Datasheet

SN74ALVCH16272
12-BIT TO 24-BIT MULTIPLEXED BUS EXCHANGER
WITH 3-STATE OUTPUTS
SCES057C – OCTOBER 1995 – REVISED FEBRUARY 1999
3–76
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
Function Tables
OUTPUT ENABLE
INPUTS
OUTPUTS
OEA OEB A 1B, 2B
H H Z Z
H LZActive
L H Active Z
L L Active Active
A-TO-B STORAGE
(OEB
= L)
INPUTS
OUTPUTS
CLKENA1 CLKENA2 CLK A 1B 2B
H H X X 1B
0
†
2B
0
†
L X ↑ LL
‡
X
L X ↑ HH
‡
X
X L ↑ LXL
X L ↑ H A
0
H
†
Output level before the indicated steady-state input
conditions were established
‡
Two CLK edges are needed to propagate data.
B-TO-A STORAGE
(OEA
= L)
INPUTS
OUTPUT
LE SEL 1B 2B
A
H X X X A
0
†
H XXX A
0
†
L HLX L
L HHX H
L LXL L
L L X H H
†
Output level before the indicated steady-state
input conditions were established
PRODUCT PREVIEW