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TDA8005

Features: ` VCC generation (5 V ±5%, 20 mA maximum with controlled rise and fall times)` Clock generation (up to 8 MHz), with two times synchronous frequency doubling` Clock STOP HIGH, clock STOP LOW or 1.25 MHz (from internal oscillator) for cards power-down mode` Specific UART on I/O for automat...

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SeekIC No. : 004516646 Detail

TDA8005: Features: ` VCC generation (5 V ±5%, 20 mA maximum with controlled rise and fall times)` Clock generation (up to 8 MHz), with two times synchronous frequency doubling` Clock STOP HIGH, clock STOP LO...

TDA8005 Data Sheet

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Part Number:
TDA8005
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` VCC generation (5 V ±5%, 20 mA maximum with controlled rise and fall times)
` Clock generation (up to 8 MHz), with two times synchronous frequency doubling
` Clock STOP HIGH, clock STOP LOW or 1.25 MHz (from internal oscillator) for cards power-down mode
` Specific UART on I/O for automatic direct/inverse convention settings and error management at character level
` Automatic activation and deactivation sequences through an independent sequencer
` Supports the protocol T = 0 in accordance with ISO 7816, GSM11.11 requirements (Global System for Mobile communication); and EMV banking specification approved for Final GSM11.11 Test Approval (FTA)
` Several analog options are available for different applications (doubler or tripler DC/DC converter, card presence, active HIGH or LOW, threshold voltage supervisor, etc.
` Overloads and take-off protections
` Current limitations in the event of short-circuit
` Special circuitry for killing spikes during power-on or off
` Supply supervisor
` Step-up converter (supply voltage from 2.5 to 6 V)
` Power-down and sleep mode for low-power consumption
` Enhanced ESD protections on card side (6 kV minimum)
` Control and communication through a standard RS232 full duplex interface
` Optional additional I/O ports for:
   keyboard
   LEDs
   display
   etc.
` 80CL51 microcontroller core with 4 kbytes ROM and 256-byte RAM.


Application

· Portable smart card readers for protocol T = 0
· GSM mobile phones


Pinout

Connection Diagram


Description

The TDA8005 is a low cost card interface for portable smart card readers. Controlled through a standard serial interface, it takes care of all ISO 7816 and GSM11-11 requirements. It gives the card and the set a very high level of security, due to its special hardware against ESD, short-circuiting, power failure, etc. Its integrated step-up converter TDA8005 allows operation within a supply voltage range of 2.5 to 6 V.

The very low-power consumption in Power-down and sleep modes saves battery power. A special version where the internal connections to the controller are fed outside through pins allows easy development and evaluation, together with a standard 80CL51 microcontroller.

Development tools, application report and support (hardware and software) are available.

The TDA8005 can be supplied either as a masked chip with standard software handling all communication between smart card and a master controller in order to make the application easier, or as a maskable device.




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