Datasheet > SN74ALVCH245PWE4

SN74ALVCH245PWE4

更新时间： 2024-09-16 05:29:35

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
14页	408K
描述
OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS

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SN74ALVCH245PWE4 数据手册

SN74ALVCH245

OCTAL BUS TRANSCEIVER

WITH 3-STATE OUTPUTS

www.ti.com

SCES119G–JULY 1997–REVISED SEPTEMBER 2004

FEATURES

DGV, DW, NS, OR PW PACKAGE

(TOP VIEW)

•

Operates From 1.65 V to 3.6 V

Max t_pdof 3.4 ns at 3.3 V

DIR

±24-mA Output Drive at 3.3 V

Bus Hold on Data Inputs Eliminates the Need

for External Pullup/Pulldown Resistors

•

Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

DESCRIPTION/ORDERING INFORMATION

This octal bus transceiver is designed for 1.65-V to

3.6-V V_CCoperation.

GND

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.

<br/>

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

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

Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors

with the bus-hold circuitry is not recommended.

ORDERING INFORMATION

T_A

PACKAGE⁽¹⁾

ORDERABLE PART NUMBER

SN74ALVCH245DW

TOP-SIDE MARKING

ALVCH245

Tube

SOIC - DW

SOP - NS

Tape and reel

SN74ALVCH245DWR

SN74ALVCH245NSR

SN74ALVCH245PW

SN74ALVCH245PWR

SN74ALVCH245DGVR

Tape and reel

Tube

ALVCH245

VB245

-40°C to 85°C

TSSOP - PW

TVSOP - DGV

Tape and reel

VB245

(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at

www.ti.com/sc/package.

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.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...14

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与SN74ALVCH245PWE4相关器件

型号	品牌	获取价格	描述	数据表
SN74ALVCH245PWG4	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74ALVCH245PWLE	TI	获取价格	ALVC/VCX/A SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, PLASTIC, TSSOP-20
SN74ALVCH245PWR	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74ALVCH245PWRE4	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74ALVCH245PWRG4	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74ALVCH32244	TI	获取价格	32-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74ALVCH32244GKE	TI	获取价格	32-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74ALVCH32245	TI	获取价格	32-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74ALVCH32245GKE	TI	获取价格	32-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74ALVCH32245KR	TI	获取价格	32-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS

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