TDA8024AT datasheet(19/29 Pages) PHILIPS

19 / 29 page

2004 July 12

Philips Semiconductors

Product speciﬁcation

IC card interface

TDA8024

Crystal oscillator (pins XTAL1 and XTAL2)

CXTAL1,

CXTAL2

external capacitance on

pins XTAL1 and XTAL2

depends on type of crystal or

resonator used

−−

fXTAL

crystal frequency

−

MHz

fXTAL1

frequency applied on

pin XTAL1

−

MHz

VIL

LOW-level input voltage on

pin XTAL1

−0.3

−

+0.3VDD

VIH

HIGH-level input voltage

on pin XTAL1

0.7VDD

−

VDD + 0.3 V

Data lines (pins I/O, I/OUC, AUX1, AUX2, AUX1UC and AUX2UC)

td(I/O-I/OUC),

td(I/OUC-I/O)

I/O to I/OUC, I/OUC to I/O

falling edge delay

−−

200

tpu

active pull-up pulse width

−−

100

fI/O(max)

maximum frequency on

data lines

−−

MHz

input capacitance on data

lines

−−

Data lines to card reader (pins I/O, AUX1 and AUX2; with integrated 11 k

Ω pull-up resistors to VCC)

Vo(inactive)

output voltage

inactive mode

no load

−

0.1

Io(inactive) =1mA

−−

0.3

Io(inactive)

output current

inactive mode; pin grounded

−−

−1mA

VOL

LOW-level output voltage

IOL = 1 mA

−

0.3

IOL ≥ 15 mA

VCC − 0.4

−

VCC

VOH

HIGH-level output voltage

no DC load

0.9VCC

−

VCC + 0.1 V

5 and 3 V cards; IOH < −40 µA

0.75VCC

−

VCC + 0.1 V

IOH≥ 10 mA

−

0.4

VIL

LOW-level input voltage

0.3

−

0.8

VIH

HIGH-level input voltage

1.5

−

VCC + 0.3 V

IIL

LOW-level input current

VIL =0V

−−

600

µA

ILIH

HIGH-level input leakage

current

VIH =VCC

−−

µA

tt(DI)

data input transition time

VIL(max) to VIH(min)

−−

1.2

µs

tt(DO)

data output transition time

Vo = 0 to VCC; CL ≤ 80 pF;

10% to 90%

−−

0.1

µs

Rpu

integrated pull-up resistor

pull-up resistor to VCC

911

Ω

Ipu

current when pull-up active VOH = 0.9VCC; C = 80 pF

−1

−−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP

MAX.

UNIT

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