Overview
The PCF7938XA/C1AB3800 is a transponder IC designed by NXP USA Inc., specifically for use in RFID and immobilizer systems. This component is part of NXP's family of transponder ICs, which are widely used in automotive and security applications. Although the PCF7938XA/C1AB3800 is currently obsolete and no longer manufactured, it remains relevant for existing systems and maintenance purposes.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | PCF7938XA/C1AB3800 |
| Category | RF/IF and RFID |
| Description | IC TRANSPONDER PLLMC |
| Package / Case | Varies by specific variant (e.g., C1AB3800) |
| Operating Frequency | Typically around 125 kHz for immobilizer applications |
| Memory | Includes user-programmable memory for data storage |
| Status | Obsolete and no longer manufactured |
Key Features
- RFID and Immobilizer Functionality: Designed for use in RFID and immobilizer systems, particularly in automotive applications.
- User-Programmable Memory: Includes memory that can be programmed by the user to store specific data.
- PLL (Phase-Locked Loop) Capability: Features a PLL for stable frequency operation.
- Low Power Consumption: Optimized for low power consumption, suitable for battery-powered devices.
- Security Features: Incorporates security mechanisms to prevent unauthorized access and cloning.
Applications
- Automotive Immobilizers: Used in vehicle immobilizer systems to prevent unauthorized engine start.
- RFID Systems: Employed in various RFID applications requiring secure data transmission and storage.
- Security Systems: Utilized in security systems that require secure identification and authentication.
- Access Control Systems: Implemented in access control systems for secure entry and exit management.
Q & A
- What is the PCF7938XA/C1AB3800 used for?
The PCF7938XA/C1AB3800 is used in RFID and immobilizer systems, particularly in automotive applications.
- Who is the manufacturer of the PCF7938XA/C1AB3800?
The manufacturer is NXP USA Inc.
- What is the current status of the PCF7938XA/C1AB3800?
The PCF7938XA/C1AB3800 is obsolete and no longer manufactured.
- What type of memory does the PCF7938XA/C1AB3800 have?
The component includes user-programmable memory.
- What are some common applications of the PCF7938XA/C1AB3800?
Common applications include automotive immobilizers, RFID systems, security systems, and access control systems.
- What is the typical operating frequency of the PCF7938XA/C1AB3800?
The typical operating frequency is around 125 kHz.
- Does the PCF7938XA/C1AB3800 have any security features?
Yes, it incorporates security mechanisms to prevent unauthorized access and cloning.
- Where can I find the datasheet for the PCF7938XA/C1AB3800?
The datasheet can be found on various electronics component distributor websites, such as Ariat-Tech and DigiKey.
- What are some alternatives to the PCF7938XA/C1AB3800?
Alternatives can be found on distributor websites that list substitutes for obsolete components.
- How do I purchase the PCF7938XA/C1AB3800 if it is obsolete?
You may need to contact distributors for any remaining stock or look for substitutes. Some distributors may still have stock available.
