74AC373SC datasheet(2/14 Pages) FAIRCHILD

Nome de Peças	74AC373SC

Descrição Electrónicos	Octal Transparent Latch with 3-STATE Outputs

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74AC373, 74ACT373 Rev. 1.5.0

2

Connection Diagram

Pin Description

Functional Description

The AC/ACT373 contains eight D-type latches with

3-STATE standard outputs. When the Latch Enable (LE)

input is HIGH, data on the Dn inputs enters the latches.

In this condition the latches are transparent, i.e., a latch

output will change state each time its D-type input

changes. When LE is LOW, the latches store the infor-

mation that was present on the D-type inputs a setup

time preceding the HIGH-to-LOW transition of LE. The

3-STATE standard outputs are controlled by the Output

Enable (OE) input. When OE is LOW, the standard

outputs are in the 2-state mode. When OE is HIGH, the

standard outputs are in the high impedance mode but

this does not interfere with entering new data into the

latches.

Logic Symbols

IEEE/IEC

Truth Table

H

= HIGH Voltage Level

L

= LOW Voltage Level

Z

= High Impedance

X

= Immaterial

O0 = Previous O0 before HIGH-to-LOW transition

of Latch Enable

Pin Names

Description

D0–D7

Data Inputs

LE

Latch Enable Input

OE

Output Enable Input

O0–O7

3-STATE Latch Outputs

Inputs

Outputs

LE

OE

Dn

On

XHX

Z

HL

L

HLH

H

LL

X

O0

Nº de peça semelhante - 74AC373SC

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Fairchild Semiconductor	74AC373SC	122Kb / 10P	Octal Transparent Latch with 3-STATE Outputs

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