IN74AC273 查看數據表（PDF） - Integral Corp.
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IN74AC273 Datasheet PDF : 5 Pages
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IN74AC273
AC ELECTRICAL CHARACTERISTICS(CL=50pF, Input tr=tf=3.0 ns)
Symbol
Parameter
VCC*
Guaranteed Limits
V
25 °C
-40°C to
85°C
Min Max Min Max
fmax Maximum Clock Frequency (Figure 1)
3.3 90
75
5.0 140
125
tPLH Propagation Delay, Clock to Q (Figure 1)
3.3 4.0 12.5 3.0 14.0
5.0 3.0 9.0 2.5 10.0
tPHL Propagation Delay, Clock to Q (Figure 1)
3.3 4.0 13.0 3.5 14.5
5.0 3.0 10.0 2.5 11.0
tPHL Propagation Delay, Reset to Q (Figure 2)
3.3 4.0 13.0 3.5 14.0
5.0 3.0 10.0 2.5 10.5
CIN Maximum Input Capacitance
5.0
4.5
4.5
Unit
MHz
ns
ns
ns
pF
CPD Power Dissipation Capacitance
*Voltage Range 3.3 V is 3.3 V ±0.3 V
Voltage Range 5.0 V is 5.0 V ±0.5 V
Typical @25°C,VCC=5.0 V
50
pF
TIMING REQUIREMENTS(CL=50pF, Input tr=tf=3.0 ns)
Symbol
Parameter
VCC*
V
tsu
Minimum Setup Time, Data to Clock
3.3
(Figure 3)
5.0
th
Minimum Hold Time, Data to Clock
3.3
(Figure 3)
5.0
tw
Minimum Pulse Width, Clock (Figure 1)
3.3
5.0
tw
Minimum Pulse Width, Reset (Figure 2)
3.3
5.0
trec
Minimum Recovery Time, Reset to Clock
3.3
(Figure 2)
5.0
*Voltage Range 3.3 V is 3.3 V ±0.3 V
Voltage Range 5.0 V is 5.0 V ±0.5 V
Guaranteed Limits
25 °C
-40°C to
Unit
85°C
5.5
6.0
ns
4.0
4.5
0
0
ns
1.0
1.0
5.5
6.0
ns
4.0
4.5
5.5
6.0
ns
4.0
4.5
3.5
4.5
ns
2.0
3.0
379
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