TIBPAL16R8-15CFN

Overview

The TIBPAL16R8-15CFN is a high-performance Impact PAL circuit featuring eight registered outputs and three-state control. It utilizes Advanced Low-Power Schottky technology with titanium-tungsten fuses for reliable programmability. The device operates within a supply voltage range of 4.75 V to 5.25 V, supporting a maximum clock frequency of 50 MHz. Electrical characteristics include a maximum propagation delay of 15 ns from input to output and 12 ns from clock to registered output.

Feature Summary

• Combines high-speed logic performance with functional equivalency to conventional TTL circuits.
• Provides power-up clear functionality where all registered outputs initialize to a defined state upon power application.
• Offers flexible I/O port configurations allowing pins to function as inputs or registered outputs.

Applications

• State machine implementation requiring deterministic initialization sequences.
• High-speed digital logic replacement in legacy systems.
• Custom combinational and sequential logic design on compact printed circuit boards.
• Industrial control applications utilizing ceramic chip carrier packages for environmental robustness.

Procurement Notes

Verify the specific ordering suffix against current Texas Instruments documentation, as package availability and status may vary. Confirm that the component meets the required military or commercial temperature specifications for the intended environment. Ensure programming equipment compatibility with titanium-tungsten fuse technologies before procurement.

Selection Notes

Select this device when registered outputs with three-state capability are required for synchronous designs. Compare the 15 ns speed grade against the 20 ns variant based on system timing constraints. Consider the FN plastic leaded chip carrier package for surface-mount assembly requirements while verifying pinout compatibility with existing footprints.

Part Context

This component belongs to the TIBPAL16 family of simple programmable logic devices manufactured by Texas Instruments. It serves as a direct substitute for older PAL16R8A series circuits, offering improved performance through advanced semiconductor processes. The family includes variations with different output registration and speed grades to suit diverse digital logic applications.

Replacement Considerations

Publicly confirmed substitutes include the TIBPAL16R8-20MFKB for extended temperature ranges and the PAL16R8AMJB for ceramic DIP packaging. Verify that the replacement maintains the same registered output configuration and three-state buffer functionality to ensure circuit compatibility without redesign.