Datasheet > SN54LV393A_07

SN54LV393A_07

更新时间： 2024-11-25 05:04:59

品牌	Logo	应用领域
德州仪器 - TI		计数器
页数	文件大小	规格书
16页	523K
描述
DUAL 4-BIT BINARY COUNTERS

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SN54LV393A_07 数据手册

SN54ALS138A, SN54AS138, SN74ALS138A, SN74AS138

3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS

SDAS055E – APRIL 1982 – REVISED JULY 1996

SN54ALS138A, SN54AS138 . . . J PACKAGE

SN74ALS138A, SN74AS138 . . . D OR N PACKAGE

Designed Specifically for High-Speed

Memory Decoders and Data Transmission

Systems

(TOP VIEW)

Incorporate Three Enable Inputs to Simplify

Cascading and/or Data Reception

Package Options Include Plastic

Small-Outline (D) Packages, Ceramic Chip

Carriers (FK), and Standard Plastic (N) and

Ceramic (J) 300-mil DIPs

G2A

G2B

GND

description

The ′ALS138A and ′AS138 are 3-line to 8-line

decoders/demultiplexers designed for high-

performance memory-decoding or data-routing

applications requiring very short propagation

delay times. In high-performance systems, these

devices can be used to minimize the effects of

system decoding. When employed with

high-speed memories with a fast enable circuit,

thedelaytimesofthedecoderandtheenabletime

of the memory are usually less than the typical

access time of the memory. The effective system

delayintroducedbytheSchottky-clampedsystem

decoder is negligible.

SN54ALS138A, SN54AS138 . . . FK PACKAGE

(TOP VIEW)

20 19

18 Y1

G2A

G2B

9 10 11 12 13

The conditions at the binary-select (A, B, and C)

inputs and the three enable (G1, G2A, and G2B)

inputs select one of eight output lines. Two

active-low and one active-high enable inputs

NC – No internal connection

reduce the need for external gates or inverters when expanding. A 24-line decoder can 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 SN54ALS138A and SN54AS138 are characterized for operation over the full military temperature range

of –55°C to 125°C. The SN74ALS138A and SN74AS138 are 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 7...16

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与SN54LV393A_07相关器件

型号	品牌	获取价格	描述	数据表
SN54LV4040A	TI	获取价格	12-BIT ASYNCHRONOUS BINARY COUNTERS
SN54LV4040A_07	TI	获取价格	12-BIT ASYNCHRONOUS BINARY COUNTERS
SN54LV4040AFK	TI	获取价格	12-BIT ASYNCHRONOUS BINARY COUNTERS
SN54LV4040AJ	TI	获取价格	12-BIT ASYNCHRONOUS BINARY COUNTERS
SN54LV4040AW	TI	获取价格	12-BIT ASYNCHRONOUS BINARY COUNTERS
SN54LV404A	TI	获取价格	12-BIT ASYNCHRONOUS BIARY COUNTERS
SN54LV4051A	TI	获取价格	8-CHANNEL ANALOG MULTIPLEXERS/DEMULTIPLEXERS
SN54LV4051A_07	TI	获取价格	8-CHANNEL ANALOG MULTIPLESERS/DEMULTIPLEXERS
SN54LV4051A_08	TI	获取价格	8-CHANNEL ANALOG MULTIPLEXERS/DEMULTIPLEXERS
SN54LV4051A_10	TI	获取价格	8-CHANNEL ANALOG MULTIPLEXERS/DEMULTIPLEXERS

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