Part Number
|
SN74F521 |
Manufacturer
|
Texas Instruments |
Description
|
8-Bit Identity Comparators |
Published
|
Dec 22, 2021 |
Detailed Description
|
• Compares Two 8-Bit Words • Package Options Include Plastic
Small-Outline Packages, Ceramic Chip Carriers, and Standard...
|
Datasheet
|
SN74F521
|
Overview
• Compares Two 8-Bit Words • Package Options Include Plastic
Small-Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs
description
These identity comparators perform comparisons on two 8-bit binary or BCD words.
They provide P = Q outputs.
The SN54F521 is characterized for operation over the full military temperature range of − 55°C to 125°C.
The SN74F521 is characterized for operation from 0°C to 70°C.
FUNCTION TABLE
INPUTS P, Q OE
OUTPUT P=Q
P=Q L
L
P≠Q X
H
X
H
H
logic symbol†
1
OE 2
P0 4
P1 6
P2 8
P3 11
P4 13
P5 15
P6 17
P7 3
Q0 5
Q1 7
Q2 9
Q3 12
Q4 14
Q5 16
Q6 18
Q7
COMP 0
P
7 1P = Q
0
Q
7
19 P=Q
† This symbol is in accordance with ANSI/I...
Similar Datasheet