Datasheet

TDA8025_1 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 01 — 6 April 2009 28 of 38
NXP Semiconductors
TDA8025
IC card interface
[1] Two decoupling capacitors connected in parallel to V
DD(INTREGD)
rated at 100 nF and 1 µF.
Control inputs: pins CLKDIV1, CLKDIV2, CMDVCCN, RSTIN, VCC_SEL2, VCC_SEL1 and ENCLKIN
[7]
V
IL
LOW-level input
voltage
−0.3 - +0.3V
DD(INTF)
V
V
IH
HIGH-level input
voltage
0.7V
DD(INTF)
-V
DD(INTF)
+ 0.3 V
V
hys
hysteresis
voltage
control inputs - 0.14V
DD(INTF)
-V
I
IL
LOW-level input
current
V
IL
= 0 V - - 1 µA
I
IH
HIGH-level input
current
V
IH
=V
DD(INTF)
--1 µA
Control inputs CMDVCCN and CONFIG
[7]
f
CMDVCCN
frequency on pin
CMDVCCN
- - 150 kHz
V
IL
LOW-level input
voltage
−0.3 - +0.3V
DD(INTF)
V
V
IH
HIGH-level input
voltage
0.7
V
DD(INTREGD)
-V
DD(INTREGD)
+
0.3
V
V
hys
hysteresis
voltage
pin CONFIG - 0.14V
DD(INTF)
-V
I
IL
LOW-level input
current
V
IL
= 0 V - - 1 µA
I
IH
HIGH-level input
current
V
IH
= V
DD(INTREGD)
--1 µA
Card detection inputs: pins PRES and PRESN
[7][8][9]
V
IL
LOW-level input
voltage
−0.3 - +0.3V
DD(INTREGD)
V
V
IH
HIGH-level input
voltage
0.7
V
DD(INTREGD)
-V
DD(INTREGD)
+
0.3
V
V
hys
hysteresis
voltage
pins PRES and PRESN - 0.17
V
DD(INTREGD)
-V
I
IL
LOW-level input
current
V
IL
= 0 V - - 5 µA
I
IH
HIGH-level input
current
V
IH
=V
DD(INTREGD)
--5 µA
OFFN output
[10]
: pin OFFN
V
OL
LOW-level output
voltage
I
OL
= 2 mA 0 - 0.3 V
V
OH
HIGH-level
output voltage
I
OH
= −15 µA 0.75V
DD(INTF)
-- V
R
pu
pull-up
resistance
to V
DD
16 20 24 kΩ
Table 8. Characteristics of IC supply voltage
…continued
T
amb
=25 ° C; all parameters remain within limits but are only statistically tested for the temperature range; f
xtal
= 10 MHz; all
currents flowing into the IC are positive; unless otherwise specified. Parameters specified as a function of
V
DD(INTF)
,V
DDI(REG)
, V
DD(INTREGD)
or V
CC
refer to the actual value at the time of measurement.
Symbol Parameter Conditions Min Typ Max Unit