2004 July 12

20

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

LOW-level output voltage

0

−

0.3

V

HIGH-level output voltage

no DC load

−

−

LOW-level input voltage

−0.3

−

V

HIGH-level input voltage

−

HIGH-level input leakage

current

−−

10

µA

LOW-level input current

−−

600

µA

integrated pull-up resistor

911

13

k

Ω

data input transition time

−−

1.2

µs

data output transition time

10% to 90%

−−

0.1

µs

−1

−−

mA

Internal oscillator

frequency of internal

oscillator

inactive mode

55

140

200

kHz

active mode

2.2

2.7

3.2

MHz

Reset output to card reader (pin RST)

output voltage

inactive mode

no load

0

−

0.1

V

0

−

0.3

V

output current

inactive mode; pin grounded

0

−−1mA

RSTIN to RST delay

RST enabled

−−

2

µs

LOW-level output voltage

−

0.2

V

−

V

HIGH-level output voltage

−

V

0

−

0.4

V

rise time

−−

0.1

µs

fall time

−−

0.1

µs

Clock output to card reader (pin CLK)

output voltage

inactive mode

no load

0

−

0.1

V

0

−

0.3

V

output current

CLK inactive; pin grounded

0

−−1mA

LOW-level output voltage

−

0.3

V

−

V

HIGH-level output voltage

−

V

0

−

0.4

V

rise time

−−

16

ns

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP

MAX.

UNIT