UPD4264405-A50
Description
The µPD4264405, 42S65405, 4265405 are 16,777,216 words by 4 bits CMOS dynamic RAMs with optional EDO. EDO is a kind of the page mode and is useful for the read operation. Besides, the µPD42S65405 can execute CAS before RAS self refresh. These are packaged in 32-pin plastic TSOP (II) and 32-pin plastic SOJ.
Features
- EDO (Hyper page mode)
- 16,777,216 words by 4 bits organization
- Single +3.3 V ± 0.3 V power supply
- Fast access and cycle time
Part number
Power consumption Active (MAX.) 360 m W
Access time (MAX.) 50 ns
R/W cycle time (MIN.) 84 ns
EDO (Hyper page mode) cycle time (MIN.) 20 ns
µPD4264405-A50 µPD42S65405-A50, 4265405-A50 µPD4264405-A60 µPD42S65405-A60, 4265405-A60
468 m W 324 m W 396 m W 60 ns 104 ns 25 ns
- The µPD42S65405 can execute CAS before RAS self refresh.
Part number Refrech cycle 4,096 cycles/128 ms Refresh RAS only refresh, Normal read/write, CAS before RAS self refresh, CAS before RAS refresh, Hidden refresh RAS only refresh, Normal...
