ST8024 STMicroelectronics, ST8024 Datasheet - Page 8

• Manufacturer Part Number: ST8024
• Description: SMARTCARD INTERFACE
• Manufacturer: STMicroelectronics

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ST8024
Table 12: Internal Oscillator (V
Typical values are to T
Table 13: Reset Output To Card Reader (PIN RST) (V
otherwise noted. Typical values are to T
Table 14: Clock Output To Card Reader (PIN CLK) (V
otherwise noted. Typical values are to T
Table 15: Control Inputs (PINS CLKDIV1, CLKDIV2, CMDVCC, RSTIN AND 5V/3V
(V
5)
8/23
f
Symbol
t
OSC(INT)
D(RSTIN-RST)
V
Symbol
V
I
DD
I
Symbol
O(inactive)
Symbol
O(inactive)
O(inactive)
O(inactive)
|I
|I
V
V
t
V
LIH
t
V
LIL
R,
V
V
R,
S
IH
IL
δ
= 3.3V, V
OH
OL
OH
OL
R
t
|
|
t
F
F
Frequency of internal
oscillator
Input Voltage LOW
Input Voltage HIGH
Input Leakage Current HIGH V
Input Leakage Current LOW
Output Voltage in Inactive
Mode
Output Current
Low Level Output Voltage
High Level Output Voltage I
Rise and fall time
Duty factor (except for
f
Slew Rate
XTALS
Output Voltage in Inactive
Mode
Output Current
RSTN to RST Delay
Low Level Output Voltage
High Level Output Voltage
Rise and fall time
DDP
Parameter
)
= 5V, f
Parameter
Parameter
Parameter
a
= 25°C)
XTAL
= 10MHz, unless otherwise noted. Typical values are to T
DD
Inactive mode
Active mode
= 3.3V, V
I
No Load
CLK Inactive mode; pin grounded
I
I
I
C
C
Slew up or down; C
V
O(inactive)
OL
OL
OH
OH
L
L
IH
IL
a
a
= 30 pF (Note 4)
= 30 pF (Note 4)
I
No Load
Inactive mode; pin grounded
RST Enable
I
I
I
I
C
= 200 µA
= 70 mA (current limit)
= -200 µA
= -70 mA (current limit)
O(inactive)
OL
OL
OH
OH
= 0
= V
= 25°C)
= 25°C)
L
= 100 pF; V
= 200 µA
= 20 mA (current limit)
= -200 µA
= -20 mA (current limit)
DD
Test Conditions
DDP
Test Conditions
= 1 mA
Test Conditions
Test Conditions
= 1 mA
= 5V, f
CC
L
XTAL
DD
= 30 pF
DD
= 5 or 3 V
= 3.3V, V
= 3.3V, V
= 10MHz, unless otherwise noted.
DDP
DDP
V
V
0.9V
0.9V
0.7V
CC
CC
Min.
Min.
Min.
-0.3
0.2
45
0
0
0
0
0
0
0
0
0
0
-0.4
-0.4
= 5V, f
= 5V, f
CC
CC
DD
Min.
2.2
55
XTAL
XTAL
Typ.
Typ.
Typ.
Typ.
140
2.7
= 10MHz, unless
= 10MHz, unless
a
0.3V
Max.
Max.
Max.
V
V
V
V
V
0.3
0.1
0.3
0.4
= 25°C) (Note
0.3
0.1
0.2
0.4
0.1
Max.
16
55
-1
-1
2
200
CC
CC
CC
CC
DD
1
1
3.2
DD
MHz
Unit
Unit
V/ns
Unit
Unit
kHz
mA
mA
µA
µA
µs
µs
ns
%
V
V
V
V
V
V
V
V