ST8004 Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Fabricante
ST8004 Datasheet PDF : 26 Pages
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ST8004
4
Electrical characteristics
Electrical characteristics
Table 5.
Symbol
Electrical characteristics over recommended operating (VDD = 3.3V, VDDP = 5V, fXTAL =
10MHz, unless otherwise noted. Typical values are to TA = 25°C)
Parameter
Test Conditions
Min. Typ. Max. Unit
VDD Supply voltage
VTHSEL = VDD or floating
VTHSEL = GND
2.7
3.150
6.5
V
6.5
VDDP
Supply voltage for the
voltage doubler
To comply with VI(RIPPLE)(P-P) specifications
4.5
4.75
5
6.5
V
5.25
VO(VUP)
Output voltage on pin VUP
from step-up converter
5.5
V
VI(VUP)
Input voltage to be
applied on VUP in order to
block the step-up
converter
7
9
V
IDD Supply current
Inactive mode
Active mode; fCLK = fXTAL; CL = 30pF
Inactive mode
IP
Supply current for step-up
converter
Active mode; fCLK = fXTAL;
CL = 30pF
ICC=0
ICC=65 mA
Vth2 Threshold voltage on VDD VTHSEL = VDD or floating
2.2
Vth3 Threshold voltage on VDD VTHSEL = GND
2.9
VHYS(th2) Hysteresis on Vth2
VTHSEL = VDD or floating
50
VHYS(th3) Hysteresis on Vth3
VTHSEL = GND
tW
Pulse width of the internal
alarm pulse
6
1.2
mA
1.5
0.1
18 mA
150
2.4 V
3.08 V
150 mV
0
mV
20 ms
∆THFIL Delay of internal filter
VTHSEL = GND
5
50 µs
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