Semiconductor Group

1

3.3V 4M

× 64-Bit EDO-DRAM Module

3.3V 4M x 72-Bit EDO-DRAM Module

168pin unbuffered DIMM Module

with serial presence detect

HYM64V4005GU-50/-60

HYM64V4045GU-50/-60

HYM72V4005GU-50/-60

HYM72V4045GU-50/-60

•

168 Pin JEDEC Standard, Unbuffered 8 Byte Dual In-Line Memory Module

for PC main memory applications

•

1 bank 4M x 64, 4M x 72 in 2k and 4k refresh organisations

•

Optimized for byte-write non-parity or ECC applications

•

Extended Data Out (EDO)

•

Performance:

•

Single +3.3 V

± 0.3 V Power Supply

•

CAS-before-RAS refresh, RAS-only-refresh

•

Decoupling capacitors mounted on substrate

•

All inputs, outputs and clocks are fully LV-TTL compatible

•

Serial presence detects (optional)

•

Utilizes 4M x 4 -DRAMs in TSOPII packages

•

2048 refresh cycles / 32 ms with 11 / 11 addressing ( Row / Column) for HYM64/72V4005GU

•

4096 refresh cycles / 64 ms with 12 / 10 addressing ( Row / Column) for HYM64/72V4045GU

•

Gold contact pads

•

Card Size: 133,35mm x 25,40 mm x 4,00 mm

•

This DRAM product module family is intended to be fully pin and architecture compatible

with the 168pin unbuffered SDRAM DIMM module family

-50

-60

tRAC

RAS Access Time

50 ns

60 ns

tCAC

CAS Access Time

13 ns

15 ns

tAA

Access Time from Address

25 ns

30 ns

tRC

Cycle Time

84 ns

104 ns

tHPC

EDO Mode Cycle Time

20 ns

25 ns

1

2.97