HYM328020S Datasheet, PDF (1/10 Pages) Siemens Semiconductor Group – 8M x 32-Bit Dynamic RAM Module

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)
Semiconductor Group
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