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MAX232EN
Public Made by Adomby adom
HTC Korea TAEJIN Tech RS232 ICs, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMAX232EN
HTC Korea TAEJIN Tech · RS232 ICs · DIP-16
MAX232EN from HTC Korea TAEJIN Tech, in a DIP-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 | Terminal for the positive side of the charge-pump C1 capacitor. |
| 2 | V+ | power_out | Positive voltage generated by the charge pump (V+ absolute maximum 14 V). |
| 3 | C1- | passive | Terminal for the negative side of the charge-pump C1 capacitor. |
| 4 | C2+ | passive | Terminal for the positive side of the charge-pump C2 capacitor. |
| 5 | C2- | passive | Terminal for the negative side of the charge-pump C2 capacitor. |
| 6 | V- | power_out | Negative voltage generated by the charge pump (V- absolute minimum -14 V). |
| 7 | T2OUT | output | RS-232 driver 2 output at RS-232 levels. |
| 8 | R2IN | input | RS-232 receiver 2 input at RS-232 levels (±30 V allowed). |
| 9 | R2OUT | output | RS-232 receiver 2 output at TTL/CMOS levels. |
| 10 | T2IN | input | RS-232 driver 2 input at TTL/CMOS levels. |
| 11 | T1IN | input | RS-232 driver 1 input at TTL/CMOS levels. |
| 12 | R1OUT | output | RS-232 receiver 1 output at TTL/CMOS levels. |
| 13 | R1IN | input | RS-232 receiver 1 input at RS-232 levels (±30 V allowed). |
| 14 | T1OUT | output | RS-232 driver 1 output at RS-232 levels. |
| 15 | GND | power_in | Ground. |
| 16 | VCC | power_in | Supply voltage input, 4.5 V to 5.5 V recommended (absolute maximum 6.0 V). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HTC Korea TAEJIN Tech |
| Package | DIP-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 | ICC | 10 | mA | VCC = 5.5V, VIL = 0V | 5 | ||
| Receiver Hysteresis Voltage | Vh | 0.2 | 0.9 | V | VCC = 5.0V | 5 | |
| Receiver On (Operation) Voltage | Von | 2.4 | V | VO ≤ 0.1V, IOL ≤ 20µA | 5 | ||
| Receiver Off (Dropout) Voltage | Voff | 0.8 | V | VO ≥ VCC - 0.1V, IOH ≤ -20µA | 5 | ||
| Receiver Output Low Voltage | VOL | 0.3 | V | IL = 3.2mA, VCC = 4.5V, VIH = 2.4V | 5 | ||
| Receiver Output High Voltage | VOH | 3.6 | V | IOH = -1.0mA, VCC = 4.5V, VIL = 0.8V | 5 | ||
| Receiver Input Resistance | RI | 3 | 7 | kΩ | VCC = 5.0V | 5 | |
| Transmitter Output Low Voltage | VOL | -5.2 | V | VCC = 4.5V, VIH = 2.0V, RL = 3.0kΩ | 5 | ||
| Transmitter Output High Voltage | VOH | 5.2 | V | VCC = 4.5V, VIL = 0.8V, RL = 3.0kΩ | 5 | ||
| Transmitter Input Low Current | IIL | -1 | µA | VCC = 5.5V, VIL = 0V | 5 | ||
| Transmitter Input High Current | IIH | 1 | µA | VCC = 5.5V, VIH = VCC | 5 | ||
| Speed Of Output Front Charge (Slew Rate) | SR | 3 | 30 | V/µs | VCC = 5.0V, CL = 50 - 1000pF, RL = 3.0 - 7.0kΩ | 5 | |
| Transmitter Output Resistance | RO | 350 | Ω | VCC = V+ = V- = 0V, VO = ±2V | 5 | ||
| Short Circuit Output Current (VI = VCC) | ISC | -50 | mA | VCC = 5.5V, VO = 0V, VI = VCC | 5 | ||
| Short Circuit Output Current (VI = 0) | ISC | 50 | mA | VCC = 5.5V, VO = 0V, VI = 0 | 5 | ||
| Speed Of Information Transmission | ST | 140 | kbit/s | VCC = 4.5V, CL = 1000pF, RL = 3.0kΩ, tW = 7µs | 5 | ||
| Receiver Signal Propagation Delay Time | tPHLR (tPLHR) | 9.7 | µs | VCC = 4.5V, CL = 150pF, VIL = 0V, VIH = 3.0V, tLH = tHL ≤ 10ns | 5 | ||
| Transmitter Signal Propagation Delay Time | tPHLT (tPLHT) | 5 | µs | VCC = 4.5V, CL = 2500pF, VIL = 0V, VIH = 3.0V, RL = 3kΩ, tLH = tHL ≤ 10ns | 5 | ||
| Supply Voltage (abs max) | VCC | -0.3 | 6 | V | 1 | ||
| Transmitter High Output Voltage (abs max) | V+ | 14 | V | 1 | |||
| Transmitter Low Output Voltage (abs max) | V- | -14 | 0.3 | V | 1 | ||
| Transmitter Input Voltage (abs max) | VTIN | -0.3 | V | 1 | |||
| Receiver Input Voltage (abs max) | VRIN | -30 | 30 | V | 1 | ||
| Voltage Applied to Receiver Output (abs max) | VROUT | -0.3 | V | 1 | |||
| Storage Temperature Range | TSTG | -65 | 150 | °C | 1 | ||
| Supply Voltage (recommended) | VCC | 4.5 | 5.5 | V | 2 | ||
| Transmitter Input Voltage (recommended) | VTIN | 0 | V | 2 | |||
| Receiver Input Voltage (recommended) | VRIN | -30 | 30 | V | 2 | ||
| Output Current of Transmitter Short Circuit | ISC | -60 | 60 | mA | 2 | ||
| Ambient Temperature Range | TA | -40 | 85 | °C | 2 |
CAD (KiCad official)
- Symbol:
MAX232EN - Footprint:
Package_DIP:DIP-16_W7.62mm - 3D model: DIP-16 (KiCad packages3D, STEP)
- 3D model files:
max232en-etched.step/max232en-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);max232en.step/max232en.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HTC Korea TAEJIN Tech datasheet (8 pp, sha256
b0e60b7cfb6dda03, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-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).