54ABT373CFMQB

更新时间： 2024-01-30 01:52:32

品牌	Logo	应用领域
美国国家半导体 - NSC		锁存器
页数	文件大小	规格书
16页	331K
描述
Octal Transparent Latch with TRI-STATE Outputs

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54ABT373CFMQB 技术参数

Functional Description

The ’ABT373 contains eight D-type latches with

Truth Table

Inputs

Output

TRI-STATE output buffers. When the Latch Enable (LE) in-

put is HIGH, data on the D inputs enters the latches. In this

condition the latches are transparent, i.e., a latch output will

change state each time its D input changes. When LE is

LOW, the latches store the information that was present on

the D inputs a setup time preceding the HIGH-to-LOW tran-

sition of LE. The TRI-STATE buffers are controlled by the

Output Enable (OE) input. When OE is LOW, the buffers are

in the bi-state mode. When OE is HIGH the buffers are in

the high impedance mode but this does not interfere with

entering new data into the latches.

(no change)

HIGH Voltage Level

LOW Voltage Level

Immaterial

High Impedance State

Logic Diagram

TL/F/11547–3

Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.

123 4 5 6 7...16

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