PCF7947AT/1081/CM:

RF Transmitter Overview

The PCF7947AT/1081/CM is an integrated circuit manufactured by NXP Semiconductors, classified as an RF transmitter and security transponder. It features a 128-bit programmable memory capacity for data storage within the device architecture. The component is housed in a 14-pin SOIC package with a width of 3.90mm (0.154 inches). It operates using Silicon technology and complies with RoHS standards. The part is designated for remote keyless entry applications, functioning as an antenna interface for RF communication systems.

RF Transmitter Feature Summary

• Integrated security transponder functionality for remote keyless entry systems
• Built-in programmable memory for secure data handling
• Designed for antenna-based RF transmission interfaces

RF Transmitter Applications

• Remote keyless entry systems
• Security transponder implementations
• RFID tag integration

RF Transmitter Procurement Notes

Verify the specific ordering suffix and package variant to ensure compatibility with the target PCB footprint. Confirm current availability status as supply conditions may vary across distributors. Check RoHS compliance documentation for regulatory requirements. Ensure the selected variant matches the required pin configuration and thermal characteristics for the intended assembly process.

RF Transmitter Selection Notes

Select this component for applications requiring integrated RF transmission and secure memory in a compact surface-mount package. Consider the 14-pin SOIC form factor for space-constrained designs. Evaluate the 128-bit memory requirement against system security needs. Verify that the silicon technology and operating parameters align with the overall system architecture and environmental conditions.

RF Transmitter Part Context

This part belongs to the PCF794x series of RF transmitters and transponders from NXP Semiconductors. These components are designed for automotive and security applications requiring reliable short-range communication. The series typically integrates transmitter functions with memory capabilities for identification purposes.

RF Transmitter Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official NXP documentation or authorized distributors for verified cross-reference information before considering alternative components.