IN74AC273
AC ELECTRICAL CHARACTERISTICS
(C
L
=50pF, Input t
r
=t
f
=3.0 ns)
V
CC*
Symbol
Parameter
V
Guaranteed Limits
25
°C
Min
f
max
t
PLH
t
PLH
t
PHL
C
IN
Maximum Clock Frequency (Figure 1)
Propagation Delay, Clock to Q (Figure 1)
Propagation Delay, Clock to Q (Figure 1)
Propagation Delay, Reset to Q (Figure 2)
Maximum Input Capacitance
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
5.0
90
140
4.0
3.0
4.0
3.0
4.0
3.0
4.5
12.5
9.0
13.0
10.0
13.0
10.0
Max
-40°C to
85°C
Min
75
125
3.0
2.5
3.5
2.5
3.5
2.5
4.5
14.0
10.0
14.5
11.0
14.0
10.5
Max
MHz
ns
ns
ns
pF
Unit
Typical @25°C,V
CC
=5.0 V
C
PD
*
Power Dissipation Capacitance
50
pF
Voltage Range 3.3 V is 3.3 V
±0.3
V
Voltage Range 5.0 V is 5.0 V
±0.5
V
TIMING REQUIREMENTS
(C
L
=50pF, Input t
r
=t
f
=3.0 ns)
V
CC*
Symbol
t
su
t
h
t
w
t
w
t
rec
*
Guaranteed Limits
25
°C
5.5
4.0
0
1.0
5.5
4.0
5.5
4.0
3.5
2.0
-40°C to
85°C
6.0
4.5
0
1.0
6.0
4.5
6.0
4.5
4.5
3.0
Unit
ns
ns
ns
ns
ns
Parameter
Minimum Setup Time, Data to Clock
(Figure 3)
Minimum Hold Time, Data to Clock
(Figure 3)
Minimum Pulse Width, Clock (Figure 1)
Minimum Pulse Width, Reset (Figure 2)
Minimum Recovery Time, Reset to Clock
(Figure 2)
V
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
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
Rev. 00
IKSEMICON [ IK SEMICON CO., LTD ]
