TDA8024T datasheet(20/29 Pages) PHILIPS

20 / 29 page

2004 July 12

Philips Semiconductors

Product speciﬁcation

IC card interface

TDA8024

Data lines to microcontroller (pins I/OUC, AUX1UC and AUX2UC; with integrated 11 k

Ω pull-up resistors

to VDD)

VOL

LOW-level output voltage

IOL = 1 mA

−

0.3

VOH

HIGH-level output voltage

no DC load

0.9VDD

−

VDD + 0.1 V

5 and 3 V cards; IOH < −40 µA

0.75VDD

−

VDD + 0.1 V

VIL

LOW-level input voltage

−0.3

−

+0.3VDD

VIH

HIGH-level input voltage

0.7VDD

−

VDD + 0.3 V

ILIH

HIGH-level input leakage

current

VIH =VDD

−−

µA

IL

LOW-level input current

VIL =0V

−−

600

µA

Rpu

integrated pull-up resistor

pull-up resistor to VCC

911

Ω

tt(DI)

data input transition time

VIL(max) to VIH(min)

−−

1.2

µs

tt(DO)

data output transition time

Vo = 0 to VDD; CL < 30 pF;

10% to 90%

−−

0.1

µs

Ipu

current when pull-up active VOH = 0.9VDD; C = 30 pF

−1

−−

Internal oscillator

fOSC(int)

frequency of internal

oscillator

inactive mode

140

200

kHz

active mode

2.2

2.7

3.2

MHz

Reset output to card reader (pin RST)

Vo(inactive)

output voltage

inactive mode

no load

−

0.1

Io(inactive) =1mA

−

0.3

Io(inactive)

output current

inactive mode; pin grounded

−−1mA

td(RSTIN-RST)

RSTIN to RST delay

RST enabled

−−

µs

VOL

LOW-level output voltage

IOL = 200 µA0

−

0.2

IOL = 20 mA (current limit)

VCC − 0.4

−

VCC

VOH

HIGH-level output voltage

IOH = −200 µA

0.9VCC

−

VCC

IOH = −20 mA (current limit)

−

0.4

rise time

CL = 100 pF; VCC =5or 3V

−−

0.1

µs

fall time

CL = 100 pF; VCC =5or 3V

−−

0.1

µs

Clock output to card reader (pin CLK)

Vo(inactive)

output voltage

inactive mode

no load

−

0.1

Io(inactive) =1mA

−

0.3

Io(inactive)

output current

CLK inactive; pin grounded

−−1mA

VOL

LOW-level output voltage

IOL = 200 µA0

−

0.3

IOL = 70 mA (current limit)

VCC − 0.4

−

VCC

VOH

HIGH-level output voltage

IOH = −200 µA

0.9VCC

−

VCC

IOH = −70 mA (current limit)

−

0.4

rise time

CL = 30 pF; note 5

−−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP

MAX.

UNIT

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