HD588E

@@ -0,0 +1,44 @@+# HD588E++**Broadic** · RS-485 / RS-422 ICs · SOP-8++HD588E from Broadic, 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 | RO | output | Receiver output. Logic-level output of the RS-485 receiver; high when A-B ≥ -50mV, low when A-B ≤ -200mV. High-impedance when /RE is high. |+| 2 | /RE | input | Receiver enable, active low. Drive low to enable the receiver output RO; drive high to place RO in high-impedance. With /RE=1 and DE=0 the part enters low-current shutdown (I_SHDN ≈ 1.8 µA typ). |+| 3 | DE | input | Driver enable, active high. Drive high to enable the differential driver onto A/B; drive low to place the driver outputs in high-impedance. |+| 4 | DI | input | Driver input. TTL/CMOS logic input; V_IH ≥ 2.0V, V_IL ≤ 0.8V. When the driver is enabled, a logic high on DI forces A high and B low; a logic low forces the inverse. |+| 5 | GND | power_in | Ground reference for the device. All voltages are referenced to this pin. |+| 6 | A | bidirectional | Non-inverting RS-485/RS-422 bus I/O. Driver non-inverting output and receiver non-inverting input. Withstands -8V to +13V bus voltage and ±16kV HBM ESD. |+| 7 | B | bidirectional | Inverting RS-485/RS-422 bus I/O. Driver inverting output and receiver inverting input. Withstands -8V to +13V bus voltage and ±16kV HBM ESD. |+| 8 | VCC | power_in | Supply voltage input. 3.3V or 5V operation (absolute maximum +6V). Bypass with a 0.1 µF ceramic capacitor to GND close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Broadic |+| Package | SOP-8 |+| Category | Interface |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `HD588E`+- 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:** [Broadic datasheet](docs/hd588e-datasheet.pdf) (12 pp, sha256 `34d878c4619b2393`, 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/hd588e-datasheet.pdf)

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