Datasheet > 74LCX2245

74LCX2245

更新时间： 2024-09-24 22:40:23

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
2页	70K
描述
Low-Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs

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74LCX2245 数据手册

ADVANCE INFORMATION

November 1996

74LCX2245

Low-Voltage Bidirectional Transceiver

with 5V Tolerant Inputs and Outputs

General Description

The LCX2245 contains eight non-inverting bidirectional buff-

Features

5V tolerant inputs and outputs

ers with TRI-STATE outputs and is intended for bus orient-

10 mA I

max

CCQ

ed applications. The device is designed for low voltage

Power down high impedance inputs and outputs

25X-series resistor on outputs

(3.3V) V applications with capability of interfacing to a 5V

signal environment. The T/R input determines the direction

of data flow through the device. The OE input disables both

the A and B ports by placing them in a high impedance

state. The 25X-series resistor helps reducing output over-

shoot and undershoot.

Supports live insertion/withdrawal

2.0V–3.6V V supply operation

12 mA output drive

Implements patented Quiet Series^TMnoise/EMI

reduction circuitry

The LCX2245 is fabricated with an advanced CMOS tech-

nology to achieve high speed operation while maintaining

CMOS low power dissipation.

Functionally compatible with the 74 series 245

Latch-up performance exceeds 500 mA

ESD performance:

200V

Human body model

2000V

Machine model

Logic Symbols

Connection Diagram

Pin Assignment

for SOIC, SSOP and TSSOP

IEEE/IEC

TL/F/12573–1

TL/F/12573–3

TL/F/12573–2

Pin Names

Description

T/R

Output Enable Input

Transmit/Receive Input

A –A

B –B

Side A Inputs or TRI-STATE Outputs

Side B Inputs or TRI-STATE Outputs

TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.

Quiet Series^TMis a trademark of National Semiconductor Corporation.

1996 National Semiconductor Corporation

TL/F/12573

RRD-B30M17/Printed in U. S. A.

http://www.national.com

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