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Texas Instruments (TI) Electronic Components Datasheet

SN54F520 Datasheet

8-Bit Identity Comparators

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Compares Two 8-Bit Words
20-kPullup Resistors on Q Inputs
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 F520 features 20-kpullup
termination resistors on the Q inputs for analog or
switch data.
The SN54F520 is characterized for operation over
the full military temperature range of − 55°C to
125°C. The SN74F520 is characterized for
operation from 0°C to 70°C.
FUNCTION TABLE
INPUTS
P, Q OE
OUTPUT
P=Q
P=Q L
L
PQ X
H
XH
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
SN54F520, SN74F520
8ĆBIT IDENTITY COMPARATORS
ą
SDFS081A − MARCH 1987 − REVISED OCTOBER 1993
SN54F520 . . . J PACKAGE
SN74F520 . . . DW OR N PACKAGE
(TOP VIEW)
OE
P0
Q0
P1
Q1
P2
Q2
P3
Q3
GND
1
2
3
4
5
6
7
8
9
10
20 VCC
19 P = Q
18 Q7
17 P7
16 Q6
15 P6
14 Q5
13 P5
12 Q4
11 P4
SN54F520 . . . FK PACKAGE
(TOP VIEW)
P1
3 2 1 20 19
4 18
Q7
Q1 5
17 P7
P2 6
16 Q6
Q2 7
15 P6
P3 8
14 Q5
9 10 11 12 13
19
P=Q
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
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.
Copyright 1993, Texas Instruments Incorporated
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
2−1


Texas Instruments (TI) Electronic Components Datasheet

SN54F520 Datasheet

8-Bit Identity Comparators

No Preview Available !

SN54F520, SN74F520
8ĆBIT IDENTITY COMPARATORS
ą
SDFS081A − MARCH 1987 − REVISED OCTOBER 1993
logic diagram (positive logic)
17
P7
Q7 18
15
P6
Q6 16
13
P5
Q5 14
11
P4
Q4 12
8
P3
Q3 9
6
P2
Q2 7
4
P1
Q1 5
2
P0
Q0 3
OE 1
NOTE: 20-kpullup resistors are on the Q inputs.
19
P=Q
2−2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443


Part Number SN54F520
Description 8-Bit Identity Comparators
Maker Texas
Total Page 5 Pages
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