Datasheet

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 kΩ pull-up resistors
to V
DD
)
V
OL
LOW-level output voltage I
OL
= 1 mA 0 − 0.3 V
V
OH
HIGH-level output voltage no DC load 0.9V
DD
− V
DD
+ 0.1 V
5 and 3 V cards; I
OH
< −40 µA 0.75V
DD
− V
DD
+ 0.1 V
V
IL
LOW-level input voltage −0.3 − +0.3V
DD
V
V
IH
HIGH-level input voltage 0.7V
DD
− V
DD
+ 0.3 V
I
LIH
 HIGH-level input leakage
current
V
IH
=V
DD
−−10 µA
I
L
 LOW-level input current V
IL
=0V −−600 µA
R
pu
integrated pull-up resistor pull-up resistor to V
CC
91113kΩ
t
t(DI)
data input transition time V
IL(max)
to V
IH(min)
−−1.2 µs
t
t(DO)
data output transition time V
o
= 0 to V
DD
; C
L
< 30 pF;
10% to 90%
−−0.1 µs
I
pu
current when pull-up active V
OH
= 0.9V
DD
; C = 30 pF −1 −− mA
Internal oscillator
f
OSC(int)
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)
V
o(inactive)
output voltage inactive mode
no load 0 − 0.1 V
I
o(inactive)
=1mA 0 − 0.3 V
I
o(inactive)
output current inactive mode; pin grounded 0 −−1mA
t
d(RSTIN-RST)
RSTIN to RST delay RST enabled −−2 µs
V
OL
LOW-level output voltage I
OL
= 200 µA0− 0.2 V
I
OL
= 20 mA (current limit) V
CC
− 0.4 − V
CC
V
V
OH
HIGH-level output voltage I
OH
= −200 µA 0.9V
CC
− V
CC
V
I
OH
= −20 mA (current limit) 0 − 0.4 V
t
r
rise time C
L
= 100 pF; V
CC
=5or3V −−0.1 µs
t
f
fall time C
L
= 100 pF; V
CC
=5or3V −−0.1 µs
Clock output to card reader (pin CLK)
V
o(inactive)
output voltage inactive mode
no load 0 − 0.1 V
I
o(inactive)
=1mA 0 − 0.3 V
I
o(inactive)
output current CLK inactive; pin grounded 0 −−1mA
V
OL
LOW-level output voltage I
OL
= 200 µA0− 0.3 V
I
OL
= 70 mA (current limit) V
CC
− 0.4 − V
CC
V
V
OH
HIGH-level output voltage I
OH
= −200 µA 0.9V
CC
− V
CC
V
I
OH
= −70 mA (current limit) 0 − 0.4 V
t
r
rise time C
L
= 30 pF; note 5 −−16 ns
SYMBOL PARAMETER CONDITIONS MIN. TYP MAX. UNIT