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54AC244-N Datasheet, PDF (6/10 Pages) Texas Instruments – 54AC244/54ACT244 Octal Buffer/Line Driver with TRI-STATE Outputs
AC Electrical Characteristics
Symbol
Parameter
tPLH
Propagation Delay
Data to Output
tPHL
Propagation Delay
Data to Output
tPZH
Output Enable Time
tPZL
Output Enable Time
tPHZ
Output Disable Time
tPLZ
Output Disable Time
Note 9: Voltage Range 3.3 is 3.3V ±0.3V
 Voltage Range 5.0 is 5.0V ±0.5V
AC Electrical Characteristics
Symbol
Parameter
tPLH
Propagation Delay
Data to Output
tPHL
Propagation Delay
Data to Output
tPZH
Output Enable Time
tPZL
Output Enable Time
tPHZ
Output Disable Time
tPLZ
Output Disable Time
Note 10: Voltage Range 5.0 is 5.0V ±0.5V
Capacitance
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation
Capacitance
VCC
(V)
(Note 9)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
VCC
(V)
(Note 10)
5.0
5.0
5.0
5.0
5.0
5.0
Typ
4.5
45.0
54AC
TA = −55°C
to +125°C
Fig.
Units
No.
CL = 50 pF
Min
Max
1.0
12.5
ns
1.0
9.5
1.0
12.0
ns
1.0
9.0
1.0
11.5
ns
1.0
9.0
1.0
13.0
ns
1.0
10.5
1.0
12.5
ns
1.0
10.5
1.0
13.0
ns
1.0
11.0
54ACT
TA = −55°C
to +125°C
Fig.
Units
No.
CL = 50 pF
Min
Max
1.0
10.0
ns
1.0
10.0
ns
1.0
9.5
ns
1.0
11.0
ns
1.0
11.0
ns
1.0
11.5
ns
Units
pF
pF
Conditions
VCC = OPEN
VCC = 5.0V
5
100282 Version 3 Revision 1 Print Date/Time: 2011/07/29 21:07:23
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