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ST8024 数据表(PDF) 7 Page - STMicroelectronics

部件名 ST8024
功能描述  Smartcard interface
PDF  30 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST8024 数据表(HTML) 7 Page - STMicroelectronics

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ST8024
Electrical characteristics
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4
Electrical characteristics
Table 5.
Electrical characteristics over recommended operating condition (VDD = 3.3V, VDDP =
5V, fXTAL = 10MHz, unless otherwise noted. Typical values are to TA = 25°C)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Supply voltage
2.7
6.5
V
VDDP
Supply voltage for the
voltage doubler
VCC = 5V; |ICC| < 80 mA
4.0
5
6.5
V
VCC = 5V; |ICC| < 20 mA
3.0
6.5
IDD
Supply current
Card Inactive
1.2
mA
Card Active; fCLK = fXTAL; CL = 30pF
1.5
IDDP
DC/DC converter supply
current
Inactive mode
0.1
mA
Active mode; fCLK = fXTAL; CL = 30pF; |ICC|
= 0
10
VCC = 5V; |ICC| = 80 mA
200
VCC = 3V; |ICC| = 65 mA
100
Vth2
Falling threshold voltage
on VDD
no external resistors at pin PORADJ;
VDD level falling
2.35
2.45
2.55
V
VHYS2
Hysteresis of threshold
voltage Vth2
no external resistors at pin PORADJ
50
100
150
mV
Vth(ext)rise
External rising threshold
voltage on VDD
external resistor bridge at pin PORADJ;
VDD level rising
1.25
1.28
1.31
V
Vth(ext)fall
External falling threshold
voltage on VDD
external resistor bridge at pin PORADJ;
VDD level falling
1.19
1.22
1.25
V
VHYS(ext)
Hysteresis of threshold
voltage Vth(ext)
external resistor bridge at pin PORADJ
30
60
90
mV
∆VHYS(ext)
Hysteresis of threshold
voltage Vth(ext) variation
with temperature
external resistor bridge at pin PORADJ
0.25
mV/K
tW
Width of internal Power-
On reset pulse
no external resistor at pin PORADJ
4
8
12
ms
external resistor bridge at pin PORADJ
8
16
24
IL
Leakage current on pin
PORADJ
VPORADJ < 0.5 V
-0.1
4
10
µA
VPORADJ > 1.0 V
-1
1
PTOT
Total power dissipation
Continuous operation; Ta = -25 to 85°C
0.56
W



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