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Product Detailed Parameters
- Description：NON-VOLATILE SRAM, 512KX8, 25NS
- Series：*
- Mfr：Simtek
- Package：Bulk
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Overview
The STK14EC8-BF25 is a non-volatile static RAM (nvSRAM) manufactured by Simtek. It integrates fast SRAM with non-volatile memory elements within each cell, providing unlimited read/write cycles for the SRAM and one million store cycles for the non-volatile data. The device features a 32K x 8 organization with a 25ns access time. It operates on a single 5V ± 10% supply and supports asynchronous operation. Key capabilities include automatic hardware-initiated STORE during power-down and RECALL upon power restore or software command.
Feature Summary
- Integrates non-volatile memory elements into each static RAM cell to retain data without power
- Supports unlimited read and write cycles for SRAM alongside high endurance for non-volatile storage
- Features automatic hardware-initiated data preservation during power loss events
- Allows flexible data recall initiation through software commands or power restoration
Applications
- Industrial control systems requiring persistent configuration data
- Data logging applications needing reliable long-term retention
- Embedded systems with frequent power cycling requirements
Procurement Notes
Verify the specific suffix BF25 against official Simtek documentation to confirm package type and temperature grade. Ensure compatibility with system voltage levels and interface requirements before procurement. Cross-reference part numbers with current manufacturer listings as product lines may evolve.
Selection Notes
Select this component when non-volatility is required without the complexity of external backup batteries. Consider the 25ns speed for timing-sensitive applications. Evaluate the need for industrial temperature ranges if operating in harsh environments compared to commercial grades.
Part Context
This device belongs to the AutoStore nvSRAM family from Simtek, designed to bridge the gap between volatile SRAM speed and non-volatile storage reliability. It eliminates the need for battery-backed solutions commonly used in traditional NVRAM designs.
Replacement Considerations
Check for direct equivalents from Cypress Semiconductor, which acquired Simtek's technology. Verify pinout and electrical specifications match exactly before substituting with other nvSRAM families.
