WebBrowse Encyclopedia. (1) ( P rogrammable A rray L ogic) A type of programmable logic chip (PLD) that contains arrays of programmable AND gates and predefined OR gates. PALs … WebEven in this first design, Burrell was using his trademark 'PAL' chips, which were small, programmable logic arrays, to provide all of the system glue, so the system had a very low chip count. The first Macintosh was a cute little computer, but it was fundamentally limited by the 6809 microprocessor, which only had 16 bits of address space.
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WebJul 28, 2007 · serial to parallel "path" into the cpu . You can use another cpu , cause they. dont have the serial inputs , a PLD has . PLDs can do many RLL serial streams. in parallel , CPU's can't . Some CPU's have USB 2.0 Hi-Speed , which. is Run-Length-Limited , but only one channel . PLD's can also preprocess the serial , to. Programmable Array Logic (PAL) is a family of programmable logic device semiconductors used to implement logic functions in digital circuits introduced by Monolithic Memories, Inc. (MMI) in March 1978. MMI obtained a registered trademark on the term PAL for use in "Programmable Semiconductor Logic … See more Before PALs were introduced, designers of digital logic circuits would use small-scale integration (SSI) components, such as those in the 7400 series TTL (transistor-transistor logic) family; the 7400 family included a variety … See more The PAL architecture consists of two main components: a logic plane and output logic macrocells. Programmable … See more After MMI succeeded with the 20-pin PAL parts introduced circa 1978, AMD introduced the 24-pin 22V10 PAL with additional features. After buying out MMI (circa 1987), AMD … See more Early PALs were 20-pin DIP components fabricated in silicon using bipolar transistor technology with one-time programmable (OTP) titanium-tungsten programming fuses. Later … See more PALs were programmed electrically using binary patterns (as JEDEC ASCII/hexadecimal files) and a special electronic programming … See more • Combinational logic Other types of programmable logic devices: • See more Books • Programmable Logic Designer's Guide; Roger Alford; Sams Publishing; 1989; ISBN 0-672-22575-1. • PAL Programmable Logic Handbook; 4ed; Monolithic Memories; 1985. (archive) See more WebAug 16, 2012 · PAL chips had an array of fuses inside them. The fuses served as interconnect for number of logic gates. They were programmed by blowing the fuses. … bull. chin. acad. sci