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74HC123AP-E Datasheet, PDF (4/11 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents
HD74HC123A
Pin Arrangement
1A 1
1B 2
1CLR 3
1Q 4
2Q 5
2Cext 6
2Rext/ 7
Cext
GND 8
CLR
QQ
QQ
CLR
(Top view)
16 VCC
15 1Rext
Cext
14 1Cext
13 1Q
12 2Q
11 2CLR
10 2B
9 2A
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage range
VCC
–0.5 to 7.0
V
Input / Output voltage
Input / Output diode current
Output current
VCC, GND current
Vin, Vout
IIK, IOK
IO
ICC or IGND
–0.5 to VCC +0.5
V
±20
mA
±25
mA
±50
mA
Power dissipation
Storage temperature
PT
500
mW
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
VCC
2 to 6
Input / Output voltage
VIN, VOUT
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, Oct 11, 2005 page 2 of 8