ISPGAL22V10AB-5LNI

Programmable Logic Device Pld Overview

The ispGAL22V10AB-5LNI is a discontinued in-system programmable low voltage E2CMOS PLD from Lattice Semiconductor. It operates at a 2.5V supply with a 5.0ns maximum propagation delay and Industrial temperature grade (-40°C to 105°C). The device features 132 AND-gate terms, 10 Output Logic Macrocells (OLMCs), and IEEE 1149.1 boundary scan testability. It supports hot socketing, open-drain outputs, and individually programmable slew rates.

Programmable Logic Device Pld Feature Summary

• In-system programmable via IEEE 1532 compliant interface
• Industrial temperature range (-40°C to 105°C)
• Hot socketing capability for active signal tolerance
• Programmable output slew rate control

Programmable Logic Device Pld Applications

• DMA control
• State machine control
• High speed graphics processing
• Software-driven hardware configuration

Programmable Logic Device Pld Procurement Notes

This component has been officially discontinued under Product Change Notification (PCN) #09-10. Verification of availability requires checking authorized distributors or secondary market suppliers such as Rochester Electronics. Designers should evaluate the recommended replacement family, the ispMACH 4000V series, for new projects.

Programmable Logic Device Pld Selection Notes

Select this part only for legacy system maintenance where the specific 2.5V core voltage and 5.0ns timing are required. Ensure the design accommodates the Industrial temperature grade. For new designs, transition to the ispMACH 4000V series as advised by Lattice Semiconductor.

Programmable Logic Device Pld Part Context

The ispGAL22V10A family represents an evolution of the standard GAL22V10 architecture using advanced E2CMOS technology. It provides functional compatibility with bipolar and UVCMOS 22V10 devices while offering significantly lower power consumption and reprogrammability through electrically erasable floating gate cells.

Programmable Logic Device Pld Replacement Considerations

Lattice recommends the ispMACH 4000V series as the direct replacement for the ispGAL22V10A family. This successor maintains architectural similarities while utilizing more modern process technologies.

Programmable Logic Device Pld FAQ

What does the 'I' suffix indicate in the part number?

The 'I' suffix denotes the Industrial temperature grade, indicating the device is rated for operation between -40°C and 105°C.

How many product terms are available per OLMC?

The ten OLMCs have variable access: two have eight terms, two have ten, two have twelve, two have fourteen, and two have sixteen product terms.

Is the device compatible with 5V I/O signals?

Yes, the ispGAL22V10AB supports 5V tolerant I/O for LVCMOS 3.3 interfaces, allowing it to interface with higher voltage logic levels.