Datasheet > 74ALVC245WMX

74ALVC245WMX

更新时间： 2024-09-15 23:24:07

品牌	Logo	应用领域
其他 - ETC		总线收发器
页数	文件大小	规格书
7页	68K
描述
Single 8-bit Bus Transceiver

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数据手册

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74ALVC245WMX 数据手册

September 2001

Revised September 2001

74ALVC245

Low Voltage Bidirectional Transceiver

with 3.6V Tolerant Inputs and Outputs

General Description

Features

■ 1.65V-3.6V V_CCsupply operation

The ALVC245 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.

■ 3.6V tolerant inputs and outputs

■ Power-off high impedance inputs and outputs

■ Supports Live Insertion and Withdrawal (Note 1)

■ t_PD

The 74ALVC245 is designed for low voltage (1.65V to

3.6V) V_CCapplications with I/O compatibility up to 3.6V.

3.4 ns max for 3.0V to 3.6V V_CC

3.9 ns max for 2.3V to 2.7V V_CC

6 ns max for 1.65V to 1.95V V_CC

The 74ALVC245 is fabricated with an advanced CMOS

technology to achieve high-speed operation while main-

taining low CMOS power dissipation.

■ Uses patented Quiet Series noise/EMI reduction

circuitry

■ Latchup conforms to JEDEC JED78

■ ESD performance:

Human body model > 2000V

Machine model > 200V

Note 1: To ensure the high impedance state during power up and power

down, OE_nshould be tied to V_CCthrough a pull up resistor. The minimum

value of the resistor is determined by the current sourcing capability of the

driver.

Ordering Code:

Order Number Package Number

Package Description

74ALVC245WM

74ALVC245MTC

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

Output Enable Input (Active LOW)

Transmit/Receive Input

T/R

A₀–A₇

B₀–B₇

Side A Inputs or 3-STATE Outputs

Side B Inputs or 3-STATE Outputs

Quiet Series is a trademark of Fairchild Semiconductor Corporation.

DS500647

www.fairchildsemi.com

12 3 4 5 6 7

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