TDA8020HL Datasheet, PDF (13/24 Pages) NXP Semiconductors – Dual smart card interface

Philips Semiconductors
Dual smart card interface
Product specification
TDA8020HL
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
R_th(j-a)
thermal resistance from junction to ambient in free air
VALUE
80
UNIT
K/W
CHARACTERISTICS
V_DD = 3.3 V; V_DDI = 1.5 V; f_CLKIN1 = f_CLKIN2 = 10 MHz; GND = 0 V; T_amb = 25 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX.
Temperature
T_amb
ambient temperature
−25
Supply
V_DD
supply voltage on pins V_DD
2.5
and V_DDA
I_DD
supply current (I_DD and I_DDA) inactive mode
−
Power-down mode; 2 cards
−
activated; V_CC1 = V_CC2 = 5 V;
I_CC1 = I_CC2 = 100 µA; CLK1 and
CLK2 stopped
active mode; V_CC1 = V_CC2 = 5 V; −
I_CC1 + I_CC2 = 80 mA;
CLK1 = CLK2 = 5 MHz
active mode; V_CC1 = V_CC2 = 3 V; −
I_CC1 = I_CC2 = 10 mA;
CLK1 = CLK2 = 5 MHz
V_DDI
supply voltage for interface
1.5
signals
I_DDI
supply current for interface
−
signals
V_th1
threshold voltage on V_DD
falling
2.1
V_hys1
hysteresis on V_th1
50
V_th2
threshold voltage on
−
pin C_DEL
V_CDEL
voltage on pin C_DEL
−
I_CDEL
output current at pin C_DEL pin grounded (charge)
−
V_CDEL = V_DD (discharge)
−
t_W
width of the internal ALARM C_DEL = 22 nF
−
pulse
−
+85
−
6.5
−
150
−
2.5
−
400
−
80
−
V_DD
−
120
−
2.4
−
100
1.38 −
−
V_DD + 0.3
−2
−
5
−
10
−
DC/DC converter
f_int
internal oscillator frequency
V_UP
voltage on pin V_UP
at least one 5 V card
both cards 3 V
V_dt
detection voltage for doubler,
tripler and follower selection
2
2.5 3
−
5.5 −
−
4
−
−
3.4 −
UNIT
°C
V
µA
mA
mA
mA
V
µA
V
mV
V
V
µA
mA
ms
MHz
V
V
V
2001 Aug 15
13