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| TDA8025 Datasheet, PDF (26/38 Pages) NXP Semiconductors – IC card interface | |||
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NXP Semiconductors
TDA8025
IC card interface
Table 8. Characteristics of IC supply voltage â¦continued
Tamb = 25 °C; all parameters remain within limits but are only statistically tested for the temperature range; fxtal = 10 MHz; all
currents ï¬owing into the IC are positive; unless otherwise speciï¬ed. Parameters speciï¬ed as a function of
VDD(INTF), VDDI(REG), VDD(INTREGD) or VCC refer to the actual value at the time of measurement.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
IIH
HIGH-level input pin I/O; VIH = VCC
-
-
10
µA
current
tr(i)
input rise time VIL maximum to
-
-
1.2
µs
VIH minimum
tr(o)
output rise time CL ⤠80 pF; 10 % to 90 %;
-
-
0.1
µs
0 V to VCC
tf(i)
input fall time
VIL maximum to
-
-
1.2
µs
VIH minimum
tf(o)
output fall time CL ⤠80 pF; 10 % to 90 %;
-
-
0.1
µs
0 V to VCC
Rpu
pull-up
between I/O and VCC
8
11
13
kâ¦
resistance
IOH
HIGH-level
pin I/O when active
â8
â6
â4
mA
output current pull-up; VOH = 0.9VCC;
C = 80 pF
Data lines to the system: pins I/OUC, AUX1UC and AUX2UC[5]
VOL
LOW-level output IOL = 1 mA
voltage
0
-
0.3
V
VOH
HIGH-level
no DC load
output voltage IOH ⤠40 µA;
VDD(INTF) > 2 V
IOH ⤠20 µA;
VDD(INTF) < 2 V
VIL
LOW-level input
voltage
0.9VDD(INTF) -
0.75VDD(INTF) -
0.75VDD(INTF) -
â0.3
-
VDD(INTF) + 0.1 V
VDD(INTF) + 0.1 V
VDD(INTF) + 0.1 V
+0.3VDD(INTF)
V
VIH
HIGH-level input
voltage
0.7VDD(INTF) -
VDD(INTF) + 0.3 V
Vhys
hysteresis
pin I/OUC
voltage
-
0.19VDD(INTF) -
V
IIH
HIGH-level input pin I/OUC; VIH = VDD(INTF)
-
-
10
µA
current
IIL
LOW-level input pin I/OUC; VIL = 0 V
-
-
600
µA
current
Rpu
pull-up
between I/OUC and
8
11
13
kâ¦
resistance
VDD(INTF)
tr(i)
input rise time VIL maximum to
-
-
1.2
µs
VIH minimum
tr(o)
output rise time CL ⤠80 pF; 10 % to 90 %; -
-
0.1
µs
0 V to VCC
tf(i)
input fall time
VIL maximum to
-
-
1.2
µs
VIH minimum
tf(o)
output fall time CL ⤠80 pF; 10 % to 90 %;
-
-
0.1
µs
0 V to VCC
TDA8025_1
Product data sheet
Rev. 01 â 6 April 2009
© NXP B.V. 2009. All rights reserved.
26 of 38
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