component
ST202BDR
Public Made by Adomby adom
STMicroelectronics RS232 ICs, SO-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
markdownST202BDR
STMicroelectronics · RS232 ICs · SO-16
ST202BDR from STMicroelectronics, in a SO-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 for the first charge pump capacitor. |
| 2 | V+ | power_out | Doubled voltage terminal generated by the charge pump (absolute maximum (VCC - 0.3) to 13.2 V). |
| 3 | C1- | passive | Negative terminal for the first charge pump capacitor. |
| 4 | C2+ | passive | Positive terminal for the second charge pump capacitor. |
| 5 | C2- | passive | Negative terminal for the second charge pump capacitor. |
| 6 | V- | power_out | Inverted voltage terminal generated by the charge pump (absolute maximum 0.3 to -13.2 V). |
| 7 | T2OUT | output | Second transmitter RS-232 output with ±15 V absolute maximum range and infinite short-circuit duration. |
| 8 | R2IN | input | Second receiver RS-232 input with ±30 V operating range and 3 to 7 kΩ input resistance. |
| 9 | R2OUT | output | Second receiver TTL/CMOS output, range -0.3 to (VCC + 0.3) V. |
| 10 | T2IN | input | Second transmitter TTL/CMOS input, range -0.3 to (VCC + 0.3) V. |
| 11 | T1IN | input | First transmitter TTL/CMOS input, range -0.3 to (VCC + 0.3) V. |
| 12 | R1OUT | output | First receiver TTL/CMOS output, range -0.3 to (VCC + 0.3) V. |
| 13 | R1IN | input | First receiver RS-232 input with ±30 V operating range and 3 to 7 kΩ input resistance. |
| 14 | T1OUT | output | First transmitter RS-232 output with ±15 V absolute maximum range and infinite short-circuit duration. |
| 15 | GND | power_in | Ground. |
| 16 | VCC | power_in | Supply voltage, 4.5 to 5.5 V operating, absolute maximum -0.3 to 6 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | SO-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 voltage range | VCC | 4.5 | 5.5 | V | Features | 1 | |
| Operating temperature range | -40 | 85 | °C | ST202BDR order code | 16 | ||
| Supply voltage | VCC | -0.3 | 6 | V | 4 | ||
| Extra positive voltage | V+ | 13.2 | V | (VCC, 0.3) to 13.2 | 4 | ||
| Extra negative voltage | V- | -13.2 | 0.3 | V | printed 0.3 to -13.2 | 4 | |
| Transmitter input voltage range | TIN | -0.3 | V | -0.3 to (VCC + 0.3) | 4 | ||
| Receiver input voltage range | RIN | -30 | 30 | V | ± 30 | 4 | |
| Transmitter output voltage range | TOUT | -15 | 15 | V | ± 15 | 4 | |
| Receiver output voltage range | ROUT | -0.3 | V | -0.3 to (VCC + 0.3) | 4 | ||
| VCC power supply current | ISUPPLY | 1.5 | 4 | mA | No load | 5 | |
| Transmitter output voltage swing | VTOUT | -5 | 9 | V | All transmitter outputs are loaded with 3 kΩ to GND | 5 | |
| Logic pull-up current | ITIL | 5 | 40 | µA | TIN = 0 V | 5 | |
| Input logic threshold low | VTIL | 0.8 | 1.4 | V | 5 | ||
| Input logic threshold high | VTIH | 1.4 | 2 | V | 5 | ||
| Transition slew rate | SRT | 6 | 12 | 30 | V/µs | TA = 25 °C, VCC = 5 V, RL = 3 to 7 kΩ, CL = 50 to 2500 pF | 5 |
| Data rate | DR | 200 | 400 | kbits/s | One transmitter output loaded with RL = 3 kΩ to 7 kΩ, CL = 50 to 1000 pF | 5 | |
| Transmitter output resistance | RTOUT | 300 | Ω | VCC = V+ = V- = 0 V, VOUT = ± 2 V | 5 | ||
| Transmitter output short circuit current | ISC | 22 | mA | One TXOUT to GND | 5 | ||
| Transmitter propagation delay time | tDT | 1.3 | 3.5 | µs | TTL-CMOS IN to RS-232 OUT, CL = 150 pF (50 % to 50 %) | 5 | |
| Receiver input voltage operating range | VRIN | -30 | 30 | V | 6 | ||
| RS-232 input resistance | RRIN | 3 | 5 | 7 | kΩ | TA = 25 °C | 6 |
| RS-232 input threshold low | VRIL | 0.8 | 1.3 | V | 6 | ||
| RS-232 input threshold high | VRIH | 1.8 | 2.4 | V | 6 | ||
| RS-232 input hysteresis | VRIHYS | 0.2 | 0.5 | 1 | V | VCC = 5 V | 6 |
| TTL/CMOS output voltage low | VROL | 0.2 | 0.4 | V | IOUT = 3.2 mA (to VCC) | 6 | |
| TTL/CMOS output voltage high | VROH | 3.5 | V | IOUT = 1 mA (to GND); typ printed VCC - 0.2 | 6 | ||
| Receiver output short circuit current to GND | ISCR | 2 | 10 | mA | To GND | 6 | |
| Receiver output short circuit current to VCC | ISCR | 10 | 30 | mA | To VCC | 6 | |
| Receiver propagation delay time | tDR | 0.1 | 0.5 | µs | CL = 150 pF, RS-232 in to TTL-CMOS out (50 % to 50 %) | 6 |
CAD (KiCad official)
- Symbol:
ST202BDR - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SO-16 (KiCad packages3D, STEP)
- 3D model files:
st202bdr-etched.step/st202bdr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);st202bdr.step/st202bdr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (18 pp, sha256
17760c91a40e8faf, retrieved 2026-10-26, tier: manufacturer) - 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).