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ST8024CTR bảng dữ liệu(PDF) 8 Page - STMicroelectronics

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ST8024CTR bảng dữ liệu(HTML) 8 Page - STMicroelectronics

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Table 12: Internal Oscillator (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless otherwise noted.
Typical values are to Ta = 25°C)
Table 13: Reset Output To Card Reader (PIN RST) (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless
otherwise noted. Typical values are to Ta = 25°C)
Table 14: Clock Output To Card Reader (PIN CLK) (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless
otherwise noted. Typical values are to Ta = 25°C)
Table 15: Control Inputs (PINS CLKDIV1, CLKDIV2, CMDVCC, RSTIN AND 5V/3V
(VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless otherwise noted. Typical values are to Ta = 25°C) (Note
5)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
fOSC(INT) Frequency of internal
oscillator
Inactive mode
55
140
200
kHz
Active mode
2.2
2.7
3.2
MHz
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO(inactive)
Output Voltage in Inactive
Mode
IO(inactive) = 1 mA
0
0.3
V
No Load
0
0.1
IO(inactive)
Output Current
Inactive mode; pin grounded
0
-1
mA
tD(RSTIN-RST) RSTN to RST Delay
RST Enable
2
µs
VOL
Low Level Output Voltage
IOL = 200 µA
0
0.2
V
IOL = 20 mA (current limit)
VCC-0.4
VCC
VOH
High Level Output Voltage
IOH = -200 µA
0.9VCC
VCC
V
IOH = -20 mA (current limit)
0
0.4
tR, tF
Rise and fall time
CL = 100 pF; VCC = 5 or 3 V
0.1
µs
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO(inactive)
Output Voltage in Inactive
Mode
IO(inactive) = 1 mA
0
0.3
V
No Load
0
0.1
IO(inactive)
Output Current
CLK Inactive mode; pin grounded
0
-1
mA
VOL
Low Level Output Voltage
IOL = 200 µA
0
0.3
V
IOL = 70 mA (current limit)
VCC-0.4
VCC
VOH
High Level Output Voltage IOH = -200 µA
0.9VCC
VCC
V
IOH = -70 mA (current limit)
0
0.4
tR, tF
Rise and fall time
CL = 30 pF (Note 4)
16
ns
δ
Duty factor (except for
fXTALS)
CL = 30 pF (Note 4)
45
55
%
SR
Slew Rate
Slew up or down; CL = 30 pF
0.2
V/ns
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VIL
Input Voltage LOW
-0.3
0.3VDD
V
VIH
Input Voltage HIGH
0.7VDD
VDD
V
|ILIH|
Input Leakage Current HIGH VIH = VDD
1µA
|ILIL|
Input Leakage Current LOW
VIL = 0
1
µA



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