74F193SCX 查看數據表（PDF） - Fairchild Semiconductor
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74F193SCX Datasheet PDF : 8 Pages
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AC Electrical Characteristics
Symbol
Parameter
fMAX
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
Maximum Count Frequency
Propagation Delay
CPU or CPD to
TCU or TCD
Propagation Delay
CPU or CPD to Qn
Propagation Delay
Pn to Qn
Propagation Delay
PL to Qn
Propagation Delay
MR to Qn
Propagation Delay
MR to TCU
Propagation Delay
MR to TCD
Propagation Delay
PL to TCU or TCD
Propagation Delay
Pn to TCU or TCD
AC Operating Requirements
Symbol
Parameter
tS(H)
tS(L)
tH(H)
tH(L)
tW(L)
tW(L)
tW(L)
tW(H)
tREC
tREC
Setup Time, HIGH or LOW
Pn to PL
Hold Time, HIGH or LOW
Pn to PL
PL Pulse Width, LOW
CPU or CPD
Pulse Width, LOW
CPU or CPD
Pulse Width, LOW
(Change of Direction)
MR Pulse Width, HIGH
Recovery Time
PL to CPU or CPD
Recovery Time
MR to CPU or CPD
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min
Typ
Max
100
125
4.0
7.0
9.0
3.5
6.0
8.0
4.0
6.5
8.5
5.5
9.5
12.5
3.0
4.5
7.0
6.0
11.0
14.5
5.0
8.5
11.0
5.5
10.0
13.0
5.5
11.0
14.5
6.0
10.5
13.5
6.0
11.5
14.5
7.0
12.0
15.5
7.0
11.5
14.5
7.0
11.5
14.5
6.5
11.0
14.0
TA = 0°C to +70°C
VCC = +5.0V
CL = 50 pF
Min
Max
90
4.0
10.0
3.5
9.0
4.0
9.5
5.5
13.5
3.0
8.0
6.0
15.5
5.0
12.0
5.5
14.0
5.5
15.5
6.0
14.5
6.0
15.5
7.0
16.5
7.0
15.5
7.0
15.5
6.5
15.0
Units
MHz
ns
ns
ns
ns
ns
ns
ns
TA = +25°C
VCC = +5.0V
Min
Max
4.5
4.5
2.0
2.0
6.0
5.0
10.0
6.0
6.0
4.0
TA = 0°C to +70°C
VCC = +5.0V
Min
Max
5.0
5.0
2.0
2.0
6.0
5.0
Units
ns
ns
ns
10.0
ns
6.0
ns
6.0
ns
4.0
ns
5
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