Datasheet

Electrical characteristics ST8024L
10/35 Doc ID 17709 Rev 5
5 Electrical characteristics
Table 6. Electrical characteristics over recommended operating condition
Symbol Parameter
(1)
Test conditions Min. Typ. Max. Unit
V
DD
Supply voltage 2.7 6.5 V
V
DDP
Supply voltage for the
step-up converter
V
CC
= 5 V; |I
CC
| < 80 mA 4.0 5 6.5
V
V
CC
= 3 V; |I
CC
| < 65 mA 4.0 5 6.5
V
CC
= 5 V; |I
CC
| < 20 mA 3.0 6.5
V
CC
= 3 V; |I
CC
| < 20 mA 2.7 6.5
V
CC
= 1.8 V; |I
CC
| < 20 mA 2.7 6.5
I
DD
Supply current
Card inactive 1.2
mA
Card active; f
CLK
= f
XTAL
; C
L
= 30 pF 1.5
I
DDP
Step-up converter supply
current
Inactive mode 0.1
mA
Active mode; f
CLK
= f
XTAL
; C
L
= 30 pF;
|I
CC
| = 0
10
V
CC
= 5 V; |I
CC
| = 80 mA 50 200
V
CC
= 3 V; |I
CC
| = 65 mA 50 100
V
CC
= 1.8 V; |I
CC
| = 45 mA 30 60
V
th2
Falling threshold voltage
on V
DD
No external resistors at pin PORADJ;
V
DD
level falling. See Figure 4.
2.35 2.45 2.55 V
V
HYS2
Hysteresis of threshold
voltage V
th2
No external resistors at pin PORADJ.
See Figure 4.
50 100 150 mV
V
th(ext)rise
External rising threshold
voltage at pin PORADJ
External resistor divider at pin PORADJ;
V
DD
level rising. See Section 6.2.2.
1.17 1.20 1.23 V
V
th(ext)fall
External falling threshold
voltage at pin PORADJ
External resistor divider at pin PORADJ;
V
DD
level falling. See Section 6.2.2.
1.11 1.14 1.17 V
V
HYS(ext)
Hysteresis of threshold
voltage V
th(ext)
External resistor divider at pin PORADJ.
See Section 6.2.2.
30 60 90 mV
ΔV
HYS(ext)
Hysteresis of threshold
voltage V
th(ext)
variation
with temperature
External resistor divider at pin PORADJ 0.25 mV/K
t
W
Width of internal power-
on reset pulse
No external resistor divider at pin
PORADJ
4812
ms
External resistor divider at pin PORADJ 8 16 24
I
L
Leakage current on pin
PORADJ
V
PORADJ
< 0.5 V –0.1 4 10
µA
V
PORADJ
> 1.0 V –1 1
P
TOT
Total power dissipation Continuous operation; T
A
= –25 to 85 °C 0.56 W
1. V
DD
= 3.3 V, V
DDP
= 5 V, f
XTAL
= 10 MHz, unless otherwise noted. Typical values are at T
A
= 25 °C.