73S8024RN-IL TDK Corporation, 73S8024RN-IL Datasheet

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73S8024RN-IL

Manufacturer Part Number
73S8024RN-IL
Description
Low Cost Smart Card Interface
Manufacturer
TDK Corporation
Datasheet

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DESCRIPTION
The TDK 73S8024RN is a single smart card (ICC) interface
IC that can be controlled by a dedicated control bus. The
TDK 73S8024RN has been designed to provide full electrical
compliance with ISO-7816-3, EMV 4.0 (EMV2000) and NDS*
specifications.
Interfacing with the system controller is done through a
control bus, composed of digital inputs to control the
interface, and one interrupt output to inform the system
controller of the card presence and faults.
The card clock can be generated by an on-chip oscillator
using an external crystal or by connection to a clock signal.
TDK
activation/deactivation sequencer that controls the card
signals. Level-shifters drive the card signals with the selected
card voltage (3V or 5V), coming from an internal Low Drop-
Out (LDO) voltage regulator. This LDO regulator is powered
by a dedicated power supply input V
separately powered by a digital power supply V
With its embedded LDO regulator, the TDK 73S8024RN is a
cost-effective solution for any application where a 5V
(typically -5% +10%) power supply is available.
Hardware support for auxiliary I/O lines, C4 / C8 contacts, is
provided.
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 V
a V
an over-heating fault.
The card over-current circuitry is a true current detection
function, as opposed to V
implemented in ICC interface ICs.
The V
adjusted with an external resistor or resistor network. It allows
automated card deactivation at a customized V
threshold value. It can be used, for instance, to match the
system controller operating voltage range.
APPLICATIONS
* Pending final approval
Page 1
PC
Set-Top-Box Conditional Access and Pay-per-View
Point of Sales & Transaction Terminals
Control Access & Identification
(regulator power supply), a V
DD
73S8024RN
voltage fault has a threshold voltage that can be
CC
incorporates
voltage drop detection, as usually
CC
DD
(card power supply) or
(digital power supply),
PC
. Digital circuitry is
an
DD
.
ISO-7816-3
©
DD
2004 TDK Semiconductor Corporation
voltage
ADVANTAGES
FEATURES
Greatly reduced power dissipation
Fewer external components are required
Better noise performance
High current capability (90mA supplied to the card)
Traditional step-up converter is replaced by a LDO
regulator:
Pin-to-pin compatible with industry-standards
TDA8004 and TDA8024
Card clock STOP (high and low) mode
Small format (5x5x0.8mm) 32QFN package option
True card over-current detection
Card Interface:
Complies with ISO-7816-3, EMV 4.0 and NDS*
A LDO voltage regulator provides 3V / 5V to the card
from an external power supply input
Provides at least 90mA to the card
ISO-7816-3 Activation / Deactivation sequencer with
emergency automated deactivation on card removal
or fault detected by the protection circuitry
Protection includes 3 voltage supervisors that detect
voltage drops on V
(regulator) power supplies
The V
externally adjusted
Over-current detection 150mA max.
Card clock stop high or low
2 card detection inputs, 1 for each possible user polarity
Auxiliary I/O lines, for C4 / C8 contact signals
Card CLK clock frequency up to 20MHz
System Controller Interface:
Regulator Power Supply:
Digital Interfacing: 2.7V to 5.5V
6kV ESD Protection on the card interface
Package: SO28 or 32QFN
Low Cost Smart Card Interface
3
deactivation, card reset and card voltage
4 Digital inputs control the card clock (division rate and
card clock stop modes)
1 Digital output, interrupt to the system controller,
allows the system controller to monitor the card
presence and faults.
Crystal oscillator or host clock, up to 27MHz
4.75V to 5.5V (EMV 4.0)
4.85V to 5.5V (NDS)
Digital
DD
voltage supervisor threshold value can be
inputs
DATA-SHEET
CC
control
(card), V
the
73S8024RN
DD
card
(digital), and V
May 2004
activation
Rev 1.1
PC
/

Related parts for 73S8024RN-IL

73S8024RN-IL Summary of contents

Page 1

... Out (LDO) voltage regulator. This LDO regulator is powered by a dedicated power supply input V separately powered by a digital power supply V With its embedded LDO regulator, the TDK 73S8024RN is a cost-effective solution for any application where a 5V (typically -5% +10%) power supply is available. Hardware support for auxiliary I/O lines contacts, is provided ...

Page 2

... V FAULT PC LDO V FAULT CC REGULATOR & I FAULT CC VOLTAGE SUPERVISORS ICC RESET BUFFER ICC CLOCK BUFFER OVER TEMP TEMP FAULT 73S8024RN 4 [1] GND 14 [12] GND 17 [15] VCC 16 [14] RST 15 [13] CLK 10 [7] PRES 9 [6] PRES 11 [8] I/O 13 [11] AUX1 12 [10] AUX2 Rev 1.1 ...

Page 3

... Non-connected pin. DESCRIPTION 20 System interface supply voltage and supply voltage for internal circuitry. 3 LDO regulator power supply source. 1 LDO Regulator ground. 21 Digital ground. © 2004 TDK Semiconductor Corporation 73S8024RN Low Cost Smart Card Interface DATA-SHEET CC. CC. CC. when not DD values (that DDF Rev 1.1 ...

Page 4

... System controller auxiliary data I/O to/from the card. Includes a pull-up resistor System controller auxiliary data I/O to/from the card. Includes a pull-up resistor to V © 2004 TDK Semiconductor Corporation 73S8024RN Low Cost Smart Card Interface DATA-SHEET and card interface, logic low CC CLKDIV2 CLOCK RATE ...

Page 5

... POWER SUPPLY AND VOLTAGE SUPERVISON The TDK 73S8024RN smart card interface IC incorporates a LDO voltage regulator. The voltage output is controlled by the digital input 5V/#V. This regulator is able to provide either card voltage from the power supply applied on the VPC pin. Digital circuitry is powered by the power supply applied on the VDD pin. V interface with the system controller ...

Page 6

... ON-CHIP OSCILLATOR AND CARD CLOCK The TDK 73S8024RN device has an on-chip oscillator that can generate the smart card clock using an external crystal (connected between the pins XTALIN and XTALOUT) to set the oscillator frequency. When the clock signal is available from another source, it can be connected to the pin XTALIN, and the pin XTALOUT should be left unconnected ...

Page 7

... ACTIVATION SEQUENCE The TDK 73S8024RN smart card interface IC has an internal 10ms delay at power on reset or on the application of V > activation is allowed at this time. The CMDVCC (edge triggered) must then be set low to DD DDF activate the card. In order to initiate activation, the card must be present; there can be no over-temperature fault fault ...

Page 8

... I/O (AUX1, AUX2) to reception mode after I reception mode RSTIN may be set high before © 2004 TDK Semiconductor Corporation 73S8024RN Low Cost Smart Card Interface DATA-SHEET at the end normal operation however the sequencer Rev 1.1 ...

Page 9

... For NDS application, C =1µF makes t F Figure 4: Deactivation Sequence © 2004 TDK Semiconductor Corporation Low Cost Smart Card Interface DATA-SHEET fault, V fault, V fault, and card (discharge of the V capacitor < 100µ 73S8024RN is low. CC Rev 1.1 ...

Page 10

... The Figure 6 shows the state diagram of how the I/O and I/OUC lines are managed to become input or output. The delay between the I/O signals is shown in Figure 7. Page 10 Low Cost Smart Card Interface OFF is low by card extracted within card session © 2004 TDK Semiconductor Corporation 73S8024RN DATA-SHEET OFF is low by any fault within card session Rev 1.1 ...

Page 11

... Figure 6: I/O and I/OUC State Diagram t I/O_HL t I/O_LH t = 100ns I/O_HL t = 100ns I/OUC_HL Figure 7: I/O – I/OUC Delays - Timing Diagram © 2004 TDK Semiconductor Corporation Low Cost Smart Card Interface DATA-SHEET No Yes I/OICC I/O yes t t I/OUC_HL I/OUC_LH t = 25ns I/O_LH t = 25ns I/OUC_LH 73S8024RN Rev 1.1 ...

Page 12

... R2 Card detection 20K switch is normally closed CLK track should be routed far from RST, I/O, C4 and C8. Smart Card Connector Figure 8: 73S8024RN – Typical Application Schematic © 2004 TDK Semiconductor Corporation Low Cost Smart Card Interface DATA-SHEET AUX2UC_to/from_uC AUX1UC_to.from_uC See NOTE 5 I/OUC_to/from_uC See NOTE 3 ...

Page 13

... Ambient Operating Temperature Input Voltage for Digital Inputs Page 13 , ground, and each other ONDITIONS © 2004 TDK Semiconductor Corporation 73S8024RN Low Cost Smart Card Interface DATA-SHEET RATING -0.5 to 6.0 VDC -0.5 to 6.0 VDC -0 +0.5) VDC DD -60 to 150°C -0 +0.5) VDC DD -0 0.5) VDC ...

Page 14

... C = 3.3µ 1.0µ NDS applications C should be ceramic with low F ESR (<100mΩ). NDS applications C should be ceramic with low ESR F (<100mΩ). © 2004 TDK Semiconductor Corporation 73S8024RN Low Cost Smart Card Interface DATA-SHEET MIN Typ. MAX < 5.5v DD -0.1 0.1 -0.1 0.4 4.60 5.25 4.75 5.25 4.55 5.25 2.80 3.2 4.6 5 ...

Page 15

... For I/O, AUX1, AUX2 80pF, L 10% to 90%. For I/OUC, AUX1UC, AUX2UC, CL=50Pf, 10% to 90%. Output stable for 8 >200ns 60 Edge from master to slave, measured at 50% © 2004 TDK Semiconductor Corporation 73S8024RN DATA-SHEET Typ. MAX UNIT ...

Page 16

... -1mA OH GND < V < GND < V < < 10 R/F IN δ 45% < < 55% CLK © 2004 TDK Semiconductor Corporation 73S8024RN Low Cost Smart Card Interface DATA-SHEET MIN Typ. MAX 0 0.3 0.1 0 0.3 0.5 8 100 45 55 MIN Typ. MAX -0 ...

Page 17

... CMDVCC High D C AULT ETECTION IRCUITS Condition No external resistor on VDDF_ADJ pin V < transient PC CC event © 2004 TDK Semiconductor Corporation 73S8024RN Low Cost Smart Card Interface DATA-SHEET MIN Typ. MAX 2.7 7.0 450 650 345 550 MIN Typ. MAX 2.15 2 0.2 CC 4.20 4.55 2.5 2 ...

Page 18

... BOTTOM VIEW Page 18 1.475 / 1.625 Figure 9: 32QFN © 2004 TDK Semiconductor Corporation 73S8024RN Low Cost Smart Card Interface DATA-SHEET / º ...

Page 19

... PRES PRES Page 19 GND VPC 3 4 TDK 73S8024RN I/O 8 Figure 10: 32QFN 73S8024RN Pin Out © 2004 TDK Semiconductor Corporation 73S8024RN Low Cost Smart Card Interface DATA-SHEET CAUTION: Use handling procedures necessary for a static sensitive component 24 XTALOUT 23 XTALIN 22 OFF 21 GND ...

Page 20

... PRES 9 PRES 10 I/O 11 AUX2 12 AUX1 13 GND 14 Figure 12: 28SO 73S8024RN pin out © 2004 TDK Semiconductor Corporation Low Cost Smart Card Interface DATA-SHEET .050 TYP. (1.270) .305 (7.747) .285 (7.239) .420 (10.668) .390 (9.906) .010 (0.254) .003 (0.076) .335 (8.509) .320 (8.128) ...

Page 21

... TEL (714) 508-8800 • FAX (714) 508-8877 http://www.tdksemiconductor.com © 2004 TDK Semiconductor Corporation 73S8024RN Low Cost Smart Card Interface DATA-SHEET PACKAGING MARK 73S8024RN-IL 73S8024RN-IL 73S8024RN-IL 73S8024RN-IL 73S8024RN 73S8024RN 73S8024RN 73S8024RN 5/18/04 Rev 1.1 Rev 1.1 ...

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