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| 型号： | NCN8024DWR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 6/16页 |
| 文件大小： | 0K |
| 描述： | IC SMART CARD IC2 28SOIC |
| 标准包装： | 1,000 |
| 应用： | 智能卡读取器，写入器 |
| 电源电压： | 5V |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC W |
| 包装： | 带卷 (TR) |
| 安装类型： | 表面贴装 |
| 其它名称： | NCN8024DWR2G-ND NCN8024DWR2GOSTR |
NCN8024
http://onsemi.com
14
ESD PROTECTION
The NCN8024 includes devices to protect the pins against
the ESD spikes voltages. To cope with the different ESD
voltages developed across these pins, the built in structures
have been designed to handle either 2 kV, when related to the
micro controller side, or 8 kV when connected with the
external contacts (HBM model). Practically, the CRD_RST,
CRD_CLK,
CRD_IO,
CRD_AUX1,
CRD_AUX2,
CRD_PRES and CRD_PRES pins can sustain 8 kV. The
CRD_VCC pin has the same ESD protection and can source
up to 75 mA continuously, the absolute maximum current
being internally limited with a max at 150 mA. The
CRD_VCC current limit depends on VDDP and CRD_VCC.
Figure 8. Application Schematic
CLKDIV1
CLKDIV2
GNDP
C2
VDDP
C1
VUP
CRD_PRES
CRD_I/O
CRD_AUX2
CRD_GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CLKIN
NC
AUX2uc
VDD
I/Ouc
AUX1uc
GND
CRD_CLK
CRD_VCC
CRD_RST
PORADJ
RSTIN
NCN8024
3.3 V Microcontroller
Vcc
RST
CLK
C4
GND
Vpp
I/O
C8
1
2
3
4
5
6
7
8
SMART CARD
R1
R2
VDD
+3.3V
DET
Normally Open
100 nF
VDD
+3.3V
100 nF
330 nF
VDDP
100 nF
+
100 nF
220 nF
XTAL1 XTAL2
Optional R1/R2 resistor divider
connected to Ground
10 mF
5V/3V
100 kW
CRD_AUX1
CRD_PRES
+3.3V
+5V or
if not used PORADJ has to be
INT
CMDVCC
ORDERING INFORMATION
Device
Package
Shipping
NCN8024DWR2G
SOIC28
(PbFree)
1000 / Tape & Reel
NCN8024DTBR2G*
TSSOP28
(PbFree)
2500 / Tape & Reel
For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*Consult Sales Office
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