Datasheet Texas Instruments CY74FCT2257ATQCT — 数据表

CY74FCT2257T
QUAD 2-INPUT MULTIPLEXER
WITH 3-STATE OUTPUTS
SCCS038B – SEPTEMBER 1994 – REVISED OCTOBER 2001 D
D
D
D
D
D
D
D
D Q OR SO PACKAGE
(TOP VIEW) Function and Pinout Compatible With FCT
and F Logic
25-Ω Output Series Resistors to Reduce
Transmission-Line Reflection Noise
TTL Output Level Versions of Equivalent
FCT Functions
Edge-Rate Control Circuitry for
Significantly Improved Noise
Characteristics
Ioff Supports Partial-Power-Down Mode
Operation …