MC54F398 データシートの表示（PDF） - Motorola => Freescale
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MC54F398 Datasheet PDF : 3 Pages
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AC CHARACTERISTICS
Symbol
fmax
tPLH
tPHL
Parameter
Maximum Clock Frequency
Propagation Delay
CP to Q or Q
AC OPERATING REQUIREMENTS
Symbol
ts(H)
ts(L)
th(H)
th(L)
ts(H)
ts(L)
th(H)
th(L)
tw(H)
tw(L)
Parameter
Setup Time, HIGH or LOW
In to CP
Hold Time, HIGH or LOW
In to CP
Setup Time, HIGH or LOW
S to CP
Hold Time, HIGH or LOW
S to CP
CP Pulse Width
HIGH or LOW
MC54/74F398
54/74F
TA = + 25°C
VCC = +5.0 V
CL = 50 pF
Min Typ Max
100 140
3.0
5.7
7.5
3.0
6.8
9.5
54F
TA = –55°C to +125°C
VCC = 5.0 V ±10%
CL = 50 pF
Min
Max
80
3.0
9.5
3.0
11.5
74F
TA = –0°C to 70°C
VCC = 5.0 V ±10%
CL = 50 pF
Min
Max
100
3.0
8.5
3.0
10.0
Unit
MHz
ns
54/74F
54F
74F
TA = +25°C
TA = –55°C to +125°C
TA = –0°C to 70°C
VCC = +5.0V
VCC = 5.0 V ±10%
VCC = 5.0 V ±10%
Min Typ Max
Min
Max
Min
Max
Unit
3.0
4.5
3.0
ns
3.0
4.5
3.0
1.0
1.5
1.0
ns
1.0
1.5
1.0
7.5
10.5
8.5
ns
7.5
10.5
8.5
0
0
0
ns
0
0
0
4.0
4.0
4.0
ns
5.0
7.0
5.0
FAST AND LS TTL DATA
4-191
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