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National Semiconductor Corporation was an American semiconductor manufacturer, which specialized in analog devices and subsystems, formerly headquartered in Santa Clara, California. The company produced power management integrated circuits , display drivers , audio and operational amplifiers , communication interface products and data ...
LM393 differential comparator manufactured by National Semiconductor. The following is a list of LM-series integrated circuits. Many were among the first analog integrated circuits commercially produced since late 1965; [1] some were groundbreaking innovations [opinion]. As of 2007, many are still being used. [2]
The National Semiconductor 8250 UART chip, one of the most prolific and most cloned UART chips. Western Digital WD8250 (here in a Commodore PC30-III) 8250 and 16450 pinout. The 8250 UART (universal asynchronous receiver-transmitter) is an integrated circuit designed for implementing the interface for serial communications.
The NS32000, sometimes known as the 32k, is a series of microprocessors produced by National Semiconductor.Design work began around 1980 and it was announced at the International Solid-State Circuits Conference in April 1981.
Similarly numbered devices, with varying levels of compatibility with the original National Semiconductor part, are made by other manufacturers. A UART function that is register-compatible with the 16550 is usually a feature of multifunction I/O cards for IBM PC-compatible computers and may be integrated on the motherboard of other compatible ...
The LM358 is a low-power dual operational amplifier integrated circuit, originally introduced by National Semiconductor. [1] It uses a single power supply from +3 to +30 volts for V CC (though some variants go higher, such as 36 volts for the LM358B). Input voltage can range from −0.3 volts to V CC.
National Semiconductor SC/MP Development System. A feature of the SC/MP was a shared daisy-chained control line that allowed multiple SC/MP, or more commonly a single SC/MP and related direct memory access (DMA) controllers, to share access to a single main memory. When any one of the chips on the bus desired access to memory, it would set the ...
The LM3914 is an integrated circuit (IC), designed by National Semiconductor in the late 1970s, used to operate displays that visually show the magnitude of an analog signal. [1] It can drive up to 10 LEDs, LCDs, or vacuum fluorescent displays on its outputs. The linear scaling of the output thresholds makes the device usable, for example, as a ...