AC Electrical Characteristics
VCC
54AC
TA −55˚C to +125˚C
=
(V)
Fig.
No.
Symbol
Parameter
Units
=
(Note 8)
CL 50 pF
Min
65
Max
fmax
Maximum Clock
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
MHz
ns
Frequency
90
tPLH
tPHL
tPHL
Propagation Delay
CP to Qn
1.0
1.5
1.0
1.5
1.0
1.5
14.0
10.5
13.0
10.0
13.5
11.0
Propagation Delay
CP to Qn
ns
Propagation Delay
MR to Qn
ns
±
Note 8: Voltage Range 3.3 is 3.3V 0.3V
±
Voltage Range 5.0 is 5.0V 0.5V
AC Operating Requirements
54AC
=
VCC
(V)
TA −55˚C
Fig.
No.
Symbol
Parameter
to +125˚C
Units
=
CL 50 pF
(Note 9)
Guaranteed Minimum
ts
th
Setup Time, HIGH or LOW
Dn to CP
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
7.5
5.5
3.0
3.0
7.0
5.0
7.0
5.0
3.0
2.0
ns
ns
ns
ns
ns
Hold Time, HIGH or LOW
Dn to CP
tw
MR Pulse Width, LOW
tw
CP Pulse Width
trec
Recovery Time
MR to CP
±
Note 9: Voltage Range 3.3 is 3.3V 0.3V
±
Voltage Range 5.0 is 5.0V 0.5V
AC Electrical Characteristics
54ACT
VCC
=
TA −55˚C to +125˚C
Fig.
No.
Symbol
Parameter
(V)
Units
=
CL 50 pF
(Note 10)
Min
Max
fmax
Maximum Clock
5.0
5.0
5.0
5.0
95
MHz
ns
Frequency
tPLH
tPHL
tPHL
Propagation Delay
CP to Qn
1.5
1.5
1.5
12.5
13.0
12.0
Propagation Delay
CP to Qn
ns
Propagation Delay
MR to Qn
ns
±
Note 10: Voltage Range 5.0 is 5.0V 0.5V
5
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