DS8007

Multiprotocol Dual Smart Card Interface

Smart Card Power Supply and Communication for Two Physically Separate Interfaces


Please check latest availability status for a specific part variant.

Description

The DS8007 multiprotocol dual smart card interface is a low-cost, dual smart card reader interface supporting all ISO 7816, EMV®, and GSM11-11 requirements. Through its 8-bit parallel bus and dedicated address selects (AD3–AD0), the DS8007 can easily and directly connect to the nonmultiplexed byte-wide bus of a Maxim secure microcontroller. Optionally, the parallel bus can be multiplexed to allow direct access to the multiplexed bus of an 80C51-compatible microcontroller through MOVX memory addressing.

One integrated ISO 7816 UART is multiplexed among the interfaces to allow high-speed automatic smart card processing with each card-possessing, independent, variable, baud-rate capability. The card interface is controlled by internal sequencers that support automatic activation and deactivation sequencing, handling all actions required for T = 0, T = 1, and synchronous protocols. Emergency deactivation is also supported in case of supply dropout. A third card is supported through the auxiliary I/O. The same set of I/O can optionally be used as additional serial interface for the UART.

The DS8007 provides all electrical signals necessary to interface with two smart cards. The integrated voltage converter ensures full cross-compatibility between 1.8V/3V/5V cards and a 1.8V/3V/5V environment, and allows operation within a 2.7V to 6V supply voltage range.
DS8007: Block Diagram DS8007: Block Diagram Enlarge+

Key Features

  • Integrated ISO 7816 UART Provides Complete Interface/Control for Two Separate Smart Card Devices
  • 8kV (min) ESD Protection on Card Interfaces
  • Internal IC Card Supply Voltage Generation
    • 5.0V ±5%, 65mA (max)
    • 3.0V ±8%, 50mA (max)
    • 1.8V ±10%, 30mA (max)
  • Automatic Card Activation, Deactivation, and Data Communication Controlled by Dedicated Internal Sequencer
  • Host Interface Through an 8-Bit Parallel Bus (User-Selectable Multiplexed or Nonmultiplexed Modes)
  • Chip Select and Three-State Bus Allow Multiple Devices (Card Readers and Memories) on Bus
  • 8-Character Receive FIFO with Optional Programmable Depth/Threshold
  • I/O Interface Pin to External ISO 7816 UART for Auxiliary Interface
  • Separate Card Clock Generation (Up to 10MHz) with 2x Frequency Doubling
  • Selectable Card Clock Stop High, Stop Low, or Internally Generated 1.25MHz (for Card Power-Down)
  • EMV-Certified Reference Design and Evaluation Kit Available (DS8007-KIT)

Applications/Uses

  • Access Control
  • Banking Applications (Point-of-Sale Terminals, Debit/Credit Payment Terminals, PIN Pads, Automated Teller Machines)
  • Pay Television
  • Telecommunications
Part NumberISO-7816InterfaceCard Supply Voltage
(V)
Package/PinsBudgetary
Price
See Notes
DS8007 Yes8-bit Parallel
1.8
3
5
LQFP/48
$2.69 @1k
See All Smart Card Reader ICs (6)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

CAD Symbols and Footprints

  • DS8007-ENG
  • DS8007-ENG+
  • DS8007A-EAG+
  • DS8007A-EAG+T
  • Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

    Quality Management System >
    Environmental Management System >

     
    Status:
    Package:
    Temperature:

    Related Resources

    Type ID Title
    Evaluation Board5416DS8007-KIT DS8007 EMV Evaluation Kit

    Electronics in Vehicles (ELIV) 2019
    10/16/2019 - 10/17/2019, Bonn, Germany
    The international VDI Congress ELIV (Electronics In Vehicles) is THE event for all experts in the field of electrical and electronical car engineering and integration of mechanical and electronical systems.

    RSVP