MC74F109 Просмотр технического описания (PDF) - Motorola => Freescale
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MC74F109 Datasheet PDF : 3 Pages
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MC54/74F109
AC CHARACTERISTICS
Symbol
fmax
tPLH
tPHL
tPLH
tPHL
Parameter
Maximum Clock Frequency
Propagation Delay
CPn to Qn or Qn
Propagation Delay
CDn or SDn to Qn or Qn
AC OPERATING REQUIREMENTS
Symbol
ts(H)
ts(L)
th(H)
th(L)
tw(H)
tw(L)
tw(L)
trec
Parameter
Setup Time, HIGH or LOW
Jn or Kn to CPn
Hold Time, HIGH or LOW
Jn or Kn to CPn
CPn Pulse Width, HIGH
or LOW
CDn or SDn Pulse Width, LOW
Recovery Time
CDn or SDn to CP
54/74F
TA = +25°C
VCC = +5.0 V
CL = 50 PF
Min
Typ
Max
100
125
3.8
5.3
7.0
4.4
6.2
8.0
2.5
5.2
7.0
3.5
7.0
9.0
54F
74F
TA = –55°C to +125°C TA = 0°C to +70°C
VCC = 5.0 V ± 10% VCC = 5.0 V ± 10%
CL = 50 PF
CL = 50 PF
Min
Max
Min
Max
70
90
3.8
9.0
3.8
8.0
4.4
10.5
4.4
9.2
2.5
9.0
2.5
8.0
3.5
11.5
3.5
10.5
54/74F
TA = +25°C
VCC = +5.0 V
Min
Typ
Max
3.0
3.0
1.0
1.0
4.0
5.0
4.0
54F
74F
TA = –55°C to +125°C TA = 0°C to +70°C
VCC = 5.0 V ± 10% VCC = 5.0 V ± 10%
Min
Max
Min
Max
3.0
3.0
3.0
3.0
1.0
1.0
1.0
1.0
4.0
4.0
5.0
5.0
4.0
4.0
2.0
2.0
2.0
Unit
MHz
ns
ns
Unit
ns
ns
ns
ns
FAST AND LS TTL DATA
4-44
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