HYM72V8020GS-50- Datasheet, PDF (1/12 Pages) Siemens Semiconductor Group – 8M x 72-Bit Dynamic RAM Module

8M × 72-Bit Dynamic RAM Module
(ECC - Module)
168 pin buffered DIMM Module
HYM 72V8020GS-50/-60
HYM 72V8030GS-50/-60
• 168 pin JEDEC Standard, Buffered 8 Byte Dual In-Line Memory Module
for PC main memory applications
• 1 bank 8 M x 72 organisation
• Optimized for ECC applications
• Fast Page Mode Operation
• Performance:
t_RAC
t_CAC
t_AA
t_RC
t_PC
RAS access time
CAS access time
Access time from address
Read/Write cycle time
Fast page mode cycle time
-50 -60
50 60 ns
18 20 ns
30 35 ns
90 110 ns
35 40 ns
• Single + 3.3V ± 0.3 V supply
• CAS-before-RAS refresh, RAS-only refresh
• Decoupling capacitors mounted on substrate
• All inputs, outputs and clock fully LVTTL & LVCMOS compatible
• 4 Byte interleave enabled, Dual Address inputs (A0/B0)
• Buffered inputs excepts RAS and DQ
• Parallel Presence Detects
• Utilizes nine 8M × 8 -DRAMs and BiCMOS buffers/line drivers VT244A
• Two versions: HYM 72V8030GS with SOJ-components ( 9 mm module thickness)
HYM 72V8020GS with TSOPII-components ( 4 mm module thickness)
• 4048 refresh cycles / 64 ms with 12 / 11 addressing
• Gold contact pad
• Double sided module with 25.35 mm (1000 mil) height
Semiconductor Group
1
6.96