component
SN75189ADR
Public Made by Adomby adom
Texas Instruments RS232 ICs, SOIC-14. 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
markdownSN75189ADR
Texas Instruments · RS232 ICs · SOIC-14
SN75189ADR from Texas Instruments, in a SOIC-14. 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 | 1A | input | RS-232 input for receiver 1, ±30V range, 3-7kΩ input impedance |
| 2 | 1CONT | input | Response control terminal for receiver 1; connect resistor or RC network to GND for threshold adjustment and noise filtering |
| 3 | 1Y | output | TTL/CMOS output for receiver 1, VOH ≥ 2.6V, VOL ≤ 0.45V |
| 4 | 2A | input | RS-232 input for receiver 2, ±30V range, 3-7kΩ input impedance |
| 5 | 2CONT | input | Response control terminal for receiver 2; connect resistor or RC network to GND for threshold adjustment and noise filtering |
| 6 | 2Y | output | TTL/CMOS output for receiver 2, VOH ≥ 2.6V, VOL ≤ 0.45V |
| 7 | GND | power_in | Ground reference (0V) |
| 8 | 3Y | output | TTL/CMOS output for receiver 3, VOH ≥ 2.6V, VOL ≤ 0.45V |
| 9 | 3CONT | input | Response control terminal for receiver 3; connect resistor or RC network to GND for threshold adjustment and noise filtering |
| 10 | 3A | input | RS-232 input for receiver 3, ±30V range, 3-7kΩ input impedance |
| 11 | 4Y | output | TTL/CMOS output for receiver 4, VOH ≥ 2.6V, VOL ≤ 0.45V |
| 12 | 4CONT | input | Response control terminal for receiver 4; connect resistor or RC network to GND for threshold adjustment and noise filtering |
| 13 | 4A | input | RS-232 input for receiver 4, ±30V range, 3-7kΩ input impedance |
| 14 | VCC | power_in | +5V power supply, 4.5-5.5V operating range |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-14 |
| Category | Interface |
| Pins | 14 |
CAD (KiCad official)
- Symbol:
SN75189ADR - Footprint:
Package_SO:SOIC-14_3.9x8.7mm_P1.27mm - 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files:
sn75189adr-etched.step/sn75189adr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn75189adr.step/sn75189adr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (29 pp, sha256
510109367a5657dc, retrieved 2026-09-27, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).