MAX202IDR

@@ -0,0 +1,60 @@+# MAX202IDR++**Texas Instruments** · RS232 ICs · SOIC-16++MAX202IDR 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 one terminal of a 0.1µF ceramic capacitor between C1+ and C1-. |+| 2 | V+ | power_out | Positive charge-pump output, nominally +10V. Connect a 0.1µF storage capacitor from V+ to GND. Absolute maximum 14V referenced to GND. |+| 3 | C1- | passive | Negative lead of the C1 charge-pump flying capacitor. Pair with C1+ (pin 1) via a 0.1µF ceramic capacitor. |+| 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. Pair with C2+ (pin 4) via a 0.1µF ceramic capacitor. |+| 6 | V- | power_out | Negative charge-pump output, nominally -10V. Connect a 0.1µF storage capacitor from V- to GND. Absolute maximum -14V referenced to GND. |+| 7 | DOUT2 | output | RS-232 line data output for driver channel 2, drives a remote RS-232 receiver. Swings between V+ and V- levels (typ ±9V into 3kΩ). ±15kV HBM ESD protected. |+| 8 | RIN2 | input | RS-232 line data input for receiver channel 2, from a remote RS-232 driver. 5kΩ typical input resistance; withstands ±30V input. ±15kV HBM ESD protected. Thresholds ~1.2V (falling) / 1.7V (rising). |+| 9 | ROUT2 | output | CMOS logic data output for receiver channel 2, connects to the local UART RX. VOH ≥ VCC-0.4V at -1mA; VOL ≤ 0.4V at 1.6mA. |+| 10 | DIN2 | input | CMOS logic data input for driver channel 2, driven from the local UART TX. VIH ≥ 2V, VIL ≤ 0.8V; input range 0-5.5V. |+| 11 | DIN1 | input | CMOS logic data input for driver channel 1, driven from the local UART TX. VIH ≥ 2V, VIL ≤ 0.8V; input range 0-5.5V. |+| 12 | ROUT1 | output | CMOS logic data output for receiver channel 1, connects to the local UART RX. VOH ≥ VCC-0.4V at -1mA; VOL ≤ 0.4V at 1.6mA. |+| 13 | RIN1 | input | RS-232 line data input for receiver channel 1, from a remote RS-232 driver. 5kΩ typical input resistance; withstands ±30V input. ±15kV HBM ESD protected. |+| 14 | DOUT1 | output | RS-232 line data output for driver channel 1, drives a remote RS-232 receiver. Swings between V+ and V- levels (typ ±9V into 3kΩ). ±15kV HBM ESD protected. |+| 15 | GND | power_in | Device ground reference. All voltages are referenced to this pin. |+| 16 | VCC | power_in | Supply voltage. Connect to external 5V supply (4.5V-5.5V recommended). Bypass locally with a 0.1µF ceramic capacitor. ICC typ 8mA (no load). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16 |+| Category | Comm/UART |+| Pins | 16 |++## Ordering variants++- `MAX202IDRID`+- `MAX202IDRIDR`+- `MAX202IDRIDW`+- `MAX202IDRIDWR`+- `MAX202IDRIPW`+- `MAX202IDRIPWR`++## CAD (KiCad official)++- Symbol: `MAX202IDR`+- 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/max202.pdf) (27 pp, sha256 `77db8a8164634404`, 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/max202idr-datasheet.pdf)

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