HY57V658020BTC-75I データシートの表示（PDF） - Hynix Semiconductor

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HY57V658020BTC-75I

4Mbit x 2 bank x 8 SDRAM, LVTTL, 100MHz

Hynix Semiconductor 

HY57V658020B

AC CHARACTERISTICS I

Note :

1. A new command can be given tRRC after self refresh exit

Parameter

RAS Cycle Time

Operation

Auto Refresh

RAS to CAS Delay

RAS Active Time

RAS Precharge Time

RAS to RAS Bank Active Delay

CAS to CAS Delay

Write Command to Data-In Delay

Data-In to Precharge Command

Data-In to Active Command

DQM to Data-Out Hi-Z

DQM to Data-In Mask

MRS to New Command

CAS Latency = 3

Precharge to Data Output

Hi-Z

CAS Latency = 2

Power Down Exit Time

Self Refresh Exit Time

Refresh Time

-7I

-75I

-10SI

Symbol

Unit

Min Max Min

Max

Min

Max

tRC

65

-

65

-

70

-

ns

tRRC

65

-

65

-

70

-

ns

tRCD

20

-

20

-

20

-

ns

tRAS

45 100K 45

100K

50

100K

ns

tRP

20

-

20

-

20

-

ns

tRRD

14

-

15

-

20

-

ns

tCCD

1

-

1

-

1

-

CLK

tWTL

0

-

0

-

0

-

CLK

tDPL

2

-

2

-

2

-

CLK

tDAL

5

-

5

-

4

-

CLK

tDQZ

2

-

2

-

2

-

CLK

tDQM

0

-

0

-

0

-

CLK

tMRD

2

-

2

-

2

-

CLK

tPROZ3

3

-

3

-

3

-

CLK

tPROZ2

2

-

2

-

2

-

CLK

tPDE

1

-

1

-

1

-

CLK

tSRE

1

-

1

-

1

-

CLK

tREF

-

64

-

64

-

64

ms

Note

1

Rev. 0.2/Nov. 01

8

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