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HI-8197PCTF
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Product Detailed Parameters
- Description：IC SW SPST-NO/NCX4 31OHM 16CSP
- Series：-
- Mfr：Holt Integrated Circuits Inc.
- Package：Tube
- Switch Circuit：SPST - NO/NC
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：31Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：-
- Voltage - Supply, Dual (V±)：±3V ~ 10V
- Switch Time (Ton, Toff) (Max)：35ns, 20ns (Typ)
- -3db Bandwidth：-
- Charge Injection：-10pC
- Channel Capacitance (CS(off), CD(off))：12pF
- Current - Leakage (IS(off)) (Max)：5nA
- Crosstalk：-
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-WQFN Exposed Pad, CSP
- Supplier Device Package：16-CSP (5x5)
- Number of Circuits：4
- Grade：-
- Qualification：-
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Overview
The HI-8197PCTF is a single-channel RS-422/RS-485 transceiver manufactured by Holt Integrated Circuits. It integrates a driver and receiver on a single CMOS chip, supporting half-duplex communication over balanced transmission lines. The device operates from a single 3.3V or 5V supply and features fail-safe circuitry to ensure a high logic state at the receiver output when inputs are open. It includes thermal shutdown protection for the driver and supports data rates up to 10 Mbps.
Feature Summary
- Integrated half-duplex driver and receiver for RS-422/RS-485 applications
- Fail-safe receiver design ensures defined output states during idle conditions
- Thermal shutdown protection prevents damage during excessive power dissipation
Applications
- Industrial control networks requiring robust serial communication
- Building automation systems utilizing RS-485 bus topologies
- Data acquisition modules in harsh electrical environments
Procurement Notes
Verify the specific suffix 'PCTF' against the manufacturer's current datasheet to confirm package type and temperature grade. Ensure compatibility with system voltage levels (3.3V or 5V) and check for RoHS compliance status as per the latest production batch documentation.
Selection Notes
Select this component for designs requiring a compact, single-chip solution for differential signaling. Consider the operating temperature range and supply voltage requirements relative to the target application environment. Verify pinout compatibility if replacing legacy components in existing PCB layouts.
Part Context
Holt Integrated Circuits specializes in data bus communication ICs for aerospace and industrial markets. The HI-819x series provides reliable interface solutions for standard serial protocols, complementing their portfolio of ARINC 429 and MIL-STD-1553 controllers.
Replacement Considerations
Consult official substitution guides for equivalent RS-485 transceivers. Verify functional pinouts and electrical specifications before integrating alternative parts into the design.
