74ABT544PW

更新时间： 2024-01-18 00:20:29

品牌	Logo	应用领域
恩智浦 - NXP		逻辑集成电路光电二极管
页数	文件大小	规格书
19页	116K
描述
Octal latched transceiver with dual enable; inverting; 3-state

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74ABT544PW 数据手册

74ABT544

Philips Semiconductors

Octal latched transceiver with dual enable; inverting; 3-state

Table 3:

Symbol

Pin description …continued

Description

port B, 3-state output 3

port B, 3-state output 2

port B, 3-state output 1

port B, 3-state output 0

B-to-A enable input (active LOW)

supply voltage

EBA

V_CC

7. Functional description

7.1 Function table

Table 4:

Status

Function table^[1]

Control

Input

Output

OExx

Exx

LExx

An or Bn

Disabled

Disabled + latch

Latch + display

Transparent

Hold

↑

[1] H = HIGH voltage level;

h = HIGH voltage level one set-up time prior to the LOW-to-HIGH clock transition;

L = LOW voltage level;

l = LOW voltage level one set-up time prior to the LOW-to-HIGH clock transition;

X = don’t care;

↑ = LOW-to-HIGH clock transition;

NC = no change;

Z = high-impedance OFF-state.

9397 750 14756

Product data sheet

Rev. 03 — 20 April 2005

5 of 19

1 2 3 456 7 8...19

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