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The TDA8000 is a smart card interface IC manufactured by NXP Semiconductors. Below are the factual details about its specifications, descriptions, and features:

Manufacturer:

• NXP Semiconductors

Specifications:

1. Supply Voltage:

• Operating: 2.7V to 5.5V
• Smart Card Supply: 1.8V, 3V, or 5V (programmable)

2. Current Consumption:

• Low-power standby mode available

3. Smart Card Interface:

• ISO/IEC 7816-3 compliant
• Supports asynchronous T=0 and T=1 protocols
• Automatic activation and deactivation sequence

4. Data Rates:

• Supports up to 1.5 Mbps (depending on clock frequency)

5. Clock Generation:

• On-chip oscillator with external crystal (4–20 MHz)
• Programmable clock divider for smart card clock

6. I/O Voltage Levels:

• 5V, 3V, or 1.8V smart card supply (adjustable)

7. Protection Features:

• Short-circuit protection on all card contacts
• Thermal shutdown
• Overvoltage and undervoltage detection

8. Package:

• SO20 (Small Outline 20-pin package)

Descriptions:

• The TDA8000 is a dedicated smart card reader interface IC designed for secure transactions.
• It provides a complete interface between a microcontroller and a smart card, handling power management, data communication, and protection mechanisms.
• Suitable for banking terminals, ID cards, pay-TV systems, and other secure access applications.

Features:

• Integrated Voltage Regulator: Supports 1.8V, 3V, or 5V smart card operation.
• Automatic Card Detection: Detects card insertion/removal.
• Low EMI Emission: Complies with EMC standards.
• High ESD Protection: Protects against electrostatic discharge.
• Standby Mode: Reduces power consumption when inactive.
• Wide Operating Temperature Range: Typically -25°C to +85°C.

This information is based on the official datasheet and technical documentation from NXP Semiconductors.