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ST8024LACDR 数据表(PDF) 11 Page - STMicroelectronics

部件名 ST8024LACDR
功能描述  Smartcard interface
PDF  35 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST8024LACDR 数据表(HTML) 11 Page - STMicroelectronics

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ST8024L
Electrical characteristics
Doc ID 17709 Rev 5
11/35
Table 7.
Step-up converter
Symbol
Parameter(1)
Test conditions
Min.
Typ.
Max.
Unit
fCLK
Clock frequency
Card active
2.2
3.2
MHz
Vth(vd-vf)
Threshold voltage for
step-up converter to
change to voltage
follower
5 V card
5.2
5.8
6.2
V
3 V card
3.8
4.1
4.4
1.8 V card
3.8
4.1
4.4
VUP
Output voltage on pin
VUP (average value)
5 V card
5.2
5.7
6.2
V
3 V card
3.5
3.9
4.3
1.8 V card
3.5
3.9
4.3
1.
VDD = 3.3 V, VDDP = 5 V, fXTAL = 10 MHz, unless otherwise noted. Typical values are at TA = 25 °C.
Table 8.
Card supply voltage characteristics
Symbol
Parameter(1)
Test conditions
Min.
Typ.
Max.
Unit
CVCC
External capacitance
on pin VCC
See(2)
80
400
nF
VCC
Card supply voltage
(including ripple
voltage)
Card inactive; |ICC| = 0 mA
5 V, 3 V and
1.8 V card
-0.1
0
0.1
V
Card inactive; |ICC| = 1 mA
5 V, 3 V and
1.8 V card
-0.1
0
0.3
Card active; |ICC| < 80 mA
5 V card
4.75
5
5.25
Card active; |ICC| < 65 mA
3 V card
2.85
3
3.15
Card active; |ICC| < 45 mA
1.8 V card
1.68
1.8
1.92
Card active; single current
pulse IP = –100 mA; tp = 2 µs
5 V card
4.65
5
5.25
Card active; single current
pulse IP = –100 mA; tp = 2 µs
3 V card
2.76
3
3.20
Card active; single current
pulse IP = –100 mA; tp = 2 µs
1.8 V card
1.62
1.8
1.98
Card active; current pulses,
QP = 40 nAs
5 V card
4.65
5
5.25
3 V card
2.76
3
3.20
1.8 V card
1.62
1.8
1.98
Card active; current pulses
QP = 40 nAs with
|ICC| < 200 mA, tp < 400 ns
5 V card
4.65
5
5.25
3 V card
2.76
3
3.20
1.8 V card
1.62
1.8
1.98
VCC
(RIPPLE)
(P-P)
Ripple voltage on
VCC (peak-to-peak
value)
fRIPPLE = 20 kHz to 200 MHz
350
mV



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