HI-4854PSHF

HI-4854PSHF

HI-4854PSHF

Holt Integrated Circuits

HI-4854 Series high speed slew rate controlled 485/422 and ISO 8482 compliant transceiver IC

The HI-485xH devices are high-speed slew-rate controlled TIA-485/TIA-422-B and ISO 8482:1993 compliant transceivers with extended temperature ranges of -55˚C to 175˚C for plastic packages and -55˚C to 200˚C for the ceramic CERDIP-8 package. The devices can operate over an extended supply (3.15V to 5.5V) and extended receiver common-mode range for high temperature and industrial control applications. The receiver input common-mode range of [-12, 15]V and ±20V for the half and full duplex configurations respectively, is valid over the full supply and temperature specification. The HI-4853H has a half-duplex configuration, and the HI-4854H and HI-4855H are full-duplex. Slew rates are optimized for data rates below 25Mbps. The drivers slew-rate control and pre-emphasis reduces high-frequency components in the output signal transitions and also compensates for impedance mismatch. These features provide optimum EMI and jitter performance, essential in EMI sensitive environments and high-integrity data link applications such as in aerospace and industrial controls.
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HI-4854PSHF Specifications

  • Extended Temperature Ranges -55°C to +175°C (plastic packages) and -55°C to +200°C (Ceramic CERDIP-8 package)
  • Slew Rate Control and Pre-Emphasis for superior EMI
  • Extended Power Supply Operating Range (3.15V - 5.5V)
  • Extended Receiver Common-Mode Range
  • -12V to +15V Half-Duplex
  • +/-20V Full-Duplex
  • ESD Protection:
  • 16KV HBM (Bus Pins)
  • 8KV HBM (Logic Pins)
  • 20 Mbps Data Rate up to 50ft (CAT-5 UTP)
  • 12 Mbps Data Rate up to 1000ft (CAT-5 UTP)
  • Guaranteed Fail-Safe Receiver Operation
  • Current Limiting Protection
  • Industry Standard 75176 Pinout
More Information
Attribute Value
RoHS Yes
Product Type RS-485 / 422 Data Bus IC
Package Description 8 Pin Plastic SOIC - NB
Moisture Sensitivity Level 1.0000
Product Longevity > 10 years
Applications
  • Extended Temperature Range RS-485/422 Networks
  • Oil Exploration / Down-Hole Drilling
  • Process Control and Factory Automation
  • EMI Emission Sensitive Avionics
  • Industrial Field Bus Networks
  • Networks requiring extended common-mode range
  • Miniature Munitions Stores Interface (MMSI / EBR-1553)
Flow H
Theta JA (°C/W): 81.6
Theta JB (°C/W): 50.3
Temperature Range -55°C to +175°C
More Information
Attribute Value
Data Sheet Click here to view

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