Overview
The PCF7947AT/1081/CM is a microcontroller transponder IC designed by NXP USA Inc., formerly part of Freescale. This component is specifically tailored for use in immobilizer and keyless entry systems, particularly in the automotive sector. It integrates advanced security features and a phase-locked loop (PLL) for robust and reliable operation. The IC is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) package, making it compact and suitable for a variety of applications where space is limited.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | PCF7947AT/1081/CM |
| Package Type | 14-pin SOIC |
| Description | IC MCU TRANSPONDER |
| Category | RF/IF and RFID |
| Operating Voltage | Typically 2.5V to 5.5V |
| Operating Temperature | -40°C to 85°C |
| Frequency Range | Typically 125 kHz for LF applications |
Key Features
- Advanced Security: The PCF7947AT/1081/CM includes sophisticated security mechanisms to prevent unauthorized access and ensure the integrity of the system.
- Phase-Locked Loop (PLL): The integrated PLL enhances the stability and accuracy of the transponder's frequency, ensuring reliable communication.
- Low Power Consumption: Designed to operate with low power, making it suitable for battery-powered applications.
- Compact Packaging: The 14-pin SOIC package is ideal for applications where space is a constraint.
- Immobilizer and Keyless Entry Support: Specifically designed for use in automotive immobilizer and keyless entry systems.
Applications
The PCF7947AT/1081/CM is primarily used in the automotive industry for immobilizer and keyless entry systems. It is also applicable in other secure access control systems, such as:
- Automotive keyless entry and immobilizer systems.
- Secure access control systems.
- RFID and transponder applications requiring high security.
Q & A
- What is the primary function of the PCF7947AT/1081/CM?
The primary function is to act as a microcontroller transponder in immobilizer and keyless entry systems. - Who is the manufacturer of the PCF7947AT/1081/CM?
The manufacturer is NXP USA Inc. - What is the package type of the PCF7947AT/1081/CM?
The package type is 14-pin SOIC. - What is the typical operating voltage range for the PCF7947AT/1081/CM?
The typical operating voltage range is 2.5V to 5.5V. - What is the operating temperature range for the PCF7947AT/1081/CM?
The operating temperature range is -40°C to 85°C. - What is the frequency range for the PCF7947AT/1081/CM?
The frequency range is typically 125 kHz for LF applications. - What are the key security features of the PCF7947AT/1081/CM?
The IC includes advanced security mechanisms and a phase-locked loop (PLL) for enhanced security and stability. - Is the PCF7947AT/1081/CM suitable for low power applications?
Yes, it is designed to operate with low power consumption. - What are the common applications of the PCF7947AT/1081/CM?
Common applications include automotive immobilizer and keyless entry systems, and other secure access control systems. - Where can I find detailed specifications and datasheets for the PCF7947AT/1081/CM?
Detailed specifications and datasheets can be found on the NXP website, Digi-Key, and other electronic component distributors.
