SN54ALS857

更新时间： 2024-11-03 23:06:11

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
11页	256K
描述
HEX 2-TO-1 UNIVERSAL MULTIPLEXERS WITH 3-STATE OUTPUTS

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SN54ALS857 数据手册

SN54ALS857, SN74ALS857

HEX 2-TO-1 UNIVERSAL MULTIPLEXERS

WITH 3-STATE OUTPUTS

SDAS170A – DECEMBER 1982 – REVISED JANUARY 1995

SN54ALS857 . . . JT PACKAGE

SN74ALS857 . . . DW OR NT PACKAGE

(TOP VIEW)

• Select True or Complementary Data

• Perform AND/NAND (Masking) of

A or B Operand

• Cascadable to Expand Number of

Operands

23 S1

22 6A

21 6B

20 6Y

19 5A

18 5B

17 5Y

16 4A

15 4B

14 4Y

13 COMP

• Detect Zeros on A or B Operands

• 3-State Outputs Interface Directly With

System Bus

• Package Options Include Plastic

Small-Outline (DW) Packages, Ceramic

Chip Carriers (FK), and Standard Plastic

(NT) and Ceramic (JT) 300-mil DIPs

3Y 10

OPER = 0 11

GND 12

description

The ′ALS857 are hextuple 2-line to 1-line

multiplexers with 3-state outputs. The devices can

provide either true (COMP low) or inverted

(COMP high) data at the Y outputs. In addition, the

′ALS857 perform the logical AND function (A • B)

and the clear function as well. The four modes of

operation are:

SN54ALS857 . . . FK PACKAGE

(TOP VIEW)

28 27 26

•

Select A-data inputs

Select B-data inputs

AND A inputs with B inputs

Clear

In either of the first two modes, OPER = 0 is high

if all the selected A or B inputs are low. The six Y

outputs and the OPER = 0 output are all 3-state

12 13 14 15 16 17 18

and rated at 12-mA and 24-mA I

for the

SN54ALS857 and SN74ALS857, respectively. All

outputscanbeplacedinthehigh-impedancestate

by applying a high level to the COMP, S0, and S1

inputs simultaneously.

NC – No internal connection

The SN54ALS857 is characterized for operation over the full military temperature range of –55°C to 125°C. The

SN74ALS857 is characterized for operation from 0°C to 70°C.

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...11

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SN54ALS857 替代型号

型号	品牌	替代类型	描述	数据表
SN74ALS857	TI	功能相似	HEX 2-TO-1 UNIVERSAL MULTIPLEXERS WITH 3-STATE OUTPUTS

与SN54ALS857相关器件

型号	品牌	获取价格	描述	数据表
SN54ALS857_08	TI	获取价格	HEX 2-TO-1 UNIVERSAL MULTIPLEXERS WITH 3-STATE OUTPUTS
SN54ALS857_16	TI	获取价格	HEX 2-TO-1 UNIVERSAL MULTIPLEXERS WITH 3-STATE OUTPUTS
SN54ALS857FH-00	TI	获取价格	ALS SERIES, HEX 2 LINE TO 1 LINE MULTIPLEXER, CONFIGURABLE OUTPUT, CQCC28
SN54ALS857FK	TI	获取价格	HEX 2-TO-1 UNIVERSAL MULTIPLEXERS WITH 3-STATE OUTPUTS
SN54ALS857JT	TI	获取价格	HEX 2-TO-1 UNIVERSAL MULTIPLEXERS WITH 3-STATE OUTPUTS
SN54ALS857JT-00	TI	获取价格	ALS SERIES, HEX 2 LINE TO 1 LINE MULTIPLEXER, CONFIGURABLE OUTPUT, CDIP24
SN54ALS86	TI	获取价格	QUADRUPLE 2-INPUT EXCLUSIVE-OR GATES
SN54ALS86_07	TI	获取价格	QUADRUPLE 2-INPUT EXCLUSIVE-OR GATES
SN54ALS86_08	TI	获取价格	QUADRUPLE 2-INPUT EXCLUSIVE-OR GATES
SN54ALS867FK	TI	获取价格	ALS SERIES, SYN POSITIVE EDGE TRIGGERED 8-BIT BIDIRECTIONAL BINARY COUNTER, CQCC28

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