Datasheet > VV244

VV244

更新时间： 2024-11-05 03:18:47

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
17页	574K
描述
OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

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VV244 数据手册

SN74LV244AT

OCTAL BUFFER/DRIVER

WITH 3-STATE OUTPUTS

www.ti.com

SCES572C–JUNE 2004–REVISED AUGUST 2005

FEATURES

•

Inputs Are TTL-Voltage Compatible

4.5-V to 5.5-V V_CCOperation

Typical t_pd= 5.4 ns at 5 V

•

I_offSupports Partial-Power-Down Mode

Operation

Latch-Up Performance Exceeds 250 mA Per

JESD 17

Typical V_OLP(Output Ground Bounce)

<0.8 V at V_CC= 5 V, T_A= 25°C

ESD Protection Exceeds JESD 22

– 2000-V Human-Body Model (A114-A)

– 200-V Machine Model (A115-A)

•

Typical V_OHV(Output V_OHUndershoot)

>2.3 V at V_CC= 5 V, T_A= 25°C

Supports Mixed-Mode Voltage Operation on

All Ports

– 1000-V Charged-Device Model (C101)

RGY PACKAGE

(TOP VIEW)

DB, DGV, DW, NS, OR PW PACKAGE

(TOP VIEW)

1OE

1A1

2Y4

1A2

2Y3

1A3

2Y2

1A4

2Y1

GND

2OE

1Y1

2A4

1A1

2Y4

1A2

2Y3

1A3

2Y2

1A4

2Y1

2OE

1Y1

2A4

1Y2

2A3

1Y3

2A2

1Y4

16 1Y2

15 2A3

1Y3

2A2

1Y4

2A1

DESCRIPTION/ORDERING INFORMATION

This octal buffer/driver is designed specifically to improve both the performance and density of 3-state

memory-address drivers, clock drivers, and bus-oriented receivers and transmitters.

The SN74LV244AT is organized as two 4-bit buffers/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.

ORDERING INFORMATION

T_A

PACKAGE⁽¹⁾

ORDERABLE PART NUMBER

SN74LV244ATRGYR

SN74LV244ATDW

TOP-SIDE MARKING

VV244

QFN – RGY

SOIC – DW

Reel of 1000

Tube of 25

LV244AT

Reel of 2000

Tube of 70

SN74LV244ATDWR

SN74LV244ATNSR

SN74LV244ATDBR

SN74LV244ATPW

SOP – NS

74LV244AT

LV244AT

–40°C to 85°C

SSOP – DB

TSSOP – PW

TVSOP – DGV

Reel of 2000

Reel of 250

Reel of 2000

SN74LV244ATPWR

SN74LV244ATPWT

SN74LV244ATDGVR

LV244AT

(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...17

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