HT3232ARZ

@@ -0,0 +1,60 @@+# HT3232ARZ++**HTCSEMI** · Buffer/Driver/Transceiver · SOIC-16++HT3232ARZ from HTCSEMI, 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 terminal for the first charge-pump flying capacitor C1 (0.1 µF typical). Works with C1- to generate the doubled V+ rail. |+| 2 | V+ | power_out | Doubled voltage output from the charge pump (approximately 2 × VCC). Requires a 0.1 µF reservoir capacitor to GND. Absolute max (VCC − 0.3) to 7 V. |+| 3 | C1- | passive | Negative terminal for the first charge-pump flying capacitor C1 (0.1 µF typical). |+| 4 | C2+ | passive | Positive terminal for the second charge-pump flying capacitor C2 (0.1 µF typical). Works with C2- to generate the inverted V- rail. |+| 5 | C2- | passive | Negative terminal for the second charge-pump flying capacitor C2 (0.1 µF typical). |+| 6 | V- | power_out | Inverted (negative) charge-pump output, approximately −VCC. Requires a 0.1 µF reservoir capacitor to GND. Absolute range 0.3 to -7 V. |+| 7 | T2OUT | output | Second transmitter RS-232 output. Drives the RS-232 line to ±5.4 V typical at VCC = 5.0 V (±4.0 V at VCC = 3.3 V) into a 3 kΩ load. Short-circuit current limited to ±60 mA. |+| 8 | R2IN | input | Second receiver RS-232 input. Accepts ±25 V RS-232 line signals. Input resistance 3-7 kΩ (5 kΩ typ), thresholds VIL ≥ 0.6 V and VIH ≤ 2.4 V, hysteresis 0.3 V typ. |+| 9 | R2OUT | output | Second receiver TTL/CMOS output. Drives logic-level output from the RS-232 input; VOL ≤ 0.4 V at 1.6 mA (VCC = 3.3 V), VOH ≥ VCC − 0.6 V at −0.5 mA. |+| 10 | T2IN | input | Second transmitter TTL/CMOS input. Logic-level input driving the RS-232 transmitter. VIL ≤ 0.8 V, VIH ≥ 2.0 V (VCC = 3.3 V), 250 mV typical hysteresis, ±1 µA max leakage. |+| 11 | T1IN | input | First transmitter TTL/CMOS input. Logic-level input driving the RS-232 transmitter. VIL ≤ 0.8 V, VIH ≥ 2.0 V (VCC = 3.3 V), 250 mV typical hysteresis. |+| 12 | R1OUT | output | First receiver TTL/CMOS output. Drives logic-level output from the RS-232 input; VOL ≤ 0.4 V at 1.6 mA (VCC = 3.3 V), VOH ≥ VCC − 0.6 V at −0.5 mA. |+| 13 | R1IN | input | First receiver RS-232 input. Accepts ±25 V RS-232 line signals. Input resistance 3-7 kΩ (5 kΩ typ), thresholds VIL ≥ 0.6 V and VIH ≤ 2.4 V. |+| 14 | T1OUT | output | First transmitter RS-232 output. Drives the RS-232 line to ±5.4 V typical at VCC = 5.0 V (±4.0 V at VCC = 3.3 V) into a 3 kΩ load. Short-circuit current limited to ±60 mA. |+| 15 | GND | power_in | Device ground reference. Common return for the supply, charge-pump capacitors and RS-232 signalling. |+| 16 | VCC | power_in | Positive supply input, 3.0 V to 5.5 V (nominal 3.3 V or 5 V). Requires a 0.1 µF bypass capacitor to GND. ISUPPLY ≈ 2.5 mA typ at 3.3 V, 6 mA typ at 5 V (no load). Absolute max −0.3 to 6 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HTCSEMI |+| Package | SOIC-16 |+| Category | Logic |+| Pins | 16 |++## Ordering variants++- `HT3232ARZANZ`+- `HT3232ARZARZ`+- `HT3232ARZARWZ`+- `HT3232ARZARTZ`+- `HT3232ARZARSZ`+- `HT3232ARZARQZ`++## CAD (KiCad official)++- Symbol: `HT3232ARZ`+- 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:** [HTCSEMI datasheet](docs/ht3232arz-datasheet.pdf) (13 pp, sha256 `ebd757e3d17455ba`, 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/ht3232arz-datasheet.pdf)

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