HD74ALVCH162270 Datasheet, PDF (3/14 Pages) Hitachi Semiconductor – 12-bit to 24-bit Registered Bus Exchanger with 3-state Outputs

HD74ALVCH162270
Inputs
CLKEN1B CLKEN2B CLK
SEL
1B
2B
H
X
X
H
X
X
X
H
X
L
X
X
L
X
↑
H
L
X
L
X
↑
H
H
X
X
L
↑
L
X
L
X
L
↑
L
X
H
B-to-A storage (OEA = L)
Output A
A₀ ^*1
A₀ ^*1
L
H
L
H
H : High level
L : Low level
X : Immaterial
Z : High impedance
↑ : Low to high transition
Notes: 1. Output level before the indicated steady state input conditions were established.
2. Two CLK edges are needed to propagate data.
3