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Ultra-Low Power Microcontrollers
ML610Q474 family

2013 News Release

February 25, 2013

Bluetooth® v4.0 Low Energy Compatible Wireless Communication LSI Featuring the Industry’s Lowest Current Consumption

Long-term operation even with compact low-capacity batteries

LAPIS Semiconductor has recently announced the development of ultra-low power microcontrollers designed for devices such as security tokens*1that require long-term operation using just coin or dry-cell batteries. The ML610Q474 family features industry-low current consumption (0.25uA in Halt mode*2) – 50% lower than conventional products – along with high noise immunity.


  • *1 : Security token
             An authentication device that generates passwords required for personal authentication in
             networked systems such as internet bankin.
  • *2 : Halt mode
             One of the standby modes of microcontrollers (at 32KHz oscillation).

Security tokens used to generate one-time passwords for the rapidly expanding internet banking market or battery-driven applications such as watches and clocks demand stable operation for years powered with just a single button battery. LAPIS Semiconductor meets this need through an original design that provides the industry's lowest current consumption.

The ML610Q470 series integrates a recently developed internal regulator and oscillator circuit and adopts proprietary low-leakage current processes for the lowest power consumption on the market - ½ that of conventional products. In addition, high noise immunity is ensured through novel internal circuitry and layout (clearing ±30KV* during IEC61000-4-2 noise immunity testing), unlike conventional models that were prone to noise-induced malfunction when the current consumption was lowered. This combination of low current consumption and high noise immunity makes stable long-term operation possible using inexpensive low-capacity coin cell batteries, contributing to lower costs and smaller form factors.

A total support system including an ML610Q474 reference board and software development environment are provided to facilitate evaluation. Additional support tools such as user manuals and tools are offered online (registration required).
*Measured by indirect discharge using a LAPIS Semiconductor reference board

Key Features

  • All functions required for security tokens are integrated into a single chip
  • Equipped with LAPIS Semiconductor’s original high-performance 8bit RISC core
  • Lower power consumption
  • 0.25μA current consumption in Halt mode
  • Integrated 16KB Flash memory (ML610Q474, ML610Q475, and ML610Q476)
    • [ML610474, ML610475, and ML610476 are also offered that include 16kB ROM instead of Flash]
  • Built-in 1KB RAM
  • Packages: Bare die, 80pin TQFP


  • Security tokens
  • watches and clocks
  • toys


  • Part No.
    • ML610Q474 family
  • Sample Shipment
    • Now (samples), March 2013 (OEM quantities)
  • Pricing
    • 200 yen (reference)


For customers' inquiry regarding this release: please go to   the inquiry page

* Information in the press releases is current on the date of the press announcement, but is subject to change without prior notice.

*Please note that the names of companies and products described in this document are the trademarks or registered trademarks
  of their respective companies and organizations.