73S8024RN-20IMR datasheet, PDF

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73S8024RN-20IMR: DescriptionMicro Peripheral IC; CategoryThe embedded processor and controller Microcontrollers and processors; File Size268KB，2 Pages; ManufacturerTDK Corporation; Websitehttp://www.tdk.com

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73S8024RN-20IMR Overview

Micro Peripheral IC

73S8024RN-20IMR Parametric

Parameter Name	Attribute value
package instruction	,
Reach Compliance Code	unknown
Base Number Matches	1

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73S8024RN Product Brief

Low-Cost Smart Card Interface IC

• Approved for use with NDS Videoguard

and EMVco

• General Purpose, High Performance ISO-7816 Electrical Interface

• Replacement for Industry-Standard TDA8004

The 73S8024RN is a single smart card interface IC, compliant to the electrical requirements of

ISO-7816-3, EMV 4.0 and NDS electrical specifications. It is available either in a standard SO28

package, or in a 32-pin QFN package, or in a 20 QFN package (4x4 mm), the latter making it

the smallest solution available today in the market. It can be used in conjunction with any host

microcontroller that can support the smart card protocol layer.

In its SO28 package option, the TDK 73S8024RN is an advantageous replacement for the

industry-standard device TDA8004 since it offers better performance and requires fewer

external components.

A significant advantage of the 73S8024RN over existing IC solutions is the use of a Low

Drop-Out (LDO) voltage regulator to generate the card power supply (VCC) from a nomi-

nal power supply source (VPC) of 5V (or 3V when using 3V cards only). Digital circuitry is

separately powered by a digital power supply VDD, typically 3.3V, which is independent

from the 5V supply of the LDO regulator. The LDO exhibits improved noise performance

when compared to typical step-up converter based ICs, which generate a lot of undesired

noise and ripple causing problems when trying to comply with applicable standards. The

LDO architecture also allows the 73S8024RN to be the highest card current capable smart

card interface IC available today in the market, with up to 90mA minimum provided to the

card. Finally, the LDO regulator IC solution, with fewer external components, makes the

73S8024RN a more cost effective solution for high-volume smart card readers in consum-

er electronics applications such as set-top-boxes, digital TVs, or personal video recorders.

The 73S8024RN includes an ISO-7816 sequencer that controls the card activation/deactiva-

tion. The card itself is also better protected, compared with existing ICs, since the emergency

card deactivation is initiated upon 5 possible hardware faults. These faults are card extraction,

card over-current, VDD fault, VPC fault (LDO regulator power supply), VCC fault (card power

supply, output of the LDO regulator) or a die over-heating fault. The card over-current is a

true current detection circuit, as opposed to the traditional VCC voltage drop detector that is

implemented in most of the available ICs in the market. It guarantees a much cleaner card

deactivation upon current fault.

The VDD fault detection has a threshold voltage that can be adjusted with an external resistor

or resistor network, allowing automated card deactivation at a customized VDD voltage

threshold. This allows, for instance, customizing the automated card deactivation to match

the operating voltage range of the host microcontroller.

Key Applications

Conditional Access (NDS Approved):

for Set-Top-Boxes, DVD or HDD

recorders (Personal Video Recorders)

and Digital TVs

Payment Slot (EMV pre-Certified):

Point of Sales & Transaction Terminals

Control Access & Identification

Key Advantages

NDS-approved

Traditional step-up converter is

replaced by a LDO regulator:

•

Better noise performance

(typical factor 10:1 with existing

converter based ICs)

•

Highest card current interface in the

market: With 90mA for the ICC, it is

suitable for high-performance

smart cards and Secure Access

Modules

•

More cost-effective

True card over-current detection

Pin-to-pin compatible with industry

standards TDA8004

Requires fewer external components

than typical ICC interface ICs

•

Card clock STOP (high and low) mode

•

20 QFN (4 x 4 mm) package option:

The smallest card interface IC of the

industry!

ISO/IEC

7816-3

73S8024RN-20IMR Related Products

	73S8024RN-20IMR	73S8024RN-20IMR/F	73S8024RN-32IM	73S8024RN-20IM/F	73S8024RN-32IMR/F	73S8024RN-32IM/F	73S8024RN-32IMR
Description	Micro Peripheral IC	Micro Peripheral IC	Micro Peripheral IC	Micro Peripheral IC	Micro Peripheral IC	Micro Peripheral IC	Micro Peripheral IC
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown	unknown
Base Number Matches	1	1	1	1	1	1	1

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