EBD10RD4ABFA View Datasheet(PDF) - Elpida Memory, Inc

Part Name

Description

Manufacturer

EBD10RD4ABFA

1GB Registered DDR SDRAM DIMM

Elpida Memory, Inc 

EBD10RD4ABFA

Byte No.

28

29

30

31

32

33

34

35

36 to 40

41

42

43

44

45

46 to 61

62

63

64

65

66

Function described

Minimum row active to row active

delay (tRRD)

-6B

-7A, -7B

Minimum /RAS to /CAS delay (tRCD)

-6B

-7A, -7B

Minimum active to precharge time

(tRAS)

-6B

-7A, -7B

Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value

0 0 1 1 0 0 0 0 30H

0 0 1 1 1 1 0 0 3CH

0 1 0 0 1 0 0 0 48H

0 1 0 1 0 0 0 0 50H

0 0 1 0 1 0 1 0 2AH

0 0 1 0 1 1 0 1 2DH

Module rank density

0 0 0 0 0 0 0 1 01H

Address and command setup time

before clock (tIS)

-6B

0 1 1 1 0 1 0 1 75H

-7A, -7B

1 0 0 1 0 0 0 0 90H

Address and command hold time after

clock (tIH)

0 1 1 1 0 1 0 1 75H

-6B

-7A, -7B

1 0 0 1 0 0 0 0 90H

Data input setup time before clock

(tDS)

-6B

0 1 0 0 0 1 0 1 45H

-7A, -7B

0 1 0 1 0 0 0 0 50H

Data input hold time after clock (tDH)

-6B

0

1

0

0

0

1

0

1

45H

-7A, -7B

0 1 0 1 0 0 0 0 50H

Superset information

0 0 0 0 0 0 0 0 00H

Active command period (tRC)

-6B

0 0 1 1 1 1 0 0 3CH

-7A, -7B

0 1 0 0 0 0 0 1 41H

Auto refresh to active/

Auto refresh command cycle (tRFC) 0 1 0 0 1 0 0 0 48H

-6B

-7A, -7B

0 1 0 0 1 0 1 1 4BH

SDRAM tCK cycle max. (tCK max.) 0 0 1 1 0 0 0 0 30H

Dout to DQS skew

-6B

0 0 1 0 1 1 0 1 2DH

-7A, -7B

0 0 1 1 0 0 1 0 32H

Data hold skew (tQHS)

-6B

0 1 0 1 0 1 0 1 55H

-7A, -7B

0 1 1 1 0 1 0 1 75H

Superset information

0 0 0 0 0 0 0 0 00H

SPD revision

Checksum for bytes 0 to 62

-6B

-7A

0 0 0 0 0 0 0 0 00H

1 1 0 1 0 0 1 1 D3H

1 0 0 0 1 0 1 0 8AH

-7B

1 0 1 1 0 1 0 1 B5H

Manufacturer’s JEDEC ID code

0 1 1 1 1 1 1 1 7FH

Manufacturer’s JEDEC ID code

0 1 1 1 1 1 1 1 7FH

Manufacturer’s JEDEC ID code

1 1 1 1 1 1 1 0 FEH

Comments

12ns

15ns

18ns

20ns

42ns

45ns

1 rank

1GB

0.75ns*3

0.9ns*3

0.75ns*3

0.9ns*3

0.45ns*3

0.5ns*3

0.45ns*3

0.5ns*3

Future use

60ns*3

65ns*3

72ns*3

75ns*3

12ns*3

450ps*3

500ps*3

550ps*3

750ps*3

Future use

Initial

211

138

181

Elpida Memory

Preliminary Data Sheet E0274E40 (Ver. 4.0)

6

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