KK74HCT74A Просмотр технического описания (PDF) - Kodenshi Auk Co., LTD
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KK74HCT74A
Kodenshi Auk Co., LTD
KK74HCT74A Datasheet PDF : 6 Pages
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KK74HCT74A
AC ELECTRICAL CHARACTERISTICS (VCC =5.0 V±10%,CL=50pF,Input tr=tf=6.0 ns)
Symbol
Parameter
fmax
tPLH, tPHL
tPLH, tPHL
tTLH, tTHL
CIN
CPD
Maximum Clock Frequency (50% Duty Cycle)
(Figures 1 and 4)
Maximum Propagation Delay, Clock to Q or Q
(Figures 1 and 4)
Maximum Propagation Delay, Set or Reset to Q or
Q (Figures 2 and 4)
Maximum Output Transition Time, Any Output
(Figures 1 and 4)
Maximum Input Capacitance
Power Dissipation Capacitance (Per Enabled
Output)
Used to determine the no-load dynamic power
consumption:
PD=CPDVCC2f+ICCVCC
Guaranteed Limit
25 °C
to
-55°C
≤85°C
≤125°C
30
24
20
24
30
36
24
30
36
15
19
22
10
10
10
Typical @25°C,VCC=5.0 V
130
Unit
MHz
ns
ns
ns
pF
pF
TIMING REQUIREMENTS (VCC =5.0 V±10%,CL=50pF,Input tr=tf=6.0 ns)
Guaranteed Limit
Symbol
Parameter
25 °C to-55°C ≤85°C
≤125°C Unit
tsu
Minimum Setup Time, Data to Clock
15
(Figure 3)
19
22
ns
th
Minimum Hold Time, Clock to Data
3
(Figure 3)
3
3
ns
trec
Minimum Recovery Time, Set or
6
Reset Inactive to Clock (Figure 2)
8
9
ns
tw
Minimum Pulse Width, Clock
(Figure 1)
15
19
22
ns
tw
Minimum Pulse Width, Set or Reset
15
(Figure 2)
19
22
ns
tr, tf Maximum Input Rise and Fall Times
500
(Figure 1)
500
500
ns
4
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