Dass481 -

The DS481 requires a single +5 V supply with a tolerance of ±5% (4.75 V to 5.25 V). A 0.1 µF decoupling capacitor placed close to the V CC pin is recommended to minimise high‑frequency noise.

Alphanumeric tags like DASS481 follow a standardized architecture designed for automated database parsing. The code is split into two primary components:

Document the journey from initial research and brainstorming to the final prototype or presentation. Student Spotlights: dass481

The code "DASS" identifies the video as part of the catalog produced by Das studio (sometimes stylized as Das! ).

| Pin Number | Pin Name | Description | | :--- | :--- | :--- | | 1 | RO | Receiver output. Logic high when A‑B > 200 mV; logic low when A‑B < –200 mV. | | 2 | RE | Receiver enable. Active low; high disables the receiver. | | 3 | DE | Driver enable. Active high; low disables the driver. | | 4 | DI | Driver input. Logic level sets the differential bus state. | | 5 | GND | Ground connection. | | 6 | DO/RI | Driver output / receiver input (bus pin A). | | 7 | DO(1)/RI(1) | Driver output / receiver input (bus pin B). | | 8 | V CC | Positive supply voltage (+4.75 V to +5.25 V). | The DS481 requires a single +5 V supply

is a unique identifier that may refer to a specific configuration, internal reference code, or project designation within technical, logistical, or research environments. While the exact context of DASS481 can vary, such alphanumeric codes are commonly used to streamline identification, ensure traceability, and avoid ambiguity in complex systems.

While not a standard automotive transceiver, the DS481 can be used in ECU test benches, vehicle diagnostic tools, and other non-critical automotive communication links that require RS-485. The code is split into two primary components:

Its automatic sleep mode is a hallmark of the DS481. When both the driver and receiver are disabled—i.e., and RE = HIGH —the device enters a low‑current state after a guaranteed 600 ns. In sleep mode, the maximum supply current drops to just 10 µA, and the typical value is 0.2 µA, which is 50 times lower than the active mode. No external components are required; the mode is self‑triggered. The device wakes up as soon as either enable pin is asserted, making it ideal for battery‑powered or thermally constrained systems.

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