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74HC02 pdf datasheet
消耗积分:10 |
格式:rar |
大小:555 |
2008-08-06
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These NOR gates utilize advanced silicon-gate CMOS technology
to achieve operating speeds similar to LS-TTL gates
with the low power consumption of standard CMOS integrated
circuits. All gates have buffered outputs, providing
high noise immunity and the ability to drive 10 LS-TTL loads.
The 54HC/74HC logic family is functionally as well as pinout
compatible with the standard 54LS/74LS logic family.
All inputs are protected from damage due to static discharge
by internal diode clamps to VCC and ground.
Features
Y Typical propagation delay: 8 ns
Y Wide power supply range: 2±6V
Y Low quiescent supply current: 20 mA maximum
(74HC Series)
Y Low input current: 1 mA maximum
Y High output current: 4 mA minimum
to achieve operating speeds similar to LS-TTL gates
with the low power consumption of standard CMOS integrated
circuits. All gates have buffered outputs, providing
high noise immunity and the ability to drive 10 LS-TTL loads.
The 54HC/74HC logic family is functionally as well as pinout
compatible with the standard 54LS/74LS logic family.
All inputs are protected from damage due to static discharge
by internal diode clamps to VCC and ground.
Features
Y Typical propagation delay: 8 ns
Y Wide power supply range: 2±6V
Y Low quiescent supply current: 20 mA maximum
(74HC Series)
Y Low input current: 1 mA maximum
Y High output current: 4 mA minimum
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