SN250QT

RF Transceiver ICS Overview

The SN250QT is an obsolete single-chip ZigBee and IEEE 802.15.4 solution manufactured by STMicroelectronics. It integrates a radio transceiver with a microcontroller unit (MCU) to support low-power wireless applications. The device features 128KB of Flash memory and 5KB of SRAM for program and data storage. It operates at the 2.4 GHz ISM band with a receiver sensitivity of -98dBm. Communication interfaces include I²C, SPI, and UART. The component is housed in a 48-VFQFN exposed pad package with dimensions of 7x7 mm.

RF Transceiver ICS Feature Summary

• Integrates RF transceiver and MCU for system-on-chip efficiency
• Supports ZigBee and IEEE 802.15.4 protocols
• Provides multiple serial communication interfaces including SPI, I²C, and UART

RF Transceiver ICS Applications

• ZigBee network node implementation
• IEEE 802.15.4 compliant wireless sensor devices
• Low-power embedded wireless control systems

RF Transceiver ICS Procurement Notes

Verify product status carefully as this specific part number is listed as obsolete in major distributor catalogs. Confirm availability through secondary market channels or authorized surplus suppliers if immediate procurement is required. Ensure that the 48-VFQFN package footprint matches the target PCB design. Review datasheet revisions for any pin-compatible alternatives before finalizing orders.

RF Transceiver ICS Selection Notes

Select this component only for legacy designs requiring integrated ZigBee/802.15.4 functionality with an onboard MCU. Consider the obsolete status when planning long-term production runs. Evaluate the 128KB Flash and 5KB SRAM limits against application firmware requirements. Verify interface compatibility with the host system using the available SPI, I²C, or UART options.

RF Transceiver ICS Part Context

The SN250QT belongs to STMicroelectronics' family of single-chip solutions designed for 2.4 GHz wireless communications. It combines RF front-end capabilities with processing power to reduce external component count. This integration targets developers seeking simplified hardware architectures for IoT and home automation networks adhering to standard protocol stacks.

RF Transceiver ICS Replacement Considerations

No public confirmed substitute part numbers are documented in the provided source material.