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MM74HCT240MTC

更新时间： 2024-01-05 11:08:37

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		/
页数	文件大小	规格书
7页	97K
描述
Inverting Octal 3-STATE Buffer Octal 3-STATE Buffer

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中文翻译

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数据手册
替代型号

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MM74HCT240MTC 数据手册

February 1984

Revised July 1999

MM74HCT240 • MM74HCT244

Inverting Octal 3-STATE Buffer • Octal 3-STATE Buffer

The MM74HCT240 is an inverting buffer and the

MM74HCT244 is a non-inverting buffer. Each device has

General Description

The MM74HCT240 and MM74HCT244 3-STATE buffers

two active low enables (1G and 2G), and each enable inde-

utilize advanced silicon-gate CMOS technology and are

pendently controls 4 buffers.

general purpose high speed inverting and non-inverting

All inputs are protected from damage due to static dis-

buffers. They possess high drive current outputs which

charge by diodes to V_CCand Ground.

enable high speed operation even when driving large bus

capacitances. These circuits achieve speeds comparable

Features

to low power Schottky devices, while retaining the low

power consumption of CMOS. All three devices are TTL

input compatible and have a fanout of 15 LS-TTL equiva-

lent inputs.

■ TTL input compatible

■ Typical propagation delay: 14 ns

■ 3-STATE outputs for connection to system buses

MM74HCT devices are intended to interface between TTL

■ Low quiescent current: 80 µA

and NMOS components and standard CMOS devices.

These parts are also plug-in replacements for LS-TTL

devices and can be used to reduce power consumption in

existing designs.

■ High output drive current: 6 mA (min)

Ordering Code:

Order Number

MM74HCT240WM

MM74HCT240SJ

MM74HCT240MTC

MM74HCT240N

MM74HCT244WM

MM74HCT244SJ

MM74HCT244MTC

MM74HCT244N

Package Number

M20B

Package Description

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide

20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

M20D

MTC20

N20A

20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide

20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

M20B

M20D

MTC20

N20A

20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Connection Diagrams

Pin Assignments for DIP, SOIC, SOP and TSSOP

Top View

MM74HCT240

MM74HCT244

DS005365

www.fairchildsemi.com

12 3 4 5 6 7

中文翻译

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MM74HCT240MTC 替代型号

型号	品牌	替代类型	描述	数据表
SN74HCT240PWT	TI	功能相似	OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
CD74HCT240PW	TI	功能相似	High-Speed CMOS Logic Octal Buffer/Line Drivers, Three-State
SN74HCT240PW	TI	功能相似	OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS

与MM74HCT240MTC相关器件

型号	品牌	获取价格	描述	数据表
MM74HCT240MTCX	FAIRCHILD	获取价格	Bus Driver, HCT Series, 2-Func, 4-Bit, Inverted Output, CMOS, PDSO20, 4.40 MM, MO-153, TSS
MM74HCT240MTCX	ROCHESTER	获取价格	HCT SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20, 4.40 MM, MO-153, TSSOP-20
MM74HCT240MTCX	ONSEMI	获取价格	反相八通道3态缓冲器
MM74HCT240MTCX_NL	FAIRCHILD	获取价格	Bus Driver, HCT Series, 2-Func, 4-Bit, Inverted Output, CMOS, PDSO20, 4.40 MM, MO-153, TSS
MM74HCT240N	FAIRCHILD	获取价格	Inverting Octal 3-STATE Buffer Octal 3-STATE Buffer
MM74HCT240N	ROCHESTER	获取价格	Bus Driver, HCT Series, 2-Func, 4-Bit, Inverted Output, CMOS, PDIP20, 0.300 INCH, MS-001,
MM74HCT240N/A+	TI	获取价格	IC,BUFFER/DRIVER,DUAL,4-BIT,HCT-CMOS,DIP,20PIN,PLASTIC
MM74HCT240N/B+	TI	获取价格	IC,BUFFER/DRIVER,DUAL,4-BIT,HCT-CMOS,DIP,20PIN,PLASTIC
MM74HCT240N_NL	FAIRCHILD	获取价格	Bus Driver, HCT Series, 2-Func, 4-Bit, Inverted Output, CMOS, PDIP20, 0.300 INCH, MS-001,
MM74HCT240SJ	FAIRCHILD	获取价格	Inverting Octal 3-STATE Buffer Octal 3-STATE Buffer

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