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PAL20R4ACNS Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
PAL20R4ACNSMMI143Yes

PAL20R4ACNS is a Programmable Array Logic (PAL) device manufactured by Monolithic Memories, Inc.

The PAL20R4ACNS is a Programmable Array Logic (PAL) device manufactured by Monolithic Memories, Inc. (MMI).

Specifications:

  • Device Type: PAL (Programmable Array Logic)
  • Part Number: PAL20R4ACNS
  • Technology: TTL (Transistor-Transistor Logic)
  • Speed Grade: AC (indicating a specific speed/timing characteristic)
  • Package: NS (Plastic DIP, likely 20-pin)
  • Inputs: 20 (including dedicated inputs and feedback paths)
  • Outputs: 4 (registered outputs)
  • Macrocells: 4 (registered outputs with feedback)
  • Power Supply: +5V (standard TTL voltage)
  • Operating Temperature: Commercial (0°C to +70°C)

Descriptions & Features:

  • Programmable Logic: Combines a fixed OR array with a programmable AND array.
  • Registered Outputs: 4 outputs with flip-flops for synchronous designs.
  • Combinatorial & Sequential Logic: Supports both combinatorial and registered logic functions.
  • TTL-Compatible: Inputs and outputs are TTL-compatible.
  • High-Speed Operation: Optimized for performance in logic designs.
  • Electrically Erasable (EE) or One-Time Programmable (OTP): Depending on variant.

This device was commonly used in digital logic designs for state machines, counters, and control logic applications.

Would you like additional details on programming or timing characteristics?

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