The LC4256V3TN100-5I is a 3.3V Complex Programmable Logic Device (CPLD) from Lattice Semiconductor Corporation, part of the ispMACH 4000V family. Designed for high-performance and low-power applications, it offers a flexible solution for implementing custom logic functions.

Applications:

• Address decoding in memory systems
• I/O interface and expansion
• Glue logic for connecting different system components
• State machine implementation for control logic
• Peripheral control in embedded systems
• Data path control in digital signal processing

Features:

• 3.3V operation for low power consumption
• 256 macrocells for implementing complex logic functions
• 100-pin Thin Quad Flatpack (TQFP) package
• In-system programmable (ISP) capability for easy design changes
• Global clock multiplexing for optimized timing
• Up to 80 user I/O pins for flexible connectivity

Benefits:

• Reduced power consumption compared to 5V devices
• Simplified board design with a compact TQFP package
• Fast prototyping and design iterations through ISP
• High-performance operation for demanding applications
• Flexible I/O configuration to meet diverse system requirements
• Cost-effective solution for custom logic implementation

Additional Details:

The LC4256V3TN100-5I has a propagation delay of around 5ns, allowing for high-speed operation. The device utilizes advanced E2CMOS technology for low power consumption and high reliability. It supports a wide range of I/O standards, including LVTTL and LVCMOS. The '5I' suffix indicates that the device operates over an industrial temperature range (-40°C to +85°C). It is programmed using a JTAG interface. The device is commonly used in networking equipment, industrial automation systems, and telecommunications infrastructure.