AC Electrical Characteristics for ACT
Symbol
Parameter
fMAX
Maximum Clock
Frequency
tPLH
Propagation Delay,
CP to Qn
tPHL
Propagation Delay,
CP to Qn
Note:
8. Voltage Range 5.0 is 5.0V ± 0.5V
VCC (V)(8)
5.0
TA = +25°C,
CL = 50pF
Min. Typ. Max.
140 175
5.0
3.0 6.5 9.0
5.0
3.5 7.0 10.0
TA = –40°C to +85°C,
CL = 50pF
Min.
Max.
125
2.5
10.0
2.5
11.0
Units
MHz
ns
ns
AC Operating Requirements for ACT
Symbol
Parameter
tS
Setup Time, HIGH or LOW,
Dn to CP
tH
Hold Time, HIGH or LOW,
Dn to CP
tS
Setup Time, HIGH or LOW,
CE to CP
tH
Hold Time, HIGH or LOW,
CE to CP
tW
CP Pulse Width,
HIGH or LOW
Note:
9. Voltage Range 5.0 is 5.0V ± 0.5V
VCC (V)(9)
5.0
5.0
5.0
5.0
5.0
TA = +25°C,
CL = 50pF
TA = –40°C to +85°C,
CL = 50pF
Typ.
Guaranteed Minimum
2.5
4.5
5.5
–1.0
1.0
1.0
2.5
4.5
5.5
–1.0
1.0
1.0
2.0
4.0
4.5
Units
ns
ns
ns
ns
ns
Capacitance
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance
Conditions
VCC = OPEN
VCC = 5.0V
Typ.
4.5
90.0
Units
pF
pF
©1988 Fairchild Semiconductor Corporation
74AC377, 74ACT377 Rev. 1.6.1
8
www.fairchildsemi.com