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CYW4343WKUBGT 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 79WLBGA. Review the specifications below when checking this part for your BOM.
RF Transceiver ICS specifications for CYW4343WKUBGT
- Description：IC RF TXRX+MCU BLE 79WLBGA
- Series：WICED
- Mfr：Infineon Technologies
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：TxRx + MCU
- RF Family/Standard：Bluetooth, WiFi
- Protocol：802.11b/g/n, Bluetooth v4.0
- Modulation：8DPSK, DQPSK, GFSK
- Frequency：2.4GHz
- Data Rate (Max)：54Mbps
- Power - Output：21dBm
- Sensitivity：-99dBm
- Memory Size：640kB ROM, 512kB SRAM
- Serial Interfaces：I2S, SPI, UART
- Voltage - Supply：1.2V ~ 3.3V
- Current - Receiving：37mA ~ 41mA
- Current - Transmitting：260mA ~ 320mA
- Operating Temperature：-30°C ~ 70°C
- Mounting Type：Surface Mount
- Package / Case：79-XFBGA, WLBGA
- Supplier Device Package：79-WLBGA (4.87x2.87)
- GPIO：5
- Grade：-
- Qualification：-
RF Transceiver ICS datasheet and documents for CYW4343WKUBGT
RF Transceiver ICS Overview
The CYW4343WKUBGT is a radio frequency microcontroller from Infineon Technologies, part of the AIROC WICED series. It integrates Wi-Fi 4 (802.11b/g/n) and Bluetooth v4.0 capabilities in a single chip. The device operates at 2.4GHz with a maximum data rate of 54Mbps for Wi-Fi and supports SDIO/SPI interfaces. It features 640kB ROM and 512kB SRAM. The component is housed in a 79-WLBGA package measuring 4.87x2.87mm. Supply voltage ranges from 1.2V to 3.3V, with receive current between 37mA and 41mA, and transmit current between 260mA and 320mA. Operating temperature spans -30°C to 70°C.
RF Transceiver ICS Feature Summary
- Integrates Wi-Fi 4 and Bluetooth v4.0 connectivity within a single system-on-chip architecture.
- Includes an embedded microcontroller unit with substantial onboard memory resources.
- Supports standard wireless protocols including 802.11b/g/n and Bluetooth Classic.
- Offers flexible digital interface options such as SPI and SDIO for host connection.
RF Transceiver ICS Applications
- IoT sensor nodes requiring combined wireless communication
- Smart home devices needing Wi-Fi and Bluetooth control
- Industrial monitoring systems with RF MCU requirements
RF Transceiver ICS Procurement Notes
Verify component status carefully as this part is marked Not Recommended for New Designs. Confirm availability through authorized distributors only. Check for end-of-life notifications or discontinuance notices prior to procurement. Ensure compatibility with existing design constraints if replacing older units. Validate packaging specifications against manufacturing requirements.
RF Transceiver ICS Selection Notes
Select this component for legacy designs utilizing the CYW4343 family. Consider pinout and software compatibility with existing WICED implementations. Evaluate power consumption profiles against application needs. Assess thermal performance within the specified operating temperature range. Verify interface signal levels match the host processor capabilities.
RF Transceiver ICS Part Context
This RF microcontroller belongs to Infineon's AIROC WICED portfolio, designed for wireless IoT applications. It combines baseband processing with a microcontroller core. The series targets cost-sensitive markets requiring dual-mode connectivity. Development tools and SDKs are typically provided by the manufacturer for integration.
RF Transceiver ICS Replacement Considerations
Public confirmed substitute: CYW43439KUBGT. Verify functional equivalence and pin compatibility before substitution. Review updated datasheets for any specification changes. Ensure software migration paths are available for new components.
RF Transceiver ICS FAQ
What is the maximum Wi-Fi data rate supported by this chip?
The CYW4343WKUBGT supports a maximum Wi-Fi data rate of 54Mbps under the 802.11n standard.
Does this component support Bluetooth Low Energy?
No, the CYW4343WKUBGT specifically supports Bluetooth v4.0, which primarily refers to Bluetooth Classic in this context, not BLE.
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