The TDA8004TD-T from NXP Semiconductors is a robust smart card interface IC designed to facilitate secure communication between a smart card and a microcontroller or microprocessor in various applications. This integrated circuit is specifically engineered to meet the stringent requirements of smart card-based transactions in payment systems, access control, identity verification, and other secure data exchange applications.
Key Features
- ISO 7816 Compliance: Fully compliant with ISO 7816, T=0 and T=1 protocols, ensuring compatibility with a wide range of smart cards.
- Supply Voltage Range: Operates over a broad supply voltage range from 2.7V to 6V, accommodating various system power supplies.
- Card Detection: Incorporates card detection features with automatic activation and deactivation sequences, simplifying the design of the card interface.
- ESD Protection: Built-in Electrostatic Discharge (ESD) protection enhances the durability and longevity of the device in harsh environments.
- Programmable Current Limiting: Offers programmable current limiting for the card supply (VCC), ensuring the protection of both the card and the interface.
- Low Power Consumption: Designed for low power consumption, making it suitable for battery-operated devices.
Applications
The TDA8004TD-T is ideal for a variety of applications that require secure data transactions. These include:
- Point of Sale (POS) terminals
- ATM machines
- Identification and access control systems
- Public transportation payment systems
- Healthcare information systems
Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2.7V to 6V |
| Communication Protocols |
ISO 7816, T=0 and T=1 |
| Package |
SO20 (Small Outline) |
| ESD Protection |
Yes |
| Operating Temperature |
-25°C to +85°C |
With its combination of versatility, robust protection features, and compliance with industry standards, the NXP TDA8004TD-T smart card interface is a top choice for developers seeking to integrate secure smart card solutions into their products.