HM5164805F Series, HM5165805F Series
EDO Page Mode Cycle
HM5164805F/HM5165805F
-5
Min
20
—
—
28
3
-6
Parameter
Symbol
tHPC
Max
Min
25
Max
Unit
Notes
20
EDO page mode cycle time
EDO page mode RAS pulse width
Access time from CAS precharge
RAS hold time from CAS precharge
Output data hold time from CAS low
CAS hold time referred OE
CAS to OE setup time
—
—
ns
tRASP
tCPA
tCPRH
tDOH
100000 —
100000 ns
16
28
—
—
—
—
—
—
35
3
35
—
—
—
—
—
ns
ns
ns
ns
ns
ns
9, 17
9, 22
tCOL
8
10
5
tCOP
5
Read command hold time from
tRCHC
28
35
CAS precharge
Write pulse width during CAS precharge tWPE
OE precharge time tOEP
8
8
—
—
10
10
—
—
ns
ns
EDO Page Mode Read-Modify-Write Cycle
HM5164805F/HM5165805F
-5
-6
Parameter
Symbol
Min
57
Max
Min
68
Max
Unit
Notes
EDO page mode read-modify-write
cycle time
tHPRWC
—
—
ns
WE delay time from CAS precharge
tCPW
45
—
54
—
ns
14
Refresh (HM5164805F Series)
Parameter
Symbol
tREF
Max
Unit
Notes
Refresh period
64
ms
8192 cycles
Refresh (HM5165805F Series)
Parameter
Symbol
Max
Unit
Notes
Refresh period
tREF
64
ms
4096 cycles
Data Sheet E0098H10
14