SN74F244

更新时间： 2024-11-04 22:53:35

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
14页	495K
描述
OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

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SN74F244 数据手册

SN54F244, SN74F244

OCTAL BUFFERS/DRIVERS

WITH 3-STATE OUTPUTS

SDFS063A – D2932, MARCH 1987 – REVISED OCTOBER 1993

SN54F244 . . . J PACKAGE

SN74F244 . . . DB, DW, OR N PACKAGE

(TOP VIEW)

• 3-State Outputs Drive Bus Lines or Buffer

Memory Address Registers

• Package Options Include Plastic

Small-Outline (SOIC) and Shrink

Small-Outline (SSOP) Packages, Ceramic

Chip Carriers, and Plastic and Ceramic

DIPs

1OE

1A1

2Y4

1A2

2Y3

1A3

2Y2

1A4

2Y1

GND

2OE

1Y1

2A4

1Y2

2A3

1Y3

description

These octal buffers and line drivers are designed

specifically to improve both the performance and

density of 3-state memory address drivers, clock

drivers, and bus-oriented receivers and

transmitters. Taken together with the ′F240 and

′F241, these devices provide the choice of

selected combinations of inverting and

noninverting outputs, symmetrical OE (active-low

output-enable) inputs, and complementary OE

and OE inputs.

13 2A2

12 1Y4

2A1

SN54F244 . . . FK PACKAGE

(TOP VIEW)

20 19

The ′F244 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.

1Y1

2A4

1Y2

2A3

1Y3

1A2

2Y3

1A3

2Y2

1A4

9 10 11 12 13

The SN74F244 is available in TI’s shrink

small-outline package (DB), which provides the

same I/O pin count and functionality of standard

small-outline packages in less than half the

printed-circuit-board area.

The SN54F244 is characterized for operation over

the full military temperature range of –55°C to

125°C. The SN74F244 is characterized for

operation from 0°C to 70°C.

FUNCTION TABLE

(each buffer)

INPUTS

OUTPUT

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.

2–1

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...14

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与SN74F244相关器件

型号	品牌	获取价格	描述	数据表
SN74F244DB	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74F244DBLE	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74F244DBR	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74F244DBRE4	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74F244DBRG4	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74F244DW	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74F244DW-00R	TI	获取价格	F/FAST SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
SN74F244DWG4	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74F244DWR	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74F244DWRG4	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS