Part Datasheet Review and Validation

adrian95

adrian95

Add the recommended pin descriptions and pin types to the terminals.

flux

I’ll update each terminal with the datasheet-backed pin description and electrical pin type, then inspect the schematic to confirm the metadata is present.

flux

The descriptions were added; I’m normalizing a few pin type values to Flux’s standard options before verification.

flux

Updated and verified all 8 terminal pin descriptions and pin types from the TI datasheet.
Open items:
  • None.
Suggested next steps:
  1. Replace the uploaded Datasheet URL with a direct TI URL if you want stronger traceability.
  2. Do a dimensional check of the SOIC-8 footprint against TI’s D0008A land pattern.
Use TI datasheet
Check SOIC footprint
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SN65HVD75D Part Review
Current Flux part metadata
  • Project/part: SN65HVD75D
  • Manufacturer Part Number: SN65HVD75D
  • Manufacturer Name: Texas Instruments
  • Part Type: Integrated Circuits
  • Description: Texas Instruments SN65HVD75D, Line Transceiver, RS-422/RS-485, 3.3 V, 8-pin SOIC
  • Package or Case Code: 8-SOIC
  • Designator Prefix: IC
  • Datasheet URL: 353a3b3401c003344ac898cb1246d410f9363ff7231c7fb564ceb7f26639dcf4.pdf
  • Pin count/pads: 8
Datasheet source checked
The part already had a Datasheet URL set, so no Datasheet property update was required. The loaded datasheet is a Texas Instruments SN65HVD72/SN65HVD75/SN65HVD78 datasheet, document SLLSE11C, March 2012 revised September 2013.
Datasheet key specifications for SN65HVD75D
  • Function: 3.3 V half-duplex RS-485/RS-422 differential bus transceiver with separate driver enable and receiver enable.
  • Supply voltage recommended operating range: 3.0 V to 3.6 V, nominal 3.3 V.
  • Signaling rate for SN65HVD75: up to 20 Mbps.
  • Cable length guide: up to 100 m for HVD75 family member.
  • Bus topology: half-duplex two-wire bus.
  • Node loading: supports up to 256 nodes.
  • Logic inputs: 5 V tolerant; VIH min 2.0 V, VIL max 0.8 V.
  • Bus common-mode/input range, recommended: -7 V to +12 V.
  • Differential input voltage range: -12 V to +12 V.
  • Receiver hysteresis: 50 mV min, 80 mV typical.
  • Receiver failsafe: output high for open, shorted, or idle bus states.
  • ESD/transient protection: bus pins >±15 kV HBM, ±12 kV IEC 61000-4-2 contact discharge, ±4 kV IEC 61000-4-4 EFT.
  • Operating free-air temperature: -40 °C to +125 °C.
  • Package/orderable device: SN65HVD75D, SOIC, package drawing D, 8 pins, tube quantity 75, active, top-side marking HVD75.
Datasheet pinout cross-check

Table

PinDatasheet nameDatasheet functionFlux symbol terminal presentFlux pin numberResult
1RReceiver outputR1Match
2RE (active-low)Receiver enable, active low~RE2Match
3DEDriver enableDE3Match
4DDriver inputD4Match
5GNDGroundGND5Match
6ANon-inverting bus terminalA6Match
7BInverting bus terminalB7Match
8VCC3.3 V supplyVCC8Match
Symbol review
The symbol terminals and pin numbers match the TI datasheet pin configuration for the 8-pin D package. The left/right placement is also reasonable: logic/control pins R, ~RE, DE, D are on one side and bus/power pins A, B, GND, VCC are on the other.
Footprint review
The footprint contains 8 pads named according to the schematic terminals and includes SOIC-style silkscreen/fab geometry. The package metadata says 8-SOIC, matching the SN65HVD75D orderable device. However, the available layout inspection did not expose pad dimensions, pad pitch, or toe/heel geometry, so the footprint could only be checked at the package/pad-count/name level, not fully dimensionally validated against TI's D0008A land pattern.
Mismatches / issues flagged
  1. No pin descriptions are populated on the Flux terminals; each terminal currently only has Pin Type: Unspecified and Pin Number. Add Pin Description/Pin Type metadata for better library quality.
  2. The Datasheet URL is set, but it points to a stored uploaded PDF rather than a direct ti.com URL. This is acceptable if the PDF is official and stable, but a direct TI product datasheet URL would be preferable for traceability.
  3. Footprint dimensional verification is incomplete because pad geometry details were not available from the layout inspection output.
Add these terminal descriptions/types:
  • R, pin 1: Receiver output, output
  • ~RE, pin 2: Receiver enable input, active low, input
  • DE, pin 3: Driver enable input, input
  • D, pin 4: Driver data input, input
  • GND, pin 5: Ground, power
  • A, pin 6: Non-inverting RS-485/RS-422 bus terminal, bidirectional/differential bus
  • B, pin 7: Inverting RS-485/RS-422 bus terminal, bidirectional/differential bus
  • VCC, pin 8: 3.0 V to 3.6 V supply input, power

    Current Flux part metadata

    Datasheet source checked

    Datasheet key specifications for SN65HVD75D

    Datasheet pinout cross-check

    Symbol review

    Footprint review

    Mismatches / issues flagged

    Recommended property cleanup

Documents

    SN65HVD75D Part Review

Assets

SN65HVD75D-thumb.png

SN65HVD75D-thumb.png

SN65HVD75D-thumbThumbnail
stp

SN65HVD75D

SN65HVD75D.stp3D Model
SN65HVD75D

SN65HVD75D

SN65HVD75D Symbol.svgDefault
kicad_mod

SN65HVD75D

SOIC127P600X175-8N.kicad_modFootprint

SN65HVD75D

SN65HVD75D thumbnail
1/1 Transceiver Half RS422, RS485 8-SOIC
These devices have robust 3.3-V drivers and receivers in a small package for demanding industrial applications. The bus pins are robust to ESD events with high levels of protection to Human-Body Model and IEC Contact Discharge specifications. Each of these devices combines a differential driver and a differential receiver which operate from a single 3.3-V power supply. The driver differential outputs and the receiver differential inputs are connected internally to form a bus port suitable for half-duplex (two-wire bus) communication. These devices feature a wide common-mode voltage range making the devices suitable for multi-point applications over long cable runs. These devices are characterized from –40°C to 125°C
1• Small-size VSSOP Packages Save Board Space, or SOIC for Drop-in Compatibility • Bus I/O Protection – >±15 kV HBM Protection – >±12 kV IEC 61000-4-2 Contact Discharge – >±4 kV IEC 61000-4-4 Fast Transient Burst • Extended Industrial Temperature Range –40°C to 125°C • Large Receiver Hysteresis (80 mV) for Noise Rejection • Low Unit-Loading Allows Over 200 Connected Nodes • Low Power Consumption – Low Standby Supply Current: < 2 µA – ICC < 1 mA Quiescent During Operation • 5-V Tolerant Logic Inputs Compatible With 3.3-V or 5-V Controllers • Signaling Rate Options Optimized for: 250 kbps, 20 Mbps, 50 Mbps • Glitch Free Power-Up and Power-Down Bus Inputs and Outputs 2 Applications • Factory Automation • Telecommunications Infrastructure • Motion Control
#SN65HVD75D #RS485 #RS422 #Transceiver #TexasInstruments #IndustrialCommunication #FactoryAutomation #MotionControl #TelecomInfrastructure #ESDProtection #HalfDuplex #InterfaceIC #EmbeddedSystems #IndustrialElectronics #DataCommunication

Properties

SN65HVD75D

Texas Instruments

Integrated Circuits

ti.com/lit/ds/symlink/sn65hvd75.pdf?HQS=dis-dk-null-digikeymode-dsf-pf-null-wwe&ts=1781483224559&ref_url=https%253A%252F%252Fwww.ti.com%252Fgeneral%252Fdocs%252Fsuppproductinfo.tsp%253FdistId%253D10%2526gotoUrl%253Dhttps%253A%252F%252Fwww.ti.com%252Flit%252Fgpn%252Fsn65hvd75

IC

8-SOIC

creativecommons.org/licenses/by/4.0/

parametric-v1

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