74F191 데이터 시트보기 (PDF) - Philips Electronics
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74F191 Datasheet PDF : 14 Pages
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Philips Semiconductors
Up/Down binary counter with reset and ripple clock
Product specification
74F191
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
TEST CONDITIONS
fMAX
fMAX
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
Maximum clock frequency
to Qn outputs
Maximum clock frequency
to RC outputs
Propagation delay
CP to Qn
Propagation delay
CP to TC
Propagation delay
CP to RC
Propagation delay
CE to RC
Propagation delay
U/D to RC
Propagation delay
U/D to TC
Propagation delay
Dn to Qn
Propagation delay
Dn to TC
Propagation delay
Dn to RC
Propagation delay
PL to Qn
Propagation delay
PL to TC
Propagation delay
PL to RC
Waveform 1
Waveform 1
Waveform 1
Waveform 1
Waveform 2
Waveform 2
Waveform 2
Waveform 4
Waveform 3
Waveform 3
Waveform 4
Waveform 3
Waveform 4
Waveform 5
Waveform 5
Waveform 5
LIMITS
Tamb= +25°C
VCC = +5.0V
CL = 50pF, RL = 500Ω
Tamb= 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF, RL = 500Ω
Min
Typ
Max
Min
Max
100
125
90
85
95
75
2.5
4.5
8.0
2.0
8.5
5.0
7.5
11.5
5.0
12.0
6.5
9.0
12.5
6.0
13.0
6.0
8.0
11.0
6.0
12.0
2.5
4.5
7.5
2.0
8.0
3.0
5.0
7.5
2.5
8.0
2.0
4.0
7.0
2.0
7.5
3.0
5.0
7.5
3.0
8.0
8.0
11.0
16.0
8.0
17.0
4.5
7.5
10.5
4.0
11.0
4.0
6.5
9.5
3.0
10.5
3.0
6.0
9.5
3.0
10.0
2.0
4.0
7.0
1.5
7.5
6.5
9.0
12.0
6.5
13.0
5.5
9.5
13.0
5.0
14.0
6.5
9.5
13.0
6.0
14.0
6.0
14.0 18.0
6.0
19.5
6.0
11.0
13.5
6.0
15.0
4.5
6.5
9.5
4.0
10.5
5.5
8.0
11.5
5.0
12.0
5.5
8.5
12.0
5.5
13.0
6.0
10.5 13.5
6.0
14.5
8.5
16.0 18.5
8.5
21.0
7.5
10.0 13.0
7.0
13.5
UNIT
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1995 Jul 17
7
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