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参数资料
| 型号： | ST8024CTR |
| 厂商： | 意法半导体 |
| 英文描述： | Smartcard interface |
| 中文描述： | 智能卡接口 |
| 文件页数： | 8/30页 |
| 文件大小： | 550K |
| 代理商： | ST8024CTR |
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Electrical characteristics
ST8024
8/30
Step-up Converter
(V
DD
= 3.3V, V
DDP
= 5V, f
XTAL
= 10MHz, unless otherwise noted.
Typical values are to T
a
= 25
°
C)
Parameter
Test Conditions
Card supply voltage characteristics
(V
DD
= 3.3V, V
DDP
= 5V, f
XTAL
= 10MHz,
unless otherwise noted. Typical values are to T
A
= 25°C) (Note 1)
Parameter
Test Conditions
Table 6.
Symbol
Min.
Typ.
Max.
Unit
f
CLK
Clock Frequency
Card active
2.2
3.2
MHz
V
th(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
V
UP(av)
Output Voltage on pin V
UP
(average value)
V
CC
= 5 V
5.2
5.7
6.2
V
V
CC
= 3 V; V
DDP
= 3.3 V
3.5
3.9
4.3
Table 7.
Symbol
Min.
Typ.
Max.
Unit
C
VCC
External capacitance
on pin V
CC
Note 2
and
Note 3
80
220
nF
V
CC
Card supply voltage
(including ripple
voltage)
Card Inactive; |I
CC
| = 0 mA
5 and 3V card
-0.1
0
0.1
V
Card Inactive; |I
CC
| = 1 mA
5 and 3V card
-0.1
0
0.3
Card Active; |I
CC
| < 80 mA
5 V card
4.75
5
5.25
Card Active; |I
CC
| < 65 mA
3 V card
2.85
3
3.15
Card Active; single current
pulse I
P
=-100 mA; t
p
=2 μs
5 V card
4.65
5
5.25
Card Active; single current
pulse I
P
=-100 mA; t
p
=2 μs
3 V card
2.76
3
3.20
Card active; current pulses,
Q
P
= 40 nAs
5 V card
4.65
5
5.25
3 V card
2.76
3
3.20
Card Active; current pulses
Q
P
=40 nAs with
|I
CC
| < 200mA, t
p
< 400 ns
5 V card
4.65
5
5.25
3 V card
2.76
3
3.20
V
CC
(RIPPLE)
(P-P)
Ripple voltage on V
CC
(Peak to Peak value)
f
RIPPLE
= 20 KHz to 200 MHz
350
mV
|I
CC
|
Card supply current
V
CC
= 0 to 5V
80
mA
V
CC
= 0 to 3V
65
V
CC
short circuit to GND
90
120
S
R
Slew rate
Slew up or down
0.08
0.15
0.22
V/μs
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ST8024L | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Smartcard interface |
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| ST8024LACTR | 制造商:STMicroelectronics 功能描述: 制造商:STMicroelectronics 功能描述:Smart card interface 制造商:STMicroelectronics 功能描述:Smartcard interface |
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| ST8024LCTR | 功能描述:接口 - 专用 Smart card interface 3V or 5V 26 MHz RoHS:否 制造商:Texas Instruments 产品类型:1080p60 Image Sensor Receiver 工作电源电压:1.8 V 电源电流:89 mA 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:BGA-59 |
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