MSM54V24632A-12 Ver la hoja de datos (PDF) - Oki Electric Industry

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MSM54V24632A-12

131,072-Word x 32-Bit x 2-Bank SGRAM without Graphics Functions

Oki Electric Industry 

MSM54V24632A

¡ Semiconductor

AC Characteristics 1

Note 1, 2

Parameter

MSM54V24632A-8 MSM54V24632A-10 MSM54V24632A-12

Symbol

Unit Note

Min. Max. Min. Max. Min. Max.

CL = 3

8

—

10

—

12

— ns

Clock Cycles Time CL = 2 tCC

12

—

15

—

18

— ns

CL = 1

24

—

30

—

36

— ns

CL = 3

—

7

—

9

—

10 ns 3, 4

Access Time from

Clock

CL = 2

tAC

—

10

—

13

—

15 ns 3, 4

CL = 1

—

22

—

27

—

32 ns 3, 4

Clock "H" Pulse Time

Clock "L" Pulse Time

Input Setup Time

Input Hold Time

tCH

2.5

—

3

—

4

— ns

tCL

2.5

—

3

—

4

— ns

tSI

2.5

—

3

—

3

— ns

tHI

1

—

1

—

1.5

— ns

Output Low Impedance

Time form Clock

tOLZ

3

—

3

—

3

— ns

Output High Impedance

Time form Clock

tOHZ

—

6

—

8

—

10 ns

Output Hold from Clock

tOH

3

—

3

—

3

— ns 3

RAS Cycle Time

tRC

72

—

90

—

106

— ns

RAS Precharge Time

tRP

24

—

30

—

36

— ns

RAS Active Time

tRAS

48

105

60

105

72

105 ns

RAS to CAS Delay Time

tRCD

24

—

30

—

36

— ns

Write Recovery Time

tWR

16

—

20

—

24

— ns

Write Command Input Time

form Output

tOWD

16

—

20

—

24

— ns

RAS to RAS Bank Active

Delay Time

tRRD

16

—

20

—

24

— ns

Refresh Time

tREF

—

16

—

16

—

16 ms

Power-down Exit Set-up Time tPDE

8

—

10

—

12

— ns

Input Level Transition Time tT

1

5

1

5

1

5

ns

9

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