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DS1961S-F5+

EEPROM, 1 Kbit, 串行 1-线, Micro Can, 2 引脚

MAXIM INTEGRATED PRODUCTS DS1961S-F5+
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制造商产品编号:
DS1961S-F5+
库存编号
2517020
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产品概述

The DS1961S-F5+ is an iButton 1Kb EEPROM with SHA-1 engine in F5 MicroCAN package. It combines 1024bits of EEPROM, 64bit secret, 8byte register/control page with up to five user read/write bytes, 512bit SHA-1 engine and fully featured 1-wire interface in a rugged iButton device. Data is transferred serially via 1-wire protocol which requires only single data lead and ground return. The DS1961S has an additional memory area called scratchpad that acts as a buffer when writing to main memory, register page or when installing a new secret. Data is first written to scratchpad from where it can be read back. After data has been verified, copy scratchpad command will transfer data to its final memory location provided that DS1961S receives matching 160bit message authentication code (MAC). Accessories permit DS1961S to be mounted on almost any surface including plastic key fobs and photo-ID badges.
  • Reads and writes over wide voltage range of 2.8V to 5.25V from -40°C to +85°C
  • Button shape is self aligning with cup shaped probes
  • World class security in stainless steel case for access control and eCash applications
  • 128bits of 5V EEPROM memory partitioned into four pages of 256bits
  • Overdrive mode boosts communication speed to 125Kbps
  • On-chip 16bit CRC generator for safeguarding data transfers
  • Communicates to host with single digital signal at 14.1Kb per second using 1-wire protocol
  • Unique, factory lasered and tested 64bit registration number for absolute traceability
  • Digital identification and information by momentary contact
  • Easily affixed with self stick adhesive backing, latched by flange or locked with ring

应用

嵌入式设计与开发

警告

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

产品信息

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1Kbit

:
-

:
串行 1-线

:
-

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Micro Can

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2引脚

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2.8V

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5.25V

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-40°C

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85°C

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-

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MSL 1 -无限制
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技术文档 (2)

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CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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可延期交货

交付周期内将会有更多库存,大约为 22-11-21

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