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74ALVCH245WM

更新时间： 2024-11-08 22:56:19

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		/
页数	文件大小	规格书
7页	85K
描述
Low Voltage Bidirectional Transceiver with Bushold

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中文翻译

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数据手册
替代型号

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74ALVCH245WM 数据手册

September 2001

Revised February 2002

74ALVCH245

Low Voltage Bidirectional Transceiver with Bushold

General Description

Features

The ALVCH245 contains eight non-inverting bidirectional

buffers with 3-STATE outputs and is intended for bus ori-

ented applications. The T/R input determines the direction

of data flow. The OE input disables both the A and B Ports

by placing them in a high impedance state. The ALVCH245

data inputs include active bushold circuitry, eliminating the

need for external pull-up resistors to hold unused or float-

ing data inputs at a valid logic level.

■ 1.65V to 3.6V V_CCsupply operation

■ Bushold on data inputs eliminates the need for external

pull-up/pull-down resistors

■ t_PD

3.6 ns max for 3.0V to 3.6V V_CC

4.2 ns max for 2.3V to 2.7V V_CC

6 ns max for 1.65V to 1.95V V_CC

The 74ALVCH245 is designed for low voltage (1.65V to

3.6V) V_CCapplications.

■ Uses patented Quiet Series noise/EMI reduction

circuitry

The 74ALVCH245 is fabricated with an advanced CMOS

technology to achieve high-speed operation while main-

taining low CMOS power dissipation.

■ Latchup conforms to JEDEC JED78

■ ESD performance:

Human body model > 2000V

Machine model > 200V

Ordering Code:

Order Number Package Number

Package Description

74ALVCH245WM

74ALVCH245MTC

M20B

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

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

MTC20

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

Logic Symbol

Pin Descriptions

Pin Names

Description

T/R

Output Enable Input (Active LOW)

Transmit/Receive Input

A₀–A₇

B₀–B₇

Side A Bushold Inputs or 3-STATE Outputs

Side B Bushold Inputs or 3-STATE Outputs

Quiet Series is a trademark of Fairchild Semiconductor Corporation.

DS500648

www.fairchildsemi.com

12 3 4 5 6 7

中文翻译

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74ALVCH245WM 替代型号

型号	品牌	替代类型	描述	数据表
SN74ALVCH245PWR	TI	类似代替	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS

与74ALVCH245WM相关器件

型号	品牌	获取价格	描述	数据表
74ALVCH245WMX	FAIRCHILD	获取价格	Low Voltage Bidirectional Transceiver with Bushold
74ALVCH32244	RENESAS	获取价格	3.3V CMOS 32-Bit Buffer/Driver with 3-State Outputs and Bus-Hold
74ALVCH32244BF	IDT	获取价格	3.3V CMOS 32-BIT BUFFER/ DRIVER
74ALVCH32244BFG	IDT	获取价格	3.3V CMOS 32-BIT BUFFER/ DRIVER
74ALVCH32245	STMICROELECTRONICS	获取价格	LOW VOLTAGE CMOS 32-BIT BUS TRANSCEIVER (3-STATE) WITH 3.6V TOLERANTAT INPUTS AND OUTPUTS
74ALVCH32245	TI	获取价格	32-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS
74ALVCH32245	RENESAS	获取价格	3.3V CMOS 32-Bit Bus Transceiver with 3-State Outputs and Bus-Hold
74ALVCH32245BF	IDT	获取价格	3.3V CMOS 32-BIT BUS TRANSCEIVER
74ALVCH32245BF8	IDT	获取价格	3.3V CMOS 32-BIT BUS TRANSCEIVER
74ALVCH32245BFG	IDT	获取价格	3.3V CMOS 32-BIT BUS TRANSCEIVER

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