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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“That which endures is not one or another association of living forms, but the process of which the cosmos is the product, and of which these are among the transitory expressions.”
—Thomas Henry Huxley (1825–95)