74F161A 查看數據表（PDF） - Philips Electronics
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74F161A Datasheet PDF : 14 Pages
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Philips Semiconductors
4-bit binary counters
Product specification
74F161A, 74F163A
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
TEST
CONDITION
fmax
Maximum clock frequency
Waveform 1
tPLH
Propagation delay
tPHL
CP to Qn (PE = High)
Waveform 1
tPLH
Propagation delay
tPHL
CP to Qn (PE = Low)
Waveform 1
tPLH
Propagation delay
tPHL
CP to TC
Waveform 1
tPLH
Propagation delay
tPHL
CET to TC
Waveform 2
tPHL
Propagation delay
MR to Qn
’F161A
Waveform 3
tPHL
Propagation delay
MR to TC
’F161A
Waveform 3
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
Tamb = –40°C to +85°C
VCC = +5.0V ± 10%
CL = 50pF
RL = 500Ω
MIN TYP MAX MIN
MAX
MIN
MAX
100 130
90
75
2.0 4.0 6.5
2.0
7.0
2.0
7.0
4.0 6.5 10.0
4.0
11.0
4.0
11.0
2.0 4.5 6.5
2.0
7.5
2.0
7.5
3.5 5.5 8.5
3.5
9.5
3.5
9.5
5.0 7.5 10.5
5.0
11.5
5.0
11.5
4.5 7.5 10.5
4.0
11.5
4.0
11.5
1.5 3.5 6.5
1.5
7.0
1.5
7.0
2.5 5.0 7.5
2.5
8.0
2.5
8.0
6.0 8.5 12.0
5.5
13.0
5.5
13.0
5.0 8.5 10.0
5.0
11.0
5.0
11.0
UNIT
MHz
ns
ns
ns
ns
ns
ns
AC SETUP REQUIREMENTS
SYMBOL
PARAMETER
TEST
CONDITION
ts(H)
ts(L)
th(H)
th(L)
ts(H)
ts(L)
th(H)
th(L)
ts(H)
ts(L)
th(H)
th(L)
tw(H)
tw(L)
tw(H)
tw(L)
tw(L)
tREC
Setup time, High or Low
Dn to CP
Hold time, High or Low
Dn to CP
Setup time, High or Low
PE or SR to CP
Hold time, High or Low
PE or SR to CP
Setup time, High or Low
CET or CEP to CP
Hold time, High or Low
CET or CEP to CP
CP pulse width (Load)
High or Low
CP pulse width (Count)
High or Low
MR pulse width
Low
’F161A
Recovery time
MR to CP
’F161A
Waveform 6
Waveform 6
Waveform
5 or 6
Waveform
5 or 6
Waveform 4
Waveform 4
Waveform 1
Waveform 1
Waveform 3
Waveform 3
Tamb = +25°C
VCC = +5.0V
CL = 50pF
RL = 500Ω
MIN
TYP
5.0
5.0
0
0
9.0
6.5
0
0
10.5
6.0
0
0
4.0
5.0
4.0
6.0
4.5
LIMITS
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF
RL = 500Ω
Tamb = –40°C to +85°C
VCC = +5.0V ± 10%
CL = 50pF
RL = 500Ω
MIN
MIN
5.0
5.0
5.0
5.0
0
0
0
0
9.5
9.5
7.0
7.0
0
0
0
0
10.5
10.5
7.0
7.0
0
0
0
0
4.0
4.0
5.5
7.0
4.0
4.0
7.0
7.0
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
4.5
4.5
ns
6.0
6.5
6.5
ns
1996 Jan 29
8
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