SN54LS398

更新时间： 2024-11-14 23:03:07

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		/
页数	文件大小	规格书
6页	211K
描述
QUAD 2-PORT REGISTER

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数据手册

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SN54LS398 数据手册

SN54/74LS398

SN54/74LS399

QUAD 2-PORT REGISTER

The SN54/74LS398 and SN54/74LS399 are Quad 2-Port Registers. They

arethelogicalequivalentofaquad2-inputmultiplexerfollowedbyaquad4-bit

edge-triggered register. A Common Select input selects between two 4-bit in-

putports(datasources). Theselecteddataistransferredtotheoutputregister

on the LOW-to-HIGH transition of the Clock input. The SN54/74LS398 fea-

tures both Q and Q inputs, while the SN54/74LS399 has only Q outputs.

QUAD 2-PORT REGISTER

LOW POWER SCHOTTKY

• Select From Two Data Sources

• Fully Positive Edge-Triggered Operation

• Both True and Complemented Outputs on SN54/74LS398

• Input Clamp Diodes Limit High-Speed Termination Effects

CONNECTION DIAGRAM DIP (TOP VIEW)

J SUFFIX

CERAMIC

CASE 620-09

SN54/74LS398

N SUFFIX

PLASTIC

CASE 648-08

D SUFFIX

SOIC

CASE 751B-03

SN54/74LS399

J SUFFIX

CERAMIC

CASE 732-03

N SUFFIX

PLASTIC

CASE 738-03

PIN NAMES

LOADING (Note a)

HIGH

LOW

Common Select Input

Clock (Active HIGH Going Edge) Input

Data Inputs From Source 0

Data Inputs From Source 1

0.5 U.L.

10 U.L.

0.25 U.L.

5 (2.5) U.L.

DW SUFFIX

SOIC

CASE 751D-03

–I

0a 0d

I –I

1a 0d

Q –Q

(Note b)

10 U.L.

5 (2.5) U.L.

ORDERING INFORMATION

NOTES:

SN54LSXXXJ

Ceramic

a) 1 TTL Unit Load (U.L.) = 40 µA HIGH/1.6 mA LOW.

b) The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial

(74) Temperature Ranges.

SN74LSXXXN Plastic

SN74LSXXXDW SOIC

SN74LSXXXD SOIC

FAST AND LS TTL DATA

5-557

12 3 4 5 6

中文翻译

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与SN54LS398相关器件

型号	品牌	获取价格	描述	数据表
SN54LS398J	MOTOROLA	获取价格	QUAD 2-PORT REGISTER
SN54LS398JD	MOTOROLA	获取价格	LS SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, CDIP20, CERAMIC, DIP
SN54LS398W	MOTOROLA	获取价格	Multiplexer, 4-Func, 2 Line Input, TTL, CDFP20
SN54LS399	TI	获取价格	QUADRUPLE 2-INPUT MULTIPLEXERS WITH STORAGE
SN54LS399_07	TI	获取价格	QUADRUPLE 2-INPUT MULTIPLEXERS WITH STORAGE
SN54LS399FK	TI	获取价格	QUADRUPLE 2-INPUT MULTIPLEXERS WITH STORAGE
SN54LS399J	TI	获取价格	QUADRUPLE 2-INPUT MULTIPLEXERS WITH STORAGE
SN54LS399J	MOTOROLA	获取价格	QUAD 2-PORT REGISTER
SN54LS399JD	MOTOROLA	获取价格	D Flip-Flop, LS Series, 1-Func, Positive Edge Triggered, 4-Bit, True Output, TTL, CDIP16,
SN54LS399W	TI	获取价格	QUADRUPLE 2-INPUT MULTIPLEXERS WITH STORAGE