73S8010R-IM/F

Overview

The Teridian 73S8010R is a single smart card interface IC providing full electrical compliance with ISO-7816-3 and EMV 4.0 specifications. It interfaces with the host via a two-wire I2C bus and an interrupt output for fault detection. The device incorporates an internal Low Drop-Out (LDO) regulator powered by VPC to supply 3 V or 5 V to the card, while digital logic operates on a separate VDD supply ranging from 2.7 V to 5.5 V. It supports up to 90 mA of current capability and includes true over-current detection at 150 mA maximum. The IC offers 6 kV ESD protection on card interface pins and features auxiliary I/O lines for C4/C8 contacts.

Feature Summary

• Complies with ISO-7816-3 and EMV 4.0 standards
• Integrated LDO regulator provides 3 V or 5 V card power
• Fast-mode 400 kbps I2C slave bus interface
• True card over-current detection and voltage supervisors

Applications

• Set-Top-Box Conditional Access and Pay-per-View
• Point of Sales & Transaction Terminals
• Control Access & Identification Systems
• Multiple card and SAM reader configurations

Procurement Notes

Verify component authenticity through authorized Analog Devices or Maxim Integrated distributors. Confirm package type availability, as the device is offered in SO28 and QFN32 formats. Check datasheet revisions for any updates to electrical characteristics or pin definitions before finalizing procurement orders.

Selection Notes

Select the QFN32 package for compact designs requiring a 5x5x0.8 mm footprint, or the SO28 package for standard surface mount applications. Ensure the system controller supports the required I2C protocol and address configuration. Verify that the available VPC supply meets the minimum 4.75 V requirement for proper LDO operation.

Part Context

The 73S8010R belongs to the Teridian smart card interface family, now under Analog Devices/Maxim Integrated. It serves as a cost-effective solution replacing traditional step-up converters with an LDO regulator, reducing external component count and power dissipation. The firmware is compatible with the TDA8020, facilitating migration for existing designs.

Replacement Considerations

The datasheet notes firmware compatibility with the TDA8020. Designers migrating from other smart card controllers should verify pinout differences and register mapping changes. No direct public substitute part numbers are listed in the provided documentation.