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| 型号： | SP208ET-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 12/14页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS232 SERIAL 24WSOIC |
| 标准包装： | 1,500 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 4/4 |
| 规程： | RS232 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC W |
| 包装： | 带卷 (TR) |
7
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (50)668-7000 Fax (50)668-707 www.exar.com SP206, 207, 208, 2_0_060
Figure 3, Charge pump - Phase 2
VCC = +5V
–10V
VSS Storage Capacitor
VDD Storage Capacitor
C1
C2
C3
C4
+
–
Figure 4, Charge pump - Phase 3
VCC = +5V
–5V
+5V
–5V
VSS Storage Capacitor
VDD Storage Capacitor
C1
C2
C3
C4
+
–
Figure 5, Charge pump - Phase 4
VCC = +5V
+10V
VSS Storage Capacitor
VDD Storage Capacitor
C1
C2
C3
C4
+
–
EIA STANDARDS
The Electronic Industry Association (EIA)
developed several standards of data transmis-
sion which are revised and updated in order to
meet the requirements of the industry. In data
processing, there are two basic means of com-
municating between systems and components.
The RS-232 standard was first introduced in
962 and, since that time, has become an
industry standard.
The RS-232 is a relatively slow data exchange
protocol, with a maximum baud rate of only
20kbaud, which can be transmitted over a
maximum copper wire cable length of 50 feet.
The SP206 through SP2 series of data com-
munications interface products have been de-
signed to meet both the EIA protocol standards
, and the needs of the industry.
+/-10kV ESD PROTECTION
The SP206/207/208/2 are equipped with
Exar proprietary ESD protection circuitry on
all RS-232 inputs and outputs. This series
has been characterized using MIL-STD-883C
Method 305.7 Human Body Model. Each
device in the family can withstand up to +/-
0kV of static discharge on all RS-232 inputs
and outputs. All other pins of each device will
maintain ≥ +/-2kV of ESD protection.
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