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參數(shù)資料
| 型號： | SP336ECT-L |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 17/30頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS232/485 PROG 28WSOIC |
| 特色產品： | SP336 Programmable RS Serial Transceivers |
| 標準包裝： | 27 |
| 類型： | 收發(fā)器 |
| 驅動器/接收器數(shù)： | 4/4 |
| 規(guī)程： | RS232，RS422，RS485 |
| 電源電壓： | 3.3 V，5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SOIC（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 28-SOIC W |
| 包裝： | 管件 |
| 其它名稱： | 1016-1137 |
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SP336E
24
3.3V / 5V PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER
REV. 1.0.1
RS-232 to RS-485 Translator
SP336E can be used to implement a single-chip RS-232 to RS-485 translator function. Both full-duplex (4-wire
RS-485) and half-duplex (2-wire RS-485) configurations are shown. RS-485 is capable of communicating on
data cables up to 4000 feet (1200 meter) which makes it an ideal interface for extending the reach of short-
range serial ports like RS-232. The configurations shown can be used to connect directly to existing PC type
RS-232 serial ports to enable extended-reach communication.
The RTS signal (circuit CA or 105) is used as a transmit direction control signal for half-duplex. The ON
condition puts the repeater into transmit mode and inhibits receive. On a half-duplex channel RxD should be
held in MARK state (binary 1) when receiver 3 is inactive. Driver 1 on the SP336E can be used to generate
DSR or CTS signal to indicate to the host terminal that the translator is powered-on and ready.
Shutdown Modes
SP336E features two shutdown modes. In mode 111 (full shutdown) all drivers and receivers are at high
impedance. In mode 110, all drivers are tri-state but all four receivers remain active. In modes 101 and 100 two
differential receivers can be kept active while the differential drivers are tri-stated using the Tx_EN inputs.
FIGURE 25. RS-232 / RS-485 TRANSLATOR FULL-DUPLEX CABLE-EXTENDER (MODE 011)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SP336ECT-L/TR | 功能描述:接口 - 專用 4 Tx/Rx Programmable RS232/485/422 Serial RoHS:否 制造商:Texas Instruments 產品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59 |
| SP336ECY-L | 功能描述:接口 - 專用 4 Tx/Rx Programmable RS232/485/422 Serial RoHS:否 制造商:Texas Instruments 產品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59 |
| SP336ECY-L/TR | 功能描述:接口 - 專用 4 Tx/Rx Programmable RS232/485/422 Serial RoHS:否 制造商:Texas Instruments 產品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59 |
| SP336EET-L | 功能描述:接口 - 專用 4 Tx/Rx Programmable RS232/485/422 Serial RoHS:否 制造商:Texas Instruments 產品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59 |
| SP336EET-L | 制造商:Exar Corporation 功能描述:IC RS-232/RS-485/RS-422 TXRX 5V SOIC28 |
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