54AC109 View Datasheet(PDF) - National ->Texas Instruments
| Part Name | Description | Manufacturer |
| 54AC109 | Dual JK Positive Edge-Triggered Flip-Flop |  National ->Texas Instruments  |
54AC109 Datasheet PDF : 9 Pages
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AC Electrical Characteristics
Symbol
Parameter
fmax
Maximum Clock
Frequency
tPLH
Propagation Delay
CPn to Qn or Qn
tPHL
Propagation Delay
CPn to Qn or Qn
tPLH
Propagation Delay
CDn or SDn to Qn or Qn
tPHL
Propagation Delay
CDn or SDn to Qn or Qn
Note 8: Voltage Range 3.3 is 3.3V ±0.3V
Voltage Range 5.0 is 5.0V ±0.5V
AC Operating Requirements
Symbol
Parameter
VCC
(V)
(Note 8)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
VCC
(V)
(Note 9)
ts
Setup Time, HIGH or LOW
3.3
Jn or Kn to CPn
5.0
th
Hold Time, HIGH or LOW
3.3
Jn or Kn to CPn
5.0
tw
Pulse Width
3.3
CDn or SDn or CPn
5.0
trec
Recovery Time
3.3
CDn or SDn to CPn
5.0
Note 9: Voltage Range 3.3 is 3.3V ±0.3V
Voltage Range 5.0 is 5.0V ±0.5V
54AC
TA = −55˚C
to +125˚C
CL = 50 pF
Min
Max
65
95
1.0
17.5
1.0
12.0
1.0
13.5
1.0
10.0
1.0
13.0
1.0
9.5
1.0
14.0
1.0
10.5
Units
MHz
ns
ns
ns
ns
54AC
TA = −55˚C
to +125˚C
CL = 50 pF
Guaranteed
Minimum
8.0
5.5
0
0.5
8.0
5.5
0.5
0.5
Units
ns
ns
ns
ns
Fig.
No.
Fig.
No.
5
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