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74VHC123A Datasheet(PDF) 6 Page - Fairchild Semiconductor

Part No. 74VHC123A
Description  Dual Retriggerable Monostable Multivibrator
Download  9 Pages
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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74VHC123A Datasheet(HTML) 6 Page - Fairchild Semiconductor

   
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©1993 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74VHC123A Rev. 1.2
6
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended.
In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability.
The absolute maximum ratings are stress ratings only.
Recommended Operating Conditions(1)
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not
recommend exceeding them or designing to absolute maximum ratings.
Notes:
1. Unused inputs must be held HIGH or LOW. They may not float.
2. The maximum allowable values of Cx and Rx are a function of the leakage of capacitor Cx, the leakage of the device,
and leakage due to board layout and surface resistance. Susceptibility to externally induced noise signals may occur
for Rx > 1MΩ.
Symbol
Parameter
Rating
VCC
Supply Voltage
–0.5V to +7.0V
VIN
DC Input Voltage
–0.5V to +7.0V
VOUT
DC Output Voltage
–0.5V to VCC + 0.5V
IIK
Input Diode Current
–20mA
IOK
Output Diode Current
±20mA
IOUT
DC Output Current
±25mA
ICC
DC VCC / GND Current
±50mA
TSTG
Storage Temperature
–65°C to +150°C
TL
Lead Temperature (Soldering, 10 seconds)
260°C
Symbol
Parameter
Rating
VCC
Supply Voltage
2.0V to +5.5V
VIN
Input Voltage
0V to +5.5V
VOUT
Output Voltage
0V to VCC
TOPR
Operating Temperature
–40°C to +85°C
tr, tf
Input Rise and Fall Time (CLR only)
VCC = 3.3V ± 0.3V
VCC = 5.0V ± 0.5V
0ns/V
∼ 100ns/V
0ns/V
∼ 20ns/V
External Capacitor, Cx
No Limitation(2) F
External Resistor, Rx
>5kΩ(2) (V
CC = 2.0V)
>1kΩ(2) (V
CC > 3.0V)


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