ST8024CTR Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
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Fabricante
ST8024CTR Datasheet PDF : 31 Pages
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Electrical characteristics
ST8024
Table 7.
Symbol
Step-up converter (VDD = 3.3 V, VDDP = 5 V, fXTAL = 10 MHz, unless otherwise noted.
Typical values are to TA = 25 °C)
Parameter
Test conditions
Min. Typ. Max. Unit
fCLK Clock frequency
Card active
Threshold voltage for step- 5 V card
Vth(vd-vf) up converter to change to
voltage follower
3 V card
VUP(av)
Output voltage on pin VUP
(average value)
VCC = 5 V
VCC = 3 V; VDDP = 3.3 V
2.2
3.2 MHz
5.2 5.8 6.2
V
3.8 4.1 4.4
5.2 5.7 6.2
V
3.5 3.9 4.3
Table 8.
Symbol
Card supply voltage characteristics (VDD = 3.3 V, VDDP = 5 V, fXTAL = 10 MHz,
unless otherwise noted. Typical values are to TA = 25 °C) (Note 1)
Parameter
Test conditions
Min. Typ. Max.
CVCC
VCC
External capacitance
on pin VCC
Card supply voltage
(including ripple
voltage)
Note 2 and Note 3
Card Inactive; |ICC| = 0 mA 5 and 3V card
Card Inactive; |ICC| = 1 mA 5 and 3V card
Card Active; |ICC| < 80 mA 5 V card
Card Active; |ICC| < 65 mA 3 V card
Card Active; single current
pulse IP =-100 mA; tp=2 µs
5 V card
Card Active; single current
pulse IP =-100 mA; tp =2 µs
3 V card
Card active; current pulses, 5 V card
QP = 40 nAs
3 V card
VCC
(RIPPLE)
(P-P)
|ICC|
SR
Ripple voltage on VCC
(Peak to Peak value)
Card supply current
Slew rate
Card Active; current pulses 5 V card
QP =40 nAs with
|ICC| < 200mA, tp < 400 ns 3 V card
fRIPPLE = 20 kHz to 200 MHz
VCC = 0 to 5V
VCC = 0 to 3V
VCC short circuit to GND
Slew up or down
80
-0.1
-0.1
4.75
2.85
4.65
2.76
4.65
2.76
4.65
2.76
90
0.08
0
0
5
3
5
3
5
3
5
3
0.15
220
0.1
0.3
5.25
3.15
5.25
3.20
5.25
3.20
5.25
3.20
350
80
65
120
0.22
Unit
nF
V
mV
mA
V/µs
10/31
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