54AC273D

更新时间： 2024-11-17 22:45:31

品牌	Logo	应用领域
美国国家半导体 - NSC		触发器
页数	文件大小	规格书
8页	161K
描述
Octal D Flip-Flop

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数据手册

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54AC273D 数据手册

July 1998

54AC273

Octal D Flip-Flop

General Description

Features

n Ideal buffer for microprocessor or memory

n Eight edge-triggered D flip-flops

n Buffered common clock

The ’273 has eight edge-triggered D-type flip-flops with indi-

vidual D inputs and Q outputs. The common buffered Clock

(CP) and Master Reset (MR) input load and reset (clear) all

flip-flops simultaneously.

n Buffered, asynchronous master reset

n See ’377 for clock enable version

n See ’373 for transparent latch version

n See ’374 for TRI-STATE^®version

n Outputs source/sink 24 mA

n ’ACT has TTL-compatible inputs

n Standard Military Drawing (SMD)

— ’AC273: 5962-87756

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.

All outputs will be forced LOW independently of Clock or

Data inputs by a LOW voltage level on the MR input. The de-

vice is useful for applications where the true output only is re-

quired and the Clock and Master Reset are common to all

storage elements.

Logic Symbols

IEEE/IEC

DS100288-1

DS100288-2

Pin Names

Description

D₀–D₇

Data Inputs

Master Reset

Clock Pulse Input

Data Outputs

Q₀–Q₇

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

™

FACT is a trademark of National Semiconductor Corporation.

DS100288

www.national.com

PrintDate=1998/07/27 PrintTime=08:02:05 44014 ds100288 Rev. No. 1 cmserv Proof

12 3 4 5 6 7 8

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与54AC273D相关器件

型号	品牌	获取价格	描述	数据表
54AC273DM	TI	获取价格	AC SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CDIP20, CERAMIC, DIP-20
54AC273DMQB	FAIRCHILD	获取价格	D Flip-Flop, AC Series, 1-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, CDIP20,
54AC273DMQB	TI	获取价格	AC SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CDIP20, CERAMIC, DIP-20
54AC273F	NSC	获取价格	Octal D Flip-Flop
54AC273FM	ETC	获取价格	Logic IC
54AC273FMQB	FAIRCHILD	获取价格	D Flip-Flop, AC Series, 1-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, CDFP20,
54AC273FMQB	TI	获取价格	AC SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CDFP20, CERPACK-20
54AC273L	NSC	获取价格	Octal D Flip-Flop
54AC273LM	TI	获取价格	AC SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20
54AC273LMQB	FAIRCHILD	获取价格	D Flip-Flop, AC Series, 1-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, CQCC20,