The document describes the features and characteristics of the EDI88512CA, a 512Kx8 monolithic SRAM chip. It includes access times, data retention function, TTL compatible inputs and outputs, fully static design, temperature ranges, and various package options.
The EDI88512CA is a 4 megabit (512K × 8) monolithic CMOS static RAM offered by White Electronic Designs. It supports a range of access times from 15 ns to 55 ns and operates from a single +5 V supply.
The device is available in multiple JEDEC‑approved packages, including 32‑lead side‑braze DIP, 36‑lead ceramic flat‑pack, and SOJ options, and is qualified for commercial, industrial, and military temperature ranges.
| Memory capacity | 4 Mbit (512K × 8) |
|---|---|
| Access times | 15, 17, 20, 25, 35, 45, 55 ns |
| Power dissipation | 15 W |
| Industrial temperature range | -40 °C to +85 °C |
| Military temperature range | -55 °C to +125 °C |
It is organized as 512 K × 8 bits, giving a total of 4 Mbit of static RAM.
The device offers access times of 15, 17, 20, 25, 35, 45, and 55 ns.