component
SP3243ECA-L
Public Made by Adomby adom
MaxLinear Pre-ordered Chips, SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 10d ago |
| viewers | 10d ago |
| package.json | 10d ago |
| page.json | 10d ago |
| README.md | 10d ago |
| sp3243eca-l-etched.glb | 10d ago |
| sp3243eca-l-etched.step | 10d ago |
| sp3243eca-l-hero.glb | 10d ago |
| sp3243eca-l-hero.overlay.json | 10d ago |
| sp3243eca-l.glb | 10d ago |
| sp3243eca-l.kicad_mod | 10d ago |
| sp3243eca-l.kicad_sym | 10d ago |
| sp3243eca-l.lbr | 10d ago |
| sp3243eca-l.step | 10d ago |
| verification.json | 10d ago |
SP3243ECA-L
MaxLinear · Pre-ordered Chips · SSOP-28-208mil
SP3243ECA-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; the charge pump runs from VCC with 0.1µF capacitors for 3.3V operation. |
| 2 | C2- | passive | Negative terminal of the inverting charge-pump capacitor; minimum recommended charge-pump capacitor values are listed in Table 7. |
| 3 | V- | power_out | Regulated -5.5V output generated by the charge pump, generated separately from VCC. |
| 4 | R1IN | input | RS-232 receiver input; RxIN is rated ±15V in the Absolute Maximum Ratings. |
| 5 | R2IN | input | RS-232 receiver input; RxIN is rated ±15V in the Absolute Maximum Ratings. |
| 6 | R3IN | input | RS-232 receiver input; RxIN is rated ±15V in the Absolute Maximum Ratings. |
| 7 | R4IN | input | RS-232 receiver input; RxIN is rated ±15V in the Absolute Maximum Ratings. |
| 8 | R5IN | input | RS-232 receiver input; RxIN is rated ±15V in the Absolute Maximum Ratings. |
| 9 | T1OUT | output | RS-232 driver output; TxOUT is rated ±13.2V in the Absolute Maximum Ratings. |
| 10 | T2OUT | output | RS-232 driver output; TxOUT is rated ±13.2V in the Absolute Maximum Ratings. |
| 11 | T3OUT | output | RS-232 driver output; TxOUT is rated ±13.2V in the Absolute Maximum Ratings. |
| 12 | T3IN | input | TTL/CMOS driver input; TxIN is rated -0.3V to 6.0V in the Absolute Maximum Ratings. |
| 13 | T2IN | input | TTL/CMOS driver input; TxIN is rated -0.3V to 6.0V in the Absolute Maximum Ratings. |
| 14 | T1IN | input | TTL/CMOS driver input; TxIN is rated -0.3V to 6.0V in the Absolute Maximum Ratings. |
| 15 | R5OUT | output | TTL/CMOS receiver output; RxOUT is rated -0.3V to VCC+0.3V in the Absolute Maximum Ratings. |
| 16 | R4OUT | output | TTL/CMOS receiver output; RxOUT is rated -0.3V to VCC+0.3V in the Absolute Maximum Ratings. |
| 17 | R3OUT | output | TTL/CMOS receiver output; RxOUT is rated -0.3V to VCC+0.3V in the Absolute Maximum Ratings. |
| 18 | R2OUT | output | TTL/CMOS receiver output; RxOUT is rated -0.3V to VCC+0.3V in the Absolute Maximum Ratings. |
| 19 | R1OUT | output | TTL/CMOS receiver output; RxOUT is rated -0.3V to VCC+0.3V in the Absolute Maximum Ratings. |
| 20 | R2OUT | output | Non-inverting receiver-2 output that remains active in shutdown; it is printed as R2OUT in the pin table, the same name as pin 18. |
| 21 | STATUS | output | TTL/CMOS output indicating online and shutdown status; it goes LOW when the device is shut down and is rated -0.3V to VCC+0.3V. |
| 22 | SHUTDOWN | input | Apply logic LOW to shut down the drivers and charge pump, overriding all AUTO ON-LINE circuitry and ONLINE; the input is rated -0.3V to 6.0V. |
| 23 | ONLINE | input | Apply logic HIGH to override AUTO ON-LINE circuitry and keep drivers active (SHUTDOWN must also be logic HIGH); the input is rated -0.3V to 6.0V. |
| 24 | C1- | passive | Negative terminal of the voltage doubler charge-pump capacitor. |
| 25 | GND | power_in | Ground reference for the device. |
| 26 | VCC | power_in | Supply voltage of +3.0V to +5.5V; VCC is rated -0.3V to 6.0V in the Absolute Maximum Ratings. |
| 27 | V+ | power_out | Regulated +5.5V output generated by the charge pump; V+ is rated -0.3V to 7.0V in the Absolute Maximum Ratings. |
| 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 (absolute maximum) | VCC | -0.3 | 6 | V | 7 | ||
| V+ supply (absolute maximum) | V+ | -0.3 | 7 | V | 7 | ||
| V- supply (absolute maximum) | V- | 0.3 | -7 | V | 7 | ||
| V+ + /V-/ (absolute maximum) | V+ + /V-/ | 13 | V | 7 | |||
| DC VCC or GND current (absolute maximum) | ICC | -100 | 100 | mA | 7 | ||
| Input voltage TxIN, ONLINE, SHUTDOWN (absolute maximum) | -0.3 | 6 | V | 7 | |||
| Input voltage RxIN (absolute maximum) | -15 | 15 | V | 7 | |||
| Output voltage TxOUT (absolute maximum) | -13.2 | 13.2 | V | 7 | |||
| Output voltage RxOUT, STATUS (absolute maximum) | -0.3 | V | 7 | ||||
| Storage temperature (absolute maximum) | -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 | IEC61000-4-2 Air Discharge, level 4 | 7 | ||
| ESD IEC61000-4-2 contact discharge, driver outputs and receiver inputs | -8 | 8 | kV | IEC61000-4-2 Contact Discharge, level 4 | 7 | ||
| Supply voltage VCC (operating range) | VCC | 3 | 5.5 | V | TAMB = TMIN to TMAX, C1 - C4 = 0.1µF | 8 | |
| Supply current, AUTO ON-LINE | 1 | 10 | µA | All RxIN open, ONLINE = GND, SHUTDOWN = VCC, VCC = 3.3V, TAMB = 25oC, TxIN = GND or VCC | 8 | ||
| Supply current, shutdown | 1 | 10 | µA | SHUTDOWN = GND, VCC = 3.3V, TAMB = 25oC, TxIN = VCC or GND | 8 | ||
| Supply current, AUTO ON-LINE disabled | 0.3 | 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 | TxIN, ONLINE, SHUTDOWN, TAMB = +25°C, VIN = 0V to VCC | 8 | |
| Output leakage current (receivers) | -10 | 0.05 | 10 | µA | Receivers disabled, VOUT = 0V to VCC | 8 | |
| Output voltage Low (RxOUT) | 0.4 | V | IOUT = 1.6mA | 8 | |||
| Driver output voltage swing | -5 | 5.4 | V | All driver outputs loaded with 3kΩ to GND, TAMB = +25oC | 8 | ||
| Driver output resistance | 300 | Ω | VCC = V+ = V- = 0V, VOUT = +2V | 8 | |||
| Driver output short-circuit current | -35 | 60 | mA | VOUT = 0V | 8 | ||
| Driver 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, VCC = 3.3V | 0.6 | 1.2 | V | VCC = 3.3V | 8 | ||
| Receiver input threshold High, VCC = 3.3V | 1.5 | 2.4 | V | VCC = 3.3V | 8 | ||
| Receiver input threshold Low, VCC = 5.0V | 0.8 | 1.5 | V | VCC = 5.0V | 8 | ||
| Receiver input threshold High, VCC = 5.0V | 1.8 | 2.4 | V | VCC = 5.0V | 8 | ||
| Receiver input resistance | 3 | 5 | 7 | kΩ | 8 | ||
| STATUS output voltage Low | 0.4 | V | IOUT = 1.6mA | 9 | |||
| Receiver threshold to drivers enabled | tONLINE | 350 | µs | Figure 19 | 9 | ||
| Receiver positive or negative threshold to STATUS High | tSTSH | 0.2 | µs | Figure 19 | 9 | ||
| Receiver positive or negative threshold to STATUS Low | tSTSL | 30 | µs | Figure 19 | 9 | ||
| Maximum data rate (120 kbps variant) | 120 | kbps | RL = 3kΩ, CL = 1000pF, 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 | 9 | |||
| Receiver output enable time | 200 | ns | Normal operation | 9 | |||
| Receiver output disable time | 200 | ns | Normal operation | 9 | |||
| Driver skew (E, EB) | / tPHL - tPLH / | 100 | 500 | ns | 9 | ||
| Receiver skew | / tPHL - tPLH / | 50 | ns | 9 | |||
| Transition-region slew rate (E, EB) | 6 | 30 | V/µs | 9 |
CAD (KiCad official)
- Symbol:
SP3243ECA-L - Footprint:
Package_SO:SSOP-28_5.3x10.2mm_P0.65mm - 3D model: SSOP-28-208mil (KiCad packages3D, STEP)
- 3D model files:
sp3243eca-l-etched.step/sp3243eca-l-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sp3243eca-l.step/sp3243eca-l.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MaxLinear datasheet (30 pp, sha256
3ad9f6144fdcd49d, retrieved 2026-10-30, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).