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Description

FULL DATA SHEET (PDF, 200kB) Download   E-Mail The MXD1210 nonvolatile RAM controller is a very low-power CMOS circuit that converts standard (volatile) CMOS RAM into nonvolatile memory. It also continually monitors the power supply to provide RAM write protection when power to the RAM is in a marginal (out-of-tolerance) condition. When the power supply begins to fail, the RAM is write protected, and the device switches to battery-backup mode.

Key Features		Applications/Uses
Battery Backup Memory Write Protection 230µA Operating-Mode Quiescent Current 2nA Backup-Mode Quiescent Current Battery Freshness Seal Optional Redundant Battery Low Forward-Voltage Drop on VCC Supply Switch 5% or 10% Power-Fail Detection Options Tests Battery Condition During Power-Up 8-Pin SO Available		µP-Controlled Systems Computers: Desktop, Workstation, Server Embedded Systems

Key Specifications:  Battery Backup Circuits
Part Number	Reset Thresh. (V)	ICC (µA)	Features	Package/Pins	Smallest Available Pckg. (mm2)	Oper. Temp. (°C)	Price
		max			max w/pins		See Notes
MXD1210	3.3 to 5.5	500	Chip Enable Gate	CDIP(N)/8 PDIP(N)/8 SOIC(N)/8 SOIC(W)/16	31	-55 to +125 -40 to +85 0 to +70	$2.44 @1k
See All Battery Backup Circuits (86)

Diagram

Typical Operating Circuit

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Document Ref.: 19-0154; Rev 2; 2006-06-30
This page last modified: 2007-05-30