HYM328020S

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 1 1.96 HYM 328020S/GS-50/-60 8M × 32-Bit The HYM 328020S/GS-50/-60 is a 32 MByte DRAM module organized as 8 388 608 words by 32-bit in a 72-pin single-in-line package comprising sixteen HYB 5117400BJ 4M × 4 DRAMs in 300 mil wide SOJ-packages mounted together with sixteen 0.2 µF ceramic decoupling capacitors on a PC board. The HYM 328020S/GS-50/-60 can also be used as a 16 777 360 words by 16-bits dynamic RAM module by means of connecting DQ0 and DQ16, DQ1 and DQ17, DQ2 and DQ18, … , DQ15 and DQ31, resp...