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MC74HC273A_15 Datasheet, PDF (3/8 Pages) ON Semiconductor – Octal D Flip-Flop with Common Clock and Reset
MC74HC273A
DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)
Symbol
Parameter
Iin
Maximum Input Leakage Current
ICC Maximum Quiescent Supply
Current (per Package)
Test Conditions
Vin = VCC or GND
Vin = VCC or GND
Iout = 0 mA
Guaranteed Limit
VCC –55 to
V
25°C
v 85°C v 125°C Unit
6.0
±0.1
±1.0
±1.0
mA
6.0
4.0
40
160
mA
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6.0 ns)
Symbol
Parameter
fmax Maximum Clock Frequency (50% Duty Cycle)
(Figures 1 and 4)
tPLH Maximum Propagation Delay, Clock to Q
tPHL
(Figures 1 and 4)
tPHL Maximum Propagation Delay, Reset to Q
(Figures 2 and 4)
tTLH Maximum Output Transition Time, Any Output
tTHL
(Figures 1 and 4)
Cin Maximum Input Capacitance
Guaranteed Limit
VCC –55 to
V
25°C
v 85°C v 125°C Unit
2.0
6.0
5.0
4.0
MHz
3.0
15
10
8.0
4.5
30
24
20
6.0
35
28
24
2.0
145
180
220
ns
3.0
90
120
140
4.5
29
36
44
6.0
25
31
38
2.0
145
180
220
ns
3.0
90
120
140
4.5
29
36
44
6.0
25
31
38
2.0
75
3.0
27
4.5
15
6.0
13
95
110
ns
32
36
19
22
16
19
10
10
10
pF
Typical @ 25°C, VCC = 5.0 V
CPD Power Dissipation Capacitance (Per Enabled Output)*
48
pF
* Used to determine the no−load dynamic power consumption: PD = CPD VCC2f + ICC VCC.
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ TIMING REQUIREMENTS (CL = 50 pF, Input tr = tf = 6.0 ns)
Guaranteed Limit
Symbol
Parameter
–55 to 25°C
VCC
v 85°C
v 125°C
Figure Volts Min Max Min Max Min Max Unit
tsu Minimum Setup Time, Data to Clock
3
2.0 60
75
90
ns
3.0 23
27
32
4.5 12
15
18
6.0 10
13
15
th
Minimum Hold Time, Clock to Data
3
2.0 3.0
3.0
3.0
ns
3.0 3.0
3.0
3.0
4.5 3.0
3.0
3.0
6.0 3.0
3.0
3.0
trec Minimum Recovery Time, Reset Inactive to
2
2.0 5.0
5.0
5.0
ns
Clock
3.0 5.0
5.0
5.0
4.5 5.0
5.0
5.0
6.0 5.0
5.0
5.0
tw
Minimum Pulse Width, Clock
1
2.0 60
75
90
ns
3.0 23
27
32
4.5 12
15
18
6.0 10
13
15
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