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- I/O Style - OD - OpenDrain
- - PU - Pullup
- - PN - Pulldown
- - KPR - Keeper
- - S - SchmittTrigger
- - DG - DataGate
- Reg Use - LATCH - Transparent latch
- - DFF - D-flip-flop
- - DEFF - D-flip-flop with clock enable
- - TFF - T-flip-flop
- - TDFF - Dual-edge-triggered T-flip-flop
- - DDFF - Dual-edge-triggered flip-flop
- - DDEFF - Dual-edge-triggered flip-flop with clock enable
- /S (after any above flop/latch type) indicates initial state is Set
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