LC4032V-25TN48C

Overview

The LC4032V-25TN48C is a Complex Programmable Logic Device (CPLD) from the Lattice ispMACH 4000V family. It features 32 macrocells and supports up to 32 I/Os in a 48-pin TQFP package. The device operates at a maximum frequency of 400 MHz with a typical propagation delay of 2.5 ns. It utilizes a 3.3 V core voltage and supports 5 V tolerant I/Os, compatible with LVCMOS 3.3, LVCMOS 2.5, LVCMOS 1.8, and LVTTI standards. The component is designed for surface mount installation and functions within an operating temperature range of 0°C to +70°C.

Feature Summary

• High-performance architecture supporting clock frequencies up to 400 MHz
• 32 macrocells with global and output routing resources for predictable timing
• 5 V tolerant I/Os enabling direct interface with legacy systems
• Supports In-System Programming (ISP) via JTAG interface

Applications

• Protocol conversion between different logic families
• Address decoding and bus bridging in embedded systems
• State machine implementation for industrial control
• Glue logic replacement in high-density designs

Procurement Notes

Verify the specific suffix '25' indicates the speed grade corresponding to the 2.5 ns propagation delay. Confirm the 'TN48' designation matches the 48-pin Thin Quad Flat Package (TQFP) with 0.5 mm pin pitch. Ensure the 'C' suffix aligns with the commercial temperature range specifications required by the application environment.

Selection Notes

Select this model when 32 macrocells are sufficient for the design complexity. The 400 MHz performance suits applications requiring fast combinatorial or registered logic. Choose the TQFP-48 package if board space allows for through-hole or standard SMT assembly with 0.5 mm pitch constraints. Verify that the 3.3 V core voltage is compatible with the system power budget.

Part Context

This part belongs to the ispMACH 4000V series, which integrates the architecture of previous ispLSI 2000 and ispMACH 4A devices. The series focuses on low-power, superfast CPLD solutions. The 'V' suffix typically denotes the 3.3 V core voltage variant within the broader ispMACH 4000 family, distinguishing it from 2.5 V or 1.8 V core versions.

Replacement Considerations

Direct functional replacements within the same family include the LC4032V-75TN48C, which offers a slower speed grade but identical pinout and logic resources. Other members of the LC4032V series with different package options may serve as alternatives if form factor changes are acceptable.