Pinout: what it means.
A pinout maps terminals to named functions such as inputs, outputs and supplies. Manufacturer datasheets pair those maps with package drawings and electrical specifications. Numbering must be interpreted with the indicated package orientation. (Texas Instruments: configurable logic datasheet)
Pin count, package size and pinout are not the same information. A device with the same number of pins may assign different functions to them. Even one product can require different drawings for different package options. (Texas Instruments: configurable logic datasheet)
Put the definition to work.
Use the manufacturer’s drawing to establish viewing direction and pin 1. A package that physically fits a board is not necessarily electrically compatible with it.
Questions to ask next.
Use these questions as a reading checklist, not as a device-selection recommendation. Exact manufacturer documentation takes priority over a general definition.
- Exact part and package option
- Top/bottom view and orientation marks
- Pin functions and electrical requirements
For the broader explanation, explore the complete integrated circuits guide. This page defines the term; the companion guide connects it to the rest of the system.
Common Pinout questions.
Is a pinout enough to wire a working circuit?
It identifies connections, but it does not replace electrical limits, operating conditions or application guidance. Use the complete device documentation. (Texas Instruments: configurable logic datasheet)