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HYM321000GS-60

Siemens
Part Number HYM321000GS-60
Manufacturer Siemens
Description 1M x 32-Bit Dynamic RAM Module 2M x 16-Bit Dynamic RAM Module
Published Apr 23, 2005
Detailed Description 1M × 32-Bit Dynamic RAM Module (2M × 16-Bit Dynamic RAM Module) HYM 321000S/GS-50/-60 Advanced Information • 1 048 57...
Datasheet PDF File HYM321000GS-60 PDF File

HYM321000GS-60
HYM321000GS-60

Overview
1M × 32-Bit Dynamic RAM Module (2M × 16-Bit Dynamic RAM Module) HYM 321000S/GS-50/-60 Advanced Information • 1 048 576 words by 32-bit organization (alternative 2 097 152 words by 16-bit) 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 with 35 ns cycle time (-50 version) 40 ns cycle time (-60 version) Single + 5 V (± 10 %) supply Low power dissipation max 2200 mW active (-50 version) max.
1980 mW active (-60 version) CMOS – 11 mW standby TTL – 22 mW standby CAS-before-RAS refresh, RAS-only-refresh, Hidden refresh 2 decoupling capacitors mounted on substrate All inputs, outputs and clock fully TTL compatible 72 pin Single in-Line Memory Module Utilizes two 1M × 16 -DRAMs in SOJ-42 packages 1024 refresh cycles/16 ms Optimized for use in byte-write non-parity applications Tin-Lead contact pads HYM 321000S Gold-Lead contact pads HYM 321000GS single sided module with 20.
32 mm (800 mil) height • • • • • • • • • • • • • • Semiconductor Group 1 12.
95 HYM 321000S/GS-50/-60 1M × 32-Bit The HYM 321000S/GS-50/-60 is a 4 MByte DRAM module organized as 1 048 576 words by 32bit in a 72-pin single-in-line package comprising two HYB 5118160BSJ 1M × 16 DRAMs in 400 mil wide SOJ-packages mounted together with two 0.
2 µF ceramic decoupling capacitors on a PC board.
The HYM 321000S/GS-60/-70 can also be used as a 2 097 152 words by 16-bits dynamic RAM module by means of connecting DQ0 and DQ16, DQ1 and DQ17, DQ2 and DQ18, …, DQ15 and DQ31, respectively.
Each HYB 5118160BSJ is described in the data sheet and is fully electrically tested and processed according to Siemens standard quality procedure prior to module assembly.
After assembly onto the board, a further set of electrical tests is performed.
The speed of the module can be detected by the use of four presence detect pins.
The common I/O feature on the HYM 321000S/GS-50/-60 dictates the use of early write cycles.
Ord...


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