SN74LV244

更新时间： 2024-11-04 23:03:15

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
7页	133K
描述
OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

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SN74LV244 数据手册

SN54LV244A, SN74LV244A

OCTAL BUFFERS/DRIVERS

WITH 3-STATE OUTPUTS

SCLS383B – SEPTEMBER 1997 – REVISED JUNE 1998

SN54LV244A . . . J OR W PACKAGE

SN74LV244A . . . DB, DGV, DW, NS, OR PW PACKAGE

(TOP VIEW)

EPIC (Enhanced-Performance Implanted

CMOS) Process

Typical V

< 0.8 V at V , T = 25°C

(Output Ground Bounce)

OLP

1OE

1A1

2Y4

1A2

2Y3

1A3

2Y2

1A4

2Y1

GND

Typical V

> 2 V at V , T = 25°C

(Output V

Undershoot)

2OE

1Y1

2A4

1Y2

2A3

1Y3

OHV

Latch-Up Performance Exceeds 250 mA Per

JESD 17

ESD Protection Exceeds 2000 V Per

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

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

13 2A2

12 1Y4

Package Options Include Plastic

Small-Outline (DW, NS), Shrink

2A1

Small-Outline (DB), Thin Very Small-Outline

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

Packages, Ceramic Flat (W) Packages, Chip

Carriers (FK), and DIPs (J)

SN54LV244A . . . FK PACKAGE

(TOP VIEW)

description

2 1 20 19

1Y1

2A4

1Y2

2A3

1Y3

1A2

2Y3

1A3

2Y2

1A4

These octal buffers/line drivers are designed for

2-V to 5.5-V V operation.

The ’LV244A devices are designed specifically to

improve both the performance and density of

3-state memory address drivers, clock drivers,

and bus-oriented receivers and transmitters.

9 10 11 12 13

These devices are 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.

The SN54LV244A is characterized for operation over the full military temperature range of –55°C to 125°C.

The SN74LV244A 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.

UNLESS OTHERWISE NOTED this document contains PRODUCTION

DATA information 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

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与SN74LV244相关器件

型号	品牌	获取价格	描述	数据表
SN74LV244A	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74LV244A_15	TI	获取价格	Octal Buffers and Drivers
SN74LV244ADB	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74LV244ADBLE	TI	获取价格	OCTAL BUFFERS /DRIVERS WITH 3 STATE OUTPUTS
SN74LV244ADBR	TI	获取价格	OCTAL BUFFERS /DRIVERS WITH 3 STATE OUTPUTS
SN74LV244ADBRE4	TI	获取价格	OCTAL BUFFERS /DRIVERS WITH 3 STATE OUTPUTS
SN74LV244ADBRG4	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74LV244ADGSR	TI	获取价格	具有三态输出的 8 通道、2V 至 5.5V 缓冲器 \| DGS \| 20 \| -40 t
SN74LV244ADGV	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74LV244ADGVR	TI	获取价格	OCTAL BUFFERS /DRIVERS WITH 3 STATE OUTPUTS

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