Datasheet > 74F399SJ

74F399SJ

更新时间： 2024-11-01 22:49:47

品牌	Logo	应用领域
美国国家半导体 - NSC		触发器逻辑集成电路光电二极管
页数	文件大小	规格书
10页	181K
描述
Quad 2-Port Register

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数据手册

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74F399SJ 数据手册

May 1995

54F/74F398 54F/74F399

Quad 2-Port Register

General Description

Features

Select inputs from two data sources

The ’F398 and ’F399 are the logical equivalents of a quad

2-input multiplexer feeding into four edge-triggered flip-

flops. A common Select input determines which of the two

4-bit words is accepted. The selected data enters the flip-

flops on the rising edge of the clock. The ’F399 is the 16-pin

version of the ’F398, with only the Q outputs of the flip-flops

available.

Fully positive edge-triggered operation

Both true and complement outputsÐ’F398

Guaranteed 4000V minimum ESD protectionÐ’F399

Package

Commercial

74F398PC

Military

Package Description

Number

N20A

J20A

20-Lead (0.300 Wide) Molded Dual-In-Line

54F398DM (Note 2)

20-Lead Ceramic Dual-In-Line

74F398SC (Note 1)

74F399PC

M20B

W20A

E20A

N20A

J20A

20-Lead (0.300 Wide) Molded Small Outline, JEDEC

54F398FM (Note 2)

54F398LM (Note 2)

20-Lead Cerpack

20-Lead Ceramic Leadless Chip Carrier, Type C

20-Lead (0.300 Wide) Molded Dual-In-Line

54F399DM (Note 2)

20-Lead Ceramic Dual-In-Line

74F399SC (Note 1)

74F399SJ (Note 1)

M20B

M20D

W20A

E20A

20-Lead (0.300 Wide) Molded Small Outline, JEDEC

20-Lead (0.300 Wide) Molded Small Outline, EIAJ

54F399FM (Note 2)

54F399LM (Note 2)

20-Lead Cerpack

20-Lead Ceramic Leadless Chip Carrier, Type C

Note 1: Devices also available in 13 reel. Use suffix

SCX and SJX.

Note 2: Military grade device with environmental and burn-in processing. Use suffix

DMQB, FMQB and LMQB.

Connection Diagrams

’F398

Pin Assignment

for LCC

Pin Assignment

for DIP, SOIC and Flatpak

TL/F/9533–5

TL/F/9533–6

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

1995 National Semiconductor Corporation

TL/F/9533

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

12 3 4 5 6 7...10

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