The Infineon STK14C88-5C45M is a 256 Kbit non-volatile static RAM (nvSRAM) featuring AutoStore technology, organized as 32K x 8 bits and specified for military temperature operation. It delivers 45 ns access time and is packaged in a hermetically sealed ceramic DIP (CDIP), providing exceptional protection against moisture, shock, and temperature extremes. The integrated AutoStore function automatically transfers SRAM cell data into non-volatile storage elements on power-down, eliminating the need for external batteries, charge pumps, or supervisory circuits while ensuring data retention without additional board-level components.
Typical deployments include flight-critical avionics computers, mission recorders, radar signal processors, missile guidance systems, and industrial programmable controllers where deterministic read/write performance and immediate non-volatility are mandatory. The military temperature grade and rugged CDIP construction make it suitable for high-reliability aerospace, defense, and extended-temperature industrial environments subject to harsh operating conditions. From a procurement perspective, this class of nvSRAM may carry extended lead times and lifecycle considerations common to specialized ceramic-packaged military components; verifying factory lead time and traceability documentation is advised, as the hermetic CDIP and full military qualification ensure adherence to stringent compliance standards necessary for long-term sustainment programs.
| Attribute | Value |
|---|---|
| DigiKey Programmable | Not Verified |
| Memory Type | Non-Volatile |
| Memory Format | NVSRAM |
| Technology | NVSRAM (Non-Volatile SRAM) |
| Memory Size | 256Kbit |
| Memory Organization | 32K x 8 |
| Memory Interface | Parallel |
| Write Cycle Time - Word, Page | 45ns |
| Access Time | 45 ns |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Mounting Type | Through Hole |
| Package / Case | 32-CDIP (0.300in, 7.62mm) |
| Supplier Device Package | 32-CDIP |
Download the current available datasheet for STK14C88-5C45M.
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