SP3232EUEY-L

@@ -0,0 +1,61 @@+# SP3232EUEY-L++**MaxLinear** · RS232 ICs · TSSOP-16++SP3232EUEY-L from MaxLinear, in a TSSOP-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 terminal of the voltage doubler charge-pump capacitor (C1, typ 0.1µF). Connect between C1+ and C1-. |+| 2 | V+ | power_out | +5.5V output generated by the internal charge pump. Bypass to GND with a 0.1µF capacitor. |+| 3 | C1- | passive | Negative terminal of the voltage doubler charge-pump capacitor (C1, typ 0.1µF). |+| 4 | C2+ | passive | Positive terminal of the inverting charge-pump capacitor (C2, typ 0.1µF). Connect between C2+ and C2-. |+| 5 | C2- | passive | Negative terminal of the inverting charge-pump capacitor (C2, typ 0.1µF). |+| 6 | V- | power_out | -5.5V output generated by the internal inverting charge pump. Bypass to GND with a 0.1µF capacitor. |+| 7 | T2OUT | output | RS-232 driver #2 output. Typical output swing ±5.4V into a 3kΩ load; ±15kV ESD protected. |+| 8 | R2IN | input | RS-232 receiver #2 input. Accepts ±15V RS-232 signals; input resistance 3-7kΩ (typ 5kΩ). |+| 9 | R2OUT | output | TTL/CMOS receiver #2 output. Drives VOL ≤ 0.4V @ 1.6mA and VOH ≥ VCC-0.6V @ -1mA. |+| 10 | T2IN | input | TTL/CMOS driver #2 input. Logic threshold LOW ≤ 0.8V, HIGH ≥ 2.0V at VCC=3.3V; typ 250mV input hysteresis. |+| 11 | T1IN | input | TTL/CMOS driver #1 input. Logic threshold LOW ≤ 0.8V, HIGH ≥ 2.0V at VCC=3.3V; typ 250mV input hysteresis. |+| 12 | R1OUT | output | TTL/CMOS receiver #1 output. Drives VOL ≤ 0.4V @ 1.6mA and VOH ≥ VCC-0.6V @ -1mA. |+| 13 | R1IN | input | RS-232 receiver #1 input. Accepts ±15V RS-232 signals; input resistance 3-7kΩ (typ 5kΩ). |+| 14 | T1OUT | output | RS-232 driver #1 output. Typical output swing ±5.4V into a 3kΩ load; ±15kV ESD protected. |+| 15 | GND | power_in | Device ground reference. |+| 16 | VCC | power_in | Positive supply, +3.0V to +5.5V. Bypass to GND with a 0.1µF capacitor. Absolute max +6.0V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | MaxLinear |+| Package | TSSOP-16 |+| Category | Interface |+| Pins | 16 |++## Ordering variants++Same part, different packaging or reel option.++- `SP3232EUEY-LEUCY-L/TR`+- `SP3232EUEY-L/TR`+- `SP3232EUEY-LEUCN-L`+- `SP3232EUEY-LEUCN-L/TR`+- `SP3232EUEY-LEUEA-L`++## CAD (KiCad official)++- Symbol: `SP3232EUEY-L`+- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`+- 3D model: TSSOP-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [MaxLinear datasheet](docs/sp3232euey-l-datasheet.pdf) (20 pp, sha256 `69636e7f4c5d9299`, retrieved 2026-08-17, tier: lcsc)+- **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/sp3232euey-l-datasheet.pdf)

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