UPD42S17405G3-70-7JD Datasheet 16m-bit Dynamic Ram

Manufacturer: NEC (now Renesas Electronics)

Overview: DATA SHEET µPD42S17405, 4217405 16 M-BIT DYNAMIC RAM 4 M-WORD BY 4-BIT, EDO MOS INTEGRATED.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Datasheet Details

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.

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 124 ns EDO (Hyper page mode) cycle time (MIN. ) 20 ns 25 ns 30 ns µPD42S17405-50, 4217405-50 µPD42S17405-60, 4217405-60 µPD42S17405-70, 4217405-70.
µPD42S17405 can execute CAS before RAS s.