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HD74HC688 Datasheet, PDF (3/8 Pages) Hitachi Semiconductor – 8-bit Magnitude Comparator
HD74HC688
Logic Diagram
P0
Q0
P1
Q1
P2
Q2
P3
Q3
P4
P=Q
Q4
P5
Q5
P6
Q6
P7
Q7
G
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage range
VCC
–0.5 to 7.0
V
Input / Output voltage
VIN, VOUT
–0.5 to VCC +0.5
V
Input / Output diode current
IIK, IOK
±20
mA
Output current
IOUT
±25
mA
VCC, GND current
ICC or IGND
±50
mA
Power dissipation
PT
500
mW
Storage temperature
Tstg
–65 to +150
°C
Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of
which may be realized at the same time.
Rev.2.00, Mar 30, 2006 page 3 of 7