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Triphenyl tetrazolium chloride (TTC), or simply tetrazolium chloride (with the formula 2,3,5-triphenyl-2H-tetrazolium chloride) is a redox indicator commonly used in biochemical experiments especially to indicate cellular respiration. It is a white crystalline powder, soluble in water, ethanol and acetone but insoluble in ether.
The 6309 is fabricated in CMOS technology, while the 6809 is an NMOS device. As a result, the 6309 requires less power to operate than the 6809. Although it is a dynamic design (the datasheet [3] specifies a 500 kHz minimum clocking frequency and it will lose its state when the clock speed is too low), it can be paused for up to 15 cycles.
Front page of a floppy disk controller data sheet (1979) A datasheet, data sheet, or spec sheet is a document that summarizes the performance and other characteristics of a product, machine, component (e.g., an electronic component), material, subsystem (e.g., a power supply), or software in sufficient detail that allows a buyer to understand what the product is and a design engineer to ...
The Time-Triggered Protocol (TTP) is an open computer network protocol for control systems. It was designed as a time-triggered fieldbus for vehicles and industrial applications. [ 1 ] and standardized in 2011 as SAE AS6003 (TTP Communication Protocol).
The Bell 103 modem or Bell 103 dataset was the second commercial modem for computers, released by AT&T Corporation in 1963. [ 1 ] [ 2 ] It allowed digital data to be transmitted over regular unconditioned telephone lines at a speed of 300 bits per second .
[1] NTC thermistors are widely used as inrush-current limiters and temperature sensors, while PTC thermistors are used as self-resetting overcurrent protectors and self-regulating heating elements . An operational temperature range of a thermistor is dependent on the probe type and is typically between −100 and 300 °C (−148 and 572 °F).
A TMS1000 "computer on a chip". The date code on this part shows it was made in 1979. It is in a 28-pin plastic dual-inline package. Texas Instruments TMS1100 microcontroller inside the Parker Brothers Merlin electronics game. The TMS1000 is a family of microcontrollers introduced by Texas Instruments in 1974.
The Transportation Technology Center (TTC) is a railroad equipment testing and training facility located northeast of Pueblo, Colorado, owned by the Federal Railroad Administration (FRA). It was built in 1971 as the High Speed Ground Test Center ( HSGTC ) for the Department of Transportation (DOT) and its original purpose was to test several ...