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ILX485DT

Public Made by Adom

by adom

IKSEMICON RS-485 / RS-422 ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ILX485DT

IKSEMICON · RS-485 / RS-422 ICs · SOP-8

ILX485DT from IKSEMICON, in a SOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 RO output Receiver output, three-state; high if A-B ≥ +0.2V or input open, low if A-B ≤ -0.2V, high impedance when RE is high.
2 RE input Receiver output enable, active low; logic thresholds VIH 2.0V min and VIL 0.8V max, input current ±2µA max.
3 DE input Driver output enable, active high; logic thresholds VIH 2.0V min and VIL 0.8V max, input current ±2µA max.
4 DI input Driver input; logic high on DI with DE high drives A high and B low, logic thresholds VIH 2.0V min and VIL 0.8V max.
5 GND power_in Ground reference for all device voltages.
6 A bidirectional Non-inverting receiver input and driver output on the RS-485 bus, rated -8V to +12.5V with ±15kV ESD protection.
7 B bidirectional Inverting receiver input and driver output on the RS-485 bus, rated -8V to +12.5V with ±15kV ESD protection.
8 VCC power_in Single 5V supply (5V ±5% operating), absolute maximum 12V.

Key specifications

Parameter Value
Manufacturer IKSEMICON
Package SOP-8
Category Interface
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Differential Driver Output (no load) VOD1 5 V No load 2
Differential Driver Output (RS-422 load) VOD2 2 V R = 50Ω (RS-422) 2
Differential Driver Output (RS-485 load) VOD2 1.5 5 V R = 27Ω (RS-485), Figure 1 2
Change in Magnitude of Driver Differential Output Voltage ΔVOD 0.2 V R = 27Ω or 50Ω, Figure 1 2
Driver Common-Mode Output Voltage VOC 3 V R = 27Ω or 50Ω, Figure 1 2
Change in Magnitude of Driver Common-Mode Output Voltage ΔVOC 0.2 V R = 27Ω or 50Ω, Figure 1 2
Input High Voltage VIH 2 V DE, DI, RE 2
Input Low Voltage VIL 0.8 V DE, DI, RE 2
Input Current IIN1 -2 2 µA DE, DI, RE 2
Input Current (A, B) IIN2 1 mA DE = 0V; VIN = 12V 2
Input Current (A, B) IIN2 -0.8 mA VCC = 0V or 5.25V; VIN = -7V 2
Receiver Differential Threshold Voltage VTH -0.2 0.2 V -7V ≤ VCM ≤ 12V 2
Receiver Output High Voltage VOH 3.5 V IO = -4mA, VID = 200mV 2
Receiver Output Low Voltage VOL 0.4 V IO = 4mA, VID = -200mV 2
Three-State Output Current at Receiver IOZR -1 1 µA 0.4V ≤ VO ≤ 2.4V 2
Receiver Input Resistance RIN 12 kΩ -7V ≤ VCM ≤ 12V 2
No-Load Supply Current ICC 500 900 µA DE = VCC 3
No-Load Supply Current ICC 300 500 µA RE = 0V or VCC; DE = 0V 3
Driver Short-Circuit Current, VO = High IOSD1 35 250 mA -7V ≤ VO ≤ 12V (Note 4) 3
Driver Short-Circuit Current, VO = Low IOSD2 35 250 mA -7V ≤ VO ≤ 12V (Note 4) 3
Receiver Short-Circuit Current IOSR 7 95 mA 0V ≤ VO ≤ VCC 3
ESD Protection (Human Body Model) 15 kV A, B, Y and Z pins, Human Body Model 3
Driver Input to Output (low-to-high) tPLH 10 55 60 ns RDIFF = 54Ω, CL1 = CL2 = 100pF 3
Driver Input to Output (high-to-low) tPHL 10 55 60 ns RDIFF = 54Ω, CL1 = CL2 = 100pF 3
Driver Output Skew to Output tSKEW 5 10 ns RDIFF = 54Ω, CL1 = CL2 = 100pF 3
Driver Enable to Output High tZH 40 70 ns CL = 100pF, S2 closed 3
Driver Enable to Output Low tZL 40 70 ns CL = 100pF, S1 closed 3
Driver Disable Time from Low tLZ 40 70 ns CL = 15pF, S1 closed 3
Driver Disable Time from High tHZ 40 70 ns CL = 15pF, S2 closed 3
Receiver Input to Output (low-to-high) tPLH 20 60 100 ns RDIFF = 54Ω, CL1 = CL2 = 100pF 3
Receiver Input to Output (high-to-low) tPHL 20 60 100 ns RDIFF = 54Ω, CL1 = CL2 = 100pF 3
Differential Receiver Skew tSKD 5 10 ns RDIFF = 54Ω, CL1 = CL2 = 100pF 3
Receiver Enable to Output Low tZL 30 50 ns CRL = 15pF, S1 closed 3
Receiver Enable to Output High tZH 30 50 ns CRL = 15pF, S2 closed 3
Receiver Disable Time from Low tLZ 30 50 ns CRL = 15pF, S1 closed 3
Receiver Disable Time from High tHZ 30 50 ns CRL = 15pF, S2 closed 3
Maximum Data Rate fMAX 2.5 10 20 Mbps 3
Supply Voltage VCC 12 V 2
Control Input Voltage -0.5 V Maximum printed as (VCC + 0.5V) 2
Driver Input Voltage (DI) DI -0.5 V Maximum printed as (VCC + 0.5V) 2
Driver Output Voltage (A, B) A, B -8 12.5 V 2
Receiver Input Voltage (A, B) A, B -8 12.5 V 2
Receiver Output Voltage (RO) RO -0.5 V Maximum printed as (VCC + 0.5V) 2
Continuous Power Dissipation, 8-Pin SOP 471 mW TA = +70°C; derate 5.88 mW/°C above +70°C 2
Storage Temperature Range TSTG -65 160 °C 2
Lead Temperature (soldering) 300 °C Soldering, 10 sec 2
Operating Temperature Range TA -40 105 °C ILX485D / ILX485DT (SOP8) 1
Nominal Supply Voltage VCC 5 V Per DC characteristics header 2
Supply Voltage Tolerance VCC -5 5 % VCC = 5V ±5% 2

CAD (KiCad official)

  • Symbol: ILX485DT
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: ilx485dt-etched.step / ilx485dt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ilx485dt.step / ilx485dt.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: IKSEMICON datasheet (9 pp, sha256 26c14e334a1451b0, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF