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Maxim > Products > [Supervisors, Voltage Monitors, Sequencers] 
DS1210
Nonvolatile Controller Chip


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Status
Part Number Status
DS1210 Active: In Production. But some versions of the family are No Longer Available. See Ordering Information.

Data Sheet
FULL DATA SHEET (PDF, 144kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The DS1210 Nonvolatile Controller Chip is a CMOS circuit which solves the application problem of converting CMOS RAM into nonvolatile memory. Incoming power is monitored for an out-of-tolerance condition. When such a condition is detected, chip enable is inhibited to accomplish write protection and the battery is switched on to supply the RAM with uninterrupted power. Special circuitry uses a low-leakage CMOS process which affords precise voltage detection at extremely low battery consumption. The 8-pin DIP package keeps PC board real estate requirements to a minimum. By combining the DS1210 Nonvolatile Controller Chip with a CMOS memory and batteries, nonvolatile RAM operation can be achieved.

Key Features
  • Converts CMOS RAMs into Nonvolatile Memories
  • Unconditionally Write Protects when VCC is Out-of-Tolerance
  • Automatically Switches to Battery when Power-Fail Occurs
  • Space-Saving 8-Pin DIP
  • Consumes Less Than 100nA of Battery Current
  • Tests Battery Condition on Power up
  • Provides for Redundant Batteries
  • Optional 5% or 10% Power-Fail Detection
  • Low Forward Voltage Drop on the VCCSwitch
  • Optional 16-Pin SO Surface Mount Package
  • Optional Industrial (N) Temperature Range of -40°C to +85°C
  • Underwriters Laboratories (UL®) Recognized

Key Specifications:  Non-Volatile RAM Controllers
Part Number CE Cntrl. Smart Socket w/Int. Batt. Li Batt. Monitor Pwr. Fail Out RAMs Controlled Reset Out VSUPPLY
(V)		 Package/Pins Smallest Available Pckg.
(mm2)		 Price
max w/pins See Notes
DS1210  Yes No No No 1 No 5
SOIC(W)/16
 111 $2.44 @1k
See All Non-Volatile RAM Controllers (13)

Diagram
DS1210: Pin Assignment
Pin Assignment

Application Notes
  		• Application Note 202: NV SRAM Frequently Asked Questions - DS1210

    Reliability Reports
  		• Reliability Report: DS1210.pdf
  		• Underwriters Laboratories (UL®) Recognized

    Software/Models
  		• DS1210 IBIS Model

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-12 of 12

    DS1210 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    DS1210N+  
    		Active PDIP(N);8 pin;82 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    DS1210+  
    		Active PDIP(N);8 pin;82 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8+4*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    DS1210N    
    		Active PDIP(N);8 pin;82 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    DS1210S/T&R/     N/A No Longer Available

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    DS1210S    
    		Active SOIC(W);16 pin;111 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0107 (PDF)
    Use pkgcode/variation: W16-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    DS1210S/T&R    
    		Active SOIC(W);16 pin;111 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0107 (PDF)
    Use pkgcode/variation: W16-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    DS1210S+  
    		Active SOIC(W);16 pin;111 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0107 (PDF)
    Use pkgcode/variation: W16+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    DS1210S+TRL    
    		Active SOIC(W);16 pin;111 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0107 (PDF)
    Use pkgcode/variation: W16+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    DS1210SN+  
    		Active SOIC(W);16 pin;111 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0107 (PDF)
    Use pkgcode/variation: W16+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    DS1210SN    
    		Active SOIC(W);16 pin;111 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0107 (PDF)
    Use pkgcode/variation: W16-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    DS1210SN/T&R    
    		Active SOIC(W);16 pin;111 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0107 (PDF)
    Use pkgcode/variation: W16-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    DS1210SN+T&R    
    		Active SOIC(W);16 pin;111 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0107 (PDF)
    Use pkgcode/variation: W16+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
  		• UL Certified

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    2003-09-05
    This page last modified: 2009-10-28


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