54FCT574DMQB

更新时间： 2024-02-03 09:44:29

品牌	Logo	应用领域
美国国家半导体 - NSC		触发器逻辑集成电路
页数	文件大小	规格书
7页	149K
描述
Octal D-Type Flip-Flop with TRI-STATE Outputs

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54FCT574DMQB 数据手册

October 1999

54FCT574

Octal D-Type Flip-Flop with TRI-STATE^®Outputs

General Description

The ’FCT574 is an octal flip-flop with a buffered common

Clock (CP) and a buffered common Output Enable (OE). The

Features

n Inputs and outputs on opposite sides of package

allowing easy interface with microprocessors

n Useful as input or output port for microprocessors

n Functionally identical to ’FCT374

information presented to the

D inputs is stored in the

flip-flops on the LOW-to-HIGH Clock (CP) transition.

The device is functionally identical to the ’FCT374 except for

the pinouts.

n TRI-STATE outputs for bus-oriented applications

n Output sink capability of 32 mA, source capability of

12 mA

n TTL input and output level compatible

n CMOS power consumption

n Standard Microcircuit Drawing (SMD) 5962-8951301

Ordering Code

Military

54FCT574DMQB

54FCT574FMQB

54FCT574LMQB

Package Number

J20A

Package Description

20-Lead Ceramic Dual-In-Line

W20A

20-Lead Cerpack

E20A

20-Lead Ceramic Leadless Chip Carrier, Type C

Connection Diagrams

Pin Descriptions

Pin Assignment for DIP and Flatpak

Names

D₀–D₇

Description

Data Inputs

Clock Pulse Input

(Active Rising Edge)

TRI-STATE Output Enable

Input (Active LOW)

TRI-STATE Outputs

O₀–O₇

DS100966-1

Pin Assignment

for LCC

DS100966-2

TRI-STATE^®is a registered trademark of National Semiconductor Corporation.

DS100966

www.national.com

12 3 4 5 6 7

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