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73S8009R 반도체 회로 부품 판매점

Low Cost Versatile Smart Card Interface



Teridian Semiconductor 로고
Teridian Semiconductor
73S8009R 데이터시트, 핀배열, 회로
Simplifying System Integration™
DS_8009R_056
73S8009Rwww.DataSheet4U.com
Low Cost Versatile Smart Card
Interface
DATA SHEET
October 2009
DESCRIPTION
The 73S8009R is a very low-cost level shifter, single
smart card (ICC) interface IC. The device includes a
level shifter interface between a 3.3 V (typical) logic
circuitry (host microcontroller) and an ISO-7816 /
EMV smart card. The 73S8009R is designed to
provide full electrical compliance with ISO-7816-3
EMV4.1 (EMV2000) and GSM11-11 specifications.
In normal operating mode, for maximum designer
flexibility, the host microcontroller is responsible for
card activation and deactivation. The 73S8009R
incorporates an ISO-7816-3 deactivation sequencer
that controls the card signals in case of fault detection
and card removal. Card presence and faults are
reported to the host through an interrupt output.
When the 73S8009R is ready to support a card with
the selected voltage, a RDY signal informs the host it
can initiate the card activation sequence.
The 73S8009R supports 5V, 3V and 1.8V cards.
Selection is done through 2 dedicated digital inputs.
Level-shifters drive the card signals with the selected
card voltage coming from an internal Low Drop-Out
(LDO) voltage regulator. The LDO regulator is
powered by a dedicated power supply input, VPC.
Digital circuitry is separately powered by a digital
power supply, VDD.
Emergency card deactivation is initiated upon card
extraction or any fault generated by the protection
circuitry. The fault can be a card over-current, a VDD
(digital power), a VPC (regulator power), a VCC
(card power output) or an over-heating fault.
A chip select digital input drives internal latches that
allow the host controller to control multiple
73S8009R ICs in parallel. A power down digital
input also allows the host microcontroller to place
the IC in a very low-power mode making the
73S8009R particularly suitable for low-power and
battery-powered applications.
Auxiliary I/O lines are also available (SO28 package
only) and make the 73S8009R suitable for all kind
of cards, including synchronous (memory) cards.
APPLICATIONS
Set-Top-Box Conditional Access and
Pay-per-View
SIM card readers in DECT and GSM phones,
GPRS, WIFI and VOIP devices
Point of Sales & Transaction Terminals
General purpose smart card readers
ADVANTAGES
Lowest cost smart card interface IC on the
market
Ideal to replace discrete designs in POS
terminals and Set-Top-Boxes
Traditional step-up converter is replaced by
an LDO regulator
Greatly reduced power dissipation
Fewer external components are required
Better noise performance
Very low power dissipation
Small format (4x4x0.8 mm) QFN20 package
option
FEATURES
Card Interface:
Complies with ISO-7816-3, EMV 4.0 and
GSM 11-11 specifications
An LDO voltage regulator provides 1.8V /
3V / 5V to the card from an external power
supply input
Provides at least 90 mA to the card
ISO-7816-3 card emergency deactivation
sequencer
Protection includes 3 voltage supervisors
that detect voltage drops on VCC (card), VDD
(digital) and VPC (regulator) power supplies
Over-current detection, 150 mA max.
2 card detection inputs, 1 for each user
polarity
Auxiliary I/O lines for C4 / C8 contact
signals
Card CLK clock frequency up to 20 MHz
Rev. 1.3
© 2009 Teridian Semiconductor Corporation
1


73S8009R 데이터시트, 핀배열, 회로
73S8009R Data Sheet
DSw_w8w0.0D9atRaS_he0e5t46U.com
System Controller Interface
Five signal images of the card signals
(RSTIN, CLKIN, IOUC, AUX1UC, AUX2UC)
Two inputs select card voltage (CMDVCC%,
CMDVCC#)
Two Interrupt outputs (OFF, RDY) inform the
system controller of card presence / faults
and the interface status
Chip select input (CS)
Power down input (PWRDN)
Regulator Power Supply (VPC):
Class A-B-C readers: 5V, 3V and 1.8V
cards: 4.75 V to 6.0 V
Digital Interface (VDD): 2.7 V to 3.6 V
6 kV ESD protection on the card interface
SO28 or QFN20 package
FUNCTIONAL DIAGRAM
CMDVCC5
CMDVCC3
8 [2]
9 [3]
OFF
RDY
PWRDN
CS
4 [20]
12 [6]
13 [7]
1 [18]
RSTIN
CLKIN
10 [4]
11 [5]
IOUC
AUX1UC
AUX2UC
5 [1]
6
7
VDD
[17] 28
VOLTAGE REFERENCE
bias currents
VPC
[9] 15
VCC FAULT
VPC FAULT
vref
LDO
REGULATOR
CONTROL
LOGIC
RESET
BUFFER
CLOCK
BUFFER
1.5MHz
R-C
OSC.
TEMP FAULT
OVER
TEMP
SMART CARD I/O BUFFERS
27
GND
Pin numbers reference the SO28 package
[Pin numbers] reference the QFN20 Package
Figure 1: 73S8009R Block Diagram
20 [12]
GND
22 [14]
VCC
21 [13]
RST
19 [11]
CLK
26 [16]
16 [10]
PRES
PRES
25 [15]
24
23
I/O
AUX1
AUX2
Rev. 1.3
2




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