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74HC30 pdf datasheet
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大小:166 |
2008-08-06
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MM54HC30/MM74HC30 8-Input NAND Gate
General Description
This NAND gate utilizes advanced silicon-gate CMOS technology
to achieve operating speeds similar to LS-TTL gates
with the low power consumption of standard CMOS integrated
circuits. This device has high noise immunity and the
ability to drive 10 LS-TTL loads. The 54HC/74HC logic family
is functionally as well as pin-out 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: 20 ns
Y Wide power supply range: 2±6V
Y Low quiescent current: 20 mA maximum (74HC Series)
Y Low input current: 1 mA maximum
Y Fanout of 10 LS-TTL loads
General Description
This NAND gate utilizes advanced silicon-gate CMOS technology
to achieve operating speeds similar to LS-TTL gates
with the low power consumption of standard CMOS integrated
circuits. This device has high noise immunity and the
ability to drive 10 LS-TTL loads. The 54HC/74HC logic family
is functionally as well as pin-out 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: 20 ns
Y Wide power supply range: 2±6V
Y Low quiescent current: 20 mA maximum (74HC Series)
Y Low input current: 1 mA maximum
Y Fanout of 10 LS-TTL loads
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