SP202EEN-L

@@ -0,0 +1,61 @@+# SP202EEN-L++**MaxLinear** · RS232 ICs · SOIC-16++SP202EEN-L from MaxLinear, 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 of the charge-pump flying capacitor C1 (typ. 0.1uF ceramic). Used in charge-pump Phase 1 to double VCC. |+| 2 | V+ | power_out | Regulated positive charge-pump output (nominally +6V). Bypass to GND with a 0.1uF ceramic reservoir capacitor. Supplies the internal RS-232 driver positive rail. |+| 3 | C1- | passive | Negative terminal of the charge-pump flying capacitor C1 (typ. 0.1uF ceramic). |+| 4 | C2+ | passive | Positive terminal of the charge-pump flying capacitor C2 (typ. 0.1uF ceramic). Used by the inverting charge pump to develop V-. |+| 5 | C2- | passive | Negative terminal of the charge-pump flying capacitor C2 (typ. 0.1uF ceramic). |+| 6 | V- | power_out | Regulated negative charge-pump output (nominally -6V). Bypass to GND with a 0.1uF ceramic reservoir capacitor. Supplies the internal RS-232 driver negative rail. |+| 7 | T2OUT | output | Driver 2 RS-232 line output. Inverted level-shifted version of T2IN; swings between V- and V+ (typ. +/-6V, guaranteed +/-5.0V min into 3kohm/2500pF). Short-circuit protected. |+| 8 | R2IN | input | Receiver 2 RS-232 line input. Accepts +/-15V RS-232 signals; typical thresholds 1.2V/1.7V with 500mV hysteresis. Internal ~5kohm pull-down commits an unconnected input to a HIGH output. |+| 9 | R2OUT | output | Receiver 2 TTL/CMOS logic output. Inverted logic-level version of R2IN. VOL <= 0.4V @ 3.2mA, VOH >= 3.5V @ -1mA. |+| 10 | T2IN | input | Driver 2 TTL/CMOS logic input. Thresholds 0.8V LOW / 2.0V HIGH; internal pull-up (~15uA typ). Drives T2OUT to the inverted RS-232 level. |+| 11 | T1IN | input | Driver 1 TTL/CMOS logic input. Thresholds 0.8V LOW / 2.0V HIGH; internal pull-up (~15uA typ). Drives T1OUT to the inverted RS-232 level. |+| 12 | R1OUT | output | Receiver 1 TTL/CMOS logic output. Inverted logic-level version of R1IN. VOL <= 0.4V @ 3.2mA, VOH >= 3.5V @ -1mA. |+| 13 | R1IN | input | Receiver 1 RS-232 line input. Accepts +/-15V RS-232 signals; typical thresholds 1.2V/1.7V with 500mV hysteresis. Internal ~5kohm pull-down commits an unconnected input to a HIGH output. |+| 14 | T1OUT | output | Driver 1 RS-232 line output. Inverted level-shifted version of T1IN; swings between V- and V+ (typ. +/-6V, guaranteed +/-5.0V min into 3kohm/2500pF). Short-circuit protected. |+| 15 | GND | power_in | Device ground reference. All RS-232 and TTL signals are referenced to this pin. |+| 16 | VCC | power_in | Primary +5V logic and charge-pump supply (4.5-5.5V nominal, 6.0V absolute max). Typical ICC = 3mA no-load, 15mA when all transmitters loaded at 3kohm. Bypass with 0.1uF to GND. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | MaxLinear |+| Package | SOIC-16 |+| Category | Interface |+| Pins | 16 |++## Ordering variants++- `SP202EEN-L`+- `SP202EEN-L/TR`+- `SP202EEN-LSP202ECN-L`+- `SP202EEN-LSP202ECN-L/TR`+- `SP202EEN-LSP202EET-L/TR`+- `SP202EEN-LSP202ECT-L`+- `SP202EEN-LSP202ECT-L/TR`++## CAD (KiCad official)++- Symbol: `SP202EEN-L`+- 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:** [MaxLinear datasheet](docs/sp202een-l-datasheet.pdf) (19 pp, sha256 `942adc867fc83cd3`, 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/sp202een-l-datasheet.pdf)

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