MC-4516CB647XFA-A75 datasheet(10/14 Pages) ELPIDA

Il numero della parte	MC-4516CB647XFA-A75

Spiegazioni elettronici	16M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE

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Produttore elettronici	ELPIDA [Elpida Memory]

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Data Sheet E0232N20 (Ver. 2.0)

10

MC-4516CB647XFA

Serial PD

(1/2)

Byte No.

Function Described

Hex

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Notes

0

Defines the number of bytes written into

serial PD memory

80H

1

0

128 bytes

1

Total number of bytes of serial PD memory

08H

0

1

0

256 bytes

2

Fundamental memory type

04H

0

1

0

SDRAM

3

Number of rows

0CH

0

1

0

12 rows

4

Number of columns

0AH

0

1

0

1

0

10 columns

5

Number of banks

01H

0

1

1 bank

6

Data width

40H

0

1

0

64 bits

7

Data width (continued)

00H

0

8

Voltage interface

01H

0

1

LVTTL

9

CL = 3 Cycle time

75H

0

1

0

1

0

1

7.5 ns

10

CL = 3 Access time

54H

0

1

0

1

0

1

0

5.4 ns

11

DIMM configuration type

00H

0

None

12

Refresh rate/type

80H

1

0

Normal

13

SDRAM width

08H

0

1

0

×8

14

Error checking SDRAM width

00H

0

None

15

Minimum clock delay

01H

0

1

1 clock

16

Burst length supported

8FH

1

0

1

1, 2, 4, 8, F

17

Number of banks on each SDRAM

04H

0

1

0

4 banks

18

/CAS latency supported

06H

0

1

0

2, 3

19

/CS latency supported

01H

0

1

0

20

/WE latency supported

01H

0

1

0

21

SDRAM module attributes

00H

0

22

SDRAM device attributes : General

0EH

0

1

0

23

CL = 2 Cycle time

A0H

1

0

1

0

10 ns

24

CL = 2 Access time

60H

0

1

0

6 ns

25-26

00H

0

27

tRP(MIN.)

14H

0

1

0

1

0

20 ns

28

tRRD(MIN.)

0FH

0

1

15 ns

29

tRCD(MIN.)

14H

0

1

0

1

0

20 ns

30

tRAS(MIN.)

2DH

0

1

0

1

0

1

45 ns

31

Module bank density

20H

0

1

0

128M bytes

32

Command and address signal input setup

time

15H

0

1

0

1

0

1

1.5 ns

33

Command and address signal input

hold time

08H

0

1

0

0.8 ns

34

Data signal input setup time

15H

0

1

0

1

0

1

1.5 ns

35

Data signal input hold time

08H

0

1

0

0.8 ns

36-61

00H

0

62

SPD revision

12H

0

1

0

1

0

1.2

63

Checksum for bytes 0 - 62

AFH

1

0

1

0

1

64

Manufacture’s JEDEC ID code

10H

0

1

0

NEC

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