ISPGAL22V10AV-75LJN

Programmable Logic Device Pld Overview

The ISPGAL22V10AV-75LJN is a Simple Programmable Logic Device (SPLD) from Lattice Semiconductor, belonging to the ispGAL22V10 family. It utilizes E2CMOS technology for electrically erasable programmability. The device features 22 input/output pins and 10 macrocells. Key electrical parameters include a maximum propagation delay of 7.5 ns, a maximum operating frequency of 133 MHz, and a supply voltage range of 4.5 V to 5.5 V. It is housed in a 28-pin Plastic Quad Flat Package (PQFP) or similar leaded package indicated by the 'LJ' suffix, designed for surface-mount applications.

Programmable Logic Device Pld Feature Summary

• E2CMOS Technology: Electrically erasable and reprogrammable with high-speed erase cycles (<100ms) and 20-year data retention.
• High Performance: Maximum propagation delay of 7.5 ns supports system clock frequencies up to 133 MHz.
• Logic Density: Contains 10 macrocells providing flexibility for complex combinational and sequential logic designs.
• Pin Compatibility: Functionally compatible with standard bipolar and UVCMOS 22V10 devices, facilitating direct upgrades.

Programmable Logic Device Pld Applications

• DMA Controller implementations
• State Machine Control logic
• Standard Logic Speed Upgrades
• Address Decoding

Programmable Logic Device Pld Procurement Notes

Verify the specific package variant associated with the 'LJ' suffix, as datasheets may list PQFP or PLCC options for this family. Confirm RoHS compliance status, as older revisions of the GAL/ispGAL series may not meet current environmental standards. Check for End-of-Life (EOL) notifications from Lattice, as mature SPLD families are frequently discontinued. Ensure programming equipment supports the ISP interface required for E2CMOS devices.

Programmable Logic Device Pld Selection Notes

Select the ISPGAL22V10AV-75LJN when replacing legacy GAL22V10 devices to reduce power consumption while maintaining pinout compatibility. Choose this speed grade (75) if the design requires a maximum propagation delay of 7.5 ns or lower. Consider the 'A' suffix for automotive temperature ranges if applicable, though commercial grades typically cover 0°C to 70°C. Verify that the target application does not require the higher density or different I/O configurations of the ispGAL22V10B or ispGAL22V10C variants.

Programmable Logic Device Pld Part Context

The ispGAL22V10 family represents Lattice's transition from UV-erasable GAL devices to electrically erasable CPLDs/SPLDs. This component serves as a drop-in replacement for the industry-standard GAL22V10, offering significant power reductions (up to 75% vs. bipolar) and reprogrammability without changing the board layout. It bridges the gap between fixed logic gates and larger FPGA architectures.

Programmable Logic Device Pld Replacement Considerations

Direct functional substitutes include the GAL22V10D series for non-reprogrammable needs, though power consumption will increase. For electrically erasable alternatives within the same footprint, verify compatibility with other manufacturers' 22V10 equivalents, ensuring voltage levels and timing characteristics match the 7.5 ns specification.