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IN74HC21A Datasheet(PDF) 2 Page - Integral Corp.

Part No. IN74HC21A
Description  Dual 4-Input AND Gate
Download  5 Pages
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Maker  INTEGRAL [Integral Corp.]
Homepage  http://www.iksemi.com/
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IN74HC21A Datasheet(HTML) 2 Page - Integral Corp.

   
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IN74HC21A
2
INTEGRAL
MAXIMUM RATINGS*
Symbol
Parameter
Value
Unit
VCC
DC Supply Voltage (Referenced to GND)
-0.5 to +7.0
V
VIN
DC Input Voltage (Referenced to GND)
-1.5 to VCC +1.5
V
VOUT
DC Output Voltage (Referenced to GND)
-0.5 to VCC +0.5
V
IIN
DC Input Current, per Pin
±20
mA
IOUT
DC Output Current, per Pin
±25
mA
ICC
DC Supply Current, VCC and GND Pins
±50
mA
PD
Power Dissipation in Still Air, Plastic DIP**
SOIC Package**
750
500
mW
Tstg
Storage Temperature
-65 to +150
°C
TL
Lead Temperature, 1 mm from Case for 10 Seconds
(Plastic DIP or SOIC Package)
260
°C
*Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation should be restricted to the Recommended Operating Conditions.
**Derating - Plastic DIP: - 10 mW/
°C from 65° to 125°C
SOIC Package: : - 7 mW/
°C from 65° to 125°C
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min
Max
Unit
VCC
DC Supply Voltage (Referenced to GND)
2.0
6.0
V
VIN, VOUT
DC Input Voltage, Output Voltage (Referenced to GND)
0
VCC
V
TA
Operating Temperature, All Package Types
-55
+125
°C
tr, tf
Input Rise and Fall Time (Figure 1)
VCC =2.0 V
VCC =4.5 V
VCC =6.0 V
0
0
0
1000
500
400
ns
This device contains protection circuitry to guard against damage due to high static voltages or electric
fields. However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages
to this high-impedance circuit. For proper operation, VIN and VOUT should be constrained to the range GND
≤(V
IN or
VOUT)
≤V
CC.
Unused inputs must always be tied to an appropriate logic voltage level (e.g., either GND or VCC). Unused
outputs must be left open.


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