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![74HCT221 74HC221 74HC221N 74HC221NNBSP 74221 74HC221D 74HCT221D 74HCT221N](Maker_logo/philips_semiconductors.GIF)
NXP Semiconductors N.V. PHILIPS[Philips Semiconductors]
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Part No. |
74HCT221 74HC221 74HC221N 74HC221NNBSP 74221 74HC221D 74HCT221D 74HCT221N
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OCR Text |
...ION PIN NO. 1, 9 2, 10 3, 11 4, 12 7 8 13, 5 14, 6 15 16 SYMBOL 1A, 2A 1B, 2B 1RD, 2RD 1Q, 2Q 2REXT/CEXT GND 1Q, 2Q 1CEXT, 2CEXT 1REXT/CEXT VCC NAME AND FUNCTION trigger inputs (negative-edge triggered) trigger inputs (positive-edge trigger... |
Description |
Dual non-retriggerable monostable multivibrator with reset 双非retriggerable带复位单稳态触发器 From old datasheet system
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File Size |
250.50K /
15 Page |
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![74HCT238 74HC238 74HC238D 74HC238PW 74HC238DB 74HC238N 74HCT238D 74HCT238DB 74HCT238N 74HCT238PW](Maker_logo/philips_semiconductors.GIF)
NXP Semiconductors PHILIPS[Philips Semiconductors]
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Part No. |
74HCT238 74HC238 74HC238D 74HC238PW 74HC238DB 74HC238N 74HCT238D 74HCT238DB 74HCT238N 74HCT238PW
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OCR Text |
...O. 1, 2, 3 4, 5 6 8 15, 14, 13, 12, 11, 10, 9, 7 16 SYMBOL A0 to A2 E1, E2 E3 GND Y0 to Y7 VCC NAME AND FUNCTION address inputs enable inputs (active LOW) enable input (active HIGH) ground (0 V) outputs (active HIGH) positive supply voltage... |
Description |
74HC/HCT238; 3-to-8 line decoder/demultiplexer 3-to-8 line decoder/demultiplexer(3-8线译码器/数字多路分解
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File Size |
49.52K /
7 Page |
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it Online |
Download Datasheet
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![74HCT251 74HC251 HCT251 74HC251D 74HC251DB 74HC251N 74HC251PW 74HCT251D 74HCT251DB 74HCT251N 74HCT251PW 74HC251NB](Maker_logo/philips_semiconductors.GIF)
PHILIPS[Philips Semiconductors] NXP Semiconductors N.V.
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Part No. |
74HCT251 74HC251 HCT251 74HC251D 74HC251DB 74HC251N 74HC251PW 74HCT251D 74HCT251DB 74HCT251N 74HCT251PW 74HC251NB
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OCR Text |
...PIN NO. 4, 3, 2, 1, 15, 14, 13, 12 5 6 7 8 11, 10, 9 16 SYMBOL I0 to I7 Y Y OE GND S0, S1, S2 VCC NAME AND FUNCTION multiplexer inputs multiplexer output
74HC/HCT251
complementary multiplexer output 3-state output enable input (active... |
Description |
74HC/HCT251; 8-input multiplexer; 3-state 8-input multiplexer 3-state Zener Diode; Zener Voltage Typ, Vz:2.4V; Vz Test Current, Izt:20mA; Power Dissipation, Pd:500mW; Package/Case:DO-35; Breakdown Voltage Max:1.1V; Mounting Type:Through Hole; Terminal Type:Axial Leaded 8输入多路复用器,三 8-input multiplexer; 3-state 8输入多路复用器,三
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File Size |
53.84K /
7 Page |
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it Online |
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![74HCT253 74HC253 74HC253PW 74HC253D 74HC253DB 74HC253N 74HCT253D 74HCT253DB 74HCT253N 74HCT253PW](Maker_logo/philips_semiconductors.GIF)
NXP Semiconductors N.V. PHILIPS[Philips Semiconductors]
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Part No. |
74HCT253 74HC253 74HC253PW 74HC253D 74HC253DB 74HC253N 74HCT253D 74HCT253DB 74HCT253N 74HCT253PW
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OCR Text |
...14, 2 7, 9 8 6, 5, 4, 3 10, 11, 12, 13 16 SYMBOL 1OE, 2OE S 0, S1 1Y, 2Y GND 1I0 to 1I3 2I0 to 2I3 VCC NAME AND FUNCTION output enable inputs (active LOW) common data select inputs 3-state multiplexer outputs ground (0 V) data inputs from s... |
Description |
Dual 4-input multiplexer; 3-state 双路4输入多路复用器,三 74HC253;74HCT253; Dual 4-input multiplexer; 3-state
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File Size |
49.96K /
7 Page |
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it Online |
Download Datasheet
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Price and Availability
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