74AC253 - Dual 4-Input Multiplexer
(Fairchild Semiconductor)
74AC253 • 74ACT253 Dual 4-Input Multiplexer with 3-STATE Outputs
November 1988 Revised October 2000
74AC253 • 74ACT253 Dual 4-Input Multiplexer with.
74AC257 - QUAD 2 CHANNEL MULTIPLEXER
(STMicroelectronics)
74AC257
QUAD 2 CHANNEL MULTIPLEXER (3-STATE)
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s
s
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s
These IC’s are posed of an independent 2 channel multiplexer with mon SELECT and E.
74AC257 - Quad 2-Input Multiplexer
(Fairchild Semiconductor)
74AC257 • 74ACT257 Quad 2-Input Multiplexer with 3-STATE Outputs
November 1988 Revised November 1999
74AC257 • 74ACT257 Quad 2-Input Multiplexer wit.
74AC20 - DUAL 4-INPUT NAND GATE
(STMicroelectronics)
74AC20
DUAL 4-INPUT NAND GATE
PRELIMINARY DATA
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s
s
s
wiring C2MOS technology. It is ideal for low power applications mantaining high speed s o.
74AC20 - Dual 4-Input NAND Gate
(Fairchild Semiconductor)
74AC20 Dual 4-Input NAND Gate
November 1988 Revised November 1999
74AC20 Dual 4-Input NAND Gate
General Description
The AC20 contains four 4-input N.
74AC240 - OCTAL BUS BUFFER
(STMicroelectronics)
74AC240
OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (INVERTED)
s s
s
s
s
s
mantaining high speed operation similar to equivalent Bipolar Schottky TTL. .