CPL16R8L-25 - CMOS Low Power Programmable Logic Device

CPL16R8L-25 / CPL16R8L-25NC is a CMOS Low Power Programmable Logic Device (PLD), specifically a type of PAL-type device used in digital circuit design for logic consolidation. It belongs to a family of UV-erasable or One-Time Programmable (OTP) devices typically used for legacy hardware maintenance or specific logic replacement tasks.

Technical Specifications

Based on typical nomenclature and technical listings for this series, here are the core specifications:

• Device Type: Electrically-Erasable or UV-Erasable Programmable Logic Device (PLD).
• Logic Configuration: The "16R8" designation typically indicates 16 inputs and 8 registered outputs, which are standard for this architecture.
• Speed Grade: The "-25" suffix indicates a propagation delay or access time of 25 nanoseconds.
• Power Variant: The "L" in the part number signifies a Low Power version of the standard chip.
• Temperature & Package: The "NC" suffix generally refers to a Commercial temperature range (0°C to 70°C) and often a Plastic Leaded Chip Carrier (PLCC) or Plastic Dual In-line Package (PDIP).

Functional Features

• Logic Erasability: These chips were designed to be either UV-erasable (if equipped with a windowed ceramic package) or OTP (One-Time Programmable) in plastic packages like the NC variant.
• CMOS Technology: Utilizes CMOS processes to achieve lower power consumption compared to older bipolar PAL devices.
• Applications: Commonly used for address decoding, state machines, and replacing multiple discrete TTL logic gates in vintage computing or industrial control systems.

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