SN54HC684_06 Datasheet, PDF (1/9 Pages) Texas Instruments – 8-BIT MAGNITUDE COMPARATORS

SN54HC684, SN74HC684
8-BIT MAGNITUDE COMPARATORS
D Wide Operating Voltage Range of 2 V to 6 V
D High-Current Outputs Drive Up To 10
LSTTL Loads
D Low Power Consumption, 80-µA Max I_CC
SN54HC684 . . . J OR W PACKAGE
SN74HC684 . . . DW OR N PACKAGE
(TOP VIEW)
SCLS340B – MARCH 1996 – REVISED MARCH 2003
D Typical t_pd = 22 ns
D ±4-mA Output Drive at 5 V
D Low Input Current of 1 µA Max
D Compare Two 8-Bit Words
SN54HC684 . . . FK PACKAGE
(TOP VIEW)
P>Q 1
P0 2
Q0 3
P1 4
Q1 5
P2 6
Q2 7
P3 8
Q3 9
GND 10
20 V_CC
19 P = Q
18 Q7
17 P7
16 Q6
15 P6
14 Q5
13 P5
12 Q4
11 P4
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
description/ordering information
These magnitude comparators perform comparisons of two 8-bit binary or BCD words. These devices provide
P = Q and P > Q outputs.
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP – N
Tube
SN74HC684N
SN74HC684N
–40°C to 85°C
SOIC – DW
Tube
Tape and reel
SN74HC684DW
SN74HC684DWR
HC684
CDIP – J
Tube
SNJ54HC684J
SNJ54HC684J
–55°C to 125°C CFP – W
Tube
SNJ54HC684W
SNJ54HC684W
LCCC – FK
Tube
SNJ54HC684FK
SNJ54HC684FK
† _{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
L
H
P>Q
H
L
P<Q
H
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.
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.
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Copyright  2003, Texas Instruments Incorporated
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