ST8024 STMicroelectronics, ST8024 Datasheet - Page 6

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

www.DataSheet4U.com
ST8024
Table 7: Card Supply Voltage Characteristics (V
unless otherwise noted. Typical values are to T
Table 8: Crystal Connection (PINS XTAL1 AND XTAL2) (V
unless otherwise noted. Typical values are to T
Table 9: Data Lines (PINS I/O, I/OUC, AUX1, AUX2, AUX1UC AND AUX2UC) (V
f
6/23
XTAL
t
C
Symbol
t
D(I/O-I/OUC),
Symbol
D(I/OUC-I/O)
(RIPPLE)
f
XTAL1,2
Symbol
f
f
XTAL1
C
I/O(MAX)
XTAL
V
V
(P-P)
|I
V
V
S
VCC
CC
CC
CC
IH
IL
t
C
R
pu
= 10MHz, unless otherwise noted. Typical values are to T
|
I
External capacitance on
pins XTAIL1, XTAIL2
Crystal Frequency
Frequency applied on pin
XTAL1
High level input voltage on
pin XTAIL1
Low level input voltage on
pin XTAIL1
External Capacitance on pin
V
Card Supply Voltage
(including ripple voltage)
Ripple voltage on V
(Peak to Peak value)
Card Supply Current
Slew Rate
CC
I/O to I/OUC, I/OUC to I/O
falling edge delay
Active pull-up pulse width
Maximum frequency on
data lines
Input capacitance on data
lines
Parameter
Parameter
Parameter
CC
Depends on type of crystal or resonator
used
Notes 2 and 3
Card Inactive; |I
Card Inactive; |I
Card Active; |I
Card Active; |I
Card Active; single current
pulse I
Card Active; single current
pulse I
Card active; current pulses,
Q
Card Active; current pulses
Q
|I
f
V
V
V
Slew up or down
RIPPLE
CC
CC
CC
CC
P
P
= 40 nAs
=40 nAs with
| < 200mA, t
= 0 to 5V
= 0 to 3V
short circuit to GND
P
P
= 20 KHz to 200 MHz
=-100 mA; t
=-100 mA; t
Test Conditions
a
a
Test Conditions
Test Conditions
= 25°C) (Note 1)
= 25°C)
CC
CC
CC
CC
p
DD
| < 80 mA
| < 65 mA
< 400 ns
| = 0 mA
| = 1 mA
p
p
= 3.3V, V
=2 µs
=2 µs
DD
5 and 3V card
5 and 3V card
5 V card
3 V card
5 V card
3 V card
5 V card
3 V card
5 V card
3 V card
a
DDP
= 3.3V, V
= 25°C)
= 5V, f
0.7 V
DDP
XTAL
Min.
Min.
-0.3
2
0
Min.
4.75
2.85
4.65
2.76
4.65
2.76
4.65
2.76
0.08
-0.1
-0.1
DD
80
90
= 5V, f
= 10MHz,
DD
Typ.
Typ.
XTAL
Typ.
0.15
= 3.3V, V
0
0
5
3
5
3
5
3
5
3
V
+0.3V
= 10MHz,
Max.
DD
Max.
200
100
10
Max.
5.25
3.15
5.25
3.20
5.25
3.20
5.25
3.20
0.22
15
26
26
1
220
350
120
0.1
0.3
80
65
+0.3
DDP
DD
MHz
Unit
MHz
MHz
Unit
V/µs
= 5V,
Unit
pF
mV
mA
ns
ns
nF
pF
V
V
V