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参数资料
| 型号： | SP3243EUCR-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 1/24页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS232 INTELLIGENT 32QFN |
| 标准包装： | 3,000 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 3/5 |
| 规程： | RS232 |
| 电源电压： | 3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-VFQFN 裸露焊盘 |
| 供应商设备封装： | 32-QFN 裸露焊盘（5x5） |
| 包装： | 带卷 (TR) |
Exar Corporation 48720 Kato Road, Fremont CA, 94538 510-668-7017 www.exar.com
SP3243E_102_060611
1
SP3243E
3 Driver/5 Receiver Intelligent +3.0V to +5.5V
RS-232 Transceivers
The SP3243E products are 3 driver/5 receiver RS-232 transceiver solutions intended for portable
or hand-held applications such as notebook and palmtop computers. The SP3243E includes one
complementary receiver that remains alert to monitor an external device's Ring Indicate signal while
the device is shutdown. The SP3243E and EB devices feature slew-rate limited outputs for reduced
crosstalk and EMI. The "U" and "H" series are optimized for high speed with data rates up to 1Mbps,
easily meeting the demands of high speed RS-232 applications. The SP3243E series uses an internal
high-efficiency, charge-pump power supply that requires only 0.1F capacitors in 3.3V operation. This
charge pump and Exar's driver architecture allow the SP3243E series to deliver compliant RS-232
performance from a single power supply ranging from +3.0V to +5.5V. The AUTO ON-LINE feature
allows the device to automatically "wake-up" during a shutdown state when an RS-232 cable is con-
nected and a connected peripheral is turned on. Otherwise, the device automatically shuts itself down
drawing less than 1A.
FEATURES
■ Meets true EIA/TIA-232-F Standards
from a +3.0V to +5.5V power supply
■ Interoperable with EIA/TIA-232 and
adheres to EIA/TIA-562 down to a +2.7V
power source
■ AUTO ON-LINE circuitry automatically
wakes up from a 1A shutdown
■ Regulated Charge Pump Yields Stable
RS-232 Outputs Regardless of V
CC
Variations
■ Enhanced ESD Specifications:
+15kV Human Body Model
+15kV IEC61000-4-2 Air Discharge
+8kV IEC61000-4-2 Contact Discharge
■ 250 Kbps min. transmission rate (EB)
■ 1000 Kbps min. transmission rate (EU)
■ Ideal for High Speed RS-232 Applications
DESCRIPTION
SELECTION TABLE
Now Available in Lead Free Packaging
R4IN
1
2
3
4
25
26
27
28
5
6
7
24
23
22 SHUTDOWN
C2-
V-
R1IN
R2IN
R3IN
ONLINE
C2+
C1-
GND
VCC
V+
STATUS
T1IN
8
9
10
11
18
19
20
21
12
13
14
17
16
15 R5OUT
T1OUT
T2OUT
T3OUT
T3IN
T2IN
R4OUT
R5IN
R3OUT
R2OUT
R1OUT
R2OUT
SP3243E
C1+
Device
Power
Supplies
RS-232
Drivers
RS-232
Receivers
External
Components
Auto
On-Line
Circuitry
TTL
3-
State
# of
Pins
Data
Rate
ESD
Rating
SP3243E
+3.0V to +5.5V
3
5
4 Capacitors
Yes
28
120
15kV
SP3243EB +3.0V to +5.5V
3
5
4 Capacitors
Yes
28
250
15kV
SP3243EH +3.0V to +5.5V
3
5
4 Capacitors
Yes
28
460
15kV
SP3243EU +3.0V to +5.5V
3
5
4 Capacitors
Yes
28
1000
15kV
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP3243EUCT | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:High Speed Intelligent +3.0V to +5.5V RS-232 Transceivers |
| SP3243EUCT/TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:High Speed Intelligent +3.0V to +5.5V RS-232 Transceivers |
| SP3243EUCT-L | 功能描述:RS-232接口集成电路 High Spd Intel. +3V to +5.5V RS-232 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| SP3243EUCT-L/TR | 功能描述:RS-232接口集成电路 High Spd Intel. +3V to +5.5V RS-232 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| SP3243EUCY | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:High Speed Intelligent +3.0V to +5.5V RS-232 Transceivers |
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