AC Waveforms(1)
Note: 1. Timing measurement reference is 1.5V. Input AC driving levels are 0.0V 3.0V, unless otherwise specified.
AC Characteristics(1)
-10
Symbol Parameter
Min Max
tPD
Input or Feedback to
Non-Registered Output
8 outputs switching
3
10
1 output switching
tCF
Clock to Feedback
tCO
Clock to Output
tS
Input or Feedback
Setup Time
6
2
7
7.5
tH
Hold Time
tP
Clock Period
tW
Clock Width
External Feedback 1/(tS+tCO)
fMAX
Internal Feedback 1/(tS + tCF)
No Feedback 1/(tP)
tEA
Input to Output Enable —
Product Term
0
12
6
68
74
83
3
10
tER
Input to Output Disable —
Product Term
2
10
tPZX
tPXZ
Note:
OE pin to Output Enable
2
10
OE pin to Output Disable
1.5
10
1. See ordering information for valid part numbers and speed grades.
2. Shaded parts are obsolete with a last time buy date of 19 August 1999.
-15
Min Max
3
15
8
2
10
12
0
16
8
45
50
62
3
15
2
15
2
15
1.5
15
-25
Min Max
3
25
10
2
12
15
0
24
12
37
40
41
3
20
Units
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
ns
2
20
ns
2
20
ns
1.5
20
ns
4
ATF16V8B(QL)