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TDA8024 Datasheet, PDF (20/29 Pages) NXP Semiconductors – IC card interface
◁
Philips Semiconductors
IC card interface
Product specification
TDA8024
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP
MAX. UNIT
Data lines to microcontroller (pins I/OUC, AUX1UC and AUX2UC; with integrated 11 kΩ pull-up resistors
to VDD)
VOL
VOH
VIL
VIH
ILIH
LOW-level output voltage IOL = 1 mA
0
−
HIGH-level output voltage no DC load
0.9VDD
−
5 and 3 V cards; IOH < −40 µA 0.75VDD −
LOW-level input voltage
−0.3
−
HIGH-level input voltage
0.7VDD
−
HIGH-level input leakage VIH = VDD
current
−
−
0.3
V
VDD + 0.1 V
VDD + 0.1 V
+0.3VDD V
VDD + 0.3 V
10
µA
IL
Rpu
tt(DI)
tt(DO)
LOW-level input current VIL = 0 V
−
integrated pull-up resistor pull-up resistor to VCC
9
data input transition time VIL(max) to VIH(min)
−
data output transition time Vo = 0 to VDD; CL < 30 pF;
−
10% to 90%
−
600
µA
11
13
kΩ
−
1.2
µs
−
0.1
µs
Ipu
current when pull-up active VOH = 0.9VDD; C = 30 pF
−1
−
−
mA
Internal oscillator
fOSC(int)
frequency of internal
oscillator
inactive mode
active mode
55
140
200
kHz
2.2
2.7
3.2
MHz
Reset output to card reader (pin RST)
Vo(inactive)
output voltage
Io(inactive)
td(RSTIN-RST)
VOL
output current
RSTIN to RST delay
LOW-level output voltage
VOH
HIGH-level output voltage
tr
rise time
tf
fall time
Clock output to card reader (pin CLK)
inactive mode
no load
Io(inactive) = 1 mA
inactive mode; pin grounded
RST enabled
IOL = 200 µA
IOL = 20 mA (current limit)
IOH = −200 µA
IOH = −20 mA (current limit)
CL = 100 pF; VCC = 5 or 3 V
CL = 100 pF; VCC = 5 or 3 V
0
−
0
−
0
−
−
−
0
−
VCC − 0.4 −
0.9VCC
−
0
−
−
−
−
−
0.1
V
0.3
V
−1
mA
2
µs
0.2
V
VCC
V
VCC
V
0.4
V
0.1
µs
0.1
µs
Vo(inactive)
Io(inactive)
VOL
VOH
tr
output voltage
output current
LOW-level output voltage
HIGH-level output voltage
rise time
inactive mode
no load
Io(inactive) = 1 mA
CLK inactive; pin grounded
IOL = 200 µA
IOL = 70 mA (current limit)
IOH = −200 µA
IOH = −70 mA (current limit)
CL = 30 pF; note 5
0
−
0
−
0
−
0
−
VCC − 0.4 −
0.9VCC
−
0
−
−
−
0.1
V
0.3
V
−1
mA
0.3
V
VCC
V
VCC
V
0.4
V
16
ns
2004 July 12
20
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