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DS1210 The DS1210 is a nonvolatile controller chip from Dallas Semiconductor that converts CMOS RAMs into nonvolatile memories. It automatically switches to battery power during power failures and provides write protection.
Mfr Part #:

DS1210

Available from 3 distributors
Mfr Name: Dallas Semiconductor
Dallas Semiconductor
The DS1210 is a nonvolatile controller chip from Dallas Semiconductor that converts CMOS RAMs into nonvolatile memories. It automatically switches to battery power during power failures and provides write protection.
✓ Total Stock: 8,346 pcs
$ Price Range: $1.50

DS1210 Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
6,148 pcs
On Request
6148 pcs On Request 1 On Request On Request 04+ On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
2,181 pcs
On Request
2181 pcs On Request 1 On Request On Request 02+ On Request On Request
Speed Components Ltd ✓
Non-Authorised Inventory information
17 pcs
On Request
17 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

DS1210 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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DS1210 Description

Short technical summary and product information.

The DS1210 Nonvolatile Controller Chip by Dallas Semiconductor is designed to convert standard CMOS RAM into nonvolatile memory. It achieves this by monitoring incoming power and automatically switching to battery backup when a power-fail condition is detected. This ensures data integrity by preventing writes during power fluctuations.

 

Key features include unconditional write protection when VCC is out-of-tolerance and automatic switching to battery power during power failures. The device consumes less than 100nA of battery current and includes a battery condition test on power-up. It offers optional 5% or 10% power-fail detection and a low forward voltage drop on the VCC switch.

 

The DS1210 is available in space-saving 8-pin PDIP or 16-pin SO packages. It supports redundant batteries and an optional industrial temperature range of -40°C to +85°C. This controller is ideal for applications requiring reliable data retention in the event of power interruptions, such as data logging or memory backup systems.

DS1210 Quick Information

Product Type: Nonvolatile Controller
Canonical Name: DS1210 Nonvolatile Controller Chip
Subcategory: Nonvolatile Controllers

DS1210 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

DS1210 Estimated Pricing

Qty Low High
1+ $1.50 $1.50

Estimated market price range - modelled values for guidance only, not live distributor offers.

DS1210 Features

  • Converts CMOS RAM to nonvolatile memory.
  • Automatic battery switching on power failure.
  • Unconditional write protection when VCC is out-of-tolerance.
  • Low battery current consumption (<100nA).
  • Optional 5% or 10% power-fail detection.

DS1210 Applications

  • Ensures data retention during power outages.
  • Protects critical data from voltage fluctuations.
  • Suitable for battery-backed memory systems.
  • Ideal for data logging applications.

DS1210 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the DS1210?

The DS1210 operates over -40°C to +85°C.

What packages are available for the DS1210?

The DS1210 is available in 8-Pin PDIP and 16-Pin SO packages.

What are the power-fail detection voltage options?

With TOL pin grounded, detection is 4.75-4.5V; with TOL connected to VCCO, detection is 4.5-4.25V.

How much battery current does the DS1210 consume?

The DS1210 consumes less than 100nA of battery current.

What is the voltage drop across the VCC switch?

The VCC switch has a forward voltage drop of less than 0.3V.

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