MM74HCT573J

更新时间： 2024-01-28 22:49:02

品牌	Logo	应用领域
美国国家半导体 - NSC		触发器锁存器
页数	文件大小	规格书
6页	130K
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数据手册

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MM74HCT573J 数据手册

PRELIMINARY

February 1990

MM54HCT573/MM74HCT573

TRI-STATE Octal D-Type Latch

MM54HCT574/MM74HCT574

TRI-STATE Octal D-Type Flip-Flop

General Description

The MM54HCT573/MM74HCT573 octal D-type latches and

MM54HCT574/MM74HCT574 Octal D-type flip flops ad-

vanced silicon-gate CMOS technology, which provides the

inherent benefits of low power consumption and wide power

supply range, but are LS-TTL input and output characteristic

& pin-out compatible. The TRI-STATE outputs are capable

of driving 15 LS-TTL loads. All inputs are protected from

positive going transitions of the CLOCK (CK) input. When a

high logic level is applied to the OUTPUT CONTROL (OC)

input, all outputs go to a high impedance state, regardless

of what signals are present at the other inputs and the state

of the storage elements.

MM54HCT/MM74HCT devices are intended to interface be-

tween TTL and NMOS components and standard CMOS

devices. These parts are also plug in replacements for LS-

TTL devices and can be used to reduce power consumption

in existing designs.

damage due to static discharge by internal diodes to V

and ground.

When the MM54HCT573/MM74HCT573 LATCH ENABLE

input is high, the Q outputs will follow the D inputs. When

the LATCH ENABLE goes low, data at the D inputs will be

retained at the outputs until LATCH ENABLE returns high

again. When a high logic level is applied to the OUTPUT

CONTROL input, all outputs go to a high impedance state,

regardless of what signals are present at the other inputs

and the state of the storage elements.

Features

TTL input characteristic compatible

Typical propagation delay: 18 ns

Low input current: 1 mA maximum

Low quiescent current: 80 mA maximum

Compatible with bus-oriented systems

The MM54HCT574/MM74HCT574 are positive edge trig-

gered flip-flops. Data at the D inputs, meeting the setup and

hold time requirements, are transferred to the Q outputs on

Output drive capability: 15 LS-TTL loads

Connection Diagram

Dual-In-Line Package

TL/F/10627–1

TL/F/10627–2

Top View

Order Number MM54HCT573* or MM74HCT573*

Top View

Order Number MM54HCT574* or MM74HCT574*

*Please look into Section 8, Appendix D for availability of various package types.

TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.

1995 National Semiconductor Corporation

TL/F/10627

RRD-B30M105/Printed in U. S. A.

12 3 4 5 6

中文翻译

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与MM74HCT573J相关器件

型号	品牌	获取价格	描述	数据表
MM74HCT573J/A+	NSC	获取价格	IC,LATCH,SINGLE,8-BIT,HCT-CMOS,DIP,20PIN,PLASTIC
MM74HCT573MTC	FAIRCHILD	获取价格	Octal D-Type Latch 3-STATE Octal D-Type Flip-Flop
MM74HCT573MTC	ONSEMI	获取价格	八路 D 型锁存
MM74HCT573MTCX	FAIRCHILD	获取价格	Bus Driver, HCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, 4.40 MM, MO-153AC, TSSOP
MM74HCT573MTCX	ROCHESTER	获取价格	HCT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, 4.40 MM, MO-153AC, TSSOP-20
MM74HCT573MTCX	ONSEMI	获取价格	八路 D 型锁存
MM74HCT573N	NSC	获取价格	TRI-STATE? Octal D-Type Latch / TRI-STATE Octal D-Type Flip-Flop
MM74HCT573N	ROCHESTER	获取价格	HCT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDIP20, 0.300 INCH, MS-001, PLASTIC, DIP-20
MM74HCT573N	FAIRCHILD	获取价格	Octal D-Type Latch 3-STATE Octal D-Type Flip-Flop
MM74HCT573N/A+	NSC	获取价格	IC,LATCH,SINGLE,8-BIT,HCT-CMOS,DIP,20PIN,PLASTIC

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