Overview
The NCN8025AMNTXG, produced by onsemi, is a compact and cost-effective single smart card interface IC. It is designed to support 1.8 V, 3.0 V, and 5.0 V smart card reader/writer applications, making it versatile for various use cases. The device is fully compatible with ISO 7816-3, EMV 4.3, UICC, and other related standards, including NDS and STB standards such as Nagravision and Irdeto. This IC is available in two package formats: QFN-24 (NCN8025A) and QFN-16 (NCN8025), catering to different space and cost requirements.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Regulator Power Supply Voltage (VDDP) | -0.3 | - | 5.5 | V |
| Power Supply from Microcontroller Side (VDD) | -0.3 | - | 5.5 | V |
| External Card Power Supply (CVCC) | -0.3 | - | 5.5 | V |
| Clock Frequency on Pin CLKIN | - | - | 27 | MHz |
| Operating Ambient Temperature Range (TA) | -40 | - | 85 | °C |
| Operating Junction Temperature Range (TJ) | -40 | - | 125 | °C |
| ESD Protection on Card Pins (HBM) | - | - | 8 kV | - |
| Maximum Data Rate through Bidirectional I/O | - | - | 1 | MHz |
Key Features
- Single IC Card Interface
- Fully compatible with ISO 7816-3, EMV 4.3, UICC, and related standards
- 3 Bidirectional Buffered I/O Level Shifters (C4, C7, and C8) for QFN-24 package; 1 Bidirectional I/O Level Shifter for QFN-16 package
- 1.8 V, 3.0 V, or 5.0 V ± 5% regulated card power supply generation
- Handles Class A, B, and C Smart Cards
- Short Circuit Protection on all Card Pins
- Support up to 27 MHz input clock with internal division ratio 1/1, 1/2, 1/4, and 1/8
- ESD Protection on Card Pins up to +8 kV (Human Body Model)
- Activation/Deactivation Sequences (ISO7816 Sequencer)
- Fault Protection Mechanisms including Overload, Overheating, Card Take-off, or Power Supply Drop-out
- Interrupt Signal INT for Card Presence and Faults
- External Under-Voltage Lockout Threshold Adjustment on VDD (PORADJ Pin) for QFN-24
Applications
- Pay TV, Set Top Box Decoder with Conditional Access and Pay-per-View
- Conditional Access Module (CAM / CAS)
- SIM card interface applications (UICC / USIM)
- Point Of Sales and Transaction Terminals
- Electronic Payment and Identification Systems
Q & A
- What are the supported voltage levels for the NCN8025AMNTXG?
The NCN8025AMNTXG supports 1.8 V, 3.0 V, and 5.0 V smart card reader/writer applications. - What standards is the NCN8025AMNTXG compatible with?
The device is fully compatible with ISO 7816-3, EMV 4.3, UICC, and other related standards including NDS and STB standards. - What are the package options available for the NCN8025AMNTXG?
The device is available in two package formats: QFN-24 (NCN8025A) and QFN-16 (NCN8025). - What is the maximum clock frequency supported by the NCN8025AMNTXG?
The device supports up to 27 MHz input clock. - Does the NCN8025AMNTXG have ESD protection?
Yes, it has ESD protection on card pins up to +8 kV (Human Body Model). - What kind of fault protection mechanisms does the NCN8025AMNTXG have?
The device includes fault protection mechanisms for overload, overheating, card take-off, or power supply drop-out. - How does the NCN8025AMNTXG handle card presence detection?
The device has an interrupt signal INT for card presence and faults, and it includes built-in debounce timers for card presence pins. - Can the under-voltage lockout threshold be adjusted on the NCN8025AMNTXG?
Yes, the under-voltage lockout threshold can be adjusted using the PORADJ pin for the QFN-24 package. - What are some typical applications of the NCN8025AMNTXG?
Typical applications include Pay TV, Set Top Box Decoder, Conditional Access Module (CAM / CAS), SIM card interface applications, and Point Of Sales and Transaction Terminals. - What is the operating temperature range of the NCN8025AMNTXG?
The operating ambient temperature range is -40°C to +85°C, and the operating junction temperature range is -40°C to +125°C.
