This document describes the features and characteristics of the Semiconductor Group 1 2M × 32-Bit Dynamic RAM Module, including fast access and cycle time, hyper page mode-EDO capability, low power dissipation, refresh methods, and TTL compatibility.
The document describes the Siemens HYM 322005S/GS-50/-60, a 72-pin Single In-Line Memory Module (SIMM) designed for PC main memory applications. It is organized as 2,097,152 words by 32-bit and utilizes four 1M x 16 EDO DRAMs in SOJ-42 packages along with ceramic decoupling capacitors.
| Organization | 2M x 32-bit |
|---|---|
| Capacity | 8 MByte |
| Package Type | 72 pin Single in-Line Memory Module |
| Access Time (-50 version) | 50 ns |
| Cycle Time (-60 version) | 104 ns |
| Hyper Page Mode Cycle Time (-50 version) | 20 ns |
| Supply Voltage | + 5 V(+ 10%) |
| Operating Temperature Range | -40 to +70°C |
| Refresh Cycles | 1024 refresh cycles / 16 ms |
The single sided module has a height of 20.32 mm (800 mil).
The available types include HYM 322005S-50, HYM 322005S-60, HYM 322005GS-50, and HYM 322005GS-60.
Yes, all inputs, outputs and clock are fully TTL compatible.