HM5117805 Series
EO
Parameter
Parameter
EDO Page Mode Cycle
HM5117805
-5
Symbol
t
HPC
t
RASP
t
CPA
Min Max
20
—
—
28
3
7
5
28
—
-6
Min Max
25
—
-7
Min Max
30
—
Unit
ns
Notes
19
16
9, 17
EDO page mode cycle time
EDO page mode
RAS
pulse width
Access time from
CAS
precharge
100000 —
28
—
—
—
—
—
—
35
3
10
5
35
100000 —
35
—
—
—
—
—
—
40
3
13
5
40
100000 ns
40
—
—
—
—
—
ns
ns
ns
ns
ns
ns
RAS
hold time from
CAS
precharge t
CPRH
Output data hold time from
CAS
low t
DOH
CAS
hold time referred
OE
CAS
to
OE
setup time
t
COL
Read command hold time from
CAS
t
RCHC
precharge
EDO Page Mode Read-Modify-Write Cycle
HM5117805
-5
-6
Min
68
54
Max
—
—
-7
Min
79
62
Max
Unit
ns
ns
14
Notes
EDO page mode read- modify-write t
HPRWC
cycle time
WE
delay time from
CAS
precharge t
CPW
LP
t
COP
Symbol
t
REF
t
REF
9, 17
ro
Min
Max
57
45
—
—
32
du
Max
Unit
ms
ms
128
Refresh
Parameter
Refresh period
Refresh period (L-version)
Symbol
Note
2048 cycles
2048 cycles
ct
Data Sheet E0156H10
11
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