Overview
The NCN8024R, produced by onsemi, is a single smart card interface IC designed for 3.0 V/5.0 V smart card reader/writer applications. This device is fully compatible with ISO 7816-3 and EMV standards, as well as with conditional access standards in Set-Top-Box (STB) applications, including NDS, Nagravision, and Irdeto. It features a low drop-out and low noise regulator (LDO) for the card VCC supply and is available in SOIC-28 and TSSOP-28 packages.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Ambient Temperature Range | -40 to +85 | °C |
| Operating Junction Temperature Range | -40 to +125 | °C |
| Storage Temperature Range | -65 to +150 | °C |
| Card VCC Supply Voltage | 3.0 V or 5.0 V ± 5% | V |
| Card Power Supply Current (ICC) | ≤ 70 mA | mA |
| Controller Interface Power Supply Range (VDD) | 2.7 V < VDD < 5.5 V | V |
| Clock Frequency | Up to 27 MHz | MHz |
| ESD Protection on Card Pins | Up to 8 kV (Human Body Model) | kV |
| Package Types | SOIC-28, TSSOP-28 |
Key Features
- Single IC Card Interface
- Fully compatible with ISO 7816-3, EMV, and related STB standards
- Three bidirectional buffered I/O level shifters (C4, C7, and C8 card pins)
- Thermal and short circuit protection on all card pins
- Support for up to 27 MHz clock with internal division ratios (1/1, 1/2, 1/4, and 1/8)
- Activation/deactivation sequences (ISO7816)
- Fault protection mechanisms including overcurrent, overtemperature, card take-off, and power supply drop-out protection
- Interrupt signal for card presence and faults
- External under-voltage lockout threshold adjustment on VDD (PORADJ pin)
Applications
- Pay TV and Set-Top-Box decoders with conditional access and pay-per-view
- Conditional Access Modules (CAM)
- Point of Sale (POS) and Automated Teller Machines (ATM)
- Access control and identification systems
Q & A
- What is the NCN8024R used for?
The NCN8024R is used as a smart card interface IC for 3.0 V/5.0 V smart card reader/writer applications. - What standards is the NCN8024R compatible with?
The NCN8024R is fully compatible with ISO 7816-3, EMV, and related STB standards including NDS, Nagravision, and Irdeto. - What are the package options for the NCN8024R?
The NCN8024R is available in SOIC-28 and TSSOP-28 packages. - What is the maximum clock frequency supported by the NCN8024R?
The NCN8024R supports up to 27 MHz clock frequency with internal division ratios. - Does the NCN8024R have ESD protection?
Yes, the NCN8024R has ESD protection on card pins up to 8 kV (Human Body Model). - What kind of fault protection does the NCN8024R offer?
The NCN8024R offers fault protection mechanisms including overcurrent, overtemperature, card take-off, and power supply drop-out protection. - How does the NCN8024R handle card presence detection?
The NCN8024R has card presence pins (CRD_PRES) with built-in debounce timers for detecting card insertion. - Can the NCN8024R be used in various temperature ranges?
Yes, the NCN8024R operates over an ambient temperature range of -40 to +85°C and a junction temperature range of -40 to +125°C. - What is the typical current limit for the card VCC supply?
The card VCC supply can source up to 70 mA continuously. - How does the NCN8024R handle power supply monitoring?
The NCN8024R includes power on reset (POR) circuitry and under-voltage lockout (UVLO) detection to monitor the supply voltage. - What are some common applications of the NCN8024R?
Common applications include Pay TV, Set-Top-Box decoders, Conditional Access Modules (CAM), POS/ATM, and access control systems.
