Datasheet

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B1
CLK
CLKENBA
OEAB
OEBA
SEL
CE
C1
1D
A1
CE
C1
1D
CE
C1
1D
CE
C1
1D
1
1
1 of 18 Channels
G1
30
28
2
27
55
3 54
SN74ALVCH16524
18-BIT REGISTERED BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES080E – JULY 1996 – REVISED OCTOBER 2004
FUNCTION TABLE
B-TO-A STORAGE ( OEBA = L)
INPUTS
OUTPUT
A
CLKENBA CLK SEL B
H X X X A
0
(1)
L ↑ H L L
L ↑ H H H
L ↑ L L L
(2)
L ↑ L H H
(2)
(1) Output level before the indicated steady-state input conditions were
established
(2) Four positive CLK edges are needed to propagate data from B to A
when SEL is low.
LOGIC DIAGRAM (POSITIVE LOGIC)
2