ISPLSI 2032VE-225LT44

Complex Programmable Logic Devices Overview

The ispLSI 2032VE-225LT44 is a high-density, in-system programmable logic device (PLD) manufactured by Lattice Semiconductor. It features 1000 PLD gates, 32 I/O pins, and 32 registers within a single Megablock architecture. Built on E2CMOS technology, it operates at a maximum frequency of 225 MHz with a propagation delay of 4.0 ns. The device supports 3.3V supply voltage, interfaces with 5V TTL devices, and includes non-volatile reprogrammability via the IEEE 1149.1 Boundary Scan Test Access Port.

Complex Programmable Logic Devices Feature Summary

• High Density Logic: Contains 1000 PLD gates, 32 Universal I/O pins, and 32 Registers organized into eight Generic Logic Blocks (GLBs).
• In-System Programmability: Supports 3.3V ISP via Boundary Scan TAP for non-volatile logic and interconnect reconfiguration.
• High Performance: Achieves fmax = 225 MHz and tpd = 4.0 ns using High Speed Global Interconnect.
• Mixed Voltage Compatibility: Interfaces directly with standard 5V TTL devices while operating at 3.3V.

Complex Programmable Logic Devices Applications

• Complex state machine implementations requiring fast global interconnectivity.
• Address decoding and wide input gating applications.
• Fast counter designs utilizing small logic block sizes.
• Mixed-voltage system interfacing between 3.3V and 5V logic domains.

Complex Programmable Logic Devices Procurement Notes

Verify product status prior to procurement. According to Product Change Notification #09-10 referenced in the datasheet, the ispLSI 2032VE-225LT44 is listed as Discontinued. Confirm availability through authorized distributors or secondary markets, as new production may not be guaranteed.

Complex Programmable Logic Devices Selection Notes

Select this component for designs requiring 1000 PLD gates with 32 I/Os in a 44-pin TQFP package. Ensure the design utilizes 3.3V logic levels compatible with the E2CMOS architecture. For new designs, consider the ispLSI 2032VE-300 series for higher performance specifications, as recommended by the manufacturer.

Complex Programmable Logic Devices Part Context

This part belongs to the ispLSI 2032VE family, which is fully form and function compatible with the earlier ispLSI 2032V devices. It shares identical timing specifications and packaging options, allowing for direct pin-for-pin replacement in existing designs that utilized the previous generation.

Complex Programmable Logic Devices Replacement Considerations

The datasheet explicitly recommends using the ispLSI 2032VE-300LT44 for new designs due to its superior speed (300 MHz fmax, 3.0 ns tpd). Verify if the -300 variant meets all timing constraints before substitution.

Complex Programmable Logic Devices FAQ

What is the maximum operating frequency for the ispLSI 2032VE-225LT44?

The maximum operating frequency (fmax) is 225 MHz.

How many Generic Logic Blocks (GLBs) are contained in this device?

The device contains eight GLBs (labeled A0 through A7).

Is the ispLSI 2032VE-225LT44 currently in production?

No, according to PCN #09-10 in the datasheet, this specific part number is discontinued.