參數(shù)資料
型號(hào): HM5117405S-5
元件分類: DRAM
英文描述: 4M X 4 EDO DRAM, 50 ns, PDSO24
封裝: 0.300 INCH, PLASTIC, SOJ-26/24
文件頁數(shù): 6/35頁
文件大?。?/td> 346K
代理商: HM5117405S-5
HM5116405 Series, HM5117405 Series
14
EDO Page Mode Cycle
HM51W16405/HM51W17405
-5
-6
-7
Parameter
Symbol
Min Max
Unit
Notes
EDO page mode cycle time
t
HPC
20
25
30
ns
21
EDO page mode
RAS pulse width
t
RASP
100000 —
100000 ns
16
Access time from
CAS precharge
t
CPA
28
35
40
ns
9, 17, 20
RAS hold time from CAS precharge t
CPRH
28
35
40
ns
Output data hold time from
CAS low t
DOH
3
3
3
ns
9, 17
CAS hold time referred OE
t
COL
7
10
13
ns
CAS to OE setup time
t
COP
5—
5
ns
Read command hold time from
CAS precharge
t
RCHC
28
35
40
ns
EDO Page Mode Read-Modify-Write Cycle
HM5116405/HM5117405
-5
-6
-7
Parameter
Symbol
Min
Max
Min
Max
Min
Max
Unit
Notes
EDO page mode read- modify-write
cycle time
t
HPRWC
57
68
79
ns
WE delay time from CAS precharge t
CPW
45
54
62
ns
14
Test Mode Cycle *
19
HM5116405/HM5117405
-5
-6
-7
Parameter
Symbol
Min
Max
Min
Max
Min
Max
Unit
Notes
Test mode
WE setup time
t
WTS
0—
ns
Test mode
WE hold time
t
WTH
7
10
10
ns
Refresh (HM5116405 Series)
Parameter
Symbol
Max
Unit
Notes
Refresh period
t
REF
64
ms
4096 cycles
Refresh period (L-version)
t
REF
128
ms
4096 cycles
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參數(shù)描述
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