- Type: flip-flop
- DIP: 14-pin
- Number of elements: 2
- Trigger: positive edge
- Asynchronous set and clear
Provides two positive-edge triggered D-type flip-flops with asynchronous set and clear function.
| Label | Description | Signal |
|---|---|---|
| Dn | data input of flip-flop n | active high |
| SETn | asynchronous set input | active low |
| CLRn | asynchronous clear input | active low |
| CLKn | clock for flip-flop n | positive edge |
| Qn | output of flip-flop n | active high |
| Rn | inverted output of flip-flop | active low |
| SETn | CLRn | CLKn | Dn | Qn | Rn |
|---|---|---|---|---|---|
| L | H | X | X | H | L |
| H | L | X | X | L | H |
| L | L | X | X | U | U |
| H | H | / | H | H | L |
| H | H | / | L | L | H |
| H | H | L | X | qn0 | rn0 |
- H: HIGH voltage level
- L: LOW voltage level
- X: don't care
- /: positive edge
- U: unstable/undefined
- qn0: previous state of output Qn
- rn0: previous state of output Rn
