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DESCRIPTION:
These devices are half-duplex transceivers designed for RS-485 data bus networks. Powered by a 5-V supply, they are fully compliant with TIA/EIA-485A standard. With controlled transition times, these devices are suitable for transmitting data over long twisted-pair cables. The CS459030 devices are optimized for signaling rates up to 200 kbps. These devices are designed to operate with very low supply current, typically 0.3 mA, exclusive of the load. When in the inactive shutdown mode, the supply current drops to a few nano-amps, making these devices ideal for power-sensitive applications.
The wide common-mode range and high ESD protection levels of these devices make them suitable for demanding applications where noise tolerance is essential. Power-on reset circuits keep the outputs in a high impedance state until the supply voltage has stabilized. A thermal shutdown function protects the device from damage due to system fault conditions. The CS459030 is characterized for operation from −40°C to 85°C air temperature.
The devices are compatible with the C Stamp microcomputer’s supplies and signal levels. The devices are supplied in an 8-pin DIP form factor package that can be used in breadboards or printed circuit boards.

All items are new, fully tested, factory direct!

Technical Specifications

• Meets or Exceeds the Requirements of the TIA/EIA−485A Standard
• Low Quiescent Power
  • 0.3 mA Active Mode
  • 1 nA Shutdown Mode
• 1/8 Unit Load—Up to 256 Nodes on a Bus
• Bus-Pin ESD Protection Up to 15 KV
• Failsafe Receiver (Bus Open, Bus Shorted, Bus Idle)
• Glitch−Free Power−Up/Down Bus Inputs and Outputs

Related Items
C Stamp 48-Pin Module

Documentation
CS459030 Datasheet


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