AC Electrical Characteristics
54ACT
=
VCC
(V)
TA −55˚C
Symbol
Parameter
to +125˚C
Units
=
(Note 10)
CL 50 pF
Min
Max
fmax
tPLH
tPHL
tPLH
tPHL
Maximum Clock
5.0
5.0
5.0
5.0
5.0
85
MHz
ns
Frequency
Propagation Delay
CPn to Qn or Qn
1.0
1.0
1.0
1.0
14.0
12.0
11.5
12.5
Propagation Delay
CPn to Qn or Qn
ns
Propagation Delay
CDn or SDn to Qn or Qn
Propagation Delay
CDn or SDn to Qn or Qn
ns
ns
±
Note 10: Voltage Range 5.0 is 5.0V 0.5V
AC Operating Requirements
54ACT
=
VCC
TA −55˚C
Symbol
Parameter
(V)
to +125˚C
Units
=
(Note 11)
CL 50 pF
Guaranteed
Minimum
2.5
ts
Setup Time, HIGH or LOW
Jn or Kn to CPn
5.0
5.0
5.0
5.0
ns
ns
ns
ns
th
Hold Time, HIGH or LOW
Jn or Kn to CPn
2.0
5.0
0.5
tw
Pulse Width
CPn or CDn or SDn
Recovery Time
trec
CDn or SDn to CPn
±
Note 11: Voltage Range 5.0 is 5.0V 0.5V
Capacitance
Symbol
Parameter
Input Capacitance
Power Dissipation
Capacitance
Typ
4.5
Units
pF
Conditions
=
VCC OPEN
CIN
=
VCC 5.0V
CPD
35.0
pF
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