SN54F138

更新时间： 2024-02-07 12:05:33

品牌	Logo	应用领域
德州仪器 - TI		解码器解复用器
页数	文件大小	规格书
6页	90K
描述
3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS

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数据手册
替代型号

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SN54F138 数据手册

SN54F138, SN74F138

3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS

SDFS051B – MARCH 1987 – REVISED JULY 1996

SN54F138 . . . J PACKAGE

SN74F138 . . . D OR N PACKAGE

(TOP VIEW)

Designed Specifically for High-Speed

Memory Decoders and Data Transmission

Systems

Incorporates Three Enable Inputs to

Simplify Cascading and/or Data Reception

Package Options Include Plastic

Small-Outline Packages, Ceramic Chip

Carriers, and Standard Plastic and Ceramic

300-mil DIPs

G2A

G2B

11 Y4

description

GND

The ′F138 is designed to be used in

high-performance memory-decoding or data-

routing applications requiring very short

propagation delay times. In high-performance

memory systems, these decoders can be used to

minimize the effects of system decoding. When

employed with high-speed memories utilizing a

fast enable circuit, the delay times of this decoder

and the enable time of the memory are usually

less than the typical access time of the memory.

This means that the effective system delay

introduced by the decoder is negligible.

SN54F138 . . . FK PACKAGE

(TOP VIEW)

20 19

G2A

G2B

9 10 11 12 13

The conditions at the binary-select inputs and the

three enable inputs select one of eight output

lines. Two active-low and one active-high enable

inputs reduce the need for external gates or

inverters when expanding. A 24-line decoder can

NC – No internal connection

be implemented without external inverters and a 32-line decoder requires only one inverter. An enable input can

be used as a data input for demultiplexing applications.

The SN54F138 is characterized for operation over the full military temperature range of –55°C to 125°C. The

SN74F138 is characterized for operation from 0°C to 70°C.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6

中文翻译

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SN54F138 替代型号

型号	品牌	替代类型	描述	数据表
SN74F138	TI	功能相似	3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS

与SN54F138相关器件

型号	品牌	获取价格	描述	数据表
SN54F138_15	TI	获取价格	3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
SN54F138FK	TI	获取价格	3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
SN54F138J	TI	获取价格	3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
SN54F151AFK	ROCHESTER	获取价格	Multiplexer, F/FAST Series, 1-Func, 8 Line Input, 1 Line Output, Complementary Output, TTL
SN54F151AFK	TI	获取价格	F/FAST SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, CQCC20
SN54F151AJ	ROCHESTER	获取价格	Multiplexer, F/FAST Series, 1-Func, 8 Line Input, 1 Line Output, Complementary Output, TTL
SN54F151AJ	TI	获取价格	F/FAST SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, CDIP16
SN54F151B	TI	获取价格	1-OF-8 DATA SELECTORS/MULTIPLEXERS
SN54F151B_08	TI	获取价格	1-OF-8 DATA SELECTORS/MULTIPLEXERS
SN54F151BFK	TI	获取价格	1-OF-8 DATA SELECTORS/MULTIPLEXERS

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