HM514260CLJ-7 datasheet(10/27 Pages) HITACHI

Part #	HM514260CLJ-7

Description	262,144-word x 16-bit Dynamic Random Access Memory

Download	27 Pages

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Manufacturer	HITACHI [Hitachi Semiconductor]

Direct Link	http://www.renesas.com/eng

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HM514260C, HM51S4260C Series

10

Read Cycle

HM514260C, HM51S4260C

-6/-6R

-7

-8

Parameter

Symbol Min

Max

Min

Max

Min

Max

Unit Notes

Access time from

RAS

t

RAC

—

60

—

70

—

80

ns

2, 3

Access time from

CAS

t

CAC

—

15

—

20

—

20

ns

3, 4,

13

Access time from address

t

AA

—

30

—

35

—

40

ns

3, 5,

13

Access time from

OE

t

OAC

—

15

—

20

—

20

ns

23

Read command setup time

t

RCS

0

—

0

—

0

—

ns

19

Read command hold time to

CAS

t

RCH

0

—

0

—

0

—

ns

16, 19

Read command hold time to

RAS

t

RRH

0

—

0

—

0

—

ns

16

Column address to

RAS lead time

t

RAL

30

—

35

—

40

—

ns

Output buffer turn-off time

t

OFF1

015

0

15

015

ns

6

Output buffer turn-off to

OE

t

OFF2

015

0

15

015

ns

6

CAS to Din delay time

t

CDD

15

—

15

—

15

—

ns

Write Cycle

HM514260C, HM51S4260C

-6/-6R

-7

-8

Parameter

Symbol Min

Max

Min

Max

Min

Max

Unit Notes

Write command setup time

t

WCS

0

—

0

—

0

—

ns

10, 19

Write command hold time

t

WCH

15

—

15

—

15

—

ns

19

Write command pulse width

t

WP

10

—

10

—

10

—

ns

Write command to

RAS lead time

t

RWL

20

—

20

—

20

—

ns

Write command to

CAS lead time

t

CWL

20

—

20

—

20

—

ns

21

Data-in setup time

t

DS

0

—

0

—

0

—

ns

11

Data-in hold time

t

DH

15

—

15

—

15

—

ns

11

CAS to OE delay time

t

COD

—

0

—

0

—

0ns

23

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HM514260CLJ-7 Datasheet(PDF) 10 Page - Hitachi Semiconductor

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