Datasheet > MC74VHC244_11

MC74VHC244_11

更新时间： 2024-11-20 11:58:47

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
8页	145K
描述
Octal Bus Buffer

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中文翻译

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MC74VHC244_11 数据手册

MC74VHC244

Octal Bus Buffer

The MC74VHC244 is an advanced high speed CMOS octal bus

buffer fabricated with silicon gate CMOS technology.

The MC74VHC244 is a noninverting 3−state buffer, and has two

active−low output enables. This device is designed to be used with

3−state memory address drivers, etc.

The internal circuit is composed of three stages, including a buffer

output which provides high noise immunity and stable output. The

inputs tolerate voltages up to 7 V, allowing the interface of 5 V systems

to 3 V systems.

http://onsemi.com

MARKING DIAGRAMS

SOIC−20

DW SUFFIX

CASE 751D

• High Speed: t = 3.9 ns (Typ) at V = 5 V

VHC244

AWLYYWWG

• Low Power Dissipation: I = 4 mA (Max) at T = 25°C

• High Noise Immunity: V

= V = 28% V

NIL CC

NIH

• Power Down Protection Provided on Inputs

• Balanced Propagation Delays

VHC

244

• Designed for 2 V to 5.5 V Operating Range

TSSOP−20

DT SUFFIX

CASE 948E

• Low Noise: V

= 0.9 V (Max)

OLP

ALYWG

• Pin and Function Compatible with Other Standard Logic Families

• Latchup Performance Exceeds 300 mA

• ESD Performance: Human Body Model > 2000 V

Machine Model > 200 V

SOEIAJ−20

M SUFFIX

CASE 967

VHC244

AWLYWWG

• Chip Complexity: 136 FETs

• These Devices are Pb−Free and are RoHS Compliant

VHC244 = Specific Device Code

WL, L

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Package

YA1

YA2

YA3

YA4

WW, W

G or G

(Note: Microdot may be in either location)

PIN ASSIGNMENT

DATA

NONINVERTING

OUTPUTS

INPUTS

OEA

YB1

YB2

YB3

YB4

19 OEB

18 YA1

17 B4

16 YA2

15 B3

14 YA3

13 B2

12 YA4

11 B1

YB4

YB3

YB2

OEA

OEB

OUTPUT

YB1

ENABLES

GND 10

Figure 1. Logic Diagram

ORDERING INFORMATION

See detailed ordering and shipping information in the

Ordering Information Table on page 2 of this data sheet.

Publication Order Number:

May, 2011 − Rev. 8

MC74VHC244/D

12 3 4 5 6 7 8

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与MC74VHC244_11相关器件

型号	品牌	获取价格	描述	数据表
MC74VHC244DT	ONSEMI	获取价格	Octal Bus Buffer
MC74VHC244DT	ROCHESTER	获取价格	AHC/VHC SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, TSSOP-20
MC74VHC244DTEL	ONSEMI	获取价格	暂无描述
MC74VHC244DTG	ONSEMI	获取价格	暂无描述
MC74VHC244DTR2	ONSEMI	获取价格	Octal Bus Buffer
MC74VHC244DTR2G	ONSEMI	获取价格	Octal Non-inverting Bus Buffer, 3-State, TSSOP 20 LEAD, 2500-REEL
MC74VHC244DW	ONSEMI	获取价格	Octal Bus Buffer
MC74VHC244DWR2	ONSEMI	获取价格	Octal Bus Buffer
MC74VHC244DWR2G	ONSEMI	获取价格	Octal Non-inverting Bus Buffer, 3-State, SOIC-20 WB, 1000-REEL
MC74VHC244M	ONSEMI	获取价格	Octal Bus Buffer