Understand the difference.

Compare the meaning, drawing context and source references of two entries. A similar graphic or shared abbreviation does not establish equivalence.

HPRI/BIN

IEC

IEC priority encoder (HPRI/BIN)

A priority encoder is shown as an X/Y coder with the qualifier HPRI/BIN: highest priority in, binary out. Inputs are numbered by priority, and outputs carry binary weights. Additional outputs often signal that any input is active, which lets stages be cascaded.

Drawing use

Schematic

Application

Logic & signals

Reference family

IEC / Manufacturer

Form evidence

X/Y coder with HPRI/BIN qualifier. Qualifying-symbol and dependency conventions as explained in TI's public overview of IEEE Std 91-1984, which incorporates IEC 617-12 work. Independent educational drawing; not certified IEC geometry or an IEC database identifier. The counterpart is the matching functional concept; no equivalence of every detailed standard graphic is asserted.

A distinction that matters

A plain binary encoder assumes only one input active; HPRI resolves multiple active inputs.

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ENC-PRI

Symbols

Priority encoder

Encodes the highest-priority qualifying input into the specified binary output word.

Drawing use

Schematic

Application

Logic & signals

Reference family

Manufacturer

A distinction that matters

A priority encoder resolves simultaneous inputs using its specified order; a basic encoder does not necessarily resolve them.

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Original educational previews. Follow the source references on each full entry for the appropriate standard or selected product.