ISPGAL22LV10-4LK

Programmable Logic Device Pld Overview

The ISPGAL22LV10-4LK is a low-voltage In-System Programmable Generic Array Logic device from Lattice Semiconductor. It features 10 macrocells and supports up to 22 I/O pins within a 32-pin PLCC package. The device operates at supply voltages between 2.7V and 3.6V, ensuring compatibility with modern low-power systems. It offers high-speed performance with a maximum propagation delay of 4ns under the -4 speed grade. Key specifications include 10,000 usable gates and support for both positive and negative logic functions across its programmable interconnect array.

Programmable Logic Device Pld Feature Summary

• Supports In-System Programming via JTAG interface for flexible field updates
• Operates on a single 3.3V power supply with 5V tolerant I/O capabilities
• Contains 10 macrocells arranged in a 22-pin I/O configuration
• Features fast 4ns propagation delay suitable for high-frequency logic applications

Programmable Logic Device Pld Applications

• Address decoding and bus interfacing in embedded systems
• Logic replacement for legacy TTL/CMOS circuits in industrial control
• State machine implementation for communication protocol controllers

Programmable Logic Device Pld Procurement Notes

Verify the specific suffix codes against official Lattice documentation to confirm package type and temperature range. Ensure that the programming toolchain supports the ispGAL22LV10 architecture for successful configuration. Check for RoHS compliance markings if environmental regulations apply to the target assembly process.

Programmable Logic Device Pld Selection Notes

Select this component when a small number of macrocells are required for complex combinational or sequential logic. The -4 speed grade is appropriate for designs requiring sub-5ns delays. Consider the 32-pin PLCC footprint constraints during PCB layout planning. Verify voltage levels match the 2.7V to 3.6V operating range of the system.

Programmable Logic Device Pld Part Context

This part belongs to the ispGAL22LV family, which provides low-voltage alternatives to older GAL devices. It serves as a drop-in replacement for many standard PAL/GAL applications while offering reprogrammability. The series is designed for cost-sensitive applications requiring moderate logic density and high reliability.

Programmable Logic Device Pld Replacement Considerations

Direct pin-compatible replacements may exist within the same ispGAL family with different speed grades or I/O counts. Verify electrical characteristics such as output drive strength and input thresholds before substituting. Cross-reference with Lattice's obsolescence notices to ensure long-term availability.