SN74ALS251

更新时间： 2024-11-05 23:06:15

品牌	Logo	应用领域
德州仪器 - TI		复用器输出元件
页数	文件大小	规格书
6页	99K
描述
1-OF-8 DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS

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数据手册
替代型号

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SN74ALS251 数据手册

SN54ALS251, SN74ALS251

1-OF-8 DATA SELECTORS/MULTIPLEXERS

WITH 3-STATE OUTPUTS

SDAS215A – APRIL 1982 – REVISED DECEMBER 1994

SN54ALS251 . . . J PACKAGE

SN74ALS251 . . . D OR N PACKAGE

(TOP VIEW)

• 3-State Version of the ′ALS151

• 3-State Outputs Interface Directly With

System Bus

• Perform Parallel-to-Serial Conversion

GND

• Complementary Outputs Provide True and

Inverted Data

• Package Options Include Plastic

Small-Outline (D) Packages, Ceramic Chip

Carriers (FK), and Standard Plastic (N) and

Ceramic (J) 300-mil DIPs

description

SN54ALS251 . . . FK PACKAGE

(TOP VIEW)

These data selectors/multiplexers contain full

binary decoding to select one-of-eight data

sources and feature controlled complementary

3-state outputs.

The 3-state outputs can interface with and drive

data lines of bus-organized systems. With all but

one of the common outputs disabled (at the

high-impedance state), the low impedance of the

signal-enabled output drives the bus line to a high

or low logic level. Both outputs are controlled by

the output-enable (OE) input. The outputs are

disabled when OE is high.

20 19

18 D5

9 10 11 12 13

The SN54ALS251 is characterized for operation

over the full military temperature range of –55°C

to 125°C. The SN74ALS251 is characterized for

operation from 0°C to 70°C.

NC – No internal connection

FUNCTION TABLE

INPUTS

SELECT

OUTPUTS

D0, D1, . . . D7 = the level of the respective D input

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

中文翻译

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SN74ALS251 替代型号

型号	品牌	替代类型	描述	数据表
SN54ALS251	TI	功能相似	1-OF-8 DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS

与SN74ALS251相关器件

型号	品牌	获取价格	描述	数据表
SN74ALS251D	TI	获取价格	1-OF-8 DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN74ALS251D3	TI	获取价格	IC IC,LOGIC MUX,SINGLE,8-INPUT,ALS-TTL,SOP,16PIN,PLASTIC, Multiplexer/Demultiplexer
SN74ALS251DE4	TI	获取价格	ALS SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO16, GREEN, PLASTIC, SO
SN74ALS251DP3	TI	获取价格	IC IC,LOGIC MUX,SINGLE,8-INPUT,ALS-TTL,SOP,16PIN,PLASTIC, Multiplexer/Demultiplexer
SN74ALS251DR	TI	获取价格	1-of-8 Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70
SN74ALS251DRE4	TI	获取价格	ALS SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO16, GREEN, PLASTIC, SO
SN74ALS251DRG4	TI	获取价格	1-of-8 Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70
SN74ALS251FN	TI	获取价格	IC,LOGIC MUX,SINGLE,8-INPUT,ALS-TTL,LDCC,20PIN,PLASTIC
SN74ALS251FN	ROCHESTER	获取价格	IC,LOGIC MUX,SINGLE,8-INPUT,ALS-TTL,LDCC,20PIN,PLASTIC
SN74ALS251FN-00	TI	获取价格	ALS SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PQCC20

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