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MAX232AESE+T

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Analog Devices Inc Maxim Integrated RS232 ICs, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MAX232AESE+T

Analog Devices Inc Maxim Integrated · RS232 ICs · SOIC-16

MAX232AESE+T from Analog Devices Inc Maxim Integrated, in a SOIC-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 C1+ passive Positive terminal of the voltage-doubler charge-pump capacitor C1, which is 0.1µF for the MAX232A in the Figure 5 circuit.
2 V+ power_out Doubled charge-pump output at about +10V unloaded; it is unregulated, so it drops with load and must not be loaded below the minimum ±5V RS-232 driver level.
3 C1- passive Negative terminal of the voltage-doubler charge-pump capacitor C1.
4 C2+ passive Positive terminal of the voltage-inverter charge-pump capacitor C2.
5 C2- passive Negative terminal of the voltage-inverter charge-pump capacitor C2.
6 V- power_out Inverted charge-pump output at about -10V unloaded; it is unregulated, so it drops with load and must not be loaded below the minimum ±5V RS-232 driver level.
7 T2OUT output RS-232 driver 2 output, typically ±8V with a 5kΩ load at VCC = +5V, guaranteed to meet ±5V minimum and capable of being driven to ±15V.
8 R2IN input RS-232 receiver 2 input, which withstands ±30V overvoltage on the MAX232A family and has an internal 5kΩ terminating resistor.
9 R2OUT output TTL/CMOS output of receiver 2, which inverts the RS-232 input signal.
10 T2IN input TTL/CMOS input of driver 2, with a built-in 400kΩ pull-up to VCC so an unused driver input can be left unconnected.
11 T1IN input TTL/CMOS input of driver 1, with a built-in 400kΩ pull-up to VCC so an unused driver input can be left unconnected.
12 R1OUT output TTL/CMOS output of receiver 1, which inverts the RS-232 input signal.
13 R1IN input RS-232 receiver 1 input, which withstands ±30V overvoltage on the MAX232A family and has an internal 5kΩ terminating resistor.
14 T1OUT output RS-232 driver 1 output, typically ±8V with a 5kΩ load at VCC = +5V, guaranteed to meet ±5V minimum and capable of being driven to ±15V.
15 GND power_in Ground reference for the device.
16 VCC power_in +5V supply (±10% per the electrical characteristics), to be decoupled to GND close to the device in noise-sensitive applications.

Key specifications

Parameter Value
Manufacturer Analog Devices Inc Maxim Integrated
Package SOIC-16
Category Interface
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 voltage (VCC) VCC -0.3 6 V 2
V+ (Note 1) V+ 14 V Printed lower limit is (VCC - 0.3V); Note 1 2
V- (Note 1) V- 0.3 14 V Printed as +0.3V to +14V; Note 1 2
Input voltage TIN TIN -0.3 V Printed upper limit is (VCC - 0.3V) 2
Input voltage RIN (except MAX220) RIN -30 30 V Except MAX220 2
Input voltage TOUT (except MAX220, Note 2) TOUT -15 15 V Except MAX220; Note 2: TOUT high-impedance, SHDN or VCC = 0V 2
Output voltage TOUT TOUT -15 15 V 2
Output voltage ROUT ROUT -0.3 V Printed upper limit is (VCC + 0.3V) 2
Storage temperature range TSTG -65 160 °C 2
Lead temperature (soldering) TLEAD 300 °C Soldering, 10s (Note 3) 2
Operating temperature range (AE grade, MAX232AESE) TA -40 85 °C MAX2__AE__, MAX2__E__ grade 2
Operating supply voltage VCC 4.5 5.5 V VCC = +5V ±10% 3
RS-232 transmitter output voltage swing VOUT 5 8 V All transmitter outputs loaded with 3kΩ to GND; printed as ±5 (min) and ±8 (typ) 2
TTL/CMOS input logic threshold low VIL 0.8 V 2
TTL/CMOS input logic threshold high VIH 2 V All devices except MAX220 2
Logic pullup / input current IIH 5 40 µA All except MAX220, normal operation 2
Output leakage current (RS-232 transmitter, shutdown) IOUT_LEAK -10 0.01 10 µA VOUT = ±15V; VCC = SHDN = 0V 2
Data rate DR 200 kbps 2
Transmitter output resistance ROUT_TX 300 Ω VCC = V+ = V- = 0V, VOUT = ±2V 2
Output short-circuit current (transmitter) IOS 7 22 mA VOUT = 0V 2
RS-232 input voltage operating range VIN -30 30 V All except MAX220 2
RS-232 input threshold low VIL_RS232 0.8 1.3 V VCC = 5V; all except MAX243 R2IN 2
RS-232 input threshold high VIH_RS232 1.8 2.4 V VCC = 5V; all except MAX243 R2IN 2
RS-232 input hysteresis VHYS 0.2 0.5 1 V VCC = 5V, no hysteresis in SHDN; all except MAX220/MAX243 3
RS-232 input resistance RIN 3 5 7 kΩ TA = +25°C 3
TTL/CMOS output voltage low VOL 0.2 0.4 V IOUT = 3.2mA 3
TTL/CMOS output voltage high VOH 3.5 V IOUT = -1.0mA; printed upper limit VCC - 0.2V 3
TTL/CMOS output short-circuit current, sourcing IOS_SRC -2 -10 mA Sourcing VOUT = GND 3
TTL/CMOS output short-circuit current, shrinking IOS_SNK 10 30 mA Shrinking VOUT = VCC 3
TTL/CMOS output leakage current IOZ -10 0.05 10 µA SHDN = VCC or EN = VCC (SHDN = 0V for MAX222), 0V ≤ VOUT ≤ VCC 3
VCC supply current, no load ICC 4 10 µA No load, SHDN = VCC (MAX222/MAX232A/MAX233A/MAX242/MAX243) 3
VCC supply current, 3kΩ load both inputs ICC 15 µA 3kΩ load both inputs, SHDN = VCC (MAX222/MAX232A/MAX233A/MAX242/MAX243) 3
Transition slew rate SR 6 12 30 V/µs CL = 50pF to 2500pF, RL = 3kΩ to 7kΩ, VCC = 5V, TA = +25°C, measured from +3V to -3V or -3V to +3V 3
Transmitter propagation delay, TTL to RS-232 high-to-low tPHLT 1.3 3.5 µs TTL to RS-232 (normal operation), Figure 1 3
Transmitter propagation delay, TTL to RS-232 low-to-high tPLHT 1.5 3.5 µs TTL to RS-232 (normal operation), Figure 1 3
Receiver propagation delay, RS-232 to TTL high-to-low tPHLR 0.5 1 µs RS-232 to TTL (normal operation), Figure 2 4
Receiver propagation delay, RS-232 to TTL low-to-high tPLHR 0.6 1 µs RS-232 to TTL (normal operation), Figure 2 4
Transmitter + to - propagation delay difference tPHLT - tPLHT 300 ns Normal operation 4
Receiver + to - propagation delay difference tPHLR - tPLHR 100 ns Normal operation 4

CAD (KiCad official)

  • Symbol: MAX232AESE+T
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: max232aese-t-etched.step / max232aese-t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max232aese-t.step / max232aese-t.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices Inc Maxim Integrated datasheet (36 pp, sha256 c347c0bf58fee2db, retrieved 2026-10-18, tier: lcsc)
  • 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