component
SN65C3243DBR
Public Made by Adomby adom
Texas Instruments RS232 ICs, SSOP-28-208mil. Datasheet-verified pinout, 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
markdownSN65C3243DBR
Texas Instruments · RS232 ICs · SSOP-28-208mil
SN65C3243DBR from Texas Instruments, in a SSOP-28-208mil. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | C2+ | passive | Positive terminal of the voltage-doubler charge-pump capacitor. |
| 2 | C2- | passive | Negative terminal of the voltage-doubler charge-pump capacitor. |
| 3 | V- | power_out | Negative charge pump output voltage with range 0.3 V to -7 V. |
| 4 | RIN1 | input | RS-232 receiver input accepting voltage range -25 V to +25 V. |
| 5 | RIN2 | input | RS-232 receiver input accepting voltage range -25 V to +25 V. |
| 6 | RIN3 | input | RS-232 receiver input accepting voltage range -25 V to +25 V. |
| 7 | RIN4 | input | RS-232 receiver input accepting voltage range -25 V to +25 V. |
| 8 | RIN5 | input | RS-232 receiver input accepting voltage range -25 V to +25 V. |
| 9 | DOUT1 | output | RS-232 driver output with output voltage range -13.2 V to +13.2 V. |
| 10 | DOUT2 | output | RS-232 driver output with output voltage range -13.2 V to +13.2 V. |
| 11 | DOUT3 | output | RS-232 driver output with output voltage range -13.2 V to +13.2 V. |
| 12 | DIN3 | input | Driver input accepting logic voltage 0 V to 5.5 V. |
| 13 | DIN2 | input | Driver input accepting logic voltage 0 V to 5.5 V. |
| 14 | DIN1 | input | Driver input accepting logic voltage 0 V to 5.5 V. |
| 15 | ROUT5 | output | Receiver output with high-level voltage (VCC - 0.6 V) to (VCC - 0.1 V) and low-level voltage 0.4 V. |
| 16 | ROUT4 | output | Receiver output with high-level voltage (VCC - 0.6 V) to (VCC - 0.1 V) and low-level voltage 0.4 V. |
| 17 | ROUT3 | output | Receiver output with high-level voltage (VCC - 0.6 V) to (VCC - 0.1 V) and low-level voltage 0.4 V. |
| 18 | ROUT2 | output | Receiver output with high-level voltage (VCC - 0.6 V) to (VCC - 0.1 V) and low-level voltage 0.4 V. |
| 19 | ROUT1 | output | Receiver output with high-level voltage (VCC - 0.6 V) to (VCC - 0.1 V) and low-level voltage 0.4 V. |
| 20 | ROUT2B | output | Always-active noninverting receiver output providing data transmission even when device is powered down. |
| 21 | INVALID | output | Invalid Output Pin that goes high for valid RS-232 signal and low when input voltages remain between -0.3 V and 0.3 V for more than 30 μs. |
| 22 | FORCEOFF | input | Auto Powerdown Control input accepting logic voltage 0 V to 5.5 V for controlling auto-powerdown feature. |
| 23 | FORCEON | input | Auto Powerdown Control input accepting logic voltage 0 V to 5.5 V for controlling auto-powerdown feature. |
| 24 | C1- | passive | Negative terminal of the voltage-doubler charge-pump capacitor. |
| 25 | GND | power_in | Ground reference (0 V). |
| 26 | VCC | power_in | Positive supply voltage, operating range 3 V to 5.5 V. |
| 27 | V+ | power_out | Positive charge pump output voltage with range -0.3 V to 7 V. |
| 28 | C1+ | passive | Positive terminal of the voltage-doubler charge-pump capacitor. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SSOP-28-208mil |
| Category | Interface |
| Pins | 28 |
CAD (KiCad official)
- Symbol:
SN65C3243DBR - Footprint:
Package_SO:SSOP-28_5.3x10.2mm_P0.65mm - 3D model: SSOP-28-208mil (KiCad packages3D, STEP)
- 3D model files:
sn65c3243dbr-etched.step/sn65c3243dbr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn65c3243dbr.step/sn65c3243dbr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (25 pp, sha256
6f5ef514f6970b14, retrieved 2026-09-23, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-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).