DM54125

更新时间： 2024-11-23 22:54:35

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
4页	101K
描述
Quad TRI-STATE Buffers

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数据手册

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DM54125 数据手册

June 1989

54125/DM54125/DM74125

Quad TRI-STATE Buffers

General Description

This device contains four independent gates each of which

performs a non-inverting buffer function. The outputs have

the TRI-STATE feature. When enabled, the outputs exhibit

the low impedance characteristics of a standard TTL output

with additional drive capability at the high Logic level to per-

mit the driving of bus lines without external pull-up resistors.

When disabled, both the output transistors are turned off

presenting a high-impedance state to the bus line. Thus the

output will act neither as a significant load nor as a driver.

To minimize the possibility that two outputs will attempt to

take a common bus to opposite logic levels, the disable time

is shorter than the enable time of the outputs.

Features

Alternate Military/Aerospace device (54125) is avail-

able. Contact a National Semiconductor Sales Office/

Distributor for specifications.

Connection Diagram

Dual-In-Line Package

TL/F/6540–1

Order Number 54125DMQB, 54125FMQB, DM54125J, DM54125W or DM74125N

See NS Package Number J14A, N14A or W14B

Function Table

Inputs

Output

Hi-Z

High Logic Level

Low Logic Level

Either Low or High Logic Level

Hi-Z

TRI-STATE (Outputs are disabled)

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

1995 National Semiconductor Corporation

TL/F/6540

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

12 3 4

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与DM54125相关器件

型号	品牌	获取价格	描述	数据表
DM54125J	NSC	获取价格	Quad TRI-STATE Buffers
DM54125J/883B	TI	获取价格	TTL/H/L SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, CDIP14, CERAMIC, DIP-14
DM54125W	NSC	获取价格	Quad TRI-STATE Buffers
DM54125W/883	ROCHESTER	获取价格	Bus Driver, TTL/H/L Series, 4-Func, 1-Bit, True Output, TTL, CDFP14, CERAMIC, FP-14
DM54126J	NSC	获取价格	IC,BUFFER/DRIVER,SINGLE,4-BIT,STD-TTL,DIP,14PIN,CERAMIC
DM54126J/883	ROCHESTER	获取价格	Buffer
DM54126J/883B	TI	获取价格	54 SERIES, QUAD 1-INPUT NON-INVERT GATE, CDIP14, DIP-14
DM54126J/883C	NSC	获取价格	IC,BUFFER/DRIVER,SINGLE,4-BIT,STD-TTL,DIP,14PIN,CERAMIC
DM54126J/B	ROCHESTER	获取价格	Buffer
DM54126W	ROCHESTER	获取价格	Buffer