The LTC1955EUH#TRPBF is a high-performance, dual Smart Card interface integrated circuit from Linear Technology, designed to facilitate communication between smart cards and microprocessors in a secure and efficient manner. This advanced product is compliant with ISO 7816 and GSM 11.11 specifications, making it a versatile solution for a wide range of applications such as banking, telecommunications, and secure access systems.

Key Features

• ISO 7816 and GSM 11.11 Compliant: Ensures compatibility with a broad spectrum of smart card standards, providing flexibility in application design and deployment.
• Dual Smart Card Interfaces: Allows for the simultaneous operation of two smart cards, enhancing the capability of multi-tasking systems.
• Programmable Current Limiting: Offers protection to the smart card by limiting the maximum current supplied, thus preventing damage from overcurrent conditions.
• Low Power Consumption: Designed with power efficiency in mind, it reduces the overall energy consumption of the system, making it ideal for battery-powered applications.
• Adjustable Clock Frequency: The clock frequency can be adjusted to match the requirements of different smart cards, ensuring optimal communication speed and reliability.
• Automatic Card Activation and Deactivation Sequences: Simplifies the interface control by managing the power-up and power-down sequences of the smart card, reducing the workload on the host processor.
• Short-Circuit and Thermal Protection: Enhances the safety and durability of the system by providing built-in protection mechanisms.

Applications

The LTC1955EUH#TRPBF is suitable for a variety of secure applications, including:

• Personal Identification
• Banking and Financial Systems
• Mobile Telecommunication Systems
• Government Security Systems
• Pay Television Systems

Product Specifications

The LTC1955EUH#TRPBF is available in a compact 32-lead QFN package, ensuring a small footprint on the PCB. It operates over a wide temperature range, making it reliable in diverse environments. Furthermore, the tape and reel packaging (TRPBF suffix) facilitates automated assembly processes, increasing the efficiency of mass production.