1/5/10Pcs NEC 424400-70 4M (1M x 4) Bit DRAM Dynamic RAM CMOS SMD IC 26-pin SOJ

Description

1/5/10Pcs NEC 424400-70 4M (1M x 4) Bit DRAM Dynamic RAM CMOS SMD IC 26-pin SOJ
The μPD42S4400, 424400 are 1,048,576 words by 4 bits CMOS dynamic RAMs. The fast page mode capability realize high speed access and low power consumption.  Besides, the μPD42S4400, 424400 can execute CAS before RAS self refresh.
SPECIFICATIONS
Manufacturer: NEC
Part Number: 424400-70
Power consumption Active (MAX.): 440 mW
Access time (MAX.): 70 ns
R/W cycle time (MIN.): 140 ns
Fast page mode cycle time (MIN.): 45 ns
Refresh Cycle: 1,024 cycles/16 ms
Refresh: CAS before RAS refresh, RAS only refresh, Hidden refresh
Power consumption at standby (MAX.): 5.5 mW (CMOS level input)
1,048,576 words by 4 bits organization
Fast page mode
Fast access and cycle time
Single +5.0 V ±10% power supply (4.5V to 5.5V)
Package: 26-pin plastic SOJ
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