LFEC3E-4T100I

The LFEC3E-4T100I is an EC Field Programmable Gate Array (FPGA) IC from Lattice Semiconductor Corporation, offered in a 100-pin LQFP surface-mount package. It provides a moderate-density programmable logic fabric with specific electrical and environmental ratings suitable for industrial applications.

Key silicon resources include 3,100 logic elements, approximately 56 kbits of on-chip RAM, and 67 I/Os. The device operates from 1.14 V to 1.26 V and is specified for an operating temperature range of -40 °C to 100 °C.

Key Features

• Core Logic — 3,100 logic elements organized into 384 CLBs, providing the programmable fabric for custom digital logic implementations.
• Embedded Memory — Approximately 56 kbits (56,320 bits) of on-chip RAM for buffering, small data stores, and FIFOs.
• I/O Capacity — 67 user I/Os for direct interfacing with external peripherals and system signals.
• Supply Voltage — Operates from 1.14 V to 1.26 V to match system power domains in low-voltage designs.
• Package & Mounting — 100-LQFP surface-mount package; supplier device package listed as 100-TQFP (14×14), enabling compact PCB layouts.
• Industrial Temperature & Grade — Specified operating range from -40 °C to 100 °C and designated as Industrial grade for harsher environments.
• Environmental Compliance — RoHS compliant.

Typical Applications

• Industrial Control Systems — Implement machine control logic, sequencing, and custom interfaces where industrial temperature range and robust I/O are required.
• Embedded Interface and Glue Logic — Use the programmable fabric and 67 I/Os to consolidate interface translation, bus bridging, and signal conditioning tasks.
• Prototyping and Small-to-Medium FPGA Designs — Rapidly iterate and validate custom digital functions using a compact, surface-mount package.

Unique Advantages

• Industrial-rated reliability: Specified for -40 °C to 100 °C and classified as Industrial grade, supporting deployments in demanding environments.
• Balanced logic and memory: 3,100 logic elements paired with approximately 56 kbits of on-chip RAM for implementations that require both combinational/sequential logic and local storage.
• Moderate I/O count: 67 user I/Os provide flexibility for connecting multiple sensors, peripherals, or external devices without large external glue logic.
• Low-voltage operation: Narrow supply window (1.14 V to 1.26 V) for designs targeting specific low-voltage domains.
• Compact surface-mount footprint: 100-LQFP package enables dense PCB layouts while maintaining accessible pinout for prototyping and production.
• RoHS compliant: Meets environmental compliance requirements for lead-free assembly processes.

Why Choose LFEC3E-4T100I?

The LFEC3E-4T100I positions itself as a compact, industrial-grade FPGA option for designers who need moderate logic density, on-chip memory, and a practical I/O count in a 100-pin surface-mount form factor. Its electrical and temperature specifications make it suitable for embedded and industrial applications that demand predictable behavior across a wide ambient range.

Manufactured by Lattice Semiconductor Corporation, this device suits projects that require a balance of programmable logic resources and a small PCB footprint while maintaining RoHS compliance and industrial temperature capability.

Request a quote or submit a pricing inquiry today to check availability and lead times for the LFEC3E-4T100I.