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DS1995: iButton 16Kb Memory Data Sheet (Rev. 3)9/16/2009PDF39K
Overview
Features and Benefits
- 16384 bits of read/write nonvolatile memory
- 256-bit scratchpad ensures integrity of data transfer
- Overdrive mode boosts communication to 142kbps
- Memory partitioned into 256-bit pages for packetizing data
- Data integrity assured with strict read/write protocols
- Operating temperature range from -40°C to +70°C
- Over 10 years of data retention
Product Details
The iButton® 16Kb memory (DS1995) operates nearly identically to the DS1996. The main differences are: 16Kb of memory organized as 64 pages of 32 bytes and a family code of 0A hexadecimal. For further details please refer to the DS1996 data sheet.
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Product Lifecycle
Recommended for New Designs
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
Documentation & Resources
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1-Wire Search Algorithm3/28/2002
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Reading and Writing 1-Wire® Devices Through Serial Interfaces3/29/2001
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iButton Data Loggers5/17/2019
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White Paper 2: Using the 1-Wire® Public Domain Kit7/16/2008
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Software Methods to Achieve Robust 1-Wire® Communication in iButton® Applications9/11/2007
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What Is an iButton Device?5/17/2006
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White Paper 5: Using 1-Wire APIs for Data Sheet Commands6/7/2002
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1-Wire Communication Through Software5/30/2002
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Using the DS2480B Serial 1-Wire® Line Driver3/12/2002
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1-Wire File Structure7/11/2001
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Understanding and Using Cyclic Redundancy Checks with Maxim 1-Wire and iButton Products3/29/2001
Design Resources
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