SN54AS873A

更新时间： 2024-11-14 22:59:15

品牌	Logo	应用领域
德州仪器 - TI		锁存器输出元件
页数	文件大小	规格书
8页	123K
描述
DUAL 4-BIT D-TYPE LATCHES WITH 3-STATE OUTPUTS

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SN54AS873A 数据手册

SN54ALS873B, SN54AS873A, SN74ALS873B, SN74AS873A

DUAL 4-BIT D-TYPE LATCHES

WITH 3-STATE OUTPUTS

SDAS036D – APRIL 1982 – REVISED AUGUST 1995

SN54ALS873B, SN54AS873A . . . JT PACKAGE

SN74ALS873B, SN74AS873A . . . DW OR NT PACKAGE

(TOP VIEW)

• 3-State Buffer-Type Outputs Drive Bus

Lines Directly

• Bus-Structured Pinout

1CLR

1OE

1D1

1D2

1D3

1D4

2D1

2D2

2D3

• Package Options Include Plastic

Small-Outline (DW) Packages, Ceramic

Chip Carriers (FK), and Plastic (NT) and

Ceramic (JT) DIPs

23 1LE

22 1Q1

21 1Q2

20 1Q3

19 1Q4

18 2Q1

17 2Q2

16 2Q3

15 2Q4

14 2LE

13 2CLR

description

These dual 4-bit D-type latches feature 3-state

outputs designed specifically for bus driving.

These devices are particularly suitable for

implementing buffer registers, I/O ports,

bidirectional bus drivers, and working registers.

2D4 10

2OE 11

GND 12

The dual 4-bit latches are transparent D-type

latches. While the latch-enable (LE) input is high,

the Q outputs follow the data (D) inputs in true

form, according to the function table. When LE is

low, the outputs are latched. When the clear (CLR)

SN54ALS873B, SN54AS873A . . . FK PACKAGE

(TOP VIEW)

input goes low, the

outputs go low

independently of LE. The outputs are in the

high-impedance state when the output-enable

(OE) input is at a high logic level.

1 28 27 26

1D2

1D3

1D4

2D1

2D2

2D3

1Q2

1Q3

1Q4

2Q1

2Q2

2Q3

The SN54ALS873B and SN54AS873A are

characterized for operation over the full military

temperature range of –55°C to 125°C. The

SN74ALS873B

and

SN74AS873A

are

characterized for operation from 0°C to 70°C.

12 13 14 15 16 17 18

NC – No internal connection

FUNCTION TABLE

(each latch)

INPUTS

OUTPUT

CLR

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 8

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与SN54AS873A相关器件

型号	品牌	获取价格	描述	数据表
SN54AS873AFK	TI	获取价格	DUAL 4-BIT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN54AS873AJT	TI	获取价格	DUAL 4-BIT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN54AS873FK	TI	获取价格	IC AS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CQCC28, CERAMIC, LCC-28, Bus Driver/Transcei
SN54AS873FKR	TI	获取价格	AS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CQCC28, CERAMIC, LCC-28
SN54AS873JT	ROCHESTER	获取价格	AS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CDIP24, CERAMIC, DIP-24
SN54AS873JT	TI	获取价格	Dual 4-Bit D-type Latches With 3-State Outputs 24-CDIP -55 to 125
SN54AS873JT-00	TI	获取价格	AS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CDIP24
SN54AS874FH-00	TI	获取价格	AS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CQCC28
SN54AS874FK	ROCHESTER	获取价格	AS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CQCC28
SN54AS874JT	TI	获取价格	AS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CDIP24

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