MC74F657A Просмотр технического описания (PDF) - Motorola => Freescale
Номер в каталоге
Компоненты Описание
производитель
MC74F657A
Motorola => Freescale
MC74F657A Datasheet PDF : 5 Pages
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F657A
AC ELECTRICAL CHARACTERISTICS
Symbol
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Parameter
Propagation Delay
An to Bn or Bn to An
Propagation Delay
An to PARITY
Propagation Delay
EVEN/ODD to PARITY, ERROR
Propagation Delay
Bn to ERROR
Propagation Delay
PARITY to ERROR
Output Enable Time
to HIGH or LOW Level
Output Disable Time
from HIGH or LOW Level
F657B
AC ELECTRICAL CHARACTERISTICS
Symbol
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Parameter
Propagation Delay
An to Bn or Bn to An
Propagation Delay
An to PARITY
Propagation Delay
EVEN/ODD to PARITY, ERROR
Propagation Delay
Bn to ERROR
Propagation Delay
PARITY to ERROR
Output Enable Time
to HIGH or LOW Level
Output Disable Time
from HIGH or LOW Level
MC74F657A, B
74F
74F
TA = +25°C
VCC = +5.0 V
CL = 50 pF
TA = 0°C to +70°C
VCC = +5.0 V ± 10%
CL = 50 pF
Min
Typ
Max
Min
Max
Unit
2.0
7.0
2.0
7.5
ns
2.0
7.0
2.0
7.5
6.0
13
5.5
14
ns
6.5
13
6.5
14
4.5
10.5
4.5
11
ns
4.5
10.5
4.5
11.5
7.0
18
6.5
19
ns
7.0
18
6.5
19
8.0
14
7.0
15
ns
7.0
14
7.0
15
3.0
8.0
3.0
9.0
ns
4.0
9.0
4.0
10
2.0
7.5
2.0
8.0
ns
2.0
6.0
2.0
6.5
74F
74F
TA = +25°C
VCC = +5.0 V
CL = 50 pF
TA = 0°C to +70°C
VCC = +5.0 V ± 10%
CL = 50 pF
Min
Typ
Max
Min
Max
Unit
2.0
6.0
2.0
6.5
ns
2.0
6.0
2.0
6.5
4.5
11.5
4.5
13
ns
4.5
11.5
4.5
13
2.0
7.5
2.0
8.5
ns
2.0
7.5
2.0
8.5
4.0
15
3.5
16
ns
4.0
15
3.5
16
5.0
11
4.0
12
ns
5.0
11
4.0
12
2.0
7.0
2.0
8.0
ns
2.0
7.0
2.0
8.0
2.0
6.0
2.0
6.5
ns
2.0
6.0
2.0
6.5
FAST AND LS TTL DATA
4-250
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