ML67Q5250-NNNLAGZ3A

Application Specific Microcontrollers Overview

The ML67Q5250 is a single-chip LSI designed for fingerprint authentication, integrating an ARM7TDMI CPU and a DFT-based fingerprint accelerator. It supports up to 15 enrolled fingerprints in its embedded Flash memory without requiring external storage when using slide sensors. The device features a 32-bit RISC processor running at 32 MHz, driven by a 12 MHz input clock via PLL. Key specifications include 16 KB of working RAM, 128 KB of internal Flash ROM (64 KB program, 64 KB data), and a USB 2.0 full-speed interface. It operates within a core voltage range of 2.25 V to 2.75 V and I/O voltage of 3.0 V to 3.6 V.

Application Specific Microcontrollers Feature Summary

• DFT-based fingerprint authentication accelerator licensed from Precise Biometrics
• ARM7TDMI 32-bit RISC CPU with JTAG debugging support
• Embedded 128 KB Flash ROM storing up to 15 fingerprint templates
• USB 2.0 Full-Speed Device interface with DMA support

Application Specific Microcontrollers Applications

• Fingerprint authentication systems using AuthenTec slide sensors
• Touch sensor-based biometric security devices
• Smart card interfaces compliant with ISO7816 and EMV standards

Application Specific Microcontrollers Procurement Notes

Verify the specific ordering suffix for package configuration and supply status. Confirm that the component meets the required environmental operating temperature range of -40°C to +85°C for your application design.

Application Specific Microcontrollers Selection Notes

Select this LSI for applications requiring standalone fingerprint processing without external memory constraints. Ensure the host system provides a stable 12 MHz oscillator and appropriate power supplies for VDD_CORE and VDD_IO. Consider external memory requirements if utilizing touch sensors instead of slide sensors.

Application Specific Microcontrollers Part Context

This component belongs to the ML67Q5250 series of fingerprint authentication LSIs. It utilizes a Discrete Fourier Transform algorithm for high accuracy and low false enrollment rates. The device integrates secure circuits to protect enrolled data from unauthorized access.

Application Specific Microcontrollers Replacement Considerations

No direct replacement part numbers are documented in the provided source material.