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參數(shù)資料
| 型號： | 74F219SJX |
| 英文描述： | x4 SRAM |
| 中文描述： | x4的SRAM |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 71K |
| 代理商： | 74F219SJX |
www.fairchildsemi.com
4
7
AC Electrical Characteristics
AC Operating Requirements
Symbol
Parameter
T
A
=
+
25
°
C
V
CC
=
+
5.0V
C
L
=
50 pF
Typ
18.5
13.5
6.0
T
A
=
55
°
C to
+
125
°
C
V
CC
=
+
5.0V
C
L
=
50 pF
Min
9.0
8.0
3.5
T
A
=
0
°
C to
+
70
°
C
V
CC
=
+
5.0V
C
L
=
50 pF
Min
10.0
8.0
3.5
Units
Min
10.0
8.0
3.5
Max
26.0
19.0
8.5
Max
32.0
23.0
10.5
Max
27.0
20.0
9.5
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
PZH
t
PZL
t
PHZ
t
PLZ
Access Time, HIGH or LOW
A
n
to O
n
Access Time, HIGH or LOW
ns
ns
CS to O
n
Disable Time, HIGH or LOW
CS to O
n
Write Recovery Time
HIGH or LOW, WE to O
n
Disable Time, HIGH or LOW
5.0
2.0
3.0
9.0
4.0
5.5
13.0
6.0
8.0
5.0
2.0
2.5
15.0
8.0
10.0
5.0
2.0
3.0
14.0
7.0
9.0
6.5
6.5
4.0
20.0
11.0
7.0
28.0
15.5
10.0
6.5
6.5
3.5
37.5
17.5
12.0
6.5
6.5
4.0
29.0
16.5
11.0
ns
WE to O
n
5.0
9.0
13.0
5.0
15.0
5.0
14.0
Symbol
Parameter
T
A
=
+
25
°
C
V
CC
=
+
5.0V
Min
0
T
A
=
55
°
C to
+
125
°
C
V
CC
=
+
5.0V
Min
0
T
A
=
0
°
C to
+
70
°
C
V
CC
=
+
5.0V
Min
0
Units
Max
Max
Max
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)
Setup Time, HIGH or LOW
ns
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
0
0
0
2.0
2.0
2.0
2.0
2.0
2.0
10.0
10.0
0
11.0
11.0
2.0
10.0
10.0
0
ns
D
n
to WE
Setup Time, LOW
0
2.0
0
0
0
0
ns
CS to WE
Hold Time, LOW
CS to WE
t
H
(L)
6.0
7.5
6.0
t
W
(L)
WE Pulse Width, LOW
6.0
15.0
6.0
ns
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| 74F2240QC | 功能描述:緩沖器和線路驅(qū)動器 Octal Buf/Line Drv RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| 74F2240QCX | 功能描述:緩沖器和線路驅(qū)動器 Octal Buf/Line Drv RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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