DS1314S+T&R

Controllers Overview

The DS1314S+T&R is a nonvolatile memory controller IC in a 16-SOIC package. It converts CMOS SRAM into nonvolatile memory by monitoring VCCI for out-of-tolerance conditions and automatically switching to a lithium battery backup supply upon power failure. The device provides unconditionally write-protected SRAM during power loss and monitors the backup battery voltage, signaling low-battery conditions via an open-drain output. It supports processor reset functions during power failures and system power-up.

Controllers Feature Summary

• Converts standard CMOS SRAM into nonvolatile memory with automatic battery backup switching
• Monitors lithium cell voltage and signals impending battery failure through an active-low warning output
• Unconditionally write-protects SRAM when the main power supply is out of tolerance
• Provides processor reset signals during power failure detection and system power-up

Controllers Applications

• Battery monitoring in NV SRAM modules
• Systems requiring data retention during power interruptions
• Processor-based systems needing power-fail detection and reset generation

Controllers Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type and RoHS compliance status. Confirm availability as distribution channels may list limited stock or special order requirements. Ensure the selected variant matches the required pin count and thermal characteristics for the target application design.

Controllers Selection Notes

Select this component for applications requiring reliable conversion of volatile SRAM to nonvolatile storage. Consider the 16-pin SOIC package for space-constrained designs. Evaluate the need for processor reset functionality, which is available on the S and E variants but not the basic DIP version. Verify compatibility with 3V or 3.3V nominal supply rails.

Controllers Part Context

The DS1314 series includes multiple package options such as 8-pin DIP, 8-pin SOIC, 16-pin SOIC, and 20-pin TSSOP. The DS1314S+ specifically denotes the 16-pin SOIC variant. The series is designed for industrial temperature ranges and integrates precise voltage detection circuitry using a low-leakage CMOS process to minimize battery consumption.

Controllers Replacement Considerations

DS1314S+