SN74AUC245

更新时间： 2024-09-14 22:49:31

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
11页	307K
描述
OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS

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SN74AUC245 数据手册

SN74AUC245

OCTAL BUS TRANSCEIVER

WITH 3-STATE OUTPUTS

www.ti.com

SCES419A–JANUARY 2003–REVISED MARCH 2005

FEATURES

RGY PACKAGE

(TOP VIEW)

•

Optimized for 1.8-V Operation and Is 3.6-V I/O

Tolerant to Support Mixed-Mode Signal

Operation

•

I_offSupports Partial-Power-Down Mode

Operation

•

Sub-1-V Operable

Max t_pdof 1.7 ns at 1.8 V

Low Power Consumption, 20-µA Max I_CC

±8-mA Output Drive at 1.8 V

Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

•

ESD Protection Exceeds JESD 22

– 2000-V Human-Body Model (A114-A)

– 200-V Machine Model (A115-A)

– 1000-V Charged-Device Model (C101)

DESCRIPTION/ORDERING INFORMATION

This octal bus transceiver is operational at 0.8-V to 2.7-V V_CC, but is designed specifically for 1.65-V to 1.95-V

V_CCoperation.

The SN74AUC245 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_CCthrough a pullup

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

This device is fully specified for partial-power-down applications using I_off. The I_offcircuitry disables the outputs,

preventing damaging current backflow through the device when it is powered down.

ORDERING INFORMATION

T_A

PACKAGE⁽¹⁾

ORDERABLE PART NUMBER

SN74AUC245RGYR

SN74AUC245GQNR

TOP-SIDE MARKING

MS245

QFN – RGY

VFBGA – GQN

Tape and reel

–40°C to 85°C

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

www.ti.com/sc/package.

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...11

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与SN74AUC245相关器件

型号	品牌	获取价格	描述	数据表
SN74AUC245GQNR	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS
SN74AUC245RGYR	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS
SN74AUC245ZQNR	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS
SN74AUC2G00	TI	获取价格	DUAL 2-INPUT POSITIVE-NAND GATE
SN74AUC2G00_07	TI	获取价格	DUAL 2-INPUT POSITIVE-NAND GATE
SN74AUC2G00DCTR	TI	获取价格	DUAL 2-INPUT POSITIVE-NAND GATE
SN74AUC2G00DCTRE4	TI	获取价格	DUAL 2-INPUT POSITIVE-NAND GATE
SN74AUC2G00DCTRG4	TI	获取价格	DUAL 2-INPUT POSITIVE-NAND GATE
SN74AUC2G00DCUR	TI	获取价格	DUAL 2-INPUT POSITIVE-NAND GATE
SN74AUC2G00DCURE4	TI	获取价格	DUAL 2-INPUT POSITIVE-NAND GATE

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