Datasheet

SN74ALVCH16525
18-BIT REGISTERED BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES059C – NOVEMBER 1995 – REVISED FEBRUARY 1999
3–188
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
Function Tables
A-TO-B STORAGE
(OEAB
= L)
INPUTS
OUTPUT
CLKENAB CLKAB A
B
H X X B
0
†
L ↑ LL
L ↑ H H
†
Output level before the indicated steady-state
input conditions were established
B-TO-A STORAGE
(OEBA
= L)
INPUTS
OUTPUT
CLKENBA CLK2BA CLK1BA SEL B
A
H X X X X A
0
†
L ↑ XHL L
L ↑ XHH H
L ↑↑LL L
‡
L ↑ ↑ L H H
‡
†
Output level before the indicated steady-state input conditions were
established
‡
Three CLK1BA edges and one CLK2BA edge are needed to
propagate data from B to A when SEL
is low.