TRSF3232EIDR

@@ -0,0 +1,66 @@+# TRSF3232EIDR++**Texas Instruments** · RS232 ICs · SOIC-16++TRSF3232EIDR from Texas Instruments, in a SOIC-16. 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 | C1+ | passive | Positive lead of the C1 charge-pump flying capacitor. Connect a 0.1µF ceramic capacitor between C1+ and C1- (0.047µF at VCC=3.3V or 0.33µF at VCC=5V per app conditions). |+| 2 | V+ | power_out | Positive charge-pump output for storage capacitor only (approximately +2×VCC). Connect a 0.1µF storage capacitor from V+ to GND. Absolute-max range -0.3V to 7V. |+| 3 | C1- | passive | Negative lead of the C1 charge-pump flying capacitor. Paired with C1+ (pin 1). |+| 4 | C2+ | passive | Positive lead of the C2 charge-pump flying capacitor. Connect a 0.1µF ceramic capacitor between C2+ and C2-. |+| 5 | C2- | passive | Negative lead of the C2 charge-pump flying capacitor. Paired with C2+ (pin 4). |+| 6 | V- | power_out | Negative charge-pump output for storage capacitor only (approximately -2×VCC). Connect a 0.1µF storage capacitor from V- to GND. Absolute-max range 0.3V to -7V. |+| 7 | DOUT2 | output | RS-232 line data output for channel 2 (to remote RS-232 system). Driven from DIN2; swings between V- and V+. ±15kV IEC 61000-4-2 air-gap and ±8kV contact ESD protected. |+| 8 | RIN2 | input | RS-232 line data input for channel 2 (from remote RS-232 system). Accepts -25V to +25V, internal 5kΩ pulldown to GND. ±15kV IEC 61000-4-2 air-gap and ±8kV contact ESD protected. |+| 9 | ROUT2 | output | Logic-level data output for channel 2 (to UART). CMOS output derived from RIN2, swings between GND and VCC. |+| 10 | DIN2 | input | Logic-level data input for channel 2 (from UART). Accepts 5V logic even with 3.3V supply (0V to 5.5V input range). VIH = 2V at VCC=3.3V, 2.4V at VCC=5V; VIL = 0.8V. |+| 11 | DIN1 | input | Logic-level data input for channel 1 (from UART). Accepts 5V logic even with 3.3V supply (0V to 5.5V input range). VIH = 2V at VCC=3.3V, 2.4V at VCC=5V; VIL = 0.8V. |+| 12 | ROUT1 | output | Logic-level data output for channel 1 (to UART). CMOS output derived from RIN1, swings between GND and VCC. |+| 13 | RIN1 | input | RS-232 line data input for channel 1 (from remote RS-232 system). Accepts -25V to +25V, internal 5kΩ pulldown to GND. ±15kV IEC 61000-4-2 air-gap and ±8kV contact ESD protected. |+| 14 | DOUT1 | output | RS-232 line data output for channel 1 (to remote RS-232 system). Driven from DIN1; swings between V- and V+. ±15kV IEC 61000-4-2 air-gap and ±8kV contact ESD protected. |+| 15 | GND | power_in | Device ground and network reference for all supplies. Datasheet 'GRD' label; all voltages are with respect to network GND. |+| 16 | VCC | power_in | Positive supply voltage input. Connect to an external 3V to 5.5V power supply. A 1µF bypass capacitor between VCC and GND is required to meet the specified IEC ESD level for the D/PW/RGT packages. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16 |+| Category | Comm/UART |+| Pins | 16 |++## Ordering variants++Same part, different packaging or reel option.++- `TRSF3232EIDR`+- `TRSF3232EIDRIDB`+- `TRSF3232EIDRIDBR`+- `TRSF3232EIDRIDW`+- `TRSF3232EIDRIDWR`+- `TRSF3232EIDRIPW`+- `TRSF3232EIDRIPWR`+- `TRSF3232EIDRIRGTR`+- `TRSF3232EIDRIRGTT`+- `TRSF3232EIDRIDYYR`++## CAD (KiCad official)++- Symbol: `TRSF3232EIDR`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/trsf3232e.pdf) (40 pp, sha256 `e2825022423aa73b`, retrieved 2026-08-17, tier: manufacturer)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/trsf3232eidr-datasheet.pdf)

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