Am9140· Am91L40
4096 x 1 Static R/W Random Access Memories
DISTINCTIVE CHARACTERISTICS
• 4k x 1 organization • Fully static data storage - no refreshing • Single +5V power supply • High-speed - access times down to 200ns max.
• Low operating power
- 578mW max.
, 9140 - 368mW max.
, 91 L40 • Interface logic levels identical to TTL • High noise immunity - 400mV worst-case • High output drive - two standard TTL loads o DC power-down mode - reduces power by 80% • Single phase, low
voltage, low capacitance clock • Static clock may be stopped in either state • Data register on-chip • Address register on-chip • Steady power drain - no large surges • Unique Memory Status signal - improves performanc...