AC Electrical Characteristics
Symbol
Parameter
tPLH
Propagation Delay
tPHL
Data to Output (74F240)
tPZH
Output Enable Time (74F240)
tPZL
tPHZ
Output Disable Time (74F240)
tPLZ
tPLH
Propagation Delay
tPHL
Data to Output (74F241, 74F244)
tPZH
Output Enable Time
tPZL
(74F241, 74F244)
tPHZ
Output Disable Time
tPLZ
(74F241, 74F244)
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min
Typ
Max
3.0
5.1
7.0
2.0
3.5
4.7
2.0
3.5
4.7
4.0
6.9
9.0
2.0
4.0
5.3
2.0
6.0
8.0
2.5
4.0
5.2
2.5
4.0
5.2
2.0
4.3
5.7
2.0
5.4
7.0
2.0
4.5
6.0
2.0
4.5
6.0
TA = −55°C to +125°C
VCC = 5.0V
CL = 50 pF
Min
Max
3.0
9.0
2.0
6.0
2.0
6.5
4.0
10.5
2.0
6.5
2.0
12.5
2.0
6.5
2.0
7.0
2.0
7.0
2.0
8.5
2.0
7.0
2.0
7.5
TA = 0°C to +70°C
VCC = 5.0V
CL = 50 pF
Min
Max
3.0
8.0
2.0
5.7
2.0
5.7
4.0
10.0
2.0
6.3
2.0
9.5
2.5
6.2
2.5
6.5
2.0
6.7
2.0
8.0
2.0
7.0
2.0
7.0
Units
ns
ns
ns
ns
www.fairchildsemi.com
4