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73S8009C Datasheet Versatile Power Management and Smart Card Interface IC

Manufacturer: Teridian Semiconductor

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Datasheet Details

Part number 73S8009C
Manufacturer Teridian Semiconductor
File Size 619.73 KB
Description Versatile Power Management and Smart Card Interface IC
Download 73S8009C Download (PDF)

General Description

The Teridian 73S8009C is a versatile power management and single smart card interface circuit that is ideally suited for smart card reader products that are battery and/or USB bus-powered.

In addition to its EMV 4.1 and ISO-7816-3 compliant smart card-to-host interface circuitry;

it provides control, conversion, and regulation of power for a companion host processor circuit and power for the smart card.

Overview

73S8009C Versatile Power Management and Smart Card Interface IC Simplifying System Integration™ DS_8009C_025 www.DataSheet4U.com DATA SHEET February 2010 When power is supplied by VPC or VBAT , the 73S8009C is controlled by the ON_OFF pin in the manner of a “push-on/push-off” button action.

The OFF_REQ and OFF_ACK signals provide handshaking and control of the power “off” function by the controller.

A SPST momentary switch to ground connected to ON_OFF is all that is required for power control.

Key Features

  • Smart card Interface:.
  • Complies with ISO-7816-3 and EMV 4.1 and derivative standards.
  • A DC-DC Converter provides 1.8 V/3 V/5 V to the card from a wide range of external power supply inputs.
  • Provides up to 65 mA to the card.
  • ISO-7816-3 Card emergency deactivation sequencer.
  • 2 voltage supervisors detect voltage drops on the VCC (card) and VDD (digital) power supplies.
  • Card over-current detection 150 mA max.
  • 2 card detection.

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