MXD1210CSA

Overview

The MXD1210CSA is a nonvolatile RAM controller manufactured by Analog Devices Inc./Maxim Integrated. It converts standard volatile CMOS RAM into nonvolatile memory using an 8-pin SO package. The device operates within a supply voltage range of 4.5V to 5.5V and supports a commercial temperature range of 0°C to +70°C. In normal operating mode, the quiescent current is 230µA, while it drops to 2nA in battery-backup mode.

Feature Summary

• Continuously monitors power supply to provide write protection during marginal conditions
• Switches to battery-backup mode when main power fails
• Tests battery condition during power-up via freshness-seal functionality

Applications

• Microprocessor Systems
• Computers
• Embedded Systems

Procurement Notes

Verify that the specific part number matches the required package type and temperature rating. Confirm lead-free status if indicated by the suffix. Ensure compatibility with the target system's voltage levels and interface requirements before procurement.

Selection Notes

Select this component for designs requiring low-power NVRAM conversion. Consider the 8-pin SO package for surface-mount applications. Evaluate the need for redundant battery support based on system reliability requirements.

Part Context

This device belongs to the MXD1210 series of nonvolatile RAM controllers. It is designed to integrate seamlessly with standard CMOS SRAMs, providing essential data retention capabilities without complex external circuitry.

Replacement Considerations

MXD1210CPA

FAQ

How does the MXD1210 protect data during a power failure?

It detects out-of-tolerance power conditions and immediately write-protects the RAM, switching to battery backup to prevent data corruption.

What is the purpose of the Freshness-Seal Mode?

It isolates batteries from the system upon initial connection, preserving shelf life until the main power supply exceeds the trip point.