Process Technologies
Early PALs were 20-pin DIP components fabricated in silicon using bipolar transistor technology with one-time programmable (OTP) titanium-tungsten programming fuses. Later devices were manufactured by Lattice Semiconductor and Advanced Micro Devices using CMOS technology.
The original 20 and 24-pin PALs were described by MMI as medium-scale integration (MSI) devices.
Read more about this topic: Programmable Array Logic
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“The a priori method is distinguished for its comfortable conclusions. It is the nature of the process to adopt whatever belief we are inclined to, and there are certain flatteries to the vanity of man which we all believe by nature, until we are awakened from our pleasing dream by rough facts.”
—Charles Sanders Peirce (1839–1914)