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: 11/30页
文件大小: 550K
代理商: ST8024CTR
ST8024
Electrical characteristics
11/30
Reset output to card reader (pin RST)
(V
DD
= 3.3V, V
DDP
= 5V, f
XTAL
= 10MHz, unless
otherwise noted. Typical values are to T
A
= 25°C)
Parameter
Test Conditions
Clock output to card reader (pin CLK)
(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 13.
Symbol
Min.
Typ.
Max.
Unit
V
O(inactive)
Output Voltage in Inactive
Mode
I
O(inactive)
= 1 mA
0
0.3
V
No Load
0
0.1
I
O(inactive)
Output Current
Inactive mode; pin grounded
0
-1
mA
t
D(RSTIN-RST)
RSTN to RST Delay
RST Enable
2
μs
V
OL
Low Level Output Voltage
I
OL
= 200 μA
0
0.2
V
I
OL
= 20 mA (current limit)
V
CC
-0.4
V
CC
V
OH
High Level Output Voltage
I
OH
= -200 μA
0.9V
CC
V
CC
V
I
OH
= -20 mA (current limit)
0
0.4
t
R,
t
F
Rise and fall time
C
L
= 100 pF; V
CC
= 5 or 3 V
0.1
μs
Table 14.
Symbol
Min.
Typ.
Max.
Unit
V
O(inactive)
Output voltage in inactive mode
I
O(inactive)
= 1 mA
0
0.3
V
No Load
0
0.1
I
O(inactive)
Output current
CLK Inactive mode; pin
grounded
0
-1
mA
V
OL
Low level output voltage
I
OL
= 200 μA
0
0.3
V
I
OL
= 70 mA (current
limit)
V
CC
-0.4
V
CC
V
OH
High level output voltage
I
OH
= -200 μA
0.9V
CC
V
CC
V
I
OH
= -70 mA (current
limit)
0
0.4
t
R,
t
F
δ
Rise and fall time
C
L
= 30 pF (
Note 4
)
16
ns
Duty factor (except for f
XTALS
)
C
L
= 30 pF (
Note 4
)
45
55
%
S
R
Slew rate
Slew up or down;
C
L
= 30 pF
0.2
V/ns
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