This is a preliminary version data sheet for KM681002A and KM681002AI CMOS SRAM. The product is a 128Kx8 high-speed static RAM, operating at 5V, with a revolutionary pin-out. It can operate within the commercial and industrial temperature range.
The KM681002A is a 128K × 8‑bit high‑speed CMOS static RAM offered by Samsung. It is available in 32‑pin plastic SOJ or TSOP2 packages and is designed for both commercial and industrial temperature ranges.
The datasheet provides detailed electrical characteristics, timing diagrams, pin configurations, and mechanical dimensions, enabling designers to integrate the device into high‑density, high‑speed systems.
| Memory size | 128K × 8 bits |
|---|---|
| Access time (max) | 12 ns, 15 ns, 20 ns |
| Supply voltage (Vcc) | 4.5 V – 5.5 V |
| Operating temperature (commercial) | 0 °C – 70 °C |
| Operating temperature (industrial) | -40 °C – 85 °C |
| Package type | 32‑pin plastic SOJ or TSOP2 |
| Power dissipation | 1.0 W |
The device operates with a supply voltage from 4.5 V to 5.5 V.
The maximum access times are 12 ns, 15 ns, and 20 ns.
Commercial range is 0 °C to 70 °C and industrial range is –40 °C to 85 °C.
It is offered in a 32‑pin plastic SOJ or a 32‑pin TSOP2 package.