LC4256V-10TN144I

Complex Programmable Logic Devices Overview

The LC4256V-10TN144I is a Complex Programmable Logic Device (CPLD) from the Lattice MachXO/LC4000V family, housed in a TQFP-144 surface-mount package. It features 256 macrocells and supports up to 96 I/O pins. The device operates at a maximum frequency of 322 MHz with a typical propagation delay of 5 ns. It functions within a supply voltage range centered around 3.3 V and is rated for industrial temperature operation between 0°C and +85°C.

Complex Programmable Logic Devices Feature Summary

• High-density CPLD architecture with 256 macrocells for complex logic implementation
• Supports high-speed digital design with 322 MHz operating capability
• Industrial temperature range rating for robust environmental performance
• TQFP-144 packaging suitable for space-constrained surface-mount applications

Complex Programmable Logic Devices Applications

• High-speed interface bridging in communication equipment
• Complex glue logic replacement in industrial control systems
• Address decoding and bus buffering in computing architectures
• State machine implementation in automotive electronics

Complex Programmable Logic Devices Procurement Notes

Verify the specific suffix 'I' confirms industrial temperature grade (-40°C to +85°C) versus commercial grade if datasheet specifies different ranges. Confirm the 'TN' package code corresponds to Thin Quad Flat Package with leads. Check for RoHS compliance status as manufacturing processes evolve. Ensure ESD handling protocols are followed during assembly due to CMOS technology sensitivity.

Complex Programmable Logic Devices Selection Notes

Select this component when 256 macrocells provide sufficient logic density without the complexity of FPGA flows. The 322 MHz speed class suits moderate-to-high frequency synchronous designs. Compare against LC4256V-5 variant if lower power or cost is prioritized over maximum speed. Verify I/O count requirements fit within the 96 available pins on the 144-pin package.

Complex Programmable Logic Devices Part Context

This part belongs to the Lattice LC4000V series, designed as a drop-in replacement for older GAL and PAL devices while offering significantly higher density. The MachXO/LC4000V family bridges the gap between simple PLDs and FPGAs, providing non-volatile configuration and instant-on capabilities. It targets applications requiring deterministic timing and low standby power.

Complex Programmable Logic Devices Replacement Considerations

Direct pin-compatible replacements may exist within the same LC4256V series with different speed grades (e.g., -7, -10). Cross-reference with Lattice's official obsolescence notices for end-of-life status. Consider newer MachXO3 or CrossLink-NX families for enhanced security features or higher I/O counts, though pinouts may differ.