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MAX3227ECUE+

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Maxim Integrated Pre-ordered Chips, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentinterface icsmax3227ecue+factory-2.0.0extractor-text

Verified MAX3227ECUE+

by Ray · last 31 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

31 Oct 2026RayPublished by the parts factory: tier mfr, 16 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: MAX3227ECUE+ · TSSOP-16 · 16 pins
  • ✓copper: 16 copper pads, none touching another net
  • ✓datasheet: all 16 pin names found in the 25-page datasheet
  • ✓distributor: lcsc C1545156, digikey MAX3227ECUE+-ND, mouser 700-MAX3227ECUE
  • ✓family: TSSOP-16_4.4x5mm_P0.65mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-1ah2k9n6/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: 16 pins = 16 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 16 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ max3227ecue.kicad_sym✓ max3227ecue.kicad_mod✓ max3227ecue.step
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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 9d ago
viewers max3227ecue: viewers · Ray 9d ago
max3227ecue-etched.glb Publish 0.1.0 · Ray 9d ago
max3227ecue-etched.step max3227ecue: factory component page (tier=mfr) · Ray 9d ago
max3227ecue-hero.glb max3227ecue: hero GLB from the etched model (keeps the MPN mark) · Ray 9d ago
max3227ecue-hero.overlay.json Publish 0.1.0 · Ray 9d ago
max3227ecue.glb Publish 0.1.0 · Ray 9d ago
max3227ecue.kicad_mod Publish 0.1.0 · Ray 9d ago
max3227ecue.kicad_sym Publish 0.1.0 · Ray 9d ago
max3227ecue.lbr Publish 0.1.0 · Ray 9d ago
max3227ecue.step Publish 0.1.0 · Ray 9d ago
package.json Publish 0.1.0 · Ray 9d ago
page.json Set visibility: public · Ray 9d ago
README.md Publish 0.1.0 · Ray 9d ago
verification.json Verified: Published by the parts factory: tier mfr, 16 pins · Ray 9d ago

MAX3227ECUE+

Maxim Integrated · Pre-ordered Chips · TSSOP-16

MAX3227ECUE+ from Maxim Integrated, in a TSSOP-16. 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 READY output Active-high ready-to-transmit output that goes high when V- falls below -4V and the device is ready to transmit.
2 C1+ passive Positive terminal of the voltage-doubler charge-pump capacitor.
3 V+ power_out +5.5V supply generated by the charge pump.
4 C1- passive Negative terminal of the voltage-doubler charge-pump capacitor.
5 C2+ passive Positive terminal of the inverting charge-pump capacitor.
6 C2- passive Negative terminal of the inverting charge-pump capacitor.
7 V- power_out -5.5V supply generated by the charge pump.
8 R1IN input RS-232 receiver input, protected to ±15kV ESD.
9 R1OUT output TTL/CMOS receiver output.
10 INVALID output Valid signal detector output, active low; a logic high indicates a valid RS-232 level is present on a receiver input.
11 T1IN input TTL/CMOS transmitter input with no pullup resistor; connect unused inputs to GND or VCC.
12 FORCEON input Active-high force-on input; drive high to override AutoShutdown Plus, keeping transmitters and receivers on (FORCEOFF must be high).
13 T1OUT output RS-232 transmitter output, protected to ±15kV ESD.
14 GND power_in Ground.
15 VCC power_in +3.0V to +5.5V single supply voltage.
16 FORCEOFF input Active-low force-off input; when low, transmitters are high impedance, charge pumps are shut down and receivers are active, overriding AutoShutdown Plus and FORCEON.

Key specifications

Parameter Value
Manufacturer Maxim Integrated
Package TSSOP-16
Category Interface ICs
Pins 16

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, AutoShutdown Plus 1 10 μA FORCEON = GND, FORCEOFF = VCC, all R_IN idle, all T_IN idle; VCC = 3.3V or 5.0V, TA = +25°C 6
Supply Current, Shutdown 1 10 μA FORCEOFF = GND; VCC = 3.3V or 5.0V, TA = +25°C 6
Supply Current, AutoShutdown Plus Disabled 0.3 1 mA FORCEON = FORCEOFF = VCC, no load; VCC = 3.3V or 5.0V, TA = +25°C 6
Input Logic Threshold Low 0.8 V T_IN, FORCEON, FORCEOFF 6
Input Logic Threshold High (VCC = 3.3V) 2 V T_IN, FORCEON, FORCEOFF, VCC = 3.3V 6
Input Logic Threshold High (VCC = 5.0V) 2.4 V T_IN, FORCEON, FORCEOFF, VCC = 5.0V 6
Transmitter Input Hysteresis 0.5 V 6
Input Leakage Current 0.01 1 μA T_IN, FORCEON, FORCEOFF; printed ±0.01 typ, ±1 max 6
Output Voltage Low 0.4 V IOUT = 1.6mA 6
Receiver Input Voltage Range -25 25 V 6
Receiver Input Threshold Low (VCC = 3.3V) 0.6 1.2 V TA = +25°C, VCC = 3.3V 6
Receiver Input Threshold Low (VCC = 5.0V) 0.8 1.5 V TA = +25°C, VCC = 5.0V 6
Receiver Input Threshold High (VCC = 3.3V) 1.5 2.4 V TA = +25°C, VCC = 3.3V 6
Receiver Input Threshold High (VCC = 5.0V) 1.8 2.4 V TA = +25°C, VCC = 5.0V 6
Receiver Input Hysteresis 0.5 V 6
Receiver Input Resistance 3 5 7 kΩ TA = +25°C 6
Transmitter Output Voltage Swing 5 5.4 V All transmitter outputs loaded with 3kΩ to ground; printed ±5 min, ±5.4 typ 6
Output Short-Circuit Current 60 mA printed ±60 6
Transmitter Output Leakage Current 25 µA VCC = 0V or 3V to 5.5V, VOUT = ±12V, Transmitters disabled; printed ±25 6
ESD Protection R_IN, T_OUT, IEC 1000-4-2 Air Discharge 15 kV printed ±15 7
ESD Protection R_IN, T_OUT, IEC 1000-4-2 Contact Discharge 8 kV printed ±8 7
ESD Protection R_IN, T_OUT, Human Body Model 15 kV printed ±15 7
Receiver Positive Threshold to INVALID Output High 2.7 V Figure 4a, FORCEON = GND, FORCEOFF = VCC 7
Receiver Negative Threshold to INVALID Output High -2.7 V Figure 4a, FORCEON = GND, FORCEOFF = VCC 7
Receiver Input Threshold to INVALID Output Low -0.3 0.3 V Figure 4a, FORCEON = GND, FORCEOFF = VCC 7
INVALID, READY Output Voltage Low 0.4 V IOUT = -1.6mA 7
Receiver Threshold to INVALID High tINVH 1 μs VCC = 5V, Figure 4b 7
Receiver Threshold to INVALID Low tINVL 30 μs VCC = 5V, Figure 4b 7
Receiver or Transmitter Edge to Transmitters Enabled tWU 100 μs VCC = 5V, Figure 5b (Note 2) 7
Receiver or Transmitter Edge to Transmitters Shutdown tAUTOSHDN 15 30 60 s VCC = 5V, Figure 5b (Note 2) 7
Maximum Data Rate 250 kbps RL = 3kΩ, CL = 1000pF, one transmitter switching 8
Maximum Data Rate (VCC = 3.0V to 4.5V) 1000 kbps VCC = 3.0V to 4.5V, RL = 3kΩ, CL = 250pF, one transmitter switching 8
Maximum Data Rate (VCC = 4.5V to 5.5V) 1000 kbps VCC = 4.5V to 5.5V, RL = 3kΩ, CL = 1000pF, one transmitter switching 8
Receiver Propagation Delay tPHL tPHL 0.15 μs R_IN to R_OUT, CL = 150pF 8
Receiver Propagation Delay tPLH tPLH 0.15 μs R_IN to R_OUT, CL = 150pF 8
Transmitter Skew 25 ns │tPHL - tPLH│ (Note 3) 8
Receiver Skew 50 ns │tPHL - tPLH│ 8
Transition-Region Slew Rate 24 150 V/μs VCC = 3.3V, TA = +25°C, RL = 3kΩ to 7kΩ, CL = 150pF to 1000pF, measured from +3V to -3V or -3V to +3V, one transmitter switching 8
Supply Voltage Range VCC 3 5.5 V Electrical characteristics header VCC = +3V to +5.5V 6
Operating Temperature Range (MAX32__EC__) TA 0 70 °C 2
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
T_IN, FORCEON, FORCEOFF to GND -0.3 6 V Input voltages 2
R_IN to GND -25 25 V 2
T_OUT to GND -13.2 13.2 V Short-circuit duration continuous 2
R_OUT, INVALID, READY to GND -0.3 V Max is (VCC + 0.3V) 2
Storage Temperature Range -65 160 °C 2
Lead Temperature (soldering, 10s) 300 °C 2
Soldering Temperature (reflow) 260 °C 2
Thermal Resistance Junction to Ambient, 16-TSSOP θJA 106 °C/W Single layer board, package U16+1 2
Thermal Resistance Junction to Case, 16-TSSOP θJC 27 °C/W Single layer board, package U16+1 2
Thermal Resistance Junction to Ambient, 16-TSSOP θJA 90 °C/W Four-layer board, package U16+1 2

CAD (KiCad official)

  • Symbol: MAX3227ECUE+
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: max3227ecue-etched.step / max3227ecue-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max3227ecue.step / max3227ecue.glb are the bare package body.

Provenance

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

  • Datasheet: Maxim Integrated datasheet (25 pp, sha256 8542587c6f3a36a5, retrieved 2026-10-31, 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