HD74ALVCH162270 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HD74ALVCH162270

12-bit to 24-bit Registered Bus Exchanger with 3-state Outputs

Hitachi -> Renesas Electronics 

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

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