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The first part number in the series, the 7400, is a 14-pin IC containing four two-input NAND gates. Each gate uses two input pins and one output pin, with the remaining two pins being power (+5 V) and ground. This part was made in various through-hole and surface-mount packages, including flat pack and plastic/ceramic dual in-line.
Some TTL logic parts were made with an extended military-specification temperature range. These parts are prefixed with 54 instead of 74 in the part number. [1]A short-lived 64 prefix on Texas Instruments parts indicated an industrial temperature range; this prefix had been dropped from the TI literature by 1973.
A "T" is added after the type designation numbers for a Group or Unit if it is designed to provide training but is not considered "part of" other equipment. If it is "part of" other equipment, the T specifier is not used. For example: RT-10T/PRC would indicate a training receiver/transmitter Unit that is used with radio sets.
[2] [7] In the device library, Analog Devices part numbers start with "AD", and Linear Technology parts start with "LT". [ 15 ] LTspice allows a user to choose from device models that ship with LTspice, as well as allows the user to define their own device model, or use 3rd party models from numerous electronic component manufacturers, or use a ...
Agere Systems (now part of LSI Logic formerly part of Lucent, ... (formerly part of Philips) Number Nine Visual Technology ... (Acquired by Analog Devices in 1990) Q
JEDEC's early work began as a part numbering system for devices which became popular in the 1960s. The first semiconductor devices, such as the 1N23 silicon point contact diode, were still designated in the old RMA tube designation system, where the "1" stood for "No filament/heater" and the "N" stood for "crystal rectifier".
Analog Dialogue is a forum for the exchange of circuits, systems, and software for real-world signal processing and is the technical magazine published by Analog Devices. [89] It discusses products, applications, technology, and techniques for analog, digital, and mixed-signal processing.
Some computers supported additional buttons, and on some computers additional devices, such as a computer mouse, a light pen, or a graphics tablet were also supported via the game port. Unlike the basic one-button digital joysticks and the basic paddles, such devices were not typically interchangeable between different systems.