参数资料
型号: ST8024CTR
厂商: 意法半导体
英文描述: Smartcard interface
中文描述: 智能卡接口
文件页数: 7/30页
文件大小: 550K
代理商: ST8024CTR
ST8024
Electrical characteristics
7/30
4
Electrical characteristics
Electrical characteristics over recommended operating condition
(V
DD
= 3.3V, V
DDP
=
5V, f
XTAL
= 10MHz, unless otherwise noted. Typical values are to T
A
= 25°C)
Parameter
Test Conditions
Table 5.
Symbol
Min.
Typ.
Max.
Unit
V
DD
Supply voltage
2.7
6.5
V
V
DDP
Supply voltage for the
voltage doubler
V
CC
= 5V; |I
CC
| < 80 mA
4.0
5
6.5
V
V
CC
= 5V; |I
CC
| < 20 mA
3.0
6.5
I
DD
Supply current
Card Inactive
1.2
mA
Card Active; f
CLK
= f
XTAL
; C
L
= 30pF
1.5
I
DDP
DC/DC converter supply
current
Inactive mode
0.1
mA
Active mode; f
CLK
= f
XTAL
; C
L
= 30pF; |I
CC
|
= 0
10
V
CC
= 5V; |I
CC
| = 80 mA
200
V
CC
= 3V; |I
CC
| = 65 mA
100
V
th2
Falling threshold voltage
on V
DD
no external resistors at pin PORADJ;
V
DD
level falling
2.35
2.45
2.55
V
V
HYS2
Hysteresis of threshold
voltage V
th2
no external resistors at pin PORADJ
50
100
150
mV
V
th(ext)rise
External rising threshold
voltage on V
DD
external resistor bridge at pin PORADJ;
V
DD
level rising
1.25
1.28
1.31
V
V
th(ext)fall
External falling threshold
voltage on V
DD
external resistor bridge at pin PORADJ;
V
DD
level falling
1.19
1.22
1.25
V
V
HYS(ext)
Hysteresis of threshold
voltage V
th(ext)
external resistor bridge at pin PORADJ
30
60
90
mV
V
HYS(ext)
Hysteresis of threshold
voltage V
th(ext)
variation
with temperature
external resistor bridge at pin PORADJ
0.25
mV/K
t
W
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
I
L
Leakage current on pin
PORADJ
V
PORADJ
< 0.5 V
-0.1
4
10
μA
V
PORADJ
> 1.0 V
-1
1
P
TOT
Total power dissipation
Continuous operation; T
a
= -25 to 85°C
0.56
W
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