ISPLSI 2032A-80LT48I

Complex Programmable Logic Devices Overview

The ispLSI 2032A-80LT48I is a high-density, in-system programmable complex programmable logic device (CPLD) manufactured by Lattice Semiconductor. It utilizes advanced 0.35-micron E2CMOS technology to provide non-volatile reprogrammability with 1000 PLD gates, 32 universal I/O pins, two dedicated inputs, and three dedicated clock inputs. The device features eight Generic Logic Blocks (GLBs), each containing four macrocells, interconnected via a Global Routing Pool. Designed for commercial operation within a 4.75V to 5.25V supply range, the -80 speed grade supports a maximum operating frequency of 84 MHz and a typical propagation delay of 10 ns. The 'I' suffix denotes an industrial temperature rating of -40°C to +85°C, housed in a 48-pin Thin Quad Flat Package (TQFP).

Complex Programmable Logic Devices Feature Summary

• High Density Logic: Contains 1000 PLD gates organized into 8 GLBs with 32 registers and wide input gating capabilities.
• In-System Programmability: Supports ISP™ via IEEE 1149.1 JTAG interface for non-volatile reprogramming without removal from the board.
• High Performance: Achieves up to 84 MHz maximum operating frequency with a 10 ns typical propagation delay using 0.35 µm E2CMOS technology.
• Flexible I/O Configuration: Features 32 universal I/O pins, two dedicated inputs, and three dedicated clock pins with programmable slew rate control.

Complex Programmable Logic Devices Applications

• Glue logic replacement in digital systems
• Address decoding and bus bridging
• State machine implementation
• Fast counter designs

Complex Programmable Logic Devices Procurement Notes

Verify the specific ordering suffix against current manufacturer documentation, as package options and lead-free variants may have changed. Confirm availability status, as some devices in this family have been discontinued or replaced by newer series like ispLSI 2032E. Ensure the industrial temperature grade (-40°C to +85°C) matches the target application environment requirements before procurement.

Complex Programmable Logic Devices Selection Notes

Select the ispLSI 2032A-80LT48I when designing systems requiring moderate density logic with non-volatile configuration and in-system reprogrammability. The -80 speed grade is suitable for applications operating up to 84 MHz. Compare against the successor ispLSI 2032E if new designs are required, as it offers enhanced performance and features. Ensure the 48-pin TQFP footprint fits the PCB layout constraints.

Complex Programmable Logic Devices Part Context

This component belongs to the ispLSI 2000A family of CPLDs, which are built on 0.35-micron E2CMOS technology. The 'A' designation indicates enhancements over the original ispLSI 2032 while maintaining functional compatibility. The family emphasizes ease of use, fast system speeds, and field programmability, serving as a bridge between simple PLDs and larger FPGAs.

Complex Programmable Logic Devices Replacement Considerations

The datasheet explicitly recommends using the ispLSI 2032E for new designs due to its superior performance characteristics. Verify if the ispLSI 2032E series provides a pin-compatible or functionally equivalent alternative that meets the timing and I/O requirements of the current design.