74F579 查看數據表（PDF） - Philips Electronics
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74F579 Datasheet PDF : 14 Pages
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Philips Semiconductors
8-bit bidirectional binary counter (3-State)
Product specification
74F579
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
TEST CONDITIONS
fMAX
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPZH
tPZL
tPHZ
tPLZ
tPZH
tPZL
tPHZ
tPLZ
Maximum clock frequency
Propagation delay
CP to I/On
Propagation delay
CP to TC
Propagation delay
U/D to TC
Propagation delay
CET to TC
Propagation delay
MR to I/On
Propagation delay
MR to TC
Output Enable time
CS to I/On
Output Disable time
CS to I/On
Output Enable time
PE to I/On
Output Disable time
PE to I/On
Output Disable time
OE to I/On
Output Enable time
OE to I/On
Waveform 1
Waveform 1
Waveform 1
Waveform 4
Waveform 3
Waveform 2
Waveform 4
Waveform 6
Waveform 7
Waveform 6
Waveform 7
Waveform 6
Waveform 7
Waveform 6
Waveform 7
Waveform 6
Waveform 7
Waveform 6
Waveform 7
LIMITS
Tamb = +25°C
VCC = +5.0V
CL = 50pF, RL = 500Ω
MIN
TYP
MAX
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF, RL = 500Ω
MIN
MAX
100
115
80
5.0
7.5
10.5
4.5
11.5
5.0
7.5
10.5
5.0
11.5
5.5
7.5
10.0
5.0
11.0
5.5
7.5
10.0
5.0
11.0
3.5
5.5
8.0
3.5
9.0
4.5
6.5
8.0
4.5
9.0
3.5
5.5
7.0
3.5
8.5
3.5
6.0
8.0
3.5
8.5
5.0
7.0
9.0
5.0
10.0
4.0
6.5
9.0
4.0
10.5
6.0
8.0
10.5
6.0
12.5
4.0
5.0
8.5
3.5
10.0
5.5
7.0
10.5
5.0
11.5
3.0
5.0
7.5
3.0
9.0
5.0
7.5
9.5
4.5
11.0
3.0
4.5
8.0
3.0
9.0
5.0
6.5
10.0
4.5
11.0
3.0
4.0
7.5
3.0
9.0
2.5
4.0
7.5
2.0
8.5
2.5
4.0
7.0
2.5
8.5
4.5
5.5
9.0
4.0
10.5
1.0
2.5
4.0
1.0
5.5
2.0
4.0
7.0
2.0
8.0
UNIT
MHz
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1992 May 04
7
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