ICE40LP4K-CM81TR1K

The ICE40LP4K-CM81TR1K is a member of the iCE40™ LP family of Field Programmable Gate Arrays (FPGAs). It delivers a compact, low-power programmable logic solution with on-chip embedded memory and flexible I/O for low-cost, high-volume consumer and system applications.

Built on the iCE40 LP architecture, this device targets designers who need a small-package, industrial‑grade FPGA with integrated configuration options and a broad set of I/O capabilities for user interfaces, interface bridging, and embedded control.

Key Features

• Logic Capacity — 3,520 logic elements (LUT + flip‑flop) to implement glue logic, frontend control, and moderate-density custom logic functions.
• Embedded Memory — Approximately 80 kbits of on-chip RAM (81,920 total bits) for small buffers, FIFOs, and local storage.
• I/O Count & Flexibility — Up to 63 programmable I/Os with support for a range of interface options provided by the iCE40 sysIO buffer architecture.
• Low Power Process — iCE40 LP family attributes include an advanced 40 nm low power process and standby currents reported as low as 21 μA in the family datasheet.
• Programmable Differential and DDR I/O — Programmable low‑swing differential I/Os, DDR registers in I/O cells and pre‑engineered source‑synchronous I/O for interface timing needs.
• Clocking — Eight low‑skew global clock resources and up to two analog PLLs per device (family specification) for flexible clock management.
• Configuration Options — SRAM configuration via standard SPI interface and internal Nonvolatile Configuration Memory (NVCM) as described for the iCE40 family.
• Package & Mounting — 81‑VFBGA (81‑ucBGA, 4 mm × 4 mm) surface‑mount package, suitable for compact PCB designs.
• Electrical & Thermal — Core supply range 1.14 V to 1.26 V; industrial operating temperature range −40 °C to 100 °C.
• Compliance — RoHS compliant.

Typical Applications

• Consumer and High‑Volume Systems — Compact FPGA logic and on‑chip memory make it well suited for cost‑sensitive, high‑volume consumer devices and system control functions.
• User Interfaces and LED Control — Family features include high‑current LED drivers (family level) suitable for driving indicator LEDs or RGB elements in product UIs.
• I/O Bridging and Glue Logic — Programmable I/Os, differential signaling support, and DDR I/O registers enable interface adaptation and protocol bridging tasks.
• Low‑Power Embedded Designs — Ultra low standby power characteristics (family datapoints) make the device applicable for energy‑sensitive applications.

Unique Advantages

• Compact, Surface‑Mount Package: 81‑VFBGA (4 mm × 4 mm) provides a small PCB footprint for space‑constrained designs.
• Balanced Logic and Memory: 3,520 logic elements combined with approximately 80 kbits of embedded RAM supports moderate logic functions with integrated data storage.
• Flexible I/O and Interface Support: Programmable sysIO buffers and low‑swing differential options support a variety of signaling standards and source‑synchronous interfaces.
• On‑Chip Configuration Options: Support for SPI configuration and internal NVCM gives designers flexible startup and reconfiguration choices.
• Industrial Temperature Range: Rated for −40 °C to 100 °C operation to meet broader environmental requirements.
• Low Power Architecture: Designed on a 40 nm low power process with family standby currents as low as 21 μA, enabling lower system power budgets.

Why Choose ICE40LP4K-CM81TR1K?

The ICE40LP4K-CM81TR1K positions itself as a compact, industrial‑grade FPGA option within the iCE40 LP family, blending moderate logic capacity, embedded memory, and flexible I/O in a small ucBGA package. Its low‑power architecture and on‑chip configuration options suit developers building cost‑sensitive, power‑aware products that require reliable programmable logic and interface flexibility.

Designed for engineers targeting consumer and system applications, this device benefits from the broader iCE40 family featureset—programmable differential I/O, DDR I/O registers, multiple clock resources, and vendor design tools referenced in the family datasheet—providing a practical balance of integration and usability for embedded designs.

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