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Definition of "REF" |
REF is a term that appears on IC package drawings in reference to dimensions. It stands for REFERENCE and indicates that this is a reference dimension, calculated or based on another dimension. For example, the dimension from the first pin to the last pin in the row of a DIP (dual inline package) usually is tagged as REF because it is a multiple of the distance from pin-to-pin. In the case of a 16-pin DIP, the first pin to last pin dimension is 7 times the pin-to-pin dimension (7 spaces between 8 pins). / Rapid Equipping Force, Reference, Row Echelon Form, Research Excellence Framework, reference(s) / It is a term that appears on IC package drawings in reference to dimensions. It stands for REFERENCE and indicates that this is a reference dimension, calculated or based on another dimension. For example, the dimension from the first pin to the last pin in the row of a DIP (dual in-line package) usually is tagged as REF because it is a multiple of the distance from pin to pin. In the case of a 16 pin DIP, the first pin to last pin dimension is 7 times the pin to pin dimension (7 spaces between 8 pins). |
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