Semiconductor Group

1

8M

× 32-Bit Dynamic RAM Module

HYM 328020S/GS-50/-60

•

SIMM modules with 8 388 608 words by 32-bit organization

for PC main memory applications

•

Fast access and cycle time

50 ns access time

90 ns cycle time (-50 version)

60 ns access time

110 ns cycle time (-60 version)

•

Fast page mode capability

35 ns cycle time (-50 version)

40 ns cycle time (-60 version)

•

Single + 5 V (

± 10 %) supply

•

Low power dissipation

max. 5280 mW active (-50 version)

max. 4840 mW active (-60 version)

CMOS – 88 mW standby

TTL

–176 mW standby

•

CAS-before-RAS refresh

RAS-only-refresh

Hidden-refresh

•

16 decoupling capacitors mounted on substrate

•

All inputs, outputs and clocks fully TTL compatible

•

72 pin Single in-Line Memory Module (L-SIM-72) with 25.40 mm height

•

Utilizes sixteen 4Mx4-DRAMs in SOJ packages

•

2048 refresh cycles / 32 ms

•

Optimized for use in byte-write non-parity applications

•

Tin-Lead contact pads (S- version)

•

Gold contact pads (GS -version)

1.96