Datasheet > 74AC399LC

74AC399LC

更新时间： 2024-11-07 03:15:31

品牌	Logo	应用领域
德州仪器 - TI		输出元件
页数	文件大小	规格书
10页	187K
描述
AC SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20

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74AC399LC 数据手册

October 1993

74AC399 54ACT/74ACT399

Quad 2-Port Register

General Description

The ’AC/ACT399 is the logical equivalent of a quad 2-input

Features

reduced by 50%

multiplexer feeding into four edge-triggered flip-flops.

Select inputs from two data sources

Fully positive edge-triggered operation

Outputs source/sink 24 mA

common Select input determines which of the two 4-bit

words is accepted. The selected data enters the flip-flop on

the rising edge of the clock.

’ACT/ACT399 has TTL-compatible inputs

Logic Symbols

Connection Diagrams

Pin Assignment

for DIP, Flatpak and SOIC

TL/F/9789–1

IEEE/IEC

TL/F/9789–3

Pin Assignment

for LCC

TL/F/9789–5

TL/F/9789–2

Pin Names

Description

Common Select Input

Clock Pulse Input

–I

0a 0d

Data Inputs from Source 0

Data Inputs from Source 1

I –I

1a 1d

Q –Q

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

FACT^TMis a trademark of National Semiconductor Corporation.

1995 National Semiconductor Corporation

TL/F/9789

RRD-B30M75/Printed in U. S. A.

12 3 4 5 6 7...10

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与74AC399LC相关器件

型号	品牌	获取价格	描述	数据表
74AC399LCQR	FAIRCHILD	获取价格	D Flip-Flop, AC Series, 1-Func, Positive Edge Triggered, 4-Bit, True Output, CMOS, CQCC20,
74AC399LCX	FAIRCHILD	获取价格	D Flip-Flop, AC Series, 1-Func, Positive Edge Triggered, 4-Bit, True Output, CMOS, CQCC20,
74AC399LCXR	FAIRCHILD	获取价格	D Flip-Flop, AC Series, 1-Func, Positive Edge Triggered, 4-Bit, True Output, CMOS, CQCC20,
74AC399PC	TI	获取价格	AC SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDIP16, PLASTIC, DIP-16
74AC399PC	FAIRCHILD	获取价格	Quad 2-Port Register
74AC399PCQR	FAIRCHILD	获取价格	D Flip-Flop, AC Series, 1-Func, Positive Edge Triggered, 4-Bit, True Output, CMOS, PDIP16,
74AC399PCQR	TI	获取价格	AC SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDIP16, PLASTIC, DIP-16
74AC399SC	FAIRCHILD	获取价格	Quad 2-Port Register
74AC399SC	TI	获取价格	AC SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDSO16, SOIC-16
74AC399SCQR	TI	获取价格	AC SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDSO16, SOIC-16