Philips Semiconductors

Product specification

74F50729

Synchronizing dual D-type flip-flop with edge-triggered

set and reset and metastable immune characteristics

1990 Sep 14

4

COMPARISON OF METASTABLE IMMUNE AND NON–IMMUNE CHARACTERISTICS

4

3

2

1

0

Time base = 2.00ns/div Trigger level = 1.5 Volts Trigger slope = positive

SF00587

Figure 2. 74F74 Q output triggered by Q output, setup and hold times violated

3

2

1

0

Time base = 2.00ns/div Trigger level = 1.5 Volts Trigger slope = positive

SF00588

Figure 3. 74F74 Q output triggered by Q output, setup and hold times violated