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74F219 데이터 시트보기 (PDF) - Fairchild Semiconductor
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74F219
64-Bit Random Access Memory with 3-STATE Outputs
Fairchild Semiconductor
74F219 Datasheet PDF : 6 Pages
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AC Electrical Characteristics
Symbol
Parameter
t
PLH
Access Time, HIGH or LOW
t
PHL
A
n
to O
n
t
PZH
Access Time, HIGH or LOW
t
PZL
CS to O
n
t
PHZ
Disable Time, HIGH or LOW
t
PLZ
CS to O
n
t
PZH
Write Recovery Time
t
PZL
HIGH or LOW, WE to O
n
t
PHZ
Disable Time, HIGH or LOW
t
PLZ
WE to O
n
T
A
= +
25
°
C
V
CC
= +
5.0V
C
L
=
50 pF
Min
Typ
Max
10.0
18.5
26.0
8.0
13.5
19.0
3.5
6.0
8.5
5.0
9.0
13.0
2.0
4.0
6.0
3.0
5.5
8.0
6.5
20.0
28.0
6.5
11.0
15.5
4.0
7.0
10.0
5.0
9.0
13.0
AC Operating Requirements
T
A
= −
55
°
C to
+
125
°
C
V
CC
= +
5.0V
C
L
=
50 pF
Min
Max
9.0
32.0
8.0
23.0
3.5
10.5
5.0
15.0
2.0
8.0
2.5
10.0
6.5
37.5
6.5
17.5
3.5
12.0
5.0
15.0
T
A
=
0
°
C to
+
70
°
C
V
CC
= +
5.0V
C
L
=
50 pF
Min
Max
10.0
27.0
8.0
20.0
3.5
9.5
5.0
14.0
2.0
7.0
3.0
9.0
6.5
29.0
6.5
16.5
4.0
11.0
5.0
14.0
Symbol
Parameter
t
S
(H)
t
S
(L)
t
H
(H)
t
H
(L)
t
S
(H)
t
S
(L)
t
H
(H)
t
H
(L)
t
S
(L)
t
H
(L)
t
W
(L)
Setup Time, HIGH or LOW
A
n
to WE
Hold Time, HIGH or LOW
A
n
to WE
Setup Time, HIGH or LOW
D
n
to WE
Hold Time, HIGH or LOW
D
n
to WE
Setup Time, LOW
CS to WE
Hold Time, LOW
CS to WE
WE Pulse Width, LOW
T
A
= +
25
°
C
V
CC
= +
5.0V
Min
Max
0
0
2.0
2.0
10.0
10.0
0
0
0
T
A
= −
55
°
C to
+
125
°
C
V
CC
= +
5.0V
Min
Max
0
0
2.0
2.0
11.0
11.0
2.0
2.0
0
T
A
=
0
°
C to
+
70
°
C
V
CC
= +
5.0V
Min
Max
0
0
2.0
2.0
10.0
10.0
0
0
0
6.0
7.5
6.0
6.0
15.0
6.0
Units
ns
ns
ns
Units
ns
ns
ns
ns
www.fairchildsemi.com
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