U630H04BD1C25 Просмотр технического описания (PDF) - Zentrum Mikroelektronik Dresden AG
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U630H04BD1C25 Datasheet PDF : 14 Pages
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Preliminary
U630H04
LOW AVERAGE ACTIVE POWER
The U630H04 has been designed to draw significantly
less power when E is LOW (chip enabled) but the
access cycle time is longer than 55 ns.
When E is HIGH the chip consumes only standby cur-
rent.
The overall average current drawn by the part depends
on the following items:
1. CMOS or TTL input levels
2. the time during which the chip is disabled (E HIGH)
3. the cycle time for accesses (E LOW)
4. the ratio of READs to WRITEs
5. the operating temperature
6. the VCC level
December 12, 1997
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