TDA8005AG datasheet(2/36 Pages) PHILIPS

Part #	TDA8005AG

Description	Low-power 3 V/5 V smart card coupler

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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2 / 36 page

1998 Mar 20

2

Philips Semiconductors

Preliminary speciﬁcation

Low-power (3 V/5 V) smart card coupler

TDA8005A

FEATURES

• Smart card supply (5 and 3 V ±5%, 20 mA maximum

with controlled rise and fall times)

• Smart card clock generation (up to 8 MHz), with two

times synchronous frequency doubling

• Clock STOP HIGH, clock STOP LOW or 1.25 MHz (from

internal oscillator) for cards power-down mode

• Specific UART on I/O for automatic direct/inverse

convention settings and error management at

character level

• Automatic activation and deactivation sequences

through an independent sequencer

• Supports the protocol T = 0 in accordance with

ISO 7816 GSM11.11 requirements (Global System for

Mobile communication); approved for Final GSM11.11

Test Approval (FTA)

• Several analog options are available for different

applications: doubler or tripler DC-to-DC converter, card

presence, active HIGH or LOW, threshold voltage

supervisor, etc.

• Overloads and take-off protections

• Current limitations in the event of short-circuit

• Special circuitry for killing spikes during power-on or off

• Supply supervisor

• Step-up converter (supply voltage from 2.5 to 6 V)

• Power-down and sleep mode for low power

consumption

• Enhanced ElectroStatic Discharge (ESD) protections on

card side (6 kV minimum)

• Control and communication through a standard RS232

full-duplex interface

• Optional additional I/O ports for:

– keyboard

– LEDs

– display

– etc.

• P80CL51 microcontroller core with 4-kbyte ROM and

256-byte RAM.

APPLICATIONS

• Portable smart card readers for protocol T = 0

• GSM mobile phones.

GENERAL DESCRIPTION

The TDA8005A is a low-cost card interface for portable

smart card readers. Controlled through a standard serial

interface, it takes care of all ISO 7816 and GSM11.11

requirements for both 5 and 3 V cards. It gives the card

and the set a very high level of security, due to its special

hardware against ESD, short-circuiting, power failure, etc.

Its integrated step-up converter allows operation within a

supply voltage range of 2.5 to 6 V.

The very low power consumption in power-down and sleep

modes saves battery power.

Development tools, application report and support

(hardware and software) are available.

ORDERING INFORMATION

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA8005AG

LQFP64

plastic low proﬁle quad ﬂat package; 64 leads; body 10

× 10 × 1.4 mm

SOT314-2

TDA8005AH

QFP44

plastic quad ﬂat package; 44 leads (lead length 1.3 mm);

body 10

× 10 × 1.75 mm

SOT307-2

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TDA8005AG Datasheet(PDF) 2 Page - NXP Semiconductors

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