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Datasheet 74ACT257 Equivalent ( PDF ) |
| N.º | Número de pieza | Descripción | Fabricantes | |
| 7 | 74ACT257 | QUAD 2 CHANNEL MULTIPLEXER 3-STATE 74ACT257
QUAD 2 CHANNEL MULTIPLEXER (3-STATE)
s s
s
s
s
s
s
s
s
HIGH SPEED: tPD =5 ns (TYP.) at VCC = 5V LOW POWER DISSIPATION: ICC = 8 µA (MAX.) at TA = 25 oC COMPATIBLE WITH TTL OUTPUTS VIH = 2V (MIN), VIL = 0.8V (MAX) 50Ω TRANSMISSION LINE DRIVING CAPABILITY SYMMETRICAL OUTPUT IMPEDANC |
 STMicroelectronics |
 |
| 6 | 74ACT257B | QUAD 2 CHANNEL MULTIPLEXER 3-STATE 74ACT257
QUAD 2 CHANNEL MULTIPLEXER (3-STATE)
s s
s
s
s
s
s
s
s
HIGH SPEED: tPD =5 ns (TYP.) at VCC = 5V LOW POWER DISSIPATION: ICC = 8 µA (MAX.) at TA = 25 oC COMPATIBLE WITH TTL OUTPUTS VIH = 2V (MIN), VIL = 0.8V (MAX) 50Ω TRANSMISSION LINE DRIVING CAPABILITY SYMMETRICAL OUTPUT IMPEDANC |
STMicroelectronics |
|
| 5 | 74ACT257M | QUAD 2 CHANNEL MULTIPLEXER 3-STATE 74ACT257
QUAD 2 CHANNEL MULTIPLEXER (3-STATE)
s s
s
s
s
s
s
s
s
HIGH SPEED: tPD =5 ns (TYP.) at VCC = 5V LOW POWER DISSIPATION: ICC = 8 µA (MAX.) at TA = 25 oC COMPATIBLE WITH TTL OUTPUTS VIH = 2V (MIN), VIL = 0.8V (MAX) 50Ω TRANSMISSION LINE DRIVING CAPABILITY SYMMETRICAL OUTPUT IMPEDANC |
STMicroelectronics |
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| 4 | 74ACT257MTC | Quad 2-Input Multiplexer with 3-STATE Outputs 74AC257 • 74ACT257 Quad 2-Input Multiplexer with 3-STATE Outputs
November 1988 Revised November 1999
74AC257 • 74ACT257 Quad 2-Input Multiplexer with 3-STATE Outputs
General Description
The AC/ACT257 is a quad 2-input multiplexer with 3STATE outputs. Four bits of data from two sources can be s |
 Fairchild Semiconductor |
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