Datasheet > 54ABT377

54ABT377

更新时间： 2024-02-23 07:38:24

品牌	Logo	应用领域
美国国家半导体 - NSC		触发器时钟
页数	文件大小	规格书
8页	155K
描述
Octal D-Type Flip-Flop with Clock Enable

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技术参数
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54ABT377 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	compliant	风险等级：	5.75
Is Samacsys：	N	Base Number Matches：	1

54ABT377 数据手册

July 1998

54ABT377

Octal D-Type Flip-Flop with Clock Enable

n Eight edge-triggered D flip-flops

n Buffered common clock

n See ’ABT273 for master reset version

n See ’ABT373 for transparent latch version

n See ’ABT374 for TRI-STATE^®version

General Description

The ’ABT377 has eight edge-triggered, D-type flip-flops with

individual D inputs and Q outputs. The common buffered

Clock (CP) input loads all flip-flops simultaneously, when the

Clock Enable (CE) is LOW.

n Output sink capability of 48 mA, source capability of

24 mA

n Guaranteed latchup protection

n High impedance glitch free bus loading during entire

power up and power down cycle

The register is fully edge-triggered. The state of each D in-

put, one setup time before the LOW-to-HIGH clock transi-

tion, is transferred to the corresponding flip-flop’s Q output.

The CE input must be stable only one setup time prior to the

LOW-to-HIGH clock transition for predictable operation.

n Non-destructive hot insertion capability

n Disable time less than enable time to avoid bus

contention

Features

n Clock enable for address and data synchronization

n Standard Microcircuit Drawing (SMD) 5962-9314801

applications

Ordering Code:

Military

Package

Number

Package Description

54ABT377J-QML

J20A

20-Lead Ceramic Dual-In-Line

20-Lead Cerpack

54ABT377W-QML

54ABT377E-QML

W20A

E20A

20-Lead Ceramic Leadless Chip Carrier, Type C

Connection Diagram

Pin Assignment for LCC

Pin Assignment for

DIP and Cerpack

DS100216-11

Description

Names

DS100216-1

D₀–D₇Data Inputs

Clock Enable (Active LOW)

Clock Pulse Input

Q₀–Q₇Data Outputs

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

DS100216

www.national.com

12 3 4 5 6 7 8

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