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PAL16R4CNL Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
PAL16R4CNLMMI100Yes

PAL16R4CNL** is a Programmable Array Logic (PAL) device manufactured by **Monolithic Memories Inc.

The PAL16R4CNL is a Programmable Array Logic (PAL) device manufactured by Monolithic Memories Inc. (MMI).

Key Specifications:

  • Device Type: PAL (Programmable Array Logic)
  • Technology: Bipolar (TTL)
  • Package: 20-pin DIP (Dual In-line Package)
  • Operating Voltage: 5V (TTL-compatible)
  • Speed Grade: Varies (typical propagation delay ~25ns)
  • Number of Inputs: 16
  • Number of Outputs: 4 (registered)
  • Macrocells: 4 registered outputs with feedback
  • Programmability: One-time programmable (OTP)

Descriptions:

The PAL16R4CNL is a registered PAL device designed for sequential logic applications. It features 16 inputs and 4 registered outputs, making it suitable for state machine designs, counters, and other synchronous logic circuits. The device is programmed using a PAL assembler or hardware programmer.

Features:

  • 4 Registered Outputs (with clocked D-type flip-flops)
  • Combinational and Registered Logic
  • Asynchronous Reset (for registered outputs)
  • TTL-Compatible Inputs/Outputs
  • High-Speed Operation (typical propagation delay ~25ns)
  • One-Time Programmable (OTP)
  • Wide Operating Temperature Range (commercial/industrial grades available)

This device was widely used in early digital logic designs before the advent of CPLDs and FPGAs.

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