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USB2244I-AEZG-06-TR is listed in the Specialized range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC INTERFACE SPECIALIZED 36QFN. Review the specifications below when checking this part for your BOM.
The USB2244I-AEZG-06-TR is a USB 2.0 compliant, Hi-Speed bulk-only mass storage class peripheral controller designed for reading and writing to flash media from the SD and MMC families. It features an integrated 8051 8-bit microprocessor operating at 60 MHz with 64 KB ROM and 14 KB RAM. The device supports a single external 3.3 V supply source, utilizing internal regulators to provide 1.8 V core voltage. It operates within an industrial temperature range of -40°C to +85°C.
Verify that the ordering suffix 'I' confirms the industrial temperature rating (-40°C to +85°C). Confirm the '-AEZG' designation matches the required 36-pin QFN package dimensions. Ensure the '-06-TR' suffix aligns with the specific tape and reel packaging requirements for automated assembly processes.
Select this component when designing systems requiring dedicated SD/MMC interface support without multiplexed xD or Memory Stick pins. Verify compatibility with the target host operating system drivers, such as Windows XP, Vista, Mac OS X, or Linux Mass Storage Class. Evaluate if the integrated 8051 processor meets the firmware execution requirements for the intended media handling logic.
This part belongs to the Microchip USB224x family of ultra-fast USB 2.0 multi-format flash media controllers. While other variants in the series support xD-Picture Card or Memory Stick interfaces via multiplexed pins, the USB2244I variant is specifically optimized for direct SD and MMC connections.
Public confirmed substitute part numbers are not available in the provided documentation.
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