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MAX488CSA+T

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

componentinterface icsmax488csa+tfactory-2.0.0extractor-text

Verified MAX488CSA+T

by Ray · last 30 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier mfr, 8 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: MAX488CSA+T · SOIC-8 · 8 pins
  • ✓copper: 8 copper pads, none touching another net
  • ✓datasheet: all 8 pin names found in the 17-page datasheet
  • ✓distributor: lcsc C10918, digikey MAX488CSA+TTR-ND, mouser 700-MAX488CSAT
  • ✓family: SOIC-8_3.9x4.9mm_P1.27mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-12ihfv6d/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 8 pins = 8 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 8 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ max488csa-t.kicad_sym✓ max488csa-t.kicad_mod✓ max488csa-t.step
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Ray Publish 0.1.0 1b95e85 11d ago

MAX488CSA+T

Maxim Integrated · RS-485/RS-422 ICs · SOIC-8

MAX488CSA+T from Maxim Integrated, in a SOIC-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 VCC power_in Positive supply, 4.75V ≤ VCC ≤ 5.25V.
2 RO output Receiver output: high if A > B by 200mV, low if A < B by 200mV.
3 DI input Driver input: a low forces Y low and Z high, a high forces Y high and Z low.
4 GND power_in Ground.
5 Y output Noninverting driver output.
6 Z output Inverting driver output.
7 B input Inverting receiver input.
8 A input Noninverting receiver input.

Key specifications

Parameter Value
Manufacturer Maxim Integrated
Package SOIC-8
Category Interface ICs
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 2
Differential Driver Output (with load) R=27Ω VOD2 1.5 5 V R = 27Ω (RS-485), Figure 4 2
Differential Driver Output (with load) R=50Ω VOD2 2 5 V R = 50Ω (RS-422) 2
Change in Magnitude of Driver Differential Output Voltage ΔVOD 0.2 V R = 27Ω or 50Ω, Figure 4 2
Driver Common-Mode Output Voltage VOC 3 V R = 27Ω or 50Ω, Figure 4 2
Change in Magnitude of Driver Common-Mode Output Voltage ΔVOC 0.2 V R = 27Ω or 50Ω, Figure 4 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, VCC = 0V or 5.25V, VIN = 12V 2
Input Current (A, B) IIN2 -0.8 mA DE = 0V, VCC = 0V or 5.25V, VIN = -7V 2
Receiver Differential Threshold Voltage VTH -0.2 0.2 V -7V ≤ VCM ≤ 12V 2
Receiver Input Hysteresis ΔVTH 70 mV VCM = 0V 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 (high impedance) Output Current at Receiver IOZR -1 1 µA 0.4V ≤ VO ≤ 2.4V 2
Receiver Input Resistance RIN 12 kΩ -7V ≤ VCM ≤ 12V, all devices except MAX487/MAX1487 2
No-Load Supply Current ICC 120 250 µA MAX488/MAX489, DE, DI, RE = 0V or VCC 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
Driver Input to Output tPLH, tPHL 250 2000 ns Figures 6 and 8, RDIFF = 54Ω, CL1 = CL2 = 100pF 4
Driver Output Skew to Output tSKEW 100 800 ns Figures 6 and 8, RDIFF = 54Ω, CL1 = CL2 = 100pF 4
Driver Rise or Fall Time tR, tF 250 2000 ns Figures 6 and 8, RDIFF = 54Ω, CL1 = CL2 = 100pF 4
Receiver Input to Output tPLH, tPHL 250 2000 ns Figures 6 and 10, RDIFF = 54Ω, CL1 = CL2 = 100pF 4
Differential Receiver Skew tSKD 100 ns Figures 6 and 10, RDIFF = 54Ω, CL1 = CL2 = 100pF 4
Driver Disable Time from Low tLZ 300 3000 ns Figures 7 and 9, CL = 15pF, S1 closed 4
Driver Disable Time from High tHZ 300 3000 ns Figures 7 and 9, CL = 15pF, S2 closed 4
Maximum Data Rate fMAX 250 kbps tPLH, tPHL < 50% of data period 4
Supply Voltage VCC 4.75 5 5.25 V VCC = 5V ±5% 7
Operating Temperature Range (MAX488C) TA 0 70 °C C grade 2
Supply Voltage VCC 12 V 2
Control Input Voltage RE, DE -0.5 V -0.5V to (VCC + 0.5V) 2
Driver Input Voltage DI -0.5 V -0.5V to (VCC + 0.5V) 2
Driver Output Voltage A, B -8 12.5 V 2
Receiver Input Voltage A, B -8 12.5 V 2
Receiver Output Voltage RO -0.5 V -0.5V to (VCC + 0.5V) 2
Storage Temperature Range -65 160 °C 2
Lead Temperature 300 °C soldering, 10sec 2

CAD (KiCad official)

  • Symbol: MAX488CSA+T
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: max488csa-t-etched.step / max488csa-t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max488csa-t.step / max488csa-t.glb are the bare package body.

Provenance

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

  • Datasheet: Maxim Integrated datasheet (17 pp, sha256 b7888c0d45b0dc58, retrieved 2026-10-30, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-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