SN74HC21DR DUAL 4-INPUT POSITIVE-AND GATES common ic chips digital ic circuits
Specifications
Supply Voltage Range, VCC:
−0.5 V To 7 V
Input Clamp Current, IIK (VI < 0 Or VI > VCC):
±20 MA
Output Clamp Current, IOK (VO < 0 Or VO > VCC):
±20 MA
Continuous Output Current, IO (VO = 0 To VCC):
±25 MA
Continuous Current Through VCC Or GND:
±50 MA
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circuit board ic
,electronic chip board
Introduction
►Wide Operating Voltage Range of 2 V to 6 V
►Outputs Can Drive Up To 10 LSTTL Loads
►Low Power Consumption, 20-µA Max ICC
►Typical tpd = 11 ns ±4-mA
►Output Drive at 5 V Low
►Input Current of 1 µA Max
description/ordering information
These devices contain two independent 4-input AND gates. They perform the Boolean function Y A • B • C • D or Y A B C D in positive logic. O
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