73S8024RN-20IM/F1 datasheet, PDF

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73S8024RN-20IM/F1: DescriptionI/O controller interface IC smart card interface iso7816-3 & evm4.0; CategoryAnalog mixed-signal IC The signal circuit; File Size441KB，27 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html

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73S8024RN-20IM/F1 Overview

I/O controller interface IC smart card interface iso7816-3 & evm4.0

73S8024RN-20IM/F1 Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
package instruction	HVQCCN,
Reach Compliance Code	compli
ECCN code	EAR99
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT
JESD-30 code	S-XQCC-N20
length	4 mm
Number of functions	1
Number of terminals	20
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	UNSPECIFIED
encapsulated code	HVQCCN
Package shape	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Maximum seat height	0.9 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.7 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal form	NO LEAD
Terminal pitch	0.5 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	4 mm
Base Number Matches	1

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19-5404; Rev 2; 6/12

73S8024RN

Low-Cost Smart Card Interface

DATA SHEET

ADVANTAGES

•

Traditional step-up converter is replaced by a LDO

regulator:



Greatly reduced power dissipation



Fewer external components are required



Better noise performance



High current capability (90mA supplied to the card)

SO28 package is pin-to-pin compatible with

industry-standard TDA8004 and TDA8024

Card clock STOP (high and low) mode

Small format (4x4x0.85mm) 20QFN package option

True card over-current detection

Card Interface:



Complies with ISO 7816-3, EMV 4.0, and NDS



An 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

(card), V

(digital)**, and V

(regulator) power supplies



The V

voltage supervisor threshold value can be

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:



3 Digital inputs control the card activation /

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

Regulator Power Supply:



4.75V to 5.5V (EMV 4.0)



4.85V to 5.5V (NDS)

Digital Interfacing: 2.7V to 5.5V

±6kV

ESD Protection on the card interface

Package: SO28, 20QFN or 32QFN

DESCRIPTION

The 73S8024RN is a single smart card (ICC) interface IC

that can be controlled by a dedicated control bus. The

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.

The 73S8024RN incorporates an ISO 7816-3

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

. Digital circuitry is separately powered by a digital

power supply V

With its embedded LDO regulator, the 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

(digital power supply)**, a V

(regulator power supply), a

(card power supply) or an over-heating fault.

The card over-current circuitry is a true current detection

function, as opposed to V

voltage drop detection, as

usually implemented in ICC interface ICs.

The V

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 V

voltage threshold value. It can be used, for instance, to

match the system controller operating voltage range.

•

FEATURES

•

APPLICATIONS

•

Set-Top-Box Conditional Access and Pay-per-

View

Point of Sales and Transaction Terminals

Control Access and Identification

•

* Pins/functions not available on 20-pin QFN package.

** User V

DD_FLT

threshold configuration not available on

20-pin QFN package.

•

Rev. 2

DS_8024RN_020

73S8024RN Data Sheet

Table of Contents

Pin Description ...............................................................................................................................5

System Controller Interface ...........................................................................................................7

Power Supply and Voltage Supervision ........................................................................................8

Card Power Supply ........................................................................................................................9

Over-Temperature Monitor.............................................................................................................9

On-Chip Oscillator and Card Clock ...............................................................................................9

Activation Sequence ....................................................................................................................10

Deactivation Sequence ................................................................................................................12

OFF

and Fault Detection ..............................................................................................................13

I/O Circuitry and Timing ...............................................................................................................13

Typical Application Schematic ....................................................................................................15

Electrical Specification ................................................................................................................16

12.1 Absolute Maximum Ratings ....................................................................................................16

12.2 Recommended Operating Conditions .....................................................................................16

12.3 Package Thermal Parameters ................................................................................................16

12.4 Smart Card Interface Requirements........................................................................................17

12.5 Characteristics: Digital Signals................................................................................................19

12.6 DC Characteristics..................................................................................................................20

12.7 Voltage / Temperature Fault Detection Circuits .......................................................................20

Mechanical Drawing (20QFN) ......................................................................................................21

Package Pin Designation (20QFN)...............................................................................................22

Mechanical Drawing (32QFN) ......................................................................................................23

Package Pin Designation (32QFN)...............................................................................................24

Mechanical Drawing (SO).............................................................................................................25

Package Pin Designation (SO).....................................................................................................25

Ordering Information....................................................................................................................26

Related Documentation................................................................................................................26

Contact Information .....................................................................................................................26

Revision History ...................................................................................................................................27

Rev. 2

73S8024RN-20IM/F1 Related Products

	73S8024RN-20IM/F1	73S8024RN-20IMR/F1
Description	I/O controller interface IC smart card interface iso7816-3 & evm4.0	I/O controller interface IC smart card interface iso7816-3 & evm4.0
Is it lead-free?	Contains lead	Contains lead
Is it Rohs certified?	incompatible	incompatible
package instruction	HVQCCN,	HVQCCN,
Reach Compliance Code	compli	compli
ECCN code	EAR99	EAR99
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT	ANALOG CIRCUIT
JESD-30 code	S-XQCC-N20	S-XQCC-N20
length	4 mm	4 mm
Number of functions	1	1
Number of terminals	20	20
Maximum operating temperature	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C
Package body material	UNSPECIFIED	UNSPECIFIED
encapsulated code	HVQCCN	HVQCCN
Package shape	SQUARE	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	NOT SPECIFIED
Maximum seat height	0.9 mm	0.9 mm
Maximum supply voltage (Vsup)	5.5 V	5.5 V
Minimum supply voltage (Vsup)	2.7 V	2.7 V
surface mount	YES	YES
Temperature level	INDUSTRIAL	INDUSTRIAL
Terminal form	NO LEAD	NO LEAD
Terminal pitch	0.5 mm	0.5 mm
Terminal location	QUAD	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED
width	4 mm	4 mm
Base Number Matches	1	1

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