LM319DT

@@ -0,0 +1,57 @@+# LM319DT++**STMicroelectronics** · Comparators · SOIC-14++LM319DT from STMicroelectronics, in a SOIC-14. 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 | NC | unconnected | No connection. Leave floating or tie to ground; not internally bonded. |+| 2 | NC | unconnected | No connection. Leave floating or tie to ground; not internally bonded. |+| 3 | GND1 | power_in | Ground reference for comparator 1's open-collector output stage. Isolated from ground 2 to allow output isolation from the system ground. |+| 4 | IN1+ | input | Non-inverting input of comparator 1. Input common-mode range typically ±13 V (VCC = ±15 V); max input current 1 µA over operating temperature. |+| 5 | IN1- | input | Inverting input of comparator 1. Differential input voltage rating ±5 V; input bias current typ 250 nA (LM319). |+| 6 | VCC- | power_in | Negative supply rail, shared by both comparators. Rated to -25 V absolute max; use 0 V for single-supply operation from +5 V. |+| 7 | OUT2 | output | Open-collector output of comparator 2. Rated to VO-VCC- = 36 V; can sink up to 25 mA; requires an external pull-up resistor. |+| 8 | GND2 | power_in | Ground reference for comparator 2's open-collector output stage. Isolated from ground 1 to allow output isolation from the system ground. |+| 9 | IN2+ | input | Non-inverting input of comparator 2. Input common-mode range typically ±13 V (VCC = ±15 V). |+| 10 | IN2- | input | Inverting input of comparator 2. Differential input voltage rating ±5 V; input bias current typ 250 nA (LM319). |+| 11 | VCC+ | power_in | Positive supply rail, shared by both comparators. Rated to +18 V absolute max; typ positive supply current 8 mA at ±15 V. |+| 12 | OUT1 | output | Open-collector output of comparator 1. Rated to VO-VCC- = 36 V; can sink up to 25 mA; requires an external pull-up resistor. |+| 13 | NC | unconnected | No connection. Leave floating or tie to ground; not internally bonded. |+| 14 | NC | unconnected | No connection. Leave floating or tie to ground; not internally bonded. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | SOIC-14 |+| Category | Op-amp/Cmp |+| Pins | 14 |++## Ordering variants++- `LM319DT`+- `LM319DTLM319D`+- `LM319DTLM319N`+- `LM319DTLM119J`+- `LM319DTLM219N`++## CAD (KiCad official)++- Symbol: `LM319DT`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOIC-14 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/lm319dt.pdf) (13 pp, sha256 `e56b45c82b85bed4`, 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/lm319dt-datasheet.pdf)

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