參數(shù)資料
型號: P4C170-25LM
廠商: PYRAMID SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: ULTRA HIGH SPEED 4K x 4 STATIC CMOS RAMS
中文描述: 4K X 4 STANDARD SRAM, 25 ns, CQCC20
封裝: 0.290 X 0.430 INCH, CERAMIC, LCC-20
文件頁數(shù): 5/15頁
文件大小: 246K
代理商: P4C170-25LM
P4C168, P4C169, P4C170
Page 5 of 15
Document #
SRAM107
REV A
AC ELECTRICAL CHARACTERISTICS - WRITE CYCLE
(V
CC
= 5V ± 10%, All Temperature Ranges)
(2)
Min Max Min Max Min Max Min Max Min Max
t
WC
Write Cycle Time
12
15
18
20
30
ns
t
cw
Chip Enable Time to End of Write
12
15
18
20
30
ns
t
AW
Address Valid to End of Write
12
15
18
20
30
ns
t
AS
Address Set-up Time
0
0
0
0
0
ns
t
WP
Write Pulse Width
12
15
18
20
30
ns
t
AH
Address Hold Time
0
0
0
0
0
ns
t
DW
Data Valid to End of Write
7
8
10
10
15
ns
t
DH
Data Hold Time
0
0
0
0
0
ns
t
WZ
Write Enable to Output in High Z
4
5
6
7
13
ns
t
OW
Output Active from End of Write
0
0
0
0
0
ns
Sym
Parameter
Unit
-35
-12
-15
-20
-25
AC ELECTRICAL CHARACTERISTICS - WRITE CYCLE (CONTINUED)
(V
CC
= 5V ± 10%, All Temperature Ranges)
(2)
Min Max Min Max Min Max
t
WC
Write Cycle Time
45
55
70
ns
t
cw
Chip Enable Time to End of Write
40
50
60
ns
t
AW
Address Valid to End of Write
40
50
60
ns
t
AS
Address Set-up Time
0
0
0
ns
t
WP
Write Pulse Width
40
50
60
ns
t
AH
Address Hold Time
0
0
0
ns
t
DW
Data Valid to End of Write
20
20
25
ns
t
DH
Data Hold Time
3
3
3
ns
t
WZ
Write Enable to Output in High Z
20
25
30
ns
t
OW
Output Active from End of Write
0
0
0
ns
Sym
Parameter
Unit
-45
-55
-70
相關PDF資料
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P4C170-35CC ULTRA HIGH SPEED 4K x 4 STATIC CMOS RAMS
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