Datasheet > 逻辑 > 总线驱动器/收发器> SN74LVC244APW

SN74LVC244APW

更新时间： 2024-11-22 23:06:23

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	129K
描述
OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

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数据手册
替代型号

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SN74LVC244APW 数据手册

SN74LVC244A

OCTAL BUFFER/DRIVER

WITH 3-STATE OUTPUTS

SCAS414L – NOVEMBER 1992 – REVISED APRIL 1999

DB, DW, OR PW PACKAGE

(TOP VIEW)

EPIC (Enhanced-Performance Implanted

CMOS) Submicron Process

Typical V

<0.8 V at V

(Output Ground Bounce)

OLP

1OE

1A1

2Y4

1A2

2Y3

1A3

2Y2

1A4

2Y1

= 3.3 V, T = 25°C

2OE

1Y1

2A4

1Y2

2A3

1Y3

Typical V

(Output V

Undershoot) >2 V

OHV

at V

= 3.3 V, T = 25°C

Power Off Disables Outputs, Permitting

Live Insertion

Supports Mixed-Mode Signal Operation on

All Ports (5-V Input/Output Voltage With

13 2A2

12 1Y4

11 2A1

3.3-V V

)

GND 10

ESD Protection Exceeds 2000 V Per

MIL-STD-883, Method 3015; Exceeds 200 V

Using Machine Model (C = 200 pF, R = 0)

Latch-Up Performance Exceeds 250 mA Per

JESD 17

Package Options Include Shrink

Small-Outline (DB), Plastic Small-Outline

(DW), and Thin Shrink Small-Outline (PW)

Packages

description

Thisoctalbuffer/linedriverisoperationalat1.5-Vto3.6-VV , butdesignedspecificallyfor1.65-Vto3.6-VV

operation.

The SN74LVC244A 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.

Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators

in a mixed 3.3-V/5-V system environment.

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.

The SN74LVC244A is characterized for operation from –40°C to 85°C.

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.

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...9

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SN74LVC244APW 替代型号

型号	品牌	替代类型	描述	数据表
SN74LVC244APWRG4	TI	类似代替	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74LVC244APWR	TI	类似代替	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74LVC244ADWR	TI	类似代替	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

与SN74LVC244APW相关器件

型号	品牌	获取价格	描述	数据表
SN74LVC244APWE4	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74LVC244APWG4	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74LVC244APWLE	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74LVC244APWR	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74LVC244APWRE4	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74LVC244APWRG3	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74LVC244APWRG4	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74LVC244APWT	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74LVC244APWTE4	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74LVC244APWTG4	TI	获取价格	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

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