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参数资料
| 型号： | NCN8025AMNTXG |
| 厂商： | ON Semiconductor |
| 文件页数： | 9/15页 |
| 文件大小： | 0K |
| 描述： | IC SMART CARD IC2 24-QFN |
| 特色产品： | NCN8025A Smart Card Interface |
| 标准包装： | 1 |
| 应用： | 付费电视，机顶盒解码器 |
| 电源电压： | 1.8V，3V，5V |
| 封装/外壳： | 24-VFQFN 裸露焊盘 |
| 供应商设备封装： | 24-QFN（4x4） |
| 包装： | 标准包装 |
| 安装类型： | 表面贴装 |
| 其它名称： | NCN8025AMNTXGOSDKR |
NCN8025 / NCN8025A
http://onsemi.com
3
VSEL1
VDDP
17
11
CVCC
24
12
1.8 V / 3 V / 5 V LDO
Card
Pin
Level
Shifters
&
Drivers
VDD
18
CLKIN
19
25
GND
14
RSTIN
5
CIO
8
GND
10 CRST
9
CCLK
16
GND
4
PRES
3
Supply Voltage
Monitoring
Thermal
Control
Card
Detection
Control Logic
and
Fault Detection
ISO7816
Sequencer
15
2
20
AUX1uc
7
CAUX1
21
6
AUX2uc
CAUX2
1
VSEL0
Clock Divider
23
22
CLKDIV1
CLKDIV2
13
PORADJ
Figure 4. NCN8025A Block Diagram (QFN24 Pin Numbering)
INT
CMDVCC
PRES
I/Ouc
PIN FUNCTION AND DESCRIPTION
Pin
(QFN24)
Pin
(QFN16)
Name
Type
Description
1
VSEL0
Input
Allows selecting card VCC power supply voltage mode (5V/3V or 1.8V/3V)
VSEL0 = Low; CVCC = 5 V when VSEL1 = High or 3 V when VSEL1 = Low
VSEL0 = High; CVCC = 1.8 V when VSEL1 = High or 3 V when VSEL1 = Low
2
VDDP
Power
Regulator power supply.
3
PRES
Input
Card presence pin active (card present) when PRES = Low. A builtin debounce timer of
about 8 ms is activated when a card is inserted. Convenient for Normally Open (NO)
Smart card connector.
4
PRES
Input
Card presence pin active (card present) when PRES = High. A builtin debounce timer of
about 8 ms is activated when a card is inserted. Convenient for Normally Closed (NC)
smart card connector.
5
4
CI/O
Input/
Output
This pin handles the connection to the serial I/O (C7) of the card connector. A
bidirectional level translator adapts the serial I/O signal between the card and the micro
controller. A 11 kW (typical) pull up resistor to CVCC provides a High impedance state for
the smart card I/O link.
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相关代理商/技术参数 |
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| NCN8025MTTBG | 功能描述:接口 - 专用 SMART CARD IC 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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