74F620 查看數據表（PDF） - Philips Electronics
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74F620 Datasheet PDF : 12 Pages
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Philips Semiconductors
Transceivers
Product specification
74F620/74F623
AC ELECTRICAL CHARACTERISTICS – 74F620
SYMBOL
PARAMETER
TEST
CONDITION
tPLH
Propagation delay
tPHL
An to Bn
tPLH
Propagation delay
tPHL
Bn to An
tPZH
Output Enable time
tPZL
to High or Low level, OEBA to An
tPHZ
Output Disable time
tPLZ
to High or Low level, OEBA to An
tPZH
Output Enable time
tPZL
to High or Low level, OEAB to Bn
tPHZ
Output Disable time
tPLZ
to High or Low level, OEAB to Bn
Waveform 2
Waveform 2
Waveform 3
Waveform 4
Waveform 3
Waveform 4
Waveform 3
Waveform 4
Waveform 3
Waveform 4
AC ELECTRICAL CHARACTERISTICS – 74F623
SYMBOL
PARAMETER
TEST
CONDITION
tPLH
Propagation delay
tPHL
An to Bn
tPLH
Propagation delay
tPHL
Bn to An
tPZH
Output Enable time
tPZL
to High or Low level, OEBA to An
tPHZ
Output Disable time
tPLZ
to High or Low level, OEBA to An
tPZH
Output Enable time
tPZL
to High or Low level, OEAB to Bn
tPHZ
Output Disable time
tPLZ
to High or Low level, OEAB to Bn
Waveform 1
Waveform 1
Waveform 3
Waveform 4
Waveform 3
Waveform 4
Waveform 3
Waveform 4
Waveform 3
Waveform 4
LIMITS
VCC = +5V
Tamb = +25°C
CL = 50pF, RL = 500Ω
MIN TYP MAX
VCC = +5V ± 10%
Tamb = 0°C to +70°C
CL = 50pF, RL = 500Ω
MIN
MAX
2.5
4.5
6.5
2.0
7.5
1.0
2.5
4.5
1.0
5.0
2.5
4.5
6.5
2.0
7.5
1.0
2.5
4.5
1.0
5.0
3.0
7.5 10.5
2.5
11.5
4.0
7.5 10.5
3.5
11.5
2.5
4.5
7.5
2.0
8.0
2.0
4.5
7.0
1.5
7.5
4.5
7.5 10.5
4.0
11.5
4.5
7.5 10.0
4.0
11.0
3.0
6.5
9.5
2.5
10.5
4.0
6.5
9.5
3.5
10.5
LIMITS
VCC = +5V
Tamb = +25°C
CL = 50pF, RL = 500Ω
MIN TYP MAX
VCC = +5V ± 10%
Tamb = 0°C to +70°C
CL = 50pF, RL = 500Ω
MIN
MAX
2.0
4.0
5.5
2.0
6.5
3.0
5.0
7.0
2.5
7.5
2.0
4.0
5.5
2.0
6.5
2.5
4.5
6.5
2.5
7.5
5.0
8.5 10.5
5.0
12.0
5.0
7.5
9.5
5.0
10.0
2.5
4.5
6.5
2.5
7.5
2.5
4.5
6.5
2.5
7.0
5.0
8.0 10.0
5.0
11.5
4.5
7.0
9.0
4.5
9.5
3.0
6.0
8.5
3.0
10.0
4.0
7.0
9.0
4.0
10.0
UNIT
ns
ns
ns
ns
ns
ns
UNIT
ns
ns
ns
ns
ns
ns
1990 Apr 6
7
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