HYM328020S中文資料西門子數(shù)據(jù)手冊PDF規(guī)格書

8M × 32-Bit Dynamic RAM Module

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.

? 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)