74HC373 データシート PDF

部品番号 : 74HC373

詳細 : Octal D-type transparent latch; 3-state

メーカー : NXP Semiconductors.

ピン配置図 :

74HC373 datasheet

部品情報 :

The 74HC373; 74HCT373 is a high-speed Si-gate CMOS device and is pin compatible
with Low-power Schottky TTL. It is specified in compliance with JEDEC standard no. 7A.

The 74HC373; 74HCT373 is an octal D-type transparent latch featuring separate D-type
inputs for each latch and 3-state outputs for bus oriented applications. A latch enable (LE)
input and an output enable (OE) input are common to all latches.

The 74HC373; 74HCT373 consists of eight D-type transparent latches with 3-state true
outputs. When LE is HIGH, data at the Dn inputs enters the latches. In this condition the
latches are transparent, i.e. a latch output will change state each time its corresponding
D input changes.

When LE is LOW the latches store the information that was present at the D inputs a
set-up time preceding the HIGH-to-LOW transition of LE. When OEis LOW, the contents
of the 8 latches are available at the outputs. When OEis HIGH, the outputs go to the high-
impedance OFF-state. Operation of the OEinput does not affect the state of the latches.

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74HC373 pdf

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