HMT1040T

@@ -0,0 +1,48 @@+# HMT1040T++**GATEMODE** · CAN ICs · SOP-8++HMT1040T from GATEMODE, in a SOP-8. 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 | TXD | input | Transmit data input from the CAN protocol controller. TXD high drives the bus recessive; TXD low drives the bus dominant. |+| 2 | GND | power_in | Ground reference for the device. All non-differential voltages are referenced to this pin. |+| 3 | VCC | power_in | Supply voltage input, recommended 4.5 V to 5.5 V (absolute max 7 V). Powers the transceiver core and CAN bus driver. |+| 4 | RXD | output | Receive data output to the CAN protocol controller. RXD is high when the bus is recessive and low when the bus is dominant. |+| 5 | SPLIT | output | Common-mode stabilization output, nominally VCC/2 (0.3×VCC to 0.7×VCC for -500 µA < IO < 500 µA). Intended to bias the center tap of a split termination network. |+| 6 | CANL | bidirectional | Low-level CAN bus line. Differential CAN bus I/O with bus-fault protection from -50 V to +50 V. |+| 7 | CANH | bidirectional | High-level CAN bus line. Differential CAN bus I/O with bus-fault protection from -50 V to +50 V. |+| 8 | STB | input | Standby mode control input. STB low selects normal (high-speed) mode; STB high selects low-power standby with bus wake-up capability. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | GATEMODE |+| Package | SOP-8 |+| Category | Comm/UART |+| Pins | 8 |++## Ordering variants++- `HMT1040TT`++## CAD (KiCad official)++- Symbol: `HMT1040T`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [GATEMODE datasheet](docs/hmt1040t-datasheet.pdf) (12 pp, sha256 `043fd1e2b7d5f48d`, retrieved 2026-08-17, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **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/hmt1040t-datasheet.pdf)

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