Datasheet > MC74VHC245DWR2

MC74VHC245DWR2

更新时间： 2024-11-24 05:22:11

品牌	Logo	应用领域
安森美 - ONSEMI		总线收发器逻辑集成电路光电二极管
页数	文件大小	规格书
8页	178K
描述
Octal Bus Transceiver

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MC74VHC245DWR2 数据手册

ON Semiconductort

MC74VHC245

Octal Bus Transceiver

The MC74VHC245 is an advanced high speed CMOS octal bus

transceiver fabricated with silicon gate CMOS technology. It achieves

high speed operation similar to equivalent Bipolar Schottky TTL

while maintaining CMOS low power dissipation.

It is intended for two−way asynchronous communication between

data buses. The direction of data transmission is determined by the

level of the DIR input. The output enable pin (OE) can be used to

disable the device, so that the buses are effectively isolated.

All inputs are equipped with protection circuits against static

discharge.

DW SUFFIX

20−LEAD SOIC WIDE PACKAGE

CASE 751D−05

• High Speed: t = 4.0ns (Typ) at V = 5V

DT SUFFIX

20−LEAD TSSOP PACKAGE

CASE 948E−02

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

• High Noise Immunity: V

= V = 28% V

NIL CC

NIH

• Power Down Protection Provided on Inputs

• Balanced Propagation Delays

• Designed for 2V to 5.5V Operating Range

• Low Noise: V

= 1.2V (Max)

OLP

M SUFFIX

20−LEAD SOIC EIAJ PACKAGE

CASE 967−01

• Pin and Function Compatible with Other Standard Logic Families

• Latchup Performance Exceeds 300mA

• ESD Performance: HBM > 2000V; Machine Model > 200V

• Chip Complexity: 308 FETs or 77 Equivalent Gates

w These devices are available in Pb−free package(s). Specifications herein

apply to both standard and Pb−free devices. Please see our website at

www.onsemi.com for specific Pb−free orderable part numbers, or

contact your local ON Semiconductor sales office or representative.

ORDERING INFORMATION

MC74VHCXXXDW

MC74VHCXXXDT

MC74VHCXXXM

SOIC WIDE

TSSOP

SOIC EIAJ

APPLICATION NOTES

• Do not force a signal on an I/O pin when it is an active output,

damage may occur.

• All floating (high impedance) input or I/O pins must be fixed by

means of pull up or pull down resistors or bus terminator ICs.

• A parasitic diode is formed between the bus and V terminals.

Therefore, the VHC245 cannot be used to interface 5V to 3V systems

directly.

Publication Order Number:

March, 2006 − Rev. 5

MC74VHC245/D

12 3 4 5 6 7 8

中文翻译

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MC74VHC245DWR2 替代型号

型号	品牌	替代类型	描述	数据表
74VHC245M	ONSEMI	类似代替	带 3 态输出的八路双向收发器
SN74AHC245DWR	TI	功能相似	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74AHC245DW	TI	功能相似	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

与MC74VHC245DWR2相关器件

型号	品牌	获取价格	描述	数据表
MC74VHC245DWR2G	ONSEMI	获取价格	Octal Bus Buffer/Line Driver
MC74VHC245M	ONSEMI	获取价格	Octal Bus Transceiver
MC74VHC245MEL	ONSEMI	获取价格	AHC/VHC SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, EIAJ, PLASTIC, SOIC-20
MC74VHC245ML1	ONSEMI	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,AHC/VHC-CMOS,SOP,20PIN,PLASTIC
MC74VHC245ML2	ONSEMI	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,AHC/VHC-CMOS,SOP,20PIN,PLASTIC
MC74VHC245MR2	ONSEMI	获取价格	Octal Bus Transceiver
MC74VHC257	ONSEMI	获取价格	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHC257_14	ONSEMI	获取价格	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHC257D	ONSEMI	获取价格	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHC257DG	ONSEMI	获取价格	暂无描述

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