Datasheet > SN74HCS138

SN74HCS138

更新时间： 2024-11-18 02:48:55

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
33页	2731K
描述
SN74HCS138 3- to 8-Line Decoder/Demultiplexer with Schmitt-Trigger Inputs

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SN74HCS138 数据手册

SN74HCS138

SCLS832B – OCTOBER 2020 – REVISED MAY 2021

SN74HCS138 3- to 8-Line Decoder/Demultiplexer with Schmitt-Trigger Inputs

1 Features

3 Description

•

Wide operating voltage range: 2 V to 6 V

Schmitt-trigger inputs allow for slow or noisy input

signals

The SN74HCS138 is a three to eight decoder with

one standard output strobe (G₂) and two active low

output strobes (G and G ). When the outputs are

•

Low power consumption

– Typical I_CCof 100 nA

– Typical input leakage current of ±100 nA

±7.8-mA output drive at 6 V

Extended ambient temperature range: –40°C to

+125°C, T_A

gated by any of the strobe inputs, they are all forced

into the high state. When the outputs are not disabled

by the strobe inputs, only the selected output is low

while all others are high.

•

Device Information

PART NUMBER

SN74HCS138PW

SN74HCS138D

PACKAGE⁽¹⁾

TSSOP (16)

SOIC (16)

BODY SIZE (NOM)

5.00 mm × 4.40 mm

9.90 mm × 3.90 mm

3.50 mm × 2.50 mm

2 Applications

•

Memory device selection with shared data bus

Reduce required number of outputs for chip select

applications

SN74HCS138BQB

SN74HCS138DYY

WQFN (16)

SOT-23-THN (16) 4.20 mm × 2.00 mm

•

Route data

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Supports Slow Inputs

Low Power

Noise Rejection

Input Voltage

Waveforms

Time

Input Voltage

Time

Standard

CMOS Input

Response

Waveforms

Time

Input Voltage

Schmitt-trigger

CMOS Input

Response

Waveforms

Time

Input Voltage

Benefits of Schmitt-trigger inputs

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...33

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与SN74HCS138相关器件

型号	品牌	获取价格	描述	数据表
SN74HCS138_V01	TI	获取价格	SN74HCS138 3- to 8-Line Decoder/Demultiplexer with Schmitt-Trigger Inputs
SN74HCS138_V02	TI	获取价格	SN74HCS138 3- to 8-Line Decoder/Demultiplexer with Schmitt-Trigger Inputs
SN74HCS138BQB	TI	获取价格	SN74HCS138 3- to 8-Line Decoder/Demultiplexer with Schmitt-Trigger Inputs
SN74HCS138BQB-Q1	TI	获取价格	SN74HCS138-Q1 Automotive Qualified 3- to 8-Line Decoder/Demultiplexer with Schmitt-Trigger
SN74HCS138BQBR	TI	获取价格	SN74HCS138 3- to 8-Line Decoder/Demultiplexer with Schmitt-Trigger Inputs
SN74HCS138D	TI	获取价格	SN74HCS138 3- to 8-Line Decoder/Demultiplexer with Schmitt-Trigger Inputs
SN74HCS138D-Q1	TI	获取价格	SN74HCS138-Q1 Automotive Qualified 3- to 8-Line Decoder/Demultiplexer with Schmitt-Trigger
SN74HCS138DR	TI	获取价格	SN74HCS138 3- to 8-Line Decoder/Demultiplexer with Schmitt-Trigger Inputs
SN74HCS138DYY	TI	获取价格	SN74HCS138 3- to 8-Line Decoder/Demultiplexer with Schmitt-Trigger Inputs
SN74HCS138DYYQ1	TI	获取价格	SN74HCS138-Q1 Automotive Qualified 3- to 8-Line Decoder/Demultiplexer with Schmitt-Trigger

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