The document introduces the HM-6551/883, which is a 256 x 4 static CMOS RAM fabricated using self-aligned silicon gate technology. It features high performance and low power operation, and provides on chip latches for address and data outputs, allowing efficient interfacing with microprocessor systems.
The HM-6551/883 is a 256 × 4 static CMOS RAM fabricated with self‑aligned silicon gate technology. It offers low‑power standby operation, fast access times, and three‑state outputs suitable for expanded memory arrays.
The datasheet provides detailed electrical characteristics, timing diagrams, package dimensions, and ordering information for designers integrating the device into microprocessor systems.
| Low Power Operation | 20 mW/MHz max |
|---|---|
| Operating Temperature Range | -55 °C to +125 °C |
It operates from –55 °C up to +125 °C.