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⎒

passive-pull-up-output symbol

Passive-Pull-Up-Output Symbol

⎒ marks a passive-pull-up output in a logic diagram. It can join a shared signal line without an added external circuit.

Text symbol
Search it as
PPU · circuit symbol · logic diagram
Shows up in
Anything that takes text · its shape is whatever your font draws

What ⎒ means

It marks a logic output with passive pull-up. A pull-up keeps an idle shared line high.

Technical Character Set No. 1, a coded group of electrotechnical symbols, was registered on 16 March 1994. The International Electrotechnical Commission’s standard IEC 61286 set codes for electrotechnical documents and data exchange. That date marks the character set, not the symbol’s first use.

Technical; it belongs in logic diagrams and electrotechnical documents.

If it shows as a box, the font or app cannot display this glyph; the character is unchanged.

Don't confuse it with

4
⎑
Passive-Pull-Down-Output Symbol
shares “output”, “passive”, “pull”, “symbol”
⍑
APL Functional Symbol Up Tack Overbar
shares “symbol”, “up”
⍓
APL Functional Symbol Quad Up Caret
shares “symbol”, “up”
⍕
APL Functional Symbol Up Tack Jot
shares “symbol”, “up”

Questions people ask

1

Why does ⎒ show as a box on some devices?

Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.

How to type ⎒

Windows (Word)
Alt+XType 2392, then Alt+X to get ⎒.
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “passive-pull-up-output symbol”.
Linux
Ctrl+Shift+UType 2392, then Enter or Space.
HTML
⎒
CSS
\2392
Windows · Word
As of 2026, type 2392 in Word, then press Alt+X.
Linux · GTK
As of 2026, press Ctrl+Shift+U, type 2392, then Enter.
Codes and encoding1 code points
HTML decimal
⎒
HTML hex
⎒
CSS content
content: "\2392";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%8E%92
1
On screen
1
Code points
1
JS .length
3
UTF-8 bytes

A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

Families this belongs to

1

Maths & numbers1,835 symbols

1️⃣📏📐✖️➕➖➗🟰♾️#️⃣*️⃣0️⃣