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Номер в каталоге
Компоненты Описание
MC74F269N Просмотр технического описания (PDF) - Motorola => Freescale
Номер в каталоге
Компоненты Описание
производитель
MC74F269N
8-BIT BIDIRECTIONAL BINARY COUNTER
Motorola => Freescale
MC74F269N Datasheet PDF : 5 Pages
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5
MC74F269
Symbol
fMAX
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
AC ELECTRICAL CHARACTERISTICS
74F
TA = +25
°
C
VCC = +5.0 V
CL = 50 pF
Parameter
Min
Typ
Max
Maximum Clock Frequency
100
Propagation Delay
CP to Qn (Load) PE = LOW
Propagation Delay
CP to Qn (Count) PE = HIGH
Propagation Delay
CP to TC
3.0
5.5
9.0
4.0
5.0
9.0
3.0
6.0
9.0
4.5
7.0
10
4.5
7.5
10
5.0
7.5
10
Propagation Delay
CET to TC
3.5
5.0
9.0
3.5
5.5
9.0
Propagation Delay
U/D to TC
4.0
6.0
9.0
4.5
5.5
9.5
74F
TA = 0
°
C to +70
°
C
VCC = +5.0 V
±
10%
CL = 50 pF
Min
Max
85
3.0
9.5
4.0
9.5
2.5
10
4.5
10.5
4.5
10.5
5.0
11
3.5
10
3.5
10
4.0
10
4.5
10
Unit
MHz
ns
ns
ns
ns
ns
Symbol
Parameter
ts(H)
ts(L)
Set-up Time, HIGH or LOW
P to CP
th(H)
th(L)
Hold Time, HIGH or LOW
P to CP
ts(H)
ts(L)
Set-up Time, HIGH or LOW
PE to CP
th(H)
th(L)
Hold Time, HIGH or LOW
PE to CP
ts(H)
ts(L)
Set-up Time, HIGH or LOW
CET, CEP to CP
th(H)
th(L)
Hold Time, HIGH or LOW
CET, CEP to CP
ts(H)
ts(L)
Set-up Time, HIGH or LOW
U/D to CP
th(H)
th(L)
Hold Time, HIGH or LOW
U/D to CP
tw(H)
tw(L)
Clock Pulse Width
CP
AC SETUP REQUIREMENTS
74F
TA = +25
°
C
VCC = +5.0 V
CL = 50 pF
Min
Typ
Max
2.0
2.0
1.0
1.0
5.0
5.5
0
0
4.5
4.5
0
0
6.0
7.0
0
0
4.0
4.5
74F
TA = 0
°
C to +70
°
C
VCC = +5.0 V
±
10%
CL = 50 pF
Min
Typ
Max Unit
2.5
2.5
ns
1.0
1.0
ns
5.5
6.5
ns
0
0
ns
5.5
5.5
ns
0
0
ns
7.0
8.0
ns
0
0
ns
4.0
5.0
ns
FAST AND LS TTL DATA
4-141
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