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74AC169 Datasheet, PDF (4/8 Pages) Fairchild Semiconductor – 4-Stage Synchronous Bidirectional Counter
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AC Electrical Characteristics
VCC (V)
TA = +25°C, CL = 50 pF
Symbol Parameter
(Note 5)
Min
Typ
Max
fMAX
Maximum Clock
Frequency
3.3
75
118
5.0
100
154
tPLH
Propagation Delay
3.3
CP to Qn (PE HIGH or LOW)
5.0
tPHL
Propagation Delay
3.3
CP to Qn (PE HIGH or LOW)
5.0
tPLH
Propagation Delay
3.3
CP to TC
5.0
2.5
9.5
13.0
1.5
7.0
10.0
2.5
10.5
14.5
1.5
7.5
11.0
4.5
13.5
18.0
3.0
9.5
13.0
tPHL
Propagation Delay
CP to TC
3.3
3.5
13.5
18.0
5.0
2.5
9.5
13.0
tPLH
Propagation Delay
CET to TC
3.3
3.5
11.0
15.0
5.0
3.0
8.0
10.5
tPHL
Propagation Delay
CET to TC
3.3
3.0
9.5
12.5
5.0
2.0
7.0
9.0
tPLH
Propagation Delay
U/D to TC
3.3
3.5
11.0
15.0
5.0
2.5
8.0
10.5
tPHL
Propagation Delay
U/D to TC
3.3
2.5
10.0
13.5
5.0
1.5
7.0
9.5
Note 5: Voltage Range 3.3 is 3.3V ± 0.3V Voltage Range 5.0 is 5.0V ± 0.5V
TA = −40°C to +85°C, CL = 50 pF
Min
Max
65
90
2.0
14.5
1.5
11.0
2.0
16.0
1.5
12.0
3.5
22.0
2.0
14.0
3.0
20.5
2.0
14.5
3.0
16.5
2.5
12.0
2.5
14.5
1.5
10.0
3.0
17.0
2.0
12.0
2.0
15.5
1.5
10.5
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
AC Operating Requirements
Symbol
Parameter
tS
Setup Time, HIGH or LOW
Pn to CP
tH
Hold Time, HIGH or LOW
Pn to CP
tS
Setup Time, HIGH or LOW
CEP to CP
tH
Hold Time, HIGH or LOW
CEP to CP
tS
Setup Time, HIGH or LOW
CET to CP
tH
Hold Time, HIGH or LOW
CET to CP
tS
Setup Time, HIGH or LOW
PE to CP
tH
Hold Time, HIGH or LOW
PE to CP
tS
Setup Time, HIGH or LOW
U/D to CP
tH
Hold Time, HIGH or LOW
U/D to CP
tW
CP Pulse Width,
HIGH or LOW
Note 6: Voltage Range 3.3 is 3.3V ± 0.3V
VCC (V)
TA = +25°C, CL = 50 pF TA = −40°C to +85°C, CL = 50 pF
(Note 6)
Typ
Guaranteed Minimum
3.3
3.0
4.5
5.0
5.0
1.5
2.5
2.5
3.3
−1.5
0.5
0.5
5.0
−0.5
1.5
1.5
3.3
7.5
10.5
12.5
5.0
4.5
7.0
8.0
3.3
−4.5
0
0
5.0
−2.0
0.5
1.0
3.3
7.0
10.0
12.0
5.0
4.0
6.5
8.0
3.3
−6.0
0
0
5.0
−4.0
0.5
1.0
3.3
3.5
5.5
6.5
5.0
2.0
3.5
4.0
3.3
−3.5
0
0
5.0
−1.5
0.5
0.5
3.3
7.0
10.0
11.5
5.0
4.5
6.5
7.5
3.3
−7.0
0
0
5.0
−4.0
0.5
0.5
3.3
2.0
3.0
4.0
5.0
2.0
3.0
3.0
Voltage Range 5.0 is 5.0V ± 0.5V
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Capacitance
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance
Typ
Units
Conditions
4.5
pF
VCC = OPEN
60.0
pF
VCC = 5.0V
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