概要
説明
The Intersil ISL43485 is a high speed BiCMOS 3. 3V powered, single transceiver that meets both the RS-485 and RS-422 standards for balanced communication. Unlike some competitive devices, this Intersil transceiver is specified for 10% tolerance supplies (3V to 3. 6V). Data rates up to 30Mbps are achievable by using this transceiver, which features higher slew rates. Logic inputs (e. g. , DI and DE) accept signals in excess of 5. 5V, making them compatible with 5V logic families. Receiver (Rx) inputs feature a fail-safe if open design, which ensures a logic high output if Rx inputs are floating, and the ISL43485 presents a single unit load to the RS-485 bus, which allows up to 32 transceivers on the network. Driver (Tx) outputs are short circuit protected, even for voltages exceeding the power supply voltage. Additionally, on-chip thermal shutdown circuitry disables the Tx outputs to prevent damage if power dissipation becomes excessive.
特長
- High Data Rate up to 30Mbps
- Operates from a Single +3.3V Supply (10% Tolerance)
- Interoperable with 5V Logic
- Single Unit Load Allows up to 32 Devices on the Bus
- Low Current Shutdown Mode 15nA
- -7V to +12V Common Mode Input Voltage Range
- Three State Rx and Tx Outputs
- 10ns Propagation Delay, 1ns Skew
- Half Duplex Pinout
- Current Limiting and Thermal Shutdown for driver Overload Protection
- Pb-Free Available (RoHS Compliant)
製品比較
アプリケーション
- SCSI "Fast 20" Drivers and Receivers
- Factory Automation
- Data Loggers
- Security Networks
- Building Environmental Control Systems
- Industrial/Process Control Networks
- Level Translators
設計・開発
モデル
ECADモデル
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