st8024l STMicroelectronics, st8024l Datasheet - Page 9

• Manufacturer Part Number: st8024l
• Description: Smartcard Interface
• Manufacturer: STMicroelectronics

ST8024L
4
Table 6.
1. V
ΔV
V
V
V
Symbol
th(ext)rise
V
th(ext)fall
HYS(ext)
V
P
I
HYS(ext)
V
V
I
DDP
HYS2
DD
DDP
t
DD
TOT
I
DD
th2
W
L
= 3.3 V, V
Supply voltage
Supply voltage for the
step-up converter
Supply current
Step-up converter supply
current
Falling threshold voltage
on V
Hysteresis of threshold
voltage V
External rising threshold
voltage on V
External falling threshold
voltage on V
Hysteresis of threshold
voltage V
Hysteresis of threshold
voltage V
with temperature
Width of internal power-
on reset pulse
Leakage current on pin
PORADJ
Total power dissipation
Electrical characteristics
Electrical characteristics over recommended operating condition
DDP
DD
Parameter
= 5 V, f
th2
th(ext)
th(ext)
DD
DD
XTAL
variation
(1)
= 10 MHz, unless otherwise noted. Typical values are at T
V
For NDS application
V
For NDS application
V
V
V
Card inactive
Card active; f
Inactive mode
Active mode; f
|I
V
V
V
no external resistors at pin PORADJ;
V
no external resistors at pin PORADJ
external resistor bridge at pin PORADJ;
V
external resistor bridge at pin PORADJ;
V
external resistor bridge at pin PORADJ
external resistor bridge at pin PORADJ
no external resistor bridge at pin PORADJ
external resistor bridge at pin PORADJ
V
V
Continuous operation; T
CC
CC
CC
CC
CC
CC
CC
CC
CC
DD
DD
DD
PORADJ
PORADJ
| = 0
= 5 V; |I
= 3 V; |I
= 5 V; |I
= 3 V; |I
= 1.8 V; |I
= 5 V; |I
= 3 V; |I
= 1.8 V; |I
level falling
level rising
level falling
Doc ID 17709 Rev 3
< 0.5 V
> 1.0 V
CC
CC
CC
CC
CC
CC
Test conditions
CLK
CLK
CC
CC
| < 80 mA
| < 65 mA
| < 20 mA
| < 20 mA
| = 80 mA
| = 65 mA
| < 20 mA
| = 45 mA
= f
= f
XTAL
XTAL
A
; C
; C
= –25 to 85 °C
L
L
= 30 pF
= 30 pF;
A
= 25 °C.
Min.
2.35
1.17
1.11
–0.1
2.7
4.0
4.0
3.0
2.7
2.7
50
30
–1
Electrical characteristics
4
8
Typ.
2.45
1.20
1.14
100
50
50
30
60
16
5
5
8
4
Max.
2.55
1.23
1.17
0.25
0.56
150
200
100
6.5
6.5
6.5
6.5
6.5
6.5
1.2
1.5
0.1
10
60
90
12
24
10
1
mV/K
Unit
mA
mA
mV
mV
ms
µA
W
9/33
V
V
V
V
V