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CYW4334WKUBGT is listed in the RF Transceiver ICS range at ChipApex. The manufacturer field lists Infineon Technologies. Its product description is IC RF TXRX+MCU BLE 109WLBGA. Review the specifications below when checking this part for your BOM.
The CYW4334WKUBGT is a radio frequency microcontroller integrating an RF transceiver and MCU, manufactured by Infineon Technologies. It supports Wi-Fi 802.11b/g/n and Bluetooth v4.0 protocols operating at 2.4GHz. The device features a data rate of up to 150Mbps with an output power of 11dBm. It includes 640kB ROM and 512kB SRAM memory. Supply voltage ranges from 1.2V to 3.3V. Receive current is 39mA and transmit current is 60mA. Sensitivity is -95.5dBm. Operating temperature spans -30°C to 85°C. The package is a 109-UFBGA/WLBGA (4.08x4.48mm). Interfaces include I2S, SPI, and UART. GPIO count is 8.
Verify component status carefully as this part is marked as End-of-Life (EOL) and obsolete. Confirm availability through authorized distributors or secondary markets, noting that new production has ceased. Ensure compatibility with existing designs before procurement due to discontinuation risks.
Select this component only for legacy system maintenance or specific design-in scenarios where its discontinued status is acceptable. Evaluate alternative Infineon AIROC series chips for new designs to ensure long-term supply stability and support.
This model belongs to the Infineon WICED and AIROC families of wireless connectivity solutions. It represents a highly integrated solution combining radio frequency transmission/reception with processing capabilities, designed to reduce board space and complexity in wireless embedded systems.
Public confirmed substitute part numbers are not explicitly listed in the provided documentation. Consult official Infineon resources for current AIROC series alternatives suitable for new designs.
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