component
MAX3222EEWN+
Public Made by Adomby adom
Maxim Integrated Pre-ordered Chips, SOIC-18-300mil. 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 |
| max3222eewn-etched.glb | 10d ago |
| max3222eewn-etched.step | 10d ago |
| max3222eewn-hero.glb | 10d ago |
| max3222eewn-hero.overlay.json | 10d ago |
| max3222eewn.glb | 10d ago |
| max3222eewn.kicad_mod | 10d ago |
| max3222eewn.kicad_sym | 10d ago |
| max3222eewn.lbr | 10d ago |
| max3222eewn.step | 10d ago |
| package.json | 10d ago |
| page.json | 10d ago |
| README.md | 10d ago |
| verification.json | 10d ago |
MAX3222EEWN+
Maxim Integrated · Pre-ordered Chips · SOIC-18-300mil
MAX3222EEWN+ from Maxim Integrated, in a SOIC-18-300mil. 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 | EN | input | Receiver enable, active low; driving EN high places the receiver outputs into a high-impedance state. |
| 2 | C1+ | passive | Positive terminal of the voltage-doubler charge-pump flying capacitor C1. |
| 3 | V+ | power_out | Doubled charge-pump output of +5.5V generated from VCC, decoupled by reservoir capacitor C3. |
| 4 | C1- | passive | Negative terminal of the voltage-doubler charge-pump flying capacitor C1. |
| 5 | C2+ | passive | Positive terminal of the inverting charge-pump flying capacitor C2. |
| 6 | C2- | passive | Negative terminal of the inverting charge-pump flying capacitor C2. |
| 7 | V- | power_out | Inverting charge-pump output of -5.5V generated internally by the charge pump. |
| 8 | T2OUT | output | RS-232 transmitter 2 output that may be driven up to ±12V in shutdown and is forced high-impedance when SHDN = GND. |
| 9 | R2IN | input | RS-232 receiver 2 input with a absolute voltage limit of ±25V to GND. |
| 10 | R2OUT | output | TTL/CMOS receiver 2 output that is inverting, three-state, and high-impedance when EN is high. |
| 11 | T2IN | input | TTL/CMOS transmitter 2 input with no pullup resistor; connect unused inputs to GND or VCC. |
| 12 | T1IN | input | TTL/CMOS transmitter 1 input with no pullup resistor; connect unused inputs to GND or VCC. |
| 13 | R1OUT | output | TTL/CMOS receiver 1 output that is inverting, three-state, and high-impedance when EN is high. |
| 14 | R1IN | input | RS-232 receiver 1 input with an absolute voltage limit of ±25V to GND. |
| 15 | T1OUT | output | RS-232 transmitter 1 output that may be driven up to ±12V in shutdown and is forced high-impedance when SHDN = GND. |
| 16 | GND | power_in | Ground reference for the device. |
| 17 | VCC | power_in | Supply voltage, +3.0V to +5.5V. |
| 18 | SHDN | input | Shutdown control, active low; SHDN = GND disables the transmitters and forces their outputs high-impedance while the MAX3222E receivers stay active. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Maxim Integrated |
| Package | SOIC-18-300mil |
| Category | Interface ICs |
| Pins | 18 |
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 Current | 0.3 | 1 | mA | SHDN = VCC, no load; MAX3222E | 2 | ||
| Shutdown Supply Current | 1 | 10 | µA | SHDN = GND | 2 | ||
| Input Logic Low | 0.8 | V | T_IN, EN, SHDN, MBAUD | 2 | |||
| Input Logic High | 2 | V | VCC = +3.3V; T_IN, EN, SHDN, MBAUD | 2 | |||
| Input Logic High | 2.4 | V | VCC = +5.0V; T_IN, EN, SHDN, MBAUD | 2 | |||
| Input Leakage Current | -1 | 0.01 | 1 | µA | T_IN, EN, SHDN; MAX3222E/MAX3232E/MAX3241E/MAX3246E | 2 | |
| Output Leakage Current (R_OUT) | -10 | 0.05 | 10 | µA | EN = VCC, receivers disabled; MAX3222E | 3 | |
| Output-Voltage Low | 0.4 | V | IOUT = 1.6mA (MAX3222E/MAX3232E/MAX3241E/MAX3246E) | 3 | |||
| Input Voltage Range | -25 | 25 | V | 3 | |||
| Input Threshold Low | 0.6 | 1.1 | V | TA = +25°C, VCC = +3.3V | 3 | ||
| Input Threshold Low | 0.8 | 1.5 | V | TA = +25°C, VCC = +5.0V | 3 | ||
| Input Threshold High | 1.5 | 2.4 | V | TA = +25°C, VCC = +3.3V | 3 | ||
| Input Threshold High | 2 | 2.4 | V | TA = +25°C, VCC = +5.0V | 3 | ||
| Input Resistance | 3 | 5 | 7 | kΩ | TA = +25°C | 3 | |
| Output Voltage Swing | -5 | 5.4 | V | All transmitter outputs loaded with 3kΩ to ground | 3 | ||
| Output Resistance | 300 | Ω | VCC = 0V, transmitter output = ±2V | 3 | |||
| Output Resistance | 50 | kΩ | VCC = 0V, transmitter output = ±2V | 3 | |||
| Output Short-Circuit Current | -60 | 60 | mA | 3 | |||
| Output Leakage Current (transmitter) | -25 | 25 | µA | VCC = 0V or +3.0V to +5.5V, VOUT = ±12V, transmitters disabled (MAX3222E/MAX3232E/MAX3241E/MAX3246E) | 3 | ||
| ESD Human Body Model (R_IN, T_OUT) | -15 | 15 | kV | R_IN, T_OUT | 3 | ||
| ESD IEC 1000-4-2 Air-Gap Discharge (R_IN, T_OUT) | -15 | 15 | kV | R_IN, T_OUT; except MAX3237E | 3 | ||
| ESD IEC 1000-4-2 Contact Discharge (R_IN, T_OUT) | -8 | 8 | kV | R_IN, T_OUT; except MAX3237E | 3 | ||
| Maximum Data Rate | 250 | kbps | RL = 3kΩ, CL = 1000pF, one transmitter switching, TA = TMIN to TMAX (MAX3222E/MAX3232E/MAX3241E) | 4 | |||
| Receiver Propagation Delay tPHL | tPHL | 0.15 | µs | Receiver input to receiver output, CL = 150pF | 4 | ||
| Receiver Propagation Delay tPLH | tPLH | 0.15 | µs | Receiver input to receiver output, CL = 150pF | 4 | ||
| Receiver Output Enable Time | 200 | ns | Normal operation (except MAX3232E) | 4 | |||
| Receiver Output Disable Time | 200 | ns | Normal operation (except MAX3232E) | 4 | |||
| Transmitter Skew | /tPHL - tPLH/ | 100 | ns | Note 7 | 4 | ||
| Receiver Skew | /tPHL - tPLH/ | 50 | ns | 4 | |||
| Transition-Region Slew Rate | 6 | 30 | V/µs | VCC = +3.3V, TA = +25°C, RL = 3kΩ to 7kΩ, CL = 150pF to 1000pF, one transmitter switching | 4 | ||
| Supply Voltage VCC to GND | VCC | -0.3 | 6 | V | 2 | ||
| V+ to GND | V+ | -0.3 | 7 | V | Note 1 | 2 | |
| V- to GND | V- | -7 | 0.3 | V | Note 1 | 2 | |
| V+ + /V-/ | 13 | V | Note 1 | 2 | |||
| Input Voltages T_IN, EN, SHDN, MBAUD to GND | -0.3 | 6 | V | 2 | |||
| Input Voltage R_IN to GND | -25 | 25 | V | 2 | |||
| Output Voltage T_OUT to GND | -13.2 | 13.2 | V | 2 | |||
| Storage Temperature Range | -65 | 150 | °C | 2 | |||
| Lead Temperature (soldering, 10s) | 300 | °C | soldering, 10s | 2 | |||
| Soldering Temperature (reflow) | 260 | °C | reflow | 2 | |||
| Supply Voltage VCC | VCC | 3 | 5.5 | V | C1-C4 = 0.1µF, TA = TMIN to TMAX | 2 | |
| Operating Temperature Range (MAX32__EE__) | -40 | 85 | °C | Extended grade (EE), applies to MAX3222EEWN+ | 2 |
CAD (KiCad official)
- Symbol:
MAX3222EEWN+ - Footprint:
Package_SO:SOIC-18W_7.5x11.6mm_P1.27mm - 3D model: SOIC-18-300mil (KiCad packages3D, STEP)
- 3D model files:
max3222eewn-etched.step/max3222eewn-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);max3222eewn.step/max3222eewn.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Maxim Integrated datasheet (22 pp, sha256
773dd6aa67273c10, 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).