See more details.	Temperature iButton DS1920-F5 Price     1 $ 5.98 25 $ 5.06 100 $ 4.37 1000 $ 3.34 5000 $ 3.06 10000 $ 2.90 25000 $ 2.76 Digital thermometer in an iButton®. Provides direct-to-digital 9-bit temperature readings over range of -55°C to +100°C in 0.5° increments. 1-Wire® interface; multiple DS1920s can share one bus. Two bytes EEPROM. Applications: thermal sensing, especially in rugged environments and in 1-Wire networks.
See more details.	Thermochron (-10°C to 85°C) DS1921L-F51 Price     1 $ 10.35 25 $ 9.94 100 $ 9.32 1000 $ 9.00 5000 $ 8.26 10000 $ 7.82 25000 $ 7.45 A rugged, single-chip time and temperature logger, the iButton integrates a thermometer, real time clock and memory. Free development software displays and exports Internet-transmissible data formatted in both histogram and regular time-temp logging modes. The rugged Thermochron can attach to containers and travel with temperature-sensitive goods such as organic materials and chemicals. The Thermochron can stand alone or network with audio/visual indicators, displays, hand-held or notebook computers. Operating range: -10°C to 85°C.
See more details.	Thermochron (-20°C to +85°C) DS1921L-F52 Price     1 $ 10.35 25 $ 9.94 100 $ 9.32 1000 $ 9.00 5000 $ 8.26 10000 $ 7.82 25000 $ 7.45 Same as the F51 Thermochron, but with operating range of -20°C to 85°C.
Complete License See more details.	Java-powered iButton, Model 96, Release 1.1 DS19550-401 Price     1 $ 34.22 1000 $ 31.78 5000 $ 30.31 10000 $ 29.82 25000 $ 29.33 Stainless steel-encased single-chip Java virtual machine (VM), Java Card 2.0-compliant, sends data as applets over the Internet. Enhancements: 32-bit integers, random number generator, garbage collector. Resources: 64-kbyte ROM for firmware and VM, 6 kbytes fast NV RAM for stack support in multiple, independent applications. Firmware contains support for javacardx.crypto (SHA-1, RSA, DES, triple DES public key cryptographic classes for digital signatures). Math accelerator performs RSA encryption in less than one second. The iButton case initiates immediate zeroization of memory if opened. Subject to online, click-through license agreement. Applications include secure Internet transactions and e-Commerce. If you do not fill out the license agreement, your order cannot be processed. The shopping cart will appear to accept it, but the order will not ship.
Complete License See more details.	Java-powered iButton, model 96 release 2.2 DS1957B-406 Price     1 $ 53.21 1000 $ 49.41 5000 $ 47.13 10000 $ 46.37 25000 $ 45.61 Stainless steel-encased single-chip Java virtual machine (VM), Java Card 2.0-compliant, sends data as applets over the Internet. Enhancements: 32-bit integers, random number generator, garbage collector. Resources: 64-kbyte ROM for firmware and VM, 6 kbytes fast NV RAM for stack support in multiple, independent applications. Firmware contains support for javacardx.crypto (SHA-1, RSA, DES, triple DES public key cryptographic classes for digital signatures). Math accelerator performs RSA encryption in less than one second. The iButton case initiates immediate zeroization of memory if opened. Inside the 16mm steel-encased iButton is a Java computer with 64 kbytes ROM and 134 kbytes RAM that can store over 30 X.509v3 certificates with 1024-bit keys. In addition, the DS1957B can store hundreds of user names and passwords, a color ID picture and the application programs of many different service providers. Subject to online, click-through license agreement. If you do not fill out the license agreement, your order cannot be processed. The shopping cart will appear to accept it, but the order will not ship.
See more details.	Monetary iButton DS1963L-F5 Price     1 $ 9.10 25 $ 7.70 100 $ 6.65 1000 $ 5.08 5000 $ 4.66 10000 $ 4.41 25000 $ 4.20 Stores encrypted data which represents money in four independent change purses; adds and decrements monetary transactions. Includes unique registration number, 4096 bits of read/write nonvolatile memory, four 32-bit page write cycle counters, 16-bit CRC generator, and 32 tamper-detect bits. Applications: tamper-proof data transport; system of exchange and auditing control.
See more details.	SHA-1 iButton DS1963S-F5 Price     1 $ 8.45 25 $ 7.15 100 $ 6.18 1000 $ 4.71 5000 $ 4.32 10000 $ 4.10 25000 $ 3.90 Combination mobile data carrier and encryption co-processor with 4 kbits of nonvolatile memory divided into public read-write and protected read-only areas. The integrated 512-bit SHA-1 engine can compute 160-bit Message Authentication Codes (MAC) to assist a host computer with digital signatures for secure communications between the iButton and computer. Four 32-bit page write cycle counters enable four independent monetary applications. Includes 16-bit CRC generator. Applications: tamperproof data transport; system of secure monetary exchange.
See more details.	256-bit EEPROM iButton DS1971-F3 Price     1 $ 2.78 25 $ 2.35 100 $ 2.03 1000 $ 1.55 5000 $ 1.42 10000 $ 1.35 25000 $ 1.28 EEPROM organized as one 256-bit page. Unique 64-bit registration number, 1-Wire® interface. Applications: mobile or point-of-service data storage and retrieval. Package: F3 MicroCan.
See more details.	256-bit EEPROM iButton DS1971-F5 Price     1 $ 2.78 25 $ 2.35 100 $ 2.03 1000 $ 1.55 5000 $ 1.42 10000 $ 1.35 25000 $ 1.28 EEPROM organized as one 256-bit page. Unique 64-bit registration number, 1-Wire® interface. Applications: mobile or point-of-service data storage and retrieval. Package: F5 MicroCan.
See more details.	4 kbit EEPROM iButton DS1973-F3 Price     1 $ 3.90 25 $ 3.30 100 $ 2.85 1000 $ 2.18 5000 $ 2.00 10000 $ 1.89 25000 $ 1.80 4096 bits EEPROM organized as 16 256-bit pages. Unique 64-bit registration number, 1-Wire® interface. Applications: mobile or point-of-service data storage and retrieval. Package: F3 MicroCan.
See more details.	4 kbit EEPROM iButton DS1973-F5 Price     1 $ 3.90 25 $ 3.30 100 $ 2.85 1000 $ 2.18 5000 $ 2.00 10000 $ 1.89 25000 $ 1.80 4096 bits EEPROM organized as sixteen pages. Unique 64-bit registration number, 1-Wire® interface. Applications: mobile or point-of-service data storage and retrieval. Package: F5 MicroCan.
See more details.	1 kbit Add-Only iButton DS1982-F3 Price     1 $ 2.37 25 $ 2.00 100 $ 1.73 1000 $ 1.32 5000 $ 1.21 10000 $ 1.15 25000 $ 1.09 1 kbit EPROM can be programmed multiple times in incremental add-ons; can also be programmed once and write-protected. Applications: work-in-progress tracking, access control, storage of calibration constants, and debit tokens, or where count-down type memory is useful. Package: F3 MicroCan.
See more details.	1 kbit Add-Only iButton DS1982-F5 Price     1 $ 2.37 25 $ 2.00 100 $ 1.73 1000 $ 1.32 5000 $ 1.21 10000 $ 1.15 25000 $ 1.09 1 kbit EPROM can be programmed multiple times in incremental add-ons; can also be programmed once and write-protected. Applications: work-in-progress tracking, access control, storage of calibration constants, and debit tokens, or where count-down type memory is useful. Package: F5 MicroCan.
See more details.	16 kbit Add-Only iButton DS1985-F3 Price     1 $ 3.33 25 $ 2.82 100 $ 2.43 1000 $ 1.86 5000 $ 1.70 10000 $ 1.61 25000 $ 1.54 16 kbits EPROM can be programmed multiple times in incremental add-ons; can also be programmed once and write-protected. Applications: work-in-progress tracking, access control, storage of calibration constants, and debit tokens, or where count-down type memory is useful. Package: F3 MicroCan.
See more details.	16 kbit Add-Only iButton DS1985-F5 Price     1 $ 3.33 25 $ 2.82 100 $ 2.43 1000 $ 1.86 5000 $ 1.70 10000 $ 1.61 25000 $ 1.54 16 kbits EPROM can be programmed multiple times in incremental add-ons; can also be programmed once and write-protected. Applications: work-in-progress tracking, access control, storage of calibration constants, and debit tokens, or where count-down type memory is useful. Package: F5 MicroCan.
See more details.	64 kbit Add-Only iButton DS1986-F3 Price     1 $ 6.71 25 $ 5.68 100 $ 4.90 1000 $ 3.74 5000 $ 3.43 10000 $ 3.25 25000 $ 3.10 64 kbits EPROM can be programmed multiple times in incremental add-ons; can also be programmed once and write-protected. Applications: work-in-progress tracking, access control, storage of calibration constants, and debit tokens, or where count-down type memory is useful. Package: F3 MicroCan.
See more details.	64 kbit Add-Only iButton DS1986-F5 Price     1 $ 6.71 25 $ 5.68 100 $ 4.90 1000 $ 3.74 5000 $ 3.43 10000 $ 3.25 25000 $ 3.10 64 kbits EPROM can be programmed multiple times in incremental add-ons; can also be programmed once and write-protected. Applications: work-in-progress tracking, access control, storage of calibration constants, and debit tokens, or where count-down type memory is useful. Package: F5 MicroCan.
See more details.	64-Bit ROM iButton DS1990A-F3 Price     1 $ 1.98 25 $ 1.67 100 $ 1.44 1000 $ 1.10 5000 $ 1.01 10000 $ .96 25000 $ .91 Basic to all iButtons, contains a unique, unalterable, 64-bit registration number, engraved both on the silicon chip and on the steel lid of the button. Can be multidropped with different kinds of 1-Wire® devices on a 1-Wire bus. Factory tested and registered for uniqueness and traceability, the ROM number functions as a low-cost electronic key for associating with people, objects and locations--the credential for a basic security scheme. Package: F3 MicroCan.
See more details.	64-bit ROM iButton DS1990A-F5 Price     1 $ 1.98 25 $ 1.67 100 $ 1.44 1000 $ 1.10 5000 $ 1.01 10000 $ .96 25000 $ .91 Basic to all iButtons, contains a unique, unalterable, 64-bit registration number, engraved both on the silicon chip and on the steel lid of the button. Can be multidropped with different kinds of 1-Wire® devices on a 1-Wire bus. Factory tested and registered for uniqueness and traceability, the ROM number functions as a low-cost electronic key for associating with people, objects and locations--the credential for a basic security scheme. Package: F5 MicroCan.
See more details.	1 kbit Password-Protected Memory iButton DS1991L-F5 Price     1 $ 7.07 25 $ 5.98 100 $ 5.17 1000 $ 3.94 5000 $ 3.62 10000 $ 3.43 25000 $ 3.26 Includes 64-bit unique registration number in ROM with 1,152 bits of NV RAM memory split into three areas. Protected by a distinct 64-bit password, each area can act as a separate electronic key for granting access to different physical locations or computer files and applications. Only the correct password will unlock the application or grant access to restricted areas.
See more details.	1 kbit Memory iButton DS1992L-F5 Price     1 $ 5.98 25 $ 5.06 100 $ 4.37 1000 $ 3.34 5000 $ 3.06 10000 $ 2.90 25000 $ 2.76 1024 bits of read/write nonvolatile memory for storing information with an object or person. Additional memory includes 64-bit ROM serial number and 256-bit scratchpad buffer to ensure data integrity before being written. Applications: access control, work-in-progress tracking, storage of calibration constants, and debit tokens.
See more details.	4 kbit Memory iButton DS1993L-F5 Price     1 $ 6.89 25 $ 5.83 100 $ 5.04 1000 $ 3.84 5000 $ 3.52 10000 $ 3.34 25000 $ 3.18 4096 bits of read/write nonvolatile memory for storing information with an object or person. Additional memory includes 64-bit ROM serial number and 256-bit scratchpad buffer to ensure data integrity before being written. Applications: access control, work-in-progress tracking, storage of calibration constants, and debit tokens.
See more details.	4 kbit Plus Clock Memory iButton DS1994L-F5 Price     1 $ 11.57 25 $ 9.79 100 $ 8.46 1000 $ 6.45 5000 $ 5.92 10000 $ 5.61 25000 $ 5.34 Combines the 64-bit unique registration number with a real time clock (RTC) + Y2K-compliant calendar and 4 kbits of read/write memory. Applications: count-down transactions – such as tracking equipment usage in order to activate maintenance or access control options – as well as timed access applications, such as controlling ignition access in car rentals or program access to software in software leasing.
See more details.	16 kbit Memory iButton DS1995L-F5 Price     1 $ 8.45 25 $ 7.15 100 $ 6.18 1000 $ 4.71 5000 $ 4.32 10000 $ 4.10 25000 $ 3.90 16,384 bits of read/write nonvolatile memory and a communication speed of 142 kbits/second in Overdrive mode. Additional memory includes 64-bit ROM serial number and 256-bit scratchpad buffer to ensure data integrity before being written. Applications: storing information with object or person in access control, work-in-progress tracking, storage of calibration constants, and debit tokens.
See more details.	64 kbit Memory iButton DS1996L-F5 Price     1 $ 10.27 25 $ 8.69 100 $ 7.51 1000 $ 5.73 5000 $ 5.25 10000 $ 4.98 25000 $ 4.74 65,536 bits of read/write nonvolatile memory and a communication speed of 142 kbits/second in Overdrive mode. Additional memory includes 64-bit ROM serial number and 256-bit scratchpad buffer to ensure data integrity before being written. Applications: storing information with object or person in access control, work-in-progress tracking, storage of calibration constants, and debit tokens.

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