PALLV22V10Z-25JI

Overview

The PALLV22V10Z-25JI is an electrically erasable programmable logic device (EE PLD) manufactured by Lattice Semiconductor Corporation. It utilizes advanced PAL architecture built with low-voltage, high-speed CMOS technology. The component features a configuration of 12 dedicated inputs and 10 I/O lines, organized into 10 macrocells. It operates within a supply voltage range of 3.3 V nominal and supports a maximum clock frequency of 33.3 MHz. The propagation delay is specified at 25 ns. The device is housed in a 28-pin Plastic Quad Flat Package (PQCC), also identified as 28-PLCC, with dimensions of 11.51x11.51 mm. It functions reliably across an industrial temperature range from -40 °C to 85 °C.

Feature Summary

• Built with low-voltage, high-speed electrically erasable CMOS technology for efficient power consumption and rapid signal processing.
• Features reprogrammable cells with unique test circuitry, allowing for multiple design iterations and field updates without hardware replacement.
• Fully function, fuse map, and parametric compatible with standard bipolar and CMOS 22V10 devices, ensuring seamless integration into existing designs.

Applications

• Complex glue logic implementation in digital circuits
• Address decoding and chip select generation
• State machine control in embedded systems
• Interface translation between different logic families

Procurement Notes

Verify the specific suffix 'JI' against the manufacturer's current ordering information to confirm package type and temperature grade alignment. Ensure that the design environment supports EE PLD programming requirements. Confirm RoHS compliance status through official documentation, as older variants may differ. Cross-reference pinout diagrams with the latest datasheet to avoid layout errors during PCB assembly.

Selection Notes

Select this component when designing systems requiring reprogrammable logic with standard 22V10 compatibility. It is suitable for applications needing moderate I/O counts and fast propagation delays. Consider the 28-PLCC package constraints for board space. Evaluate if the 3.3 V operating voltage aligns with the system's power rails. This device serves as a direct drop-in replacement for legacy GAL22V10 designs where electrical erasability is required.

Part Context

The PALLV22V10 series represents an evolution of the classic GAL22V10 architecture, integrating EEPROM technology for non-volatile, reprogrammable logic. Manufactured by Lattice Semiconductor, it bridges the gap between fixed-function PALs and complex FPGAs. The Z suffix typically denotes commercial/industrial temperature ranges, while JI indicates the plastic quad flat package variant. It belongs to the broader family of low-power programmable logic solutions designed for cost-sensitive applications.

Replacement Considerations

The GAL22V10D-25QJ is documented as fully function and parametric compatible. Verify pin-to-pin equivalence before substitution. Other variants in the PALLV22V10Z series may offer different package options or speed grades. Ensure that any substitute part maintains the same voltage and temperature specifications.