Overview
The ST8034PQR, produced by STMicroelectronics, is a 16-pin smartcard interface designed to provide a complete and low-cost analog interface for both asynchronous and synchronous smartcards. This device operates at supply voltages of 5 V, 3 V, or 1.8 V, ensuring compatibility with a wide range of smartcard applications. It is specifically tailored to handle all supply, protection, detection, and control functions with minimal external components, making it an efficient solution for smartcard integration.
Key Specifications
| Parameter | Description |
|---|---|
| Package | VFQFPN 16 3x3x0.8 mm |
| Supply Voltage | 5 V, 3 V, or 1.8 V (selectable) |
| Operating Temperature | -25°C to +85°C |
| Card Clock Frequency | Up to 20 MHz, programmable by CLKDIV pin |
| ESD Protection | 8 kV on card side |
| Compliance | ISO 7816 and EMV™ 4.3 payment systems compatible |
| Marketing Status | Active |
| RoHS Compliance | Ecopack3 |
Key Features
- Complete smartcard interface
- ISO 7816 and EMV™ 4.3 payment systems compatible
- One protected half-duplex bidirectional buffered I/O line to the smartcard
- Selectable smartcard supply voltage (VCC) with controlled rise and fall times and smart overload detection
- Optional chip select function for isolating the device interface from the host microcontroller signals
- Card clock generation by integrated crystal oscillator or from external clock source
- Automatic card activation and deactivation sequences initiated by the microcontroller
- Emergency deactivation sequences initiated by various fault conditions (e.g., card supply short-circuit, card take-off, falling VDD)
- Voltage supply supervisors with fixed or adjustable thresholds
- Multipurpose card status signal and non-inverted card reset pin
- Thermal and short-circuit protection of all card contacts
- Card presence detection contacts debounced
- Enhanced card side ESD protection of 8 kV
Applications
- Smartcard readers for set-top boxes
- Pay-TV systems
- Identification systems
- Banking systems
- Tachographs
Q & A
- What is the ST8034PQR used for?
The ST8034PQR is used as a smartcard interface for various applications, including set-top boxes, pay-TV, identification, banking, and tachographs.
- What are the operating supply voltages for the ST8034PQR?
The ST8034PQR operates at supply voltages of 5 V, 3 V, or 1.8 V.
- Is the ST8034PQR compatible with ISO 7816 and EMV™ 4.3 payment systems?
- What is the maximum card clock frequency supported by the ST8034PQR?
The maximum card clock frequency supported is up to 20 MHz, programmable by the CLKDIV pin.
- Does the ST8034PQR have ESD protection?
- What types of protection does the ST8034PQR offer for the smartcard contacts?
The ST8034PQR offers thermal and short-circuit protection for all card contacts.
- How does the ST8034PQR handle card presence detection?
The ST8034PQR features card presence detection contacts that are debounced.
- What is the operating temperature range for the ST8034PQR?
The operating temperature range is -25°C to +85°C.
- What package options are available for the ST8034PQR?
The ST8034PQR is available in both SO16 (3.9 x 9.9 mm) and QFN16 (3 x 3 mm) packages.
- Is the ST8034PQR RoHS compliant?
