N74ALS163BDB 查看數據表（PDF） - Philips Electronics
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N74ALS163BDB Datasheet PDF : 14 Pages
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Philips Semiconductors
4-bit binary counter
Product specification
74ALS161B/74ALS163B
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
fMAX
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPHL
tPHL
Maximum clock frequency
Propagation delay
CP to Qn
Propagation delay
CP to TC
Propagation delay
CET to TC
Propagation delay
MR to Qn
Propagation delay
MR to TC
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
tsu(H)
tsu(L)
th(H)
th(L)
tsu(H)
tsu(L)
th(H)
th(L)
tsu(H)
tsu(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 or SR Pulse width, Low
Recovery time, CR or SR to CP
TEST CONDITION
74ALS161B
74ALS163B
Waveform 1
Waveform 1
Waveform 1
Waveform 2
Waveform 3
Waveform 3
LIMITS
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF, RL = 500Ω
MIN
MAX
100
4.0
13.0
6.0
16.0
6.0
16.0
8.0
16.0
3.0
10.0
3.0
10.0
8.0
15.0
11.0
19.0
UNIT
MHz
ns
ns
ns
ns
ns
TEST CONDITION
Waveform 6
Waveform 6
Waveform 5 or 6
Waveform 6
Waveform 4
Waveform 4
Waveform 1
Waveform 1
Waveform 3
Waveform 3
LIMITS
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF, RL = 500Ω
MIN
MAX
8.0
8.0
0.0
0.0
10.0
10.0
0.0
0.0
10.0
10.0
0.0
0.0
5.0
5.0
5.0
5.0
5.0
10.0
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1991 Feb 08
8
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