Philips Semiconductors
Synchronizing dual D-type flip-flop with edge-triggered
set and reset and metastable immune characteristics
COMPARISON OF METASTABLE IMMUNE AND NON–IMMUNE CHARACTERISTICS
4
3
Product specification
74F50729
2
1
0
Time base = 2.00ns/div Trigger level = 1.5 Volts Trigger slope = positive
Figure 2. 74F74 Q output triggered by Q output, setup and hold times violated
SF00587
3
2
1
0
Time base = 2.00ns/div Trigger level = 1.5 Volts Trigger slope = positive
Figure 3. 74F74 Q output triggered by Q output, setup and hold times violated
SF00588
1990 Sep 14
4