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HD74HC679 Datasheet, PDF (3/7 Pages) Hitachi Semiconductor – 12-bit Address Comparator
HD74HC679
Logic Diagram
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
Y
A11
A12
P0
P1
P2
P3
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.
Recommended Operating Conditions
Item
Symbol
Ratings
Supply voltage
Input / Output voltage
VCC
VIN, VOUT
2 to 6
0 to VCC
Operating temperature
Ta
–40 to 85
Input rise / fall time*1
0 to 1000
tr, tf
0 to 500
0 to 400
Note: 1. This item guarantees maximum limit when one input switches.
Waveform: Refer to test circuit of switching characteristics.
Unit
V
V
°C
ns
Conditions
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
Rev.2.00 Mar 30, 2006 page 3 of 6