JM38510/50501BLA

Programmable Logic Device Pld Overview

The JM38510/50501BLA is a high-performance programmable logic device from the TIBPAL20R4-20M series, manufactured by Texas Instruments. It features Advanced Low-Power Schottky technology with titanium-tungsten fuses. The device operates over a military temperature range of -55°C to 125°C with a nominal supply voltage of 5V. Key electrical parameters include a maximum clock frequency of 41.6 MHz, propagation delay (CLK to Q) of 15 ns max, and output current capabilities of -2 mA (high) and 12 mA (low).

Programmable Logic Device Pld Feature Summary

• High-speed IMPACT/thin PAL circuit design for reliable performance.
• Registered outputs with power-up clear and preload capability.
• Functionally equivalent but faster than standard PAL20R4 devices.
• Available in ceramic dual in-line package for military applications.

Programmable Logic Device Pld Applications

• State machine initialization and control logic.
• High-speed interface buffering and translation.
• Complex glue logic replacement in digital systems.
• Military and aerospace electronic subsystems.

Programmable Logic Device Pld Procurement Notes

Verify that the component matches the specific JM38510/50501BLA designation for the registered variant. Confirm the package type is CDIP (JT) as listed in the packaging addendum. Ensure the supplier provides documentation confirming compliance with the MIL-J-38510 standards associated with this part number. Check for any specific handling requirements related to programmable logic devices.

Programmable Logic Device Pld Selection Notes

Select this device when a registered PAL solution is required for military temperature ranges. The TIBPAL20R4-20M offers higher speed than the commercial C-series variants. Consider the preload feature if simplified testing sequences are needed. Compare pin counts and I/O configurations against other PAL20 variants like the L8 or R6/R8 models to ensure functional fit.

Programmable Logic Device Pld Part Context

This part belongs to the Texas Instruments TIBPAL family, which utilizes IMPACT technology. It is a military-grade version of the commercial TIBPAL20R4-15C, optimized for wider temperature operation. The JM38510 prefix indicates it meets specific military procurement specifications, distinguishing it from standard commercial TI logic parts.

Programmable Logic Device Pld Replacement Considerations

The TIBPAL20R4-15C is functionally similar but limited to commercial temperature ranges. Other registered PAL variants such as the TIBPAL20R6 or TIBPAL20R8 offer different output counts. Verify compatibility with existing programming tools and fuse maps when substituting with non-TI PAL devices.

Programmable Logic Device Pld FAQ

What is the purpose of the preload feature on the registered outputs?

Preload allows each register to be asynchronously set to a high or low state prior to executing a test sequence, simplifying testing procedures.

How does the power-up reset behavior work?

Following power up, all registers are reset to zero. This requires a monotonic VCC rise and ensures valid initialization before clock transitions occur.

What technology is used for the programmable interconnect?

The device uses titanium-tungsten fuses combined with Advanced Low-Power Schottky technology to provide reliable, high-performance logic functions.