Datasheet > SN74AUC244

SN74AUC244

更新时间： 2024-11-02 03:57:23

品牌	Logo	应用领域
德州仪器 - TI		驱动器输出元件
页数	文件大小	规格书
9页	198K
描述
OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

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SN74AUC244 数据手册

SN74AUC244

OCTAL BUFFER/DRIVER

WITH 3-STATE OUTPUTS

SCES432 – MARCH 2003

RGY PACKAGE

(TOP VIEW)

Optimized for 1.8-V Operation and is 3.6-V

I/O Tolerant to Support Mixed-Mode Signal

Operation

Supports Partial-Power-Down Mode

off

Operation

1A1

2Y4

1A2

2Y3

1A3

2Y2

1A4

2Y1

2OE

1Y1

2A4

1Y2

2A3

1Y3

2A2

1Y4

Sub 1-V Operable

Max t of 1.9 ns at 1.8 V

Low Power Consumption, 20-µA Max I

±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 buffer/driver is operational at 0.8-V to 2.7-V V , but is designed specifically for 1.65-V to 1.95-V V

operation.

The SN74AUC244 is organized as two 4-bit line drivers with separate output-enable (OE) inputs. When OE is

low, the device passes data from the A inputs to the Y outputs. When OE is high, the outputs are in the

high-impedance state.

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.

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

off

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

ORDERING INFORMATION

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

†

PACKAGE

–40°C to 85°C QFN – RGY Tape and reel

SN74AUC244RGYR

MS244

†

Package drawings, standard packing quantities, thermal data, symbolization, and PCB design

guidelines are available at www.ti.com/sc/package.

FUNCTION TABLE

(each 4-bit buffer/driver)

INPUTS

OUTPUT

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 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...9

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与SN74AUC244相关器件

型号	品牌	获取价格	描述	数据表
SN74AUC244_08	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74AUC244_09	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74AUC244RGYR	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74AUC244RGYRG4	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74AUC245	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS
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

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