74AC399 View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
74AC399 Datasheet PDF : 9 Pages
| |||
AC Operating Requirements for AC
Symbol
Parameter
tS
Setup Time, HIGH or LOW
In to CP
tH
Hold Time, HIGH or LOW
In to CP
tS
Setup Time, HIGH or LOW
S to CP
tH
Hold Time, HIGH or LOW
S to CP
tW
CP Pulse Width,
HIGH or LOW
Note 8: Voltage Range 5.0 is 5.0V ± 0.5V
VCC
(V)
(Note 8)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
TA = +25°C
TA = −40°C to +85°C
CL = 50 pF
CL = 50 pF
Typ
Guaranteed Minimum
2.0
4.0
4.0
1.5
3.0
3.0
0.5
1.0
1.0
0.5
1.0
1.0
3.5
5.5
5.5
2.0
4.0
4.0
0.5
1.0
1.0
0.5
1.0
1.0
3.0
4.5
4.5
2.0
3.5
3.5
Units
ns
ns
ns
ns
ns
AC Electrical Characteristics for ACT
Symbol
Parameter
fMAX
tPLH
Input Clock Frequency
Propagation Delay
CP to Q
tPHL
Propagation Delay
CP to Q
Note 9: Voltage Range 5.0 is 5.0V ± 0.5V
VCC
(V)
(Note 9)
5.0
5.0
5.0
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min
Typ
Max
165
180
1.5
7.0
8.0
2.0
6.0
9.0
TA = −40°C to +85°C
VCC = 5.0V
CL = 50pF
Min
Max
160
1.5
8.5
2.0
9.5
Units
MHz
ns
ns
AC Operating Requirements for ACT
Symbol
Parameter
tS
Setup Time, HIGH or LOW
In to CP
tH
Hold Time, HIGH or LOW
In to CP
tS
Setup Time, HIGH or LOW
S to CP
tH
Hold Time, HIGH or LOW
S to CP
tW
CP Pulse Width,
HIGH or LOW
Note 10: Voltage Range 5.0 is 5.0V ± 0.5V
VCC
(V)
(Note 10)
5.0
5.0
5.0
5.0
5.0
TA = +25°C
TA = −40°C to +85°C
CL = 50 pF
CL = 50 pF
Typ
Guaranteed Minimum
0.8
2.5
2.5
0
1.0
1.0
0.8
4.0
4.0
−1.0
0.5
0.5
1.7
3.5
3.5
Units
ns
ns
ns
ns
ns
Capacitance
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance
Typ
Units
Conditions
4.5
pF
VCC = OPEN
30
pF
VCC = 5.0V
5
www.fairchildsemi.com
Share Link: 