Datasheet > SN54AL520

SN54AL520

更新时间： 2024-11-03 21:53:23

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
9页	140K
描述
8-BIT IDENTITY COMPARATORS

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数据手册

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SN54AL520 数据手册

SN54ALS520, SN74ALS518, SN74ALS520, SN74ALS521

8-BIT IDENTITY COMPARATORS

SDAS224B – JUNE 1982 – REVISED NOVEMBER 1995

SN54ALS520 . . . J PACKAGE

SN74ALS518, SN74ALS520,

SN74ALS521 . . . DW OR N PACKAGE

• Compare Two 8-Bit Words

• Choice of Totem-Pole or Open-Collector

Outputs

(TOP VIEW)

• SN74ALS518 and ′ALS520 Have 20-kΩ

P = Q/P = Q

Pullup Resistors on Q Inputs

†

• Package Options Include Plastic

Small-Outline (DW) Packages, Ceramic

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

and Ceramic (J) 300-mil DIPs

INPUT

PULLUP

RESISTOR

OUTPUT FUNCTION

AND

CONFIGURATION

13 P5

12 Q4

TYPE

GND

SN74ALS518

′ALS520

Yes

P = Q open collector

P = Q totem pole

†

P = Q for SN74ALS518

P = Q for ′ALS520 and SN74ALS521

‡

SN74ALS521

‡

SN74ALS521 is identical to ′ALS688.

SN54ALS520 . . . FK PACKAGE

(TOP VIEW)

description

These identity comparators perform comparisons

on two 8-bit binary or BCD words. The

SN74ALS518 provides P = Q outputs, while the

′ALS520 and SN74ALS521 provide P = Q

outputs. The SN74ALS518 has an open-collector

output. The SN74ALS518 and ′ALS520 feature

20-kΩ pullup resistors on the Q inputs for analog

or switch data.

20 19

9 10 11 12 13

The SN54ALS520 is characterized for operation

over the full military temperature range of –55°C

to 125°C. The SN74ALS518, SN74ALS520, and

SN74ALS521 are characterized for operation

from 0°C to 70°C.

FUNCTION TABLE

INPUTS

OUTPUTS

DATA ENABLE

P = Q

P, Q

P = Q

P > Q

P < Q

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...9

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