73S8010R
Low Cost Smart Card Interface
Simplifying System Integration™
DATA SHEET
August 2009
DS_8010R_022
APPLICATIONS
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Set-Top-Box Conditional Access and
Pay-per-View
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Point of Sales & Transaction Terminals
Control Access & Identification
Multiple card and SAM reader configurations
DESCRIPTION
The Teridian 73S8010R is a single smart card
interface IC that provides full electrical compliance
with ISO-7816-3 and EMV 4.0 (EMV2000)
specifications.
ADVANTAGES
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Single smart card interface
IC firmware compatible with TDA8020
Traditional step-up converter is replaced by
an LDO regulator
Greatly reduced power dissipation
Fewer external components are required
Better noise performance
Interfacing with the host is done through the two-wire
I2C bus and one interrupt output to inform the
system controller of the card presence and faults.
The card clock signal can be generated by an
on-chip oscillator using an external crystal, or by
connection to a clock signal.
High current capability (90 mA supplied to
the card)
Small format (5x5x0.8 mm) QFN32 package option
The Teridian 73S8010R incorporates an ISO-7816-3
activation/deactivation sequencer that controls the
card signals. Level-shifters drive the card signals with
the selected card voltage (3 V or 5 V), coming from an
internal Low Drop-Out (LDO) voltage regulator. This
LDO regulator is powered by a dedicated power
supply input, VPC. Digital circuitry is separately
powered by a digital power supply, VDD.
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True card over-current detection
FEATURES
• Card Interface
• Complies with ISO-7816-3 and EMV 4.0
• An LDO voltage regulator provides 3 V / 5 V to
the card from an external power supply input
• ISO-7816-3 Activation / Deactivation
sequencer with emergency automated
deactivation on card removal or fault
With its embedded LDO regulator, the Teridian
73S8010R is a cost-effective solution for any
application where a 5 V (typically -5% +10%) power
supply is available. Hardware support for auxiliary
I/O lines, C4 / C8 contacts is provided.
detected by the protection circuitry
• Protection includes 3 voltage supervisors
that detect voltage drops on VCC card and
on power supplies VDD and VPC
Emergency card deactivation is initiated upon
card extraction or upon any fault generated by
the protection circuitry. The fault can be a card
over-current, a VDD (digital power supply), a VPC
(regulator power supply), a VCC (card power supply)
or an over-heating fault.
• Over-current detection 150 mA max
• 1 card detection input
• Auxiliary I/O lines, for C4 / C8 contact
signals
The card over-current circuitry is a true current detect
function, as opposed to VCC voltage drop detection, as
usually implemented in ICC interface ICs.
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Host Interface
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Fast mode, 400 kbps I2C slave bus
8 possible devices in parallel
One control register and one status
register
The VDD voltage fault has a threshold voltage that
can be adjusted with an external resistor or resistor
network. It allows automated card deactivation at a
customized VDD voltage threshold value. It can be
used, for instance, to match the system controller
operating voltage range.
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Interrupt output to the host for fault
detection
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Crystal oscillator or host clock, up to 27 MHz
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6 kV ESD protection on the card interface
SO28 or QFN32 package
Rev. 1.6
© 2009 Teridian Semiconductor Corporation
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