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SN74ALVCH245

更新时间： 2024-09-15 23:09:43

品牌	Logo	应用领域
德州仪器 - TI		总线收发器输出元件
页数	文件大小	规格书
8页	114K
描述
OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS

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SN74ALVCH245 数据手册

SN74ALVCH245

OCTAL BUS TRANSCEIVER

WITH 3-STATE OUTPUTS

SCES119D – JULY 1997 – REVISED MAY 1999

DGV, DW, OR PW PACKAGE

(TOP VIEW)

EPIC (Enhanced-Performance Implanted

CMOS) Submicron Process

Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

DIR

Bus Hold on Data Inputs Eliminates the

Need for External Pullup/Pulldown

Resistors

Package Options Include Plastic

Small-Outline (DW), Thin Very

Small-Outline (DGV), and Thin Shrink

Small-Outline (PW) Packages

GND

description

This octal bus transceiver is designed for 1.65-V to 3.6-V V

operation.

The SN74ALVCH245 is designed for asynchronous communication between data buses. The device transmits

data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the

direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the buses are

effectively isolated.

To ensure the high-impedance state during power up or power down, OE should be tied to V through a pullup

resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.

The SN74ALVCH245 is characterized for operation from –40°C to 85°C.

FUNCTION TABLE

INPUTS

OPERATION

DIR

B data to A bus

A data to B bus

Isolation

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

EPIC is a trademark of Texas Instruments Incorporated.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7 8

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