USB2640-HZH-02

Specialized Overview

The Microchip USB2640-HZH-02 is a USB 2.0 compliant Hi-Speed hub controller integrated with a multi-format flash media reader/writer. It features three downstream ports: one dedicated to an internally connected ultra-fast flash media reader/writer and two exposed ports for external peripheral expansion. The device supports SD, MMC, Memory Stick, and xD-Picture Card formats (USB2640 variant). It includes a single-chip solution with an 8051 microprocessor, 64 KB ROM, and 9 KB RAM. The package is a 48-pin QFN measuring 7 x 7 mm.

Specialized Feature Summary

• Integrated USB 2.0 Hi-Speed hub controller with two exposed downstream ports for external peripheral expansion.
• Multi-format flash media controller supporting Secure Digital, MultiMediaCard, Memory Stick, and xD-Picture Card interfaces.
• Hardware-controlled data flow architecture with PortMap, PortSwap, and PHYBoost programmable features.
• OEM-configurable via external I2C EEPROM or SPI Flash ROM with customizable vendor and product identifiers.

Specialized Applications

• Desktop and mobile PCs
• Personal mobile devices
• Printers
• GPS navigation systems
• Media Players/Viewers

Specialized Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to ensure correct configuration options. Confirm that the component meets RoHS compliance requirements for your target market. Check for any applicable errata sheets related to silicon revisions before finalizing procurement plans.

Specialized Selection Notes

Select this component when a combined USB hub and flash media card reader solution is required in a compact form factor. Ensure the design supports the necessary 3.3 V supply and 24 MHz crystal oscillator. Verify compatibility with the specific flash media types needed, noting that xD support is exclusive to the USB2640 variant.

Specialized Part Context

This part belongs to the USB2640/USB2641 family of ultra-fast USB 2.0 multi-format flash media controllers and hub combos. The USB2640 variant includes support for xD-Picture Cards, whereas the USB2641 does not. Both share identical pinouts and core functionalities for USB expansion and flash media access.

Specialized Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Designers should consult Microchip Technology directly for potential cross-references or updated product line replacements.