DS2186

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Driver
Protocol:	T1/CEPT
Number of Drivers/Receivers:	1/0
Duplex:	--
Data Rate:	--
Voltage - Supply:	4.75 V ~ 5.25 V
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Through Hole
Package / Case:	20-DIP (0.300", 7.62mm)
Supplier Device Package:	20-PDIP
Base Part Number:	DS2186

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Introduction The DS2186 is a single-chip transceiver for Smart Card communication that provides a standard interface to smart cards, contact and contactless readers for applications such as credit cards, banking and government services. The DS2186 includes a high-speed link layer controller and a contactless radio interface. This transceiver is suitable for a wide range of smart card applications due to its flexible architecture and its support for a variety of communication protocols.Application FieldThe DS2186 transceiver is ideal for smartcard applications such as access control, identity management, secure government services, public transportation and e-commerce. The transceiver supports both 13.56 MHz contactless cards and ISO7816 contact cards. The integrated receiver and transmitter support a data transfer rate up to 422.8 kbps. The processor embedded in the transceiver is capable of processing the card data, so that the host can utilize the applications effectively. The transceiver is also compliant with ISO 14443 and 15693 communication standard and supports MIFARE application protocol.Working Principle The DS2186 integrates several micro-controllers and peripheral components including a digital transceiver, analog front-end (AFE), EEPROM, RAM, clock, and a voltage regulator. The digital transceiver receives and transmits the digital data via a single-wire protocol. The EEPROM and RAM are used to store the data, while the AFE acts as an interface between the transceiver and the contactless card. The digital transceiver supports the advanced security features such as mutual authentication, message authentication code (MAC) generation, and data integrity checking. The transceiver also performs the handshaking and synchronization with the contactless card for reliable and secure data communication.ConclusionThe DS2186 transceiver is an innovative solution for smart card applications. It supports both contact and contactless cards and provides excellent data rates. Its flexible architecture and support for various communication protocols make it suitable for wide range applications; such as access control, identity management and public transportation. The integrated high-speed controller, secure communication protocols and high-speed link layer make it a reliable solution for secure card applications.