CYBL11573-76FNXIT

RF Transceiver ICS Overview

The CYBL11573-76FNXIT is an obsolete Bluetooth Low Energy (BLE) programmable radio-on-chip microcontroller from Infineon Technologies. It integrates an ARM Cortex-M0 core operating at a maximum clock frequency of 48 MHz with a 2.4 GHz RF transceiver. The device features 256 kB of program memory and 32 kB of SRAM data RAM. It supports a supply voltage range of 1.8 V to 5.5 V and includes a 12-bit ADC with 24 channels. The component utilizes a QFN-56 package, offers 36 I/O pins, and supports interfaces including I2C, SPI, UART, and I2S.

RF Transceiver ICS Feature Summary

• Integrates an ARM Cortex-M0 processor with a 2.4 GHz BLE radio transceiver on a single chip.
• Provides extensive analog input capabilities through a 12-bit ADC with multiple channels.
• Supports versatile digital communication protocols including I2C, SPI, UART, and I2S.
• Operates within a wide voltage range suitable for various embedded power supplies.

RF Transceiver ICS Applications

• Bluetooth Low Energy wireless sensor nodes
• Wearable health monitoring devices
• Smart home IoT peripherals
• Industrial asset tracking tags

RF Transceiver ICS Procurement Notes

This component is officially classified as obsolete by the manufacturer. Production has ceased, and it is no longer available for new manufacturing designs. Procurement is restricted to existing stock from third-party distributors or surplus markets. Verify authenticity and storage conditions carefully due to potential age-related degradation. Moisture sensitivity requires proper handling if stored improperly. No direct replacement orders can be placed with the original manufacturer.

RF Transceiver ICS Selection Notes

Designers should avoid selecting this part for new projects due to its discontinued status. Evaluate alternative PRoC BLE series components that offer current availability and long-term supply support. Consider migration paths to newer Infineon families with enhanced performance or updated interface options. Ensure any substitute maintains compatibility with existing firmware and hardware constraints while securing future production viability.

RF Transceiver ICS Part Context

The CYBL11573-76FNXIT belongs to the CYBL1XX7X series of programmable radio-on-chip solutions. These devices combine processing and RF functions to simplify system design for wireless applications. This specific model represents an earlier generation of BLE integration, now superseded by newer iterations in the product line. Its architecture targets cost-sensitive applications requiring compact form factors and low power consumption.

RF Transceiver ICS Replacement Considerations

No public confirmed substitute part numbers are documented for this obsolete component. Users must identify equivalent functionality from current Infineon PRoC BLE portfolios or other manufacturers. Cross-reference pinouts and software libraries when evaluating alternatives to ensure seamless integration into existing systems.