SP3232EBEY-L

@@ -0,0 +1,58 @@+# SP3232EBEY-L++**MaxLinear** · RS232 ICs · TSSOP-16++SP3232EBEY-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 (0.1µF between C1+ and C1-). |+| 2 | V+ | power_out | +5.5V charge-pump output. Bypass to GND with a 0.1µF capacitor (C3). |+| 3 | C1- | passive | Negative terminal of the voltage-doubler charge-pump capacitor C1. |+| 4 | C2+ | passive | Positive terminal of the inverting charge-pump capacitor C2 (0.1µF between C2+ and C2-). |+| 5 | C2- | passive | Negative terminal of the inverting charge-pump capacitor C2. |+| 6 | V- | power_out | -5.5V charge-pump output. Bypass to GND with a 0.1µF capacitor (C4). |+| 7 | T2OUT | output | RS-232 driver #2 output. Typical ±5.4V no-load swing, ±5.0V loaded with 3kΩ to GND; internally slew-rate limited to ≤30V/µs; short-circuit protected. |+| 8 | R2IN | input | RS-232 receiver #2 input. ±15V input range (±25V absolute max); 3-7kΩ input impedance with internal 5kΩ pulldown to GND so an unconnected input drives the receiver output HIGH. |+| 9 | R2OUT | output | TTL/CMOS receiver #2 output (inverted from R2IN). VOL≤0.4V @ 1.6mA sink; VOH≥VCC-0.6V @ 1.0mA source. |+| 10 | T2IN | input | TTL/CMOS driver #2 input. Logic-LOW ≤0.8V; logic-HIGH ≥2.0V (VCC=3.3V) or ≥2.4V (VCC=5.0V); ~250mV hysteresis. No internal pull-up - tie unused inputs to VCC or GND. |+| 11 | T1IN | input | TTL/CMOS driver #1 input. Logic-LOW ≤0.8V; logic-HIGH ≥2.0V (VCC=3.3V) or ≥2.4V (VCC=5.0V); ~250mV hysteresis. No internal pull-up - tie unused inputs to VCC or GND. |+| 12 | R1OUT | output | TTL/CMOS receiver #1 output (inverted from R1IN). VOL≤0.4V @ 1.6mA sink; VOH≥VCC-0.6V @ 1.0mA source. |+| 13 | R1IN | input | RS-232 receiver #1 input. ±15V input range (±25V absolute max); 3-7kΩ input impedance with internal 5kΩ pulldown to GND so an unconnected input drives the receiver output HIGH. |+| 14 | T1OUT | output | RS-232 driver #1 output. Typical ±5.4V no-load swing, ±5.0V loaded with 3kΩ to GND; internally slew-rate limited to ≤30V/µs; short-circuit protected. |+| 15 | GND | power_in | Ground reference. Common return for logic side, charge pump, and RS-232 loads. |+| 16 | VCC | power_in | +3.0V to +5.5V main supply. Bypass to GND with a 0.1µF ceramic capacitor (C5) placed close to the pin; on noise-sensitive rails match C5 to C1's value. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | MaxLinear |+| Package | TSSOP-16 |+| Category | Interface |+| Pins | 16 |++## Ordering variants++- `SP3232EBEY-L`+- `SP3232EBEY-LCY`+- `SP3232EBEY-LET`+- `SP3232EBEY-LWY`++## CAD (KiCad official)++- Symbol: `SP3232EBEY-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/sp3232ebey-l-datasheet.pdf) (23 pp, sha256 `ead6ac08cdfd4a83`, 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/sp3232ebey-l-datasheet.pdf)

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