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HD74HC123A_15 Datasheet, PDF (4/11 Pages) Renesas Technology Corp – Dual Retriggerable Monostable Multivibrators (with Clear) | |||
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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
â0.5 to 7.0
V
Input / Output voltage
Input / Output diode current
Output current
VCC, GND current
Vin, Vout
IIK, IOK
IO
ICC or IGND
â0.5 to VCC +0.5
V
±20
mA
±25
mA
±50
mA
Power dissipation
Storage temperature
PT
500
mW
Tstg
â65 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
â40 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
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