HM5165165LTT-6 データシートの表示（PDF） - Hitachi -> Renesas Electronics

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HM5165165LTT-6

64M EDO DRAM (4-Mword × 16-bit) 8k refresh/4k refresh

Hitachi -> Renesas Electronics 

HM5164165 Series, HM5165165 Series

EDO Page Mode Cycle

Parameter

Symbol

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

Read command hold time from

CAS precharge

t HPC

t RASP

t CPA

t CPRH

t DOH

t COL

t COP

t RCHC

Write pulse width during CAS precharge tWPE

OE precharge time

t OEP

HM5164165/HM5165165

-5

-6

Min Max Min Max Unit

20

—

25

—

ns

—

100000 —

100000 ns

—

28

—

35

ns

28

—

35

—

ns

3

—

3

—

ns

8

—

10

—

ns

5

—

5

—

ns

28

—

35

—

ns

8

—

10

—

ns

8

—

10

—

ns

Notes

20

16

9, 17, 29

9, 22

EDO Page Mode Read-Modify-Write Cycle

Parameter

Symbol

EDO page mode read-modify-write cycle tHPRWC

time

WE delay time from CAS precharge

t CPW

HM5164165/HM5165165

-5

-6

Min Max Min Max

57

—

68

—

45

—

54

—

Unit

ns

ns

Notes

14, 29

Refresh (HM5164165 Series)

Parameter

Refresh period

Refresh period (L-version)

Symbol

t REF

t REF

Max

64

128

Unit

Note

ms

8192 cycles

ms

8192 cycles

15

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