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AVC Logic Family
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2009-03-30
王越建
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Philips Semiconductors has introduced a new low voltage logic family optimized for high
performance bus interface applications: AVC (Advanced Very low voltage CMOS). Operating
with sub 2 ns propagation delays, AVC meets the demands of new digital systems that require
low power consumption, very high bus speeds in excess of 100 MHz, and low noise. AVC is
targeted for new high performance workstations, PCs, telecommunications equipment, and data
communications equipment.
New circuit techniques have been pioneered that give AVC unique properties. Optimized for 2.5V
systems, AVC also operates at 3.3V and 1.8V to support mixed voltage systems. Dynamic
Controlled Outputs, DCO™ , allow high switching speeds while changing the output impedance to
reduce transmission line reflections. This eliminates the need for external series terminating
resistors. AVC also features a power-off disable output circuit that isolates the outputs during
power-down modes. This paper will provide designers better insight into this new family for use
in their applications.
performance bus interface applications: AVC (Advanced Very low voltage CMOS). Operating
with sub 2 ns propagation delays, AVC meets the demands of new digital systems that require
low power consumption, very high bus speeds in excess of 100 MHz, and low noise. AVC is
targeted for new high performance workstations, PCs, telecommunications equipment, and data
communications equipment.
New circuit techniques have been pioneered that give AVC unique properties. Optimized for 2.5V
systems, AVC also operates at 3.3V and 1.8V to support mixed voltage systems. Dynamic
Controlled Outputs, DCO™ , allow high switching speeds while changing the output impedance to
reduce transmission line reflections. This eliminates the need for external series terminating
resistors. AVC also features a power-off disable output circuit that isolates the outputs during
power-down modes. This paper will provide designers better insight into this new family for use
in their applications.
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