SN54HC682, SN74HC682
8-BIT MAGNITUDE COMPARATORS
SCLS018D – MARCH 1984 – REVISED MARCH 2003
Wide Operating Voltage Range of 2 V to 6 V
±4-mA Output Drive at 5 V
High-Current Outputs Drive Up To 10
LSTTL Loads
Compare Two 8-Bit Words
100-kΩ Pullup Resistors Are on the
Typical t = 22 ns
Q Inputs
pd
SN54HC682 . . . J OR W PACKAGE
SN74HC682 . . . DW OR N PACKAGE
(TOP VIEW)
SN54HC682 . . . FK PACKAGE
(TOP VIEW)
P > Q
P0
V
CC
P = Q
Q7
1
2
3
4
5
6
7
8
9
20
19
18
3
2
1
20 19
18
Q0
P1
Q7
P7
Q6
P1
Q1
P2
Q2
P3
4
5
6
7
8
17 P7
16 Q6
15 P6
14 Q5
13 P5
12 Q4
11 P4
17
16
Q1
P2
15 P6
14
9 10 11 12 13
Q2
P3
Q5
Q3
GND 10
description/ordering information
These magnitude comparators perform comparisons of two 8-bit binary or BCD words. The ’HC682 devices
feature 100-kΩ pullup termination resistors on the Q inputs for analog or switch data.
ORDERING INFORMATION
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
†
PACKAGE
T
A
PDIP – N
Tube
SN74HC682N
SN74HC682N
–40°C to 85°C
–55°C to 125°C
Tube
SN74HC682DW
SN74HC682DWR
SNJ54HC682J
SNJ54HC682W
SNJ54HC682FK
SOIC – DW
HC682
Tape and reel
Tube
CDIP – J
CFP – W
LCCC – FK
SNJ54HC682J
SNJ54HC682W
SNJ54HC682FK
Tube
Tube
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
FUNCTION TABLE
DATA
INPUTS
P, Q
OUTPUTS
P = Q P > Q
P = Q
P > Q
P < Q
L
H
H
H
L
H
The P < Q function can be
generated by applying P = Q
and P > Q to a 2-input NAND
gate.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 2003, Texas Instruments Incorporated
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information 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.
1
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