HM5164805F Series, HM5165805F Series
EDO Page Mode Cycle
EO
Parameter
EDO page mode cycle time
EDO page mode
RAS
pulse width
Access time from
CAS
precharge
CAS
hold time referred
OE
CAS
to
OE
setup time
Read command hold time from
CAS
precharge
OE
precharge time
Parameter
HM5164805F/HM5165805F
-5
Symbol
t
HPC
t
RASP
t
CPA
t
CPRH
t
DOH
t
COL
Min
20
—
—
28
3
8
5
28
8
8
Max
—
-6
Min
25
Max
—
Unit
ns
Notes
20
16
9, 17
100000 —
28
—
—
—
—
—
—
—
—
35
3
10
5
35
10
10
100000 ns
35
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
ns
ns
RAS
hold time from
CAS
precharge
Output data hold time from
CAS
low
9, 22
Write pulse width during
CAS
precharge t
WPE
t
OEP
EDO Page Mode Read-Modify-Write Cycle
EDO page mode read-modify-write
cycle time
WE
delay time from
CAS
precharge
Refresh
(HM5164805F Series)
Parameter
Refresh period
Symbol
t
REF
Max
64
Refresh
(HM5165805F Series)
Parameter
Refresh period
Symbol
t
REF
Max
64
L
t
COP
t
RCHC
Symbol
t
HPRWC
t
CPW
Data Sheet E0098H10
14
o
Pr
HM5164805F/HM5165805F
-5
-6
Min
Max
Min
57
45
—
—
68
54
Max
Unit
ns
ns
Notes
—
—
14
du
Unit
ms
Notes
Unit
ms
Notes
8192 cycles
ct
4096 cycles
ELPIDA [ ELPIDA MEMORY ]
