MM74HCT74N_NL View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
MM74HCT74N_NL Datasheet PDF : 8 Pages
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AC Electrical Characteristics
VCC = 5V, TA = 25°C, CL = 15 pF, tr = tf = 6 ns
Symbol
Parameter
fMAX
tPHL, tPLH
tPHL, tPLH
tREM
tS
tH
tW
Maximum Operating
Frequency from Clock
to Q or Q
Maximum Propagation
Delay Clock to Q or Q
Maximum Propagation
Delay from Preset or
Clear to Q or Q
Minimum Removal Time,
Preset or Clear to Clock
Minimum Setup Time
Data to Clock
Minimum Hold Time
Clock to Data
Minimum Pulse Width
Clock, Preset or Clear
Conditions
Guaranteed
Typ
Units
Limit
50
30
MHz
18
30
ns
18
30
ns
20
ns
20
ns
−3
0
ns
8
16
ns
AC Electrical Characteristics
VCC = 5.0V ± 10%, CL = 50 pF, tr = tf = 6 ns unless otherwise specified
Symbol
Parameter
Conditions
TA = 25°C
TA = −40° to +85°C
Typ
Guaranteed Limits
fMAX
Maximum Operating
Frequency
27
21
tPHL, tPLH Maximum Propagation
Delay from Clock to
21
35
44
Q or Q
tPHL, tPLH Maximum Propagation
Delay from Preset or
21
35
44
Clear to Q or Q
tREM
Minimum Removal Time
Preset or Clear to Clock
20
25
tS
Minimum Setup Time
Data to Clock
20
25
tH
Minimum Hold Time
Clock to Data
−3
0
0
tW
Minimum Pulse Width
Clock, Preset or Clear
9
16
20
tr, tf
Maximum Clock Input
Rise and Fall Time
500
500
tTHL, tTLH
Maximum Output
Rise and Fall Time
15
19
CPD
Power Dissipation
(per flip-flop)
10
Capacitance (Note 6)
CIN
Maximum Input
Capacitance
5
10
10
Note 6: CPD determines the no load dynamic power consumption, PD = CPD VCC2 f + ICC VCC, and the no load dynamic current consumption,
IS = CPD VCC f + ICC.
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
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