Dallas Semiconductor, now a subsidiary of Maxim Integrated Products, designs and manufactures analog, digital, and mixed-signal semiconductors (integrated circuits, or ICs). Its specialties include communications products (including T/E and Ethernet products), microcontrollers, battery management, thermal sensing and thermal management, non-volatile RAM, microprocessor supervisors, delay lines, silicon oscillators, digital potentiometers, real-time clocks, temperature-compensated crystal oscillators (TCXOs), iButton, and 1-Wire products. The Dallas, Texas-based company was founded in 1984 and purchased by Maxim Integrated Products in 2001. Starting in 2007, the Dallas Semiconductor brand was retired and the company began to apply the Maxim brand name to all products. Maxim Integrated Products NASDAQ: MXIM (including its subsidiary Dallas Semiconductor) is a semiconductor company that designs and manufactures analog and mixed-signal integrated circuits. ... It has been suggested that this article or section be merged with embedded microprocessor. ... Non-Volatile Random Access Memory (NVRAM) is a type of computer memory chip which does not lose its information when power is turned off. ... The present popular usage of the term potentiometer (or pot for short) describes an electrical device which has a user-adjustable resistance. ... A crystal oscillator is an electronic circuit that uses the mechanical resonance of a vibrating crystal of piezoelectric material to create an electrical signal with a very precise frequency. ... 1-Wire is a computer bus system designed by Dallas Semiconductor that provides low-speed data, signaling and power over a single wire. ... An I-button in a plastic fob. ... Nickname: Motto: Live Large. ... Year 1984 (MCMLXXXIV) was a leap year starting on Sunday (link displays the 1984 Gregorian calendar). ... Maxim Integrated Products NASDAQ: MXIM (including its subsidiary Dallas Semiconductor) is a semiconductor company that designs and manufactures analog and mixed-signal integrated circuits. ... Year 2001 (MMI) was a common year starting on Monday (link displays the 2001 Gregorian calendar). ...
An iButton is a microchip similar to those used in a smart card but housed in a round stainless steel button of 17.35mm x 3.1mm - 5.89mm in size (depending on the function).
The iButton was invented and is still manufactured exclusively by DallasSemiconductor mainly for applications in harsh and demanding environments.
Like a smart card, an iButton does not have an internal power source.
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