MC74F379 Ver la hoja de datos (PDF) - Motorola => Freescale
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Fabricante
MC74F379 Datasheet PDF : 3 Pages
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MC54/74F379
AC CHARACTERISTICS
Symbol
fmax
tPLH
tPHL
Parameter
Maximum Clock Frequency
Propagation Delay
CP to Qn, Qn
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
Dn to CP
Hold Time, HIGH or LOW
Dn to CP
Setup Time, HIGH or LOW
E to CP
Hold Time, HIGH or LOW
E to CP
CP Pulse Width,
HIGH or LOW
54/74F
TA = +25°C
VCC = 5.0 V
CL = 50 pF
Min Typ Max
100 140
3.5
5.0
6.5
5.0
6.5
8.5
54F
TA = –55°C to +125°C
VCC = 5.0 V ± 10%
CL = 50 pF
Min
Max
90
3.5
8.5
5.0
10.5
54/74F
TA = +25°C
VCC = 5.0 V
Min Typ Max
3.0
3.0
1.0
1.0
6.0
6.0
2.0
2.0
4.0
5.0
54F
TA = –55°C to +125°C
VCC = 5.0 V ± 10%
Min
max
3.0
3.0
1.0
1.0
6.0
6.0
2.0
2.0
4.0
5.0
74F
TA = 0°C to +70°C
VCC = 5.0 V ± 10%
CL = 50 pF
Min
Max
100
3.5
7.5
5.0
9.5
74F
TA = 0°C to +70°C
VCC = 5.0 V ± 10%
Min
Max
3.0
3.0
1.0
1.0
6.0
6.0
2.0
2.0
4.0
5.0
Unit
MHz
ns
Unit
ns
ns
ns
FAST AND LS TTL DATA
4-178
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