ST8024CD View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
ST8024CD Datasheet PDF : 23 Pages
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ST8024
Table 5: Electrical Characteristics Over Recommended Operating Conditions (VDD = 3.3V, VDDP =
5V, fXTAL = 10MHz, unless otherwise noted. Typical values are to Ta = 25°C)
Symbol
Parameter
Test Conditions
VDD Supply Voltage
VDDP Supply Voltage for the
voltage doubler
VCC = 5V; |ICC| < 80 mA
VCC = 5V; |ICC| < 20 mA
IDD Supply Current
Card Inactive
Card Active; fCLK = fXTAL; CL = 30pF
IDDP
DC/DC converter Supply
Current
Inactive mode
Active mode; fCLK = fXTAL; CL = 30pF;
|ICC| = 0
VCC = 5V; |ICC| = 80 mA
VCC = 3V; |ICC| = 65 mA
Vth2 Falling Threshold Voltage no external resistors at pin PORADJ;
on VDD
VDD level falling
VHYS2 Hysteresis of Threshold
Voltage Vth2
no external resistors at pin PORADJ
Vth(ext)rise External rising Threshold external resistor bridge at pin PORADJ;
Voltage on VDD
VDD level rising
Vth(ext)fall External falling Threshold external resistor bridge at pin PORADJ;
Voltage on VDD
VDD level falling
VHYS(ext) Hysteresis of Threshold
Voltage Vth(ext)
external resistor bridge at pin PORADJ
∆VHYS(ext) Hysteresis of Threshold
Voltage Vth(ext) variation
with temperature
external resistor bridge at pin PORADJ
tW Width of internal Power-On no external resistor at pin PORADJ
reset pulse
external resistor bridge at pin PORADJ
IL
Leakage current on pin
VPORADJ < 0.5 V
PORADJ
VPORADJ > 1.0 V
PTOT Total power dissipation
Continuous operation; Ta = -25 to 85°C
Min.
2.7
4.0
3.0
Typ.
5
Max. Unit
6.5
V
6.5
V
6.5
1.2 mA
1.5
0.1 mA
10
200
100
2.35 2.45 2.55
V
50
100 150 mV
1.18 1.21 1.24
V
1.12 1.15 1.18
V
30
60
90 mV
0.25 mV/K
4
8
8
16
-0.1
4
12
ms
24
10
µA
-1
1
0.56 W
Table 6: Step-up Converter (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless otherwise noted. Typical
values are to Ta = 25°C)
Symbol
Parameter
fCLK
Vth(vd-vf)
VUP(av)
Clock Frequency
Threshold voltage for
Step-up Converter to
change to voltage follower
Output Voltage on pin VUP
(average value)
Test Conditions
Card active
5 V card
3 V card
VCC = 5 V
VCC = 3 V; VDDP = 3.3 V
Min.
2.2
5.2
3.8
5.2
3.5
Typ.
5.8
4.1
5.7
3.9
Max.
3.2
6.2
4.4
Unit
MHz
V
6.2
V
4.3
5/23
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