Aeroflex company produced a high performance multi-chip module, which includes 4 128K x 8 SRAMs and 4 512K x 8 Flash Die, with 25ns, 35ns (SRAM) and 60ns, 70ns, 90ns (Flash) access time, organized as 128K x 32 of SRAM and 512K x 32 of Flash memory with common data bus, low power CMOS, TTL compatible design, MIL-PRF-38534 compliant MCMs available, decoupling capacitors and multiple grounds for low noise, commercial, industrial and military temperature ranges, industry standard pinouts, TTL compatible inputs and outputs, ceramic sealed package
The ACT‑SF41632 is a high‑speed multichip module that combines 128 K×32 SRAM and 512 K×32 Flash memory in a single package. It offers sector‑based architecture, low‑power CMOS operation, and MIL‑PRF‑38534 compliance for commercial, industrial, and military applications.
The document details electrical characteristics such as access times, voltage limits, and temperature ranges, as well as package options (66‑lead PGA and 68‑lead CQFP), pin‑out tables, timing diagrams, and ordering information for various speed and package variants.
| Memory organization | 128K x 32 SRAM and 512K x 32 Flash |
|---|---|
| SRAM access time | 25 ns – 35 ns |
| Flash access time | 60 ns – 90 ns |
| Power supply voltage (Vcc) | 44.5 V – 45.5 V |
| Flash endurance | 10,000 write/erase cycles |
| Flash data retention | 10 years |
| Input high voltage | +2.2 V |
| Input low voltage | -0.5 V to +0.8 V |
The Flash memory is specified for 10,000 write/erase cycles.