Weebit ReRAM NVM in SkyWater 130nm CMOS

Silicon-Proven IP for Your Next-Generation Design

Weebit ReRAM is now fully qualified and available in SkyWater Technology’s 130nm CMOS process (S130).

SkyWater customers can integrate this Non-Volatile Memory (NVM) IP in their highly integrated SoCs at ultra-low power for a new generation of advanced products.

Memory Module Key Metrics

Working with our partner SkyWater, we’ve proven the Weebit ReRAM IP module in S130 silicon, and it’s ready for production. Final qualification is underway.

Here are the key metrics for the ReRAM module at S130. This module was designed in a modular approach, allowing various customization options upon customer request.

Technology 130nm, SkyWater S130
Mask Adder 2
Supply Voltage 1.8V Read, 1.8V+3.3/3.6V Program
Read Access Time <20nsec
Operation Temp. -40°C - 125°C (can be extended to -55°C)
Capacity 256 Kbit (can be customized for 128Kbit - 2Mbit)
Data Bus Width (Read) 32-bit (can be customized to 16-bit to 128-bit)
System Interface APB (can be customized AHB / AXI / OBI / QSPI)
Endurance (Write cycles) 10K
Data Retention ≥10 years @125°C

Key Benefits

A broad range of applications

Weebit ReRAM IP for the SkyWater S130 process can provide advantages for a broad number of customer applications including:

SkyWater S130

SkyWater is a U.S.-based semiconductor manufacturer and a DMEA-accredited Category 1A Trusted Foundry. The company’s proven CMOS technologies have enabled novel and disruptive products across demanding automotive, industrial, medical and defense markets for decades. These technologies run in high volume and at world-class quality levels, as demonstrated by SkyWater’s numerous quality-driven certifications.

SkyWater’s 130nm technology node is a dual-gate technology with 1.8V and 3.3V/5.0V devices. The technology supports up to five aluminum metal layers; and is mixed-signal enabled with native, extended drain, NPN and PNP BJTs, inductors, MIMs, etc. The technology offers a variety of thresholds to optimize for power and performance.


Learn more about SkyWater’s 130nm CMOS process.

Increase your differentiation. Reduce your risk.

Weebit ReRAM (or RRAM) can provide a high level of differentiation for your design, with performance, power, cost, security, environmental, and a range of additional advantages compared to flash and other NVMs.

Weebit ReRAM IP is delivered as an embedded module with a complete set of collateral and EDA views to enable smooth integration by SoC architects using state-of-the-art EDA tools. Upon request, the module is available as part of a complete subsystem including a RISC-V microcontroller (MCU), system interfaces, Static Random-Access Memory (SRAM), and peripherals.

Weebit ReRAM technology is highly scalable and customizable by storage capacity, foundry and process node. In addition to being available in SkyWater’s 130nm CMOS process, the technology is fully qualified in 130nm in CEA-Leti’s state-of-the-art fab. It has also been proven in 28nm and taped-out in an advanced 22nm FD-SOI process.