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SP3243EUCA-L

Public Made by Adom

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MaxLinear Pre-ordered Chips, SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentinterface icssp3243euca-lfactory-2.0.0extractor-text

Verified SP3243EUCA-L

by Ray · last 5 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

5 Nov 2026RayPublished by the parts factory: tier mfr, 28 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: SP3243EUCA-L · SSOP-28-208mil · 28 pins
  • ✓copper: 28 copper pads, none touching another net
  • ✓datasheet: all 28 pin names found in the 30-page datasheet
  • ✓distributor: lcsc C2671246, digikey 1016-1125-5-ND, mouser 701-SP3243EUCA-L
  • ✓family: SSOP-28_5.3x10.2mm_P0.65mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-p84eguzj/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: 28 pins = 28 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 28 pins agree
  • ✓symbol_text: no pin names collide
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ sp3243euca-l.kicad_sym✓ sp3243euca-l.kicad_mod✓ sp3243euca-l.step
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Ray Publish 0.1.0 deebd74 4d ago

SP3243EUCA-L

MaxLinear · Pre-ordered Chips · SSOP-28-208mil

SP3243EUCA-L from MaxLinear, in a SSOP-28-208mil. 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 C2+ passive Positive terminal of the inverting charge-pump capacitor.
2 C2- passive Negative terminal of the inverting charge-pump capacitor.
3 V- power_out Regulated -5.5V output generated by the charge pump.
4 R1IN input RS-232 receiver input (internal 5kΩ pulldown, ±15kV ESD protected, ±25V absolute maximum).
5 R2IN input RS-232 receiver input (internal 5kΩ pulldown, ±15kV ESD protected, ±25V absolute maximum).
6 R3IN input RS-232 receiver input (internal 5kΩ pulldown, ±15kV ESD protected, ±25V absolute maximum).
7 R4IN input RS-232 receiver input (internal 5kΩ pulldown, ±15kV ESD protected, ±25V absolute maximum).
8 R5IN input RS-232 receiver input (internal 5kΩ pulldown, ±15kV ESD protected, ±25V absolute maximum).
9 T1OUT output RS-232 driver output (±15kV ESD protected, ±13.2V absolute maximum, continuous short-circuit duration).
10 T2OUT output RS-232 driver output (±15kV ESD protected, ±13.2V absolute maximum, continuous short-circuit duration).
11 T3OUT output RS-232 driver output (±15kV ESD protected, ±13.2V absolute maximum, continuous short-circuit duration).
12 T3IN input TTL/CMOS driver input.
13 T2IN input TTL/CMOS driver input.
14 T1IN input TTL/CMOS driver input.
15 R5OUT output TTL/CMOS receiver output.
16 R4OUT output TTL/CMOS receiver output.
17 R3OUT output TTL/CMOS receiver output.
18 R2OUT output TTL/CMOS receiver output.
19 R1OUT output TTL/CMOS receiver output.
20 R2OUT output Non-inverting receiver-2 output, active in shutdown.
21 STATUS output TTL/CMOS output indicating online and shutdown status; low when shut down or cable disconnected, high when external transmitters are enabled and cable connected.
22 SHUTDOWN input Apply logic LOW to shut down the drivers and charge pump, overriding all AUTO-ONLINE circuitry and ONLINE.
23 ONLINE input Apply logic HIGH to override AUTO-ONLINE circuitry keeping drivers active (SHUTDOWN must also be logic HIGH).
24 C1- passive Negative terminal of the voltage doubler charge-pump capacitor.
25 GND power_in Ground.
26 VCC power_in +3.0V to +5.5V supply voltage.
27 V+ power_out Regulated +5.5V output generated by the charge pump.
28 C1+ passive Positive terminal of the voltage doubler charge-pump capacitor.

Key specifications

Parameter Value
Manufacturer MaxLinear
Package SSOP-28-208mil
Category Interface ICs
Pins 28

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage VCC VCC 3 5.5 V TAMB = TMIN to TMAX, C1 - C4 = 0.1µF 8
Operating temperature range (commercial, SP3243EUCA-L/TR) TAMB 0 70 °C Ordering table: 0°C to 70°C, 28-pin SSOP 29
Supply voltage VCC -0.3 6 V 7
V+ supply voltage V+ -0.3 7 V Note 1: V+ and V- magnitudes up to 7V 7
V- supply voltage V- 0.3 -7 V Note 1: V+ and V- magnitudes up to 7V (printed as +0.3 / -7.0) 7
V+ + /V-/ absolute difference V+ + /V-/ 13 V 7
ICC DC VCC or GND current ICC -100 100 mA DC VCC or GND current 7
Input voltage TxIN, ONLINE, SHUTDOWN -0.3 6 V 7
Input voltage RxIN -25 25 V 7
Output voltage TxOUT -13.2 13.2 V 7
Output voltage RxOUT, STATUS -0.3 V Upper limit printed as VCC + 0.3 V 7
Storage temperature -65 150 °C 7
Power dissipation per package, 28-pin SSOP 900 mW Derate 11.2mW/°C above +70°C 7
ESD HBM (driver outputs and receiver inputs) -15 15 kV Human Body Model 7
ESD IEC61000-4-2 air discharge (driver outputs and receiver inputs) -15 15 kV Level 4 7
ESD IEC61000-4-2 contact discharge (driver outputs and receiver inputs) -8 8 kV Level 4 7
Supply current, AUTO-ONLINE 0.5 2 µA All RxIN open, ONLINE = GND, SHUTDOWN = VCC, VCC = 3.3V, TAMB = 25oC, TxIN = GND or VCC 8
Supply current, shutdown 0.5 2 µA SHUTDOWN = GND, VCC = 3.3V, TAMB = 25oC, TxIN = VCC or GND 8
Supply current, AUTO-ONLINE disabled 0.6 1 mA ONLINE = SHUTDOWN = Vcc, no load, VCC = 3.3V, TAMB = +25oC, TxIN = GND or VCC 8
Input logic threshold Low 0.8 V VCC = 3.3V or 5.0V, TxIN, ONLINE, SHUTDOWN 8
Input logic threshold High 2.4 V VCC = 3.3V or 5.0V, TxIN, ONLINE, SHUTDOWN 8
Input leakage current -1 0.01 1 µA TAMB = +25°C, VIN = 0V to VCC 8
Output leakage current, receivers disabled -10 0.05 10 µA Receivers disabled, VOUT = 0V to VCC 8
Output voltage Low 0.4 V IOUT = 1.6mA 8
Output voltage swing -5 5.4 V All driver outputs loaded with 3kΩ to GND, TAMB = +25oC 8
Output resistance 300 Ω VCC = V+ = V- = 0V, VOUT = ±2V 8
Output short-circuit current -35 60 mA VOUT = 0V 8
Output leakage current, drivers disabled -25 25 µA VCC = 0V or 3.0V to 5.5V, VOUT = ±12V, drivers disabled 8
Receiver input voltage range -15 15 V 8
Receiver input threshold Low 0.6 1.2 V VCC = 3.3V 8
Receiver input threshold Low 0.8 1.5 V VCC = 5.0V 8
Receiver input threshold High 1.5 2.4 V VCC = 3.3V 8
Receiver input threshold High 1.8 2.4 V VCC = 5.0V 8
Input resistance 3 5 7 kΩ 8
STATUS output voltage Low 0.4 V IOUT = 1.6mA, ONLINE = GND, SHUTDOWN = VCC, 25°C 9
Receiver threshold to drivers enabled (tONLINE) tONLINE 350 µs Figure 20 9
Receiver positive or negative threshold to STATUS High (tSTSH) tSTSH 0.2 µs Figure 20 9
Receiver positive or negative threshold to STATUS Low (tSTSL) tSTSL 30 µs Figure 20 9
Maximum data rate (U, 1Mbps) 1000 kbps RL = 3kΩ, CL = 250pF, one driver active 9
Receiver propagation delay tPHL tPHL 0.15 µs Receiver input to receiver output, CL = 150pF 9
Receiver propagation delay tPLH tPLH 0.15 µs Receiver input to receiver output, CL = 150pF 9
Receiver output enable time 200 ns Normal operation 9
Receiver output disable time 200 ns Normal operation 9
Driver skew (EH, EU) 50 100 ns / tPHL - tPLH / 9
Receiver skew 50 ns / tPHL - tPLH / 9
Transition-region slew rate (EH, EU) 90 V/µs VCC = 3.3V, RL = 3kΩ, TAMB = 25°C, measured from -3.0V to +3.0V or +3.0V to -3.0V 9
Input hysteresis 0.3 V 8

CAD (KiCad official)

  • Symbol: SP3243EUCA-L
  • Footprint: Package_SO:SSOP-28_5.3x10.2mm_P0.65mm
  • 3D model: SSOP-28-208mil (KiCad packages3D, STEP)
  • 3D model files: sp3243euca-l-etched.step / sp3243euca-l-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sp3243euca-l.step / sp3243euca-l.glb are the bare package body.

Provenance

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

  • Datasheet: MaxLinear datasheet (30 pp, sha256 ea4b22b2d3fb360a, retrieved 2026-11-05, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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