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| 型号： | SP3245ECY-L |
| 厂商： | Exar Corporation |
| 文件页数： | 1/22页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS233 28TSSOP |
| 标准包装： | 50 |
| 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： | 28-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 28-TSSOP |
| 包装： | 管件 |
| 其它名称： | 1016-1517-5 SP3245ECY-L-ND |
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP3244E_SP3245E_00_2509
The SP3244E/3245E is a 3-driver/5-receiver device ideal for mobile phone, consumer and PDA
applications. These devices use an internal high-efficiency, charge-pump power supply that requires
only 0.1μF capacitors for 3.3V single-supply operation. This charge pump and Exar’s driver archi-
tecture allow the SP3244E/3245E to deliver compliant RS-232 performance from a power supply
ranging from +3.0V to +5.5V. At voltages between +2.7V and +3.0V the driver outputs are compliant
with RS-562 and can interface to RS-232 in portable applications.
The Auto On-Line Plus feature allows the device to automatically enter a low power shutdown
mode if all receiver and driver inputs have been idle for 30 seconds. The device will “wake-up” from
this automatic shutdown state upon detecting activity. This power saving feature functions without
system intervention or modifications to software or drivers.
SP3244E supports serial data rates of 250kbps minimum under full load and while maintaining
slew rates of less than 30V/μs. SP3245E is capable of high speed communication of up to 1Mbps.
DESCRIPTION
FEATURES
APPLICATIONS
Portable RS-232
Laptops and handheld PCs and PDA
Cellular telephones, datacables, charging-
cradles
Diagnostic/upload ports on embedded applica-
tions
Use in conjunction with low-voltage UART or
microcontroller
SP3244 is cross-compatible with MAX3244,
ICL3244
SP3245 is cross-compatible with MAX3245,
ICL3245
SP3244E-SP3245E
3.3V or 5V RS-232 Transceivers with Auto On-Line Plus
Contains 3-Drivers and 5-Receivers;
Single-chip DTE (PC or terminal) serial port transceiver
Auto On-Line Plus
SP3244E slew-controlled to 250kbps under load
SP3245E 1Mbps data rate for high-speed RS-232
Meets true EIA/TIA-232-F and ITU V.28 standards
from a +3.0V to +5.5V power supply
Adheres to EIA/TIA-562 for interoperability
with EIA/TIA-232 down to a +2.7V supply voltage
Regulated charge pump yields stable RS-232
outputs regardless of VCC variations
ESD Specifications:
±
15KV Human Body Model
SP3244E
SP3245E
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28
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C2+
C2-
V-
R1IN
R2IN
R3IN
R4IN
R5IN
T1OUT
T2OUT
T3OUT
T3IN
T2IN
T1IN
C1+
V+
VCC
GND
C1-
ONLINE
SHUTDOWN
STATUS
R2OUT
R1OUT
R2OUT
R3OUT
R4OUT
R5OUT
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP3245ECY-L/TR | 功能描述:RS-232接口集成电路 1Mbps +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: |
| SP3245EEA-L | 功能描述:RS-232接口集成电路 1Mbps +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: |
| SP3245EEA-L/TR | 功能描述:RS-232接口集成电路 1Mbps +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: |
| SP3245EER1-L | 功能描述:RS-232接口集成电路 Transceiver with Auto On-Line Plus 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: |
| SP3245EER1-L/TR | 功能描述:RS-232接口集成电路 1Mbps +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: |
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