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vitesse semiconductor corporation data sheet vsc852 1.6gb/s 64x64 crosspoint switch g52245-0, rev 4.1 page 1 9/26/00 ? vitesse semiconductor corporation ? 741 calle plano ? camarillo, ca 93012 tel: (800)-vitesse ? fax: (805) 987-5896 ? email: prodinfo@vitesse.com internet: www.vitesse.com features general description the vsc852 is a monolithic 64x64 asynchronous crosspoint switch, designed to carry broadband data streams up to 1.6gb/s. typical applications include gigabit fibre channel/ethernet and hdtv. the non- blocking switch core is programmed through a serial port interface that allows random access programming of each output port. a high degree of signal integrity is maintained throughout the chip via fully differential signal paths. the crosspoint function is based on a multiplexer tree architecture. each data output is driven by a 64:1 multiplexer tree that can be programmed to one and only one of its 64 inputs. the signal path is unregistered, so no clock is required for the data inputs. the signal path is asynchronous, so there are no restrictions on the phase, frequency, or signal pattern at each input. (note: the maximum frequency for any data line is 1.6gb/s.) each output driver is a fully differential switched current driver with on-die back-terminations for maxi- mum signal integrity. data inputs are terminated on die through 50 w resistors to an external v tt supply. the serial port interface uses ttl levels and provides separate pins for data input and output. core pro- gramming can be sequential for each address or multiple program assignments can be queued and issued simul- taneously. vsc852 block diagram ? 64 input by 64 output non-blocking ? full broadcast/multicast capability ? 1.6gb/s nrz data bandwidth ? designed for hdtv, ge, and fc ? ttl-compatible control i/o ? fully differential data path, pecl-compatible ? on-chip input terminations ? single 3.3v supply, 28w maximum dissipation ? high performance 35mm, 440 bga package
vitesse semiconductor corporation datasheet vsc852 1.6gb/s 64x64 crosspoint switch page 2 g52245-0, rev 4.1 9/26/00 ? vitesse semiconductor corporation ? 741 calle plano ? camarillo, ca 93012 tel: (800)-vitesse ? fax: (805) 987-5896 ? email: prodinfo@vitesse.com internet: www.vitesse.com functional diagram functional description input/output characteristics all input data must be differential and biased to pecl levels. on-chip terminations are provided, with a nominal impedance of 50 w . all input termination resistors are tied to v term . to minimize power dissipation, the v term supply should be biased within 100mv of the input common-mode voltage (nominally 2.0v). the v term supply can be biased below the input common-mode voltage at the expense of increased on-chip power dissipation. data outputs are provided through differential current switches with on-chip back-terminations. the drive level of the output circuit is designed to handle external 50 w termination. although external termination is not required for correct functional operation, it is strongly recommended to assure proper signal levels and mini- mize reflections. programming interface the switch core is programmed through a serial interface circuit that allows sequential reads or writes to the program memory array. the program memory array is buffered to allow multiple programming instructions to be loaded simultaneously with the config pin. the program data is composed of two parts: output pin address and input pin address. the output pin address, denoted by a0 through a6, specifies which output channel is to be programmed. address bit a6 is reserved for future expansion. the input pin address, denoted by d0 through d5, specifies which input port the
vitesse semiconductor corporation data sheet vsc852 1.6gb/s 64x64 crosspoint switch g52245-0, rev 4.1 page 3 9/26/00 ? vitesse semiconductor corporation ? 741 calle plano ? camarillo, ca 93012 tel: (800)-vitesse ? fax: (805) 987-5896 ? email: prodinfo@vitesse.com internet: www.vitesse.com switch slice should connect to. the format of the program data is simple binary, where the binary value maps directly to the switch slice position and/or input port number. for example, program data 0000100/010110 would direct output channel y4 to connect to input channel a22. to program the switch core, the address and data (13 bits total) for the given output port must be serially clocked into the sdin input. the load pin must be asserted with the last serial program bit to load the pro- gram data into the on-chip program register. the program data will be held in the register until it is either repro- grammed or the chip is powered off. the last step to programming the switch core is to transfer the program data to the registers that control the state of each switch slice. the transfer is completed by asserting the con- fig pin. the config pin can be used as a strobe to allow multiple program commands to be implemented simultaneously. the config pin can also be tied high (always asserted) so the core will reprogram after every load pulse. see figure 1. to read the current programming of the switch core, the desired address to query must be clocked into the chip?s sdin port. the format of the program data is the same as for writing. because of the depth of the on-chip registers, the address bits must be followed by another 6 clk cycles so the address data is correctly positioned in the internal register. the dummy bits that are clocked in during the last 6 bits of the program data will be overwritten when read is asserted. as the last dummy bit is clocked in, the read pin must be asserted to load the on-chip program data into the shift register used for the serial interface logic. see figure 2. figure 1: write sequence timing figure 2: read sequence timing
vitesse semiconductor corporation datasheet vsc852 1.6gb/s 64x64 crosspoint switch page 4 g52245-0, rev 4.1 9/26/00 ? vitesse semiconductor corporation ? 741 calle plano ? camarillo, ca 93012 tel: (800)-vitesse ? fax: (805) 987-5896 ? email: prodinfo@vitesse.com internet: www.vitesse.com dc characteristics (all characteristics are over the specified operating conditions) table 1: power note: specified with outputs terminated with 50 w to +2.0v. table 2: program input levels (ttl) table 3: data input levels (differential pecl) table 4: data output levels (differential pecl) note: (1) v cc = v ccp = 3.3v, v ee = 0v. parameter description min typ max units conditions i cc v cc supply current ? ? 5400 ma i ccp v ccp supply current ? ? 2600 ma i term v term supply current ? ? 512 ma v in = 2.4v p t total chip power (i term = 0) ? ? -500 m a v in = 0.5v parameter description min typ max units conditions v ih input high voltage 2.0 ? 3.5 v ? v il input low voltage 0 ? 0.8 v ? i ih input high current ? ? 500 m a v in = 2.4v i il input low current ? ? -500 m a v in = 0.5v v oh output high voltage 2.4 --- --- v i oh = -2ma v ol output low voltage --- --- 0.4 v i ol = 2ma parameter description min typ max units conditions v id input differential voltage 400 ? 1000 mv single-ended measurement v icm input common-mode voltage 1.8 ? 2.3 v v term = v cc -1.3v parameter description min typ max units conditions v od output differential voltage 600 ? 1000 mv see note 1 v ocm output common-mode voltage 1.8 ? 2.3 v see note 1
vitesse semiconductor corporation data sheet vsc852 1.6gb/s 64x64 crosspoint switch g52245-0, rev 4.1 page 5 9/26/00 ? vitesse semiconductor corporation ? 741 calle plano ? camarillo, ca 93012 tel: (800)-vitesse ? fax: (805) 987-5896 ? email: prodinfo@vitesse.com internet: www.vitesse.com ac characteristics table 5: data path note: (1) tested on sample basis only. table 6: program interface note: (1) 20pf load. figure 3: ac timing diagram parameter description min typ max units f rate data rate 1.6 gb/s t skw channel-to-channel delay skew (1) - 1 - ns t r , t f high-speed input rise/fall times, 20% to 80% 250 ps t r , t f high-speed output rise/fall times, 20% to 80% - - 250 ps t jp output delay jitter, peak-peak (1) 100 ps parameter description min typ max units t per(clk) serial clock period 40 ns t pw(clk) serial clock pulse width 16 ns t su(sdin) serial data input setup time 2 ns t ho(sdin) serial data input hold time 2 ns t su(read) read pulse setup time 2 ns t ho(read) read pulse hold time 2 ns t su(load) load pulse setup time 2 ns t ho(load) load pulse hold time 2 ns t pd(sdout) serial data output propagation delay (1) 10 ns t d(config) configuration pulse delay time 3 ns t pw(config) configuration pulse width 30 ns t pd(config) configuration delay 5 ns
vitesse semiconductor corporation datasheet vsc852 1.6gb/s 64x64 crosspoint switch page 6 g52245-0, rev 4.1 9/26/00 ? vitesse semiconductor corporation ? 741 calle plano ? camarillo, ca 93012 tel: (800)-vitesse ? fax: (805) 987-5896 ? email: prodinfo@vitesse.com internet: www.vitesse.com absolute maximum ratings (1) power supply voltage (v cc ) potential to gnd ............................................................................. -0.5v to +4.0 v ttl input voltage applied .................................................................................................... -0.5v to vcc+0.5 v ecl input voltage applied ................................................................................................... -0.5v to v cc +0.5 v output current (i out ) ................................................................................................................................ .... 50ma case temperature under bias (t c ) ............................................................................................ -55 o c to + 125 o c storage temperature (t stg ) ........................................................................................................ -65 o c to + 150 o c note: (1)caution: stresses listed under ?absolute maximum ratings? may be applied to devices one at a time without causing permanent damage. functionality at or exceeding the values listed is not implied. exposure to these values for extended periods may affect device reliability. operating conditions supply voltage (v ee ) ................................................................................................................................ ......... 0v supply voltage (v cc ) ............................................................................................................................ +3.3v 5% supply voltage (v ccp ) .......................................................................................................................... +3.3v 5% termination voltage (v term ) ................................................................................................................ v cc -1.3v case temperature operating range (t) .............................................................................................. 0 o c to 85 o c esd ratings proper esd procedures should be used when handling this product. the vsc852 is rated to the following esd voltages based on the human body model: 1. all pins are rated at or above 1000v.
vitesse semiconductor corporation data sheet vsc852 1.6gb/s 64x64 crosspoint switch g52245-0, rev 4.1 page 7 9/26/00 ? vitesse semiconductor corporation ? 741 calle plano ? camarillo, ca 93012 tel: (800)-vitesse ? fax: (805) 987-5896 ? email: prodinfo@vitesse.com internet: www.vitesse.com package pin descriptions figure 4: functional pinout floorplan
vitesse semiconductor corporation datasheet vsc852 1.6gb/s 64x64 crosspoint switch page 8 g52245-0, rev 4.1 9/26/00 ? vitesse semiconductor corporation ? 741 calle plano ? camarillo, ca 93012 tel: (800)-vitesse ? fax: (805) 987-5896 ? email: prodinfo@vitesse.com internet: www.vitesse.com figure 5: pinout diagram 0 4 10 14 vcoml 6 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 8 12 16 20 18 22 24 28 26 30 32 36 34 38 40 44 48 42 46 50 54 56 60 52 58 a 62 b c d e f g h j k l m n p r t u v w y aa ab ac ad ae af ag 3 1 5 7 9 13 17 21 11 15 19 23 25 29 33 37 27 31 35 39 43 41 45 49 51 55 57 61 53 59 63 47 1 5 9 13 17 21 25 29 33 37 3 7 11 15 19 23 27 31 35 39 43 47 41 45 49 53 57 61 51 55 59 63 0 2 4 6 10 14 18 8 12 16 22 26 30 20 24 28 32 34 36 38 40 42 44 46 48 50 54 58 62 52 56 60 vcc vee vterm signal no-connect config load read sclk sdin sdout inputs [an, ann] outputs [yn, ynn] inputs [an, ann] outputs [yn, ynn] ball grid index vcomr 2 bottom view
vitesse semiconductor corporation data sheet vsc852 1.6gb/s 64x64 crosspoint switch g52245-0, rev 4.1 page 9 9/26/00 ? vitesse semiconductor corporation ? 741 calle plano ? camarillo, ca 93012 tel: (800)-vitesse ? fax: (805) 987-5896 ? email: prodinfo@vitesse.com internet: www.vitesse.com table 7: pin identifications signal name pin function level high-speed data inputs a0, na0 b24, a24 data input pecl a1, na1 af24, ag24 data input pecl a2, na2 e23, d23 data input pecl a3, na3 ac23, ad23 data input pecl a4, na4 b23, a23 data input pecl a5, na5 af23, ag23 data input pecl a6, na6 e22, d22 data input pecl a7, na7 ac22, ad22 data input pecl a8, na8 e21, d21 data input pecl a9, na9 ac21, ad21 data input pecl a10, na10 b21, a21 data input pecl a11, na11 af21, ag21 data input pecl a12, na12 e20, d20 data input pecl a13, na13 ac20, ad20 data input pecl a14, na14 b20, a20 data input pecl a15, na15 af20, ag20 data input pecl a16, na16 e19, d19 data input pecl a17, na17 ac19, ad19 data input pecl a18, na18 b19, a19 data input pecl a19, na19 af19, ag19 data input pecl a20, na20 e18, d18 data input pecl a21, na21 ac18, ad18 data input pecl a22, na22 b18, a18 data input pecl a23, na23 af18, ag18 data input pecl a24, na24 b17, a17 data input pecl a25, na25 af17, ag17 data input pecl a26, na26 e16, d16 data input pecl a27, na27 ac16, ad16 data input pecl a28, na28 b16, a16 data input pecl a29, na29 af16, ag16 data input pecl a30, na30 e15, d15 data input pecl a31, na31 ac15, ad15 data input pecl a32, na32 d13, e13 data input pecl a33, na33 ad13, ac13 data input pecl a34, na34 a12, b12 data input pecl a35, na35 ag12, af12 data input pecl
vitesse semiconductor corporation datasheet vsc852 1.6gb/s 64x64 crosspoint switch page 10 g52245-0, rev 4.1 9/26/00 ? vitesse semiconductor corporation ? 741 calle plano ? camarillo, ca 93012 tel: (800)-vitesse ? fax: (805) 987-5896 ? email: prodinfo@vitesse.com internet: www.vitesse.com a36, na36 d12, e12 data input pecl a37, na37 ad12, ac12 data input pecl a38, na38 a11, b11 data input pecl a39, na39 ag11, af11 data input pecl a40, na40 a10, b10 data input pecl a41, na41 ag10, af10 data input pecl a42, na42 d10, e10 data input pecl a43, na43 ad10, ac10 data input pecl a44, na44 a9, b9 data input pecl a45, na45 ag9, af9 data input pecl a46, na46 d9, e9 data input pecl a47, na47 ad9, ac9 data input pecl a48, na48 a8, b8 data input pecl a49, na49 ag8, af8 data input pecl a50, na50 d8, e8 data input pecl a51, na51 ad8, ac8 data input pecl a52, na52 a7, b7 data input pecl a53, na53 ag7, af7 data input pecl a54, na54 d7, e7 data input pecl a55, na55 ad7, ac7 data input pecl a56, na56 d6, e6 data input pecl a57, na57 ad6, ac6 data input pecl a58, na58 a5, b5 data input pecl a59, na59 ag5, af5 data input pecl a60, na60 d5, e5 data input pecl a61, na61 ad5, ac5 data input pecl a62, na62 a4, b4 data input pecl a63, na63 ag4, af4 data input pecl high-speed data outputs y0, yn0 f4, f5 data output pecl y1, yn1 f24, f23 data output pecl y2, yn2 f2, f1 data output pecl y3, yn3 f26, f27 data output pecl y4, yn4 g4, g5 data output pecl y5, yn5 g24, g23 data output pecl y6, yn6 g2, g1 data output pecl y7, yn7 g26, g27 data output pecl y8, yn8 h4, h5 data output pecl y9, yn9 h24, h23 data output pecl signal name pin function level
vitesse semiconductor corporation data sheet vsc852 1.6gb/s 64x64 crosspoint switch g52245-0, rev 4.1 page 11 9/26/00 ? vitesse semiconductor corporation ? 741 calle plano ? camarillo, ca 93012 tel: (800)-vitesse ? fax: (805) 987-5896 ? email: prodinfo@vitesse.com internet: www.vitesse.com y10, yn10 h2, h1 data output pecl y11, yn11 h26, h27 data output pecl y12, yn12 j4, j5 data output pecl y13, yn13 j24, j23 data output pecl y14, yn14 j2, j1 data output pecl y15, yn15 j26, j27 data output pecl y16, yn16 k4, k5 data output pecl y17, yn17 k24, k23 data output pecl y18, yn18 k2, k1 data output pecl y19, yn19 k26, k27 data output pecl y20, yn20 l4, l5 data output pecl y21, yn21 l24, l23 data output pecl y22, yn22 l2, l1 data output pecl y23, yn23 l26, l27 data output pecl y24, yn24 m4, m5 data output pecl y25, yn25 m24, m23 data output pecl y26, yn26 m2, m1 data output pecl y27, yn27 m26, m27 data output pecl y28, yn28 n4, n5 data output pecl y29, yn29 n24, n23 data output pecl y30, yn30 n2, n1 data output pecl y31, yn31 n26, n27 data output pecl y32, yn32 p4, p5 data output pecl y33, yn33 p24, p23 data output pecl y34, yn34 r1, r2 data output pecl y35, yn35 r27, r26 data output pecl y36, yn36 r4, r5 data output pecl y37, yn37 r24, r23 data output pecl y38, yn38 t1, t2 data output pecl y39, yn39 t27, t26 data output pecl y40, yn40 t4, t5 data output pecl y41, yn41 t24, t23 data output pecl y42, yn42 u1, u2 data output pecl y43, yn43 u27, u26 data output pecl y44, yn44 u4, u5 data output pecl y45, yn45 u24, u23 data output pecl y46, yn46 v1, v2 data output pecl y47, yn47 v27, v26 data output pecl signal name pin function level
vitesse semiconductor corporation datasheet vsc852 1.6gb/s 64x64 crosspoint switch page 12 g52245-0, rev 4.1 9/26/00 ? vitesse semiconductor corporation ? 741 calle plano ? camarillo, ca 93012 tel: (800)-vitesse ? fax: (805) 987-5896 ? email: prodinfo@vitesse.com internet: www.vitesse.com y48, yn48 v4, v5 data output pecl y49, yn49 v24, v23 data output pecl y50, yn50 w1, w2 data output pecl y51, yn51 w27, w26 data output pecl y52, yn52 w4, w5 data output pecl y53, yn53 w24, w23 data output pecl y54, yn54 y1, y2 data output pecl y55, yn55 y27, y26 data output pecl y56, yn56 y4, y5 data output pecl y57, yn57 y24, y23 data output pecl y58, yn58 aa1, aa2 data output pecl y59, yn59 aa27, aa26 data output pecl y60, yn60 aa4, aa5 data output pecl y61, yn61 aa24, aa23 data output pecl y62, yn62 ab1, ab2 data output pecl y63, yn63 ab27, ab26 data output pecl serial programming port sdin ag13 serial program data input ttl sclk ag14 serial programming clock ttl load ag15 serial input load strobe ttl config af14 switch configuration strobe ttl read af15 programming read/write control ttl sdout af13 serial data ouput ttl power supplies vcc a1, a2, a25, a26, a27, a3, ac1, ac2, ac24, ac26, ac27, ac4, ad1, ad2, ad24, ad25, ad26, ad27, ad3, ad4, ae1, ae11, ae14, ae17, ae2, ae24, ae25, ae26, ae27, ae3, ae4, af1, af2, af25, af26, af27, af3, ag1, ag2, ag25, ag26, ag27, ag3, b1, b2, b25, b26, b27, b3, c1, c11, c14, c17, c2, c24, c25, c26, c27, c3, c4, d1, d2, d24, d25, d26, d27, d3, d4, e1, e2, e24, e26, e27, e4 power +3.3v signal name pin function level
vitesse semiconductor corporation data sheet vsc852 1.6gb/s 64x64 crosspoint switch g52245-0, rev 4.1 page 13 9/26/00 ? vitesse semiconductor corporation ? 741 calle plano ? camarillo, ca 93012 tel: (800)-vitesse ? fax: (805) 987-5896 ? email: prodinfo@vitesse.com internet: www.vitesse.com vee ac14, ad14, ae10, ae12, ae13, ae15, ae16, ae18, ae19, ae20, ae21, ae22, ae23, ae5, ae6, ae7, ae8, ae9, c10, c12, c13, c15, c16, c18, c19, c20, c21, c22, c23, c5, c6, c7, c8, c9, d14, e14, p1, p2, p26, p27 power gnd veep0 f3 power for y0, yn0, y2, yn2 gnd veep1 f25 power for y1, yn1, y3, yn3 gnd veep2 g3 power for y4, yn4, y6, yn6 gnd veep3 g25 power for y5, yn5, y7, yn7 gnd veep4 h3 power for y8, yn8, y10, yn10 gnd veep5 h25 power for y9, yn9, y11, yn11 gnd veep6 j3 power for y12, yn12, y14, yn14 gnd veep7 j25 power for y13, yn13, y15, yn15 gnd veep8 k3 power for y16, yn16, y18, yn18 gnd veep9 k25 power for y17, yn17, y19, yn19 gnd veep10 l3 power for y20, yn20, y22, yn22 gnd veep11 l25 power for y21, yn21, y23, yn23 gnd veep12 m3 power for y24, yn24, y26, yn26 gnd veep13 m25 power for y25, yn25, y27, yn27 gnd veep14 n3 power for y28, yn28, y30, yn30 gnd veep15 n25 power for y29, yn29, y31, yn31 gnd veep16 p3 power for y32, yn32, y34, yn34 gnd veep17 p25 power for y33, yn33, y35, yn35 gnd veep18 r3 power for y36, yn36, y38, yn38 gnd veep19 r25 power for y37, yn37, y39, yn39 gnd veep20 t3 power for y40, yn40, y42, yn42 gnd veep21 t25 power for y41, yn41, y43, yn43 gnd veep22 u3 power for y44, yn44, y46, yn46 gnd veep23 u25 power for y45, yn45, y47, yn47 gnd veep24 v3 power for y48, yn48, y50, yn50 gnd veep25 v25 power for y49, yn49, y51, yn51 gnd veep26 w3 power for y52, yn52, y54, yn54 gnd veep27 w25 power for y53, yn53, y55, yn55 gnd veep28 y3 power for y56, yn56, y58, yn58 gnd veep29 y25 power for y57, yn57, y59, yn59 gnd veep30 aa3 power for y60, yn60, y62, yn62 gnd signal name pin function level
vitesse semiconductor corporation datasheet vsc852 1.6gb/s 64x64 crosspoint switch page 14 g52245-0, rev 4.1 9/26/00 ? vitesse semiconductor corporation ? 741 calle plano ? camarillo, ca 93012 tel: (800)-vitesse ? fax: (805) 987-5896 ? email: prodinfo@vitesse.com internet: www.vitesse.com note: (1) no connect (nc) pins must be left unconnected. connecting this pin to either the positive or negative power supply rails may cause improper operation or failure of the device or in extreme cases, cause permanent damage to the device. veep31 aa25 power for y61, yn61, y63, yn63 gnd vterm0 ac17, ad17, af22, ag22 termination supply for a0 - an28 +2.0v vterm1 a22, b22, d17, e17 termination supply for a1 - an31 +2.0v vterm2 ac11, ad11, af6, ag6 termination supply for a34 - na62 +2.0v vterm3 a6, b6, d11, e11 termination supply for a33 - na63 +2.0v misc vcoml e25 bias level for y1 - yn63 analog vcomr e3 bias level for y0 - yn63 analog nc1 ab4 ? no connect (1) nc2 ab5 ? no connect (1) signal name pin function level
vitesse semiconductor corporation data sheet vsc852 1.6gb/s 64x64 crosspoint switch g52245-0, rev 4.1 page 15 9/26/00 ? vitesse semiconductor corporation ? 741 calle plano ? camarillo, ca 93012 tel: (800)-vitesse ? fax: (805) 987-5896 ? email: prodinfo@vitesse.com internet: www.vitesse.com package information 35mm 440 bga package drawing dimensional references ref. min. nom. max. a a1 d d1 e e1 m b c aaa e 1.95 0.60 0.65 0.70 34.80 35.00 35.20 33.02 (bsc.) 34.80 35.00 35.20 33.02 (bsc.) 27 0.65 0.75 0.85 1.05 1.15 1.25 0.15 1.27 typ. n 440 ccc 0.15 p 0.25 8 1.80 1.65 0.25 j notes: 1. all dimensions are in millimeters. 2. "e" represents the basic solder ball grid pitch. 3. "m" represents the basic solder ball matrix size, and symbol "n" is the maximum allowable number of 4. "b" is measured at the maximum solder ball diameter parallel to primary datum -c- . dimension "aaa" is measured parallel to primary datum -c- . 6. primary datum -c- and seating plane are defined by the spherical crowns of the solder balls. 7. package surface shall be nickel plated. 8. after surface mount assembly, solder ball will have 0.15mm(typ.) collapse in "a" dimension. 5. balls after depopulating. 10. bilateral tolerance zone is applied to each side of package body 13. cavity depth c1 various with die thickness. 9. substrate material base is copper. 12. encapsulant size may vary with die size. 11. 45 deg. 0.5mm chamfer corner and white dot for pin 1 identification -a- 0.10 -b- top view 11 d e (4 plcs) corner 45 degree 0.5mm chamfer 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 a b c d e f g h j k l m n p r t u v w y aa ab ac ad 10 bottom view ae af 26 27 ag e1 d1 e e c a1 aaa c -c- 5 6 / / ccc c p a j 4 b 00.30 s c a s b s 00.10 s c
vitesse semiconductor corporation datasheet vsc852 1.6gb/s 64x64 crosspoint switch page 16 g52245-0, rev 4.1 9/26/00 ? vitesse semiconductor corporation ? 741 calle plano ? camarillo, ca 93012 tel: (800)-vitesse ? fax: (805) 987-5896 ? email: prodinfo@vitesse.com internet: www.vitesse.com ordering information the order number for this product is formed by a combination of the device number, and package type. notice vitesse semiconductor corporation reserves the right to make changes in its products specifications or other information at any time without prior notice. therefore the reader is cautioned to confirm that this data sheet is current prior to placing ord ers. the company assumes no responsibility for any circuitry described other than circuitry entirely embodied in a vitesse product. warning vitesse semiconductor corporation?s products are not intended for use in life support appliances, devices or systems. use of a vitesse product in such applications without written consent is prohibited. vsc852 tp device number vsc852: package style tp: 440 bga package 1.6ghz 64x64 crosspoint switch

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