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TDA8024 Datasheet, PDF (19/29 Pages) NXP Semiconductors – IC card interface | |||
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Philips Semiconductors
IC card interface
Product speciï¬cation
TDA8024
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP
MAX. UNIT
Crystal oscillator (pins XTAL1 and XTAL2)
CXTAL1,
external capacitance on depends on type of crystal or â
â
CXTAL2
pins XTAL1 and XTAL2 resonator used
fXTAL
crystal frequency
2
â
fXTAL1
frequency applied on
pin XTAL1
0
â
VIL
LOW-level input voltage on
pin XTAL1
â0.3
â
VIH
HIGH-level input voltage
on pin XTAL1
0.7VDD
â
15
pF
26
MHz
26
MHz
+0.3VDD V
VDD + 0.3 V
Data lines (pins I/O, I/OUC, AUX1, AUX2, AUX1UC and AUX2UC)
td(I/O-I/OUC), I/O to I/OUC, I/OUC to I/O
â
td(I/OUC-I/O) falling edge delay
tpu
active pull-up pulse width
â
fI/O(max)
maximum frequency on
â
data lines
Ci
input capacitance on data
â
lines
â
200
ns
â
100
ns
â
1
MHz
â
10
pF
Data lines to card reader (pins I/O, AUX1 and AUX2; with integrated 11 k⦠pull-up resistors to VCC)
Vo(inactive)
output voltage
inactive mode
no load
0
â
0.1
V
Io(inactive)
VOL
VOH
VIL
VIH
IIL
ILIH
Io(inactive) = 1 mA
â
â
output current
inactive mode; pin grounded â
â
LOW-level output voltage IOL = 1 mA
0
â
IOL ⥠15 mA
VCC â 0.4 â
HIGH-level output voltage no DC load
0.9VCC
â
5 and 3 V cards; IOH < â40 µA 0.75VCC â
IOH ⥠10 mA
0
â
LOW-level input voltage
0.3
â
HIGH-level input voltage
1.5
â
LOW-level input current VIL = 0 V
â
â
HIGH-level input leakage VIH = VCC
current
â
â
0.3
V
â1
mA
0.3
V
VCC
V
VCC + 0.1 V
VCC + 0.1 V
0.4
V
0.8
V
VCC + 0.3 V
600
µA
10
µA
tt(DI)
tt(DO)
data input transition time VIL(max) to VIH(min)
â
data output transition time Vo = 0 to VCC; CL ⤠80 pF;
â
10% to 90%
â
1.2
µs
â
0.1
µs
Rpu
integrated pull-up resistor pull-up resistor to VCC
9
11
13
kâ¦
Ipu
current when pull-up active VOH = 0.9VCC; C = 80 pF
â1
â
â
mA
2004 July 12
19
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