UPD42S17405 - 16M-BIT DYNAMIC RAM
The µPD42S17405, 4217405 are 4,194,304 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 µPD42S17405 can execute CAS before RAS self refresh.
The µPD42S17405, 4217405 are packaged in 26-pin plastic TSOP (II) and 26-
UPD42S17405 Features
* EDO (Hyper page mode)
* 4,194,304 words by 4 bits organization
* Single +5.0 V ±10 % power supply
* Fast access and cycle time Power consumption Active (MAX.) 660 mW 605 mW 550 mW Part number Access time (MAX.) 50 ns 60 ns 70 ns R/W cycle time (MIN.) 84 ns 104 ns
