The HCPL-1458 follows a standard 8-pin optocoupler layout, although it is a single-channel device, often utilizing specialized pins for low-voltage efficiency. Pin Configuration (SOP-8/DIP) VCcap V sub cap C (Case/No Connection) IFcap I sub cap F (Anode): Input LED Anode IFcap I sub cap F (Cathode): Input LED Cathode GND (Ground): Detector Ground VOcap V sub cap O (Output): Output Logic Signal NC (No Connection) VCCcap V sub cap C cap C end-sub : Detector Power Supply
The 1458 optocoupler is standardly housed in a . It is also available in surface-mount configurations (SMD) for automated PCB assembly. Pinout Diagram (Top View)
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The device supports speeds up to 1 Mbit/s, with a maximum propagation delay ( tPHLt sub cap P cap H cap L end-sub tPLHt sub cap P cap L cap H end-sub ) of 8 ns.
range of , allowing compatibility with both legacy 5V and modern 3.3V logic systems. The HCPL-1458 follows a standard 8-pin optocoupler layout,
Open-collector output, which can handle voltages up to 20V . Pin Configuration (8-Pin DIP/SO-8)
V(BR)CEOcap V sub open paren cap B cap R close paren cap C cap E cap O end-sub Breakdown Voltage ( Pinout Diagram (Top View) This public link is
Emitter terminal of the Channel 2 phototransistor.
: High-speed logic ground isolation (TTL/CMOS compatible).