GAL22V10D-5LJ

Programmable Logic Device Pld Overview

The GAL22V10D-5LJ is a discontinued Simple Programmable Logic Device (SPLD) from Lattice Semiconductor, utilizing E2CMOS technology. It features 22 I/O pins and 10 macrocells within a 28-pin PLCC package. The device operates at a maximum propagation delay of 5 ns, supporting a maximum frequency of 200 MHz with no feedback. It functions on a 4.75 V to 5.25 V supply, drawing up to 90 mA typical current in commercial grade. Key capabilities include active pull-ups, asynchronous reset, synchronous preset, and an electronic signature for identification.

Programmable Logic Device Pld Feature Summary

• E2CMOS Technology: Electrically erasable floating gate technology enabling high-speed reprogramming (<100ms erase time).
• High Performance: 5 ns maximum propagation delay and 200 MHz maximum clock frequency without feedback.
• Flexible Architecture: 10 Output Logic Macrocells (OLMCs) configurable as registered or combinatorial I/O.
• Active Pull-ups: Built-in active pull-ups on all pins to prevent floating inputs.

Programmable Logic Device Pld Applications

• DMA Control
• State Machine Control
• High Speed Graphics Processing
• Standard Logic Speed Upgrade

Programmable Logic Device Pld Procurement Notes

This component is officially discontinued per PCN #13-10. No new production is available from Lattice Semiconductor. Verification of authenticity is critical when sourcing from third-party distributors due to the end-of-life status. Check for lead-free packaging variants if required by specific environmental regulations.

Programmable Logic Device Pld Selection Notes

Select this part only for legacy designs requiring exact pinout and logic compatibility with standard bipolar 22V10 devices. The 5 ns speed grade offers a balance between performance and power consumption compared to faster or slower variants. Ensure the design accounts for the 5V supply requirement and the specific PLCC-28 footprint.

Programmable Logic Device Pld Part Context

The GAL22V10D series represents Lattice's high-performance E2CMOS programmable logic family. The 'D' suffix indicates the DIP/PLCC/SOIC package options, while 'LJ' specifies the Lead-Free PLCC-28 package. This device is fully function, fuse-map, and parametric compatible with older UVCMOS and bipolar 22V10 architectures.

Programmable Logic Device Pld Replacement Considerations

No direct functional replacements are listed in the provided documentation. Designers may consider migrating to modern CPLD families such as the ispGAL22LV10 series for improved performance and lower voltage operation, though pinouts and programming tools will differ.

Programmable Logic Device Pld FAQ

What is the maximum operating frequency of the GAL22V10D-5LJ?

The maximum clock frequency is 200 MHz with internal feedback, 166 MHz with external feedback, and 250 MHz with no feedback.

Does the GAL22V10D-5LJ support asynchronous reset?

Yes, the device includes a dedicated product term for Asynchronous Reset (AR) that sets all registers to zero immediately upon assertion.

What is the purpose of the electronic signature in this device?

The electronic signature provides 64 bits of reprogrammable memory for user-defined data such as ID codes, revision numbers, or inventory control, independent of the security cell state.