SN74ALVCH244PWG4

更新时间： 2024-11-09 05:29:35

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
16页	321K
描述
OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

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SN74ALVCH244PWG4 数据手册

SN74ALVCH244

OCTAL BUFFER/DRIVER

WITH 3-STATE OUTPUTS

www.ti.com

SCES112F–JULY 1997–REVISED AUGUST 2004

FEATURES

DGV, DW, NS, OR PW PACKAGE

(TOP VIEW)

•

Operates From 1.65 V to 3.6 V

Max t_pdof 2.8 ns at 3.3 V

1OE

1A1

2Y4

1A2

2Y3

1A3

2Y2

1A4

2Y1

±24-mA Output Drive at 3.3 V

2OE

1Y1

2A4

1Y2

2A3

Bus Hold on Data Inputs Eliminates the Need

for External Pullup/Pulldown Resistors

•

Latch-Up Performance Exceeds 250 mA Per

JESD 17

ESD Protection Exceeds JESD 22

– 2000-V Human-Body Model (A114-A)

– 200-V Machine Model (A115-A)

14 1Y3

13 2A2

1Y4

2A1

GND 10

DESCRIPTION/ORDERING INFORMATION

This octal buffer/line driver is designed for 1.65-V to 3.6-V V_CCoperation.

The SN74ALVCH244 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_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

SN74ALVCH244DW

TOP-SIDE MARKING

ALVCH244

VB244

Tube

SOIC - DW

SOP - NS

Tape and reel

Tube

SN74ALVCH244DWR

SN74ALVCH244NSR

SN74ALVCH244PW

-40°C to 85°C

TSSOP - PW

TVSOP - DGV

Tape and reel

SN74ALVCH244PWR

SN74ALVCH244DGVR

VB244

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

www.ti.com/sc/package.

FUNCTION TABLE

(each buffer)

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 the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...16

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与SN74ALVCH244PWG4相关器件

型号	品牌	获取价格	描述	数据表
SN74ALVCH244PWLE	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74ALVCH244PWR	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74ALVCH244PWRE4	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74ALVCH244PWRG4	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74ALVCH245	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74ALVCH245_07	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74ALVCH245DGV	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74ALVCH245DGVR	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74ALVCH245DW	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74ALVCH245DWE4	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS

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