Datasheet > EBD25EC8AAFA-6B

EBD25EC8AAFA-6B

更新时间： 2024-02-01 12:58:41

品牌	Logo	应用领域
尔必达 - ELPIDA		动态存储器双倍数据速率
页数	文件大小	规格书
17页	168K
描述
256MB Unbuffered DDR SDRAM DIMM

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数据手册

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EBD25EC8AAFA-6B 数据手册

EBD25EC8AAFA-6B

Byte No. Function described

Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value

Comments

0.45ns^*1

Data input hold time after clock (tDH)

45H

00H

3CH

36 to 40

Superset information

Future use

60ns^*1

Active command period (tRC)

Auto refresh to active/

48H

72ns^*1

Auto refresh command cycle (tRFC)

SDRAM tCK cycle max. (tCK max.)

3CH

2DH

55H

00H

34H

15ns^*1

Dout to DQS skew

0.45ns^*1

0.55ns^*1

Future use

Data hold skew (tQHS)

Superset information

46 to 61

SPD Revision

Checksum for bytes 0 to 62

Continuation

code

64 to 65

Manufacturer’s JEDEC ID code

7FH

Manufacturer’s JEDEC ID code

FEH

00H

Elpida Memory

67 to 71

(ASCII-8bit

code)

Manufacturing location

××

Module part number

Revision code

45H

42H

44H

32H

35H

45H

43H

38H

41H

46H

41H

2DH

36H

42H

20H

30H

20H

—

88 to 90

(Space)

Initial

(Space)

Revision code

Year code

Manufacturing date

××

(HEX)

Week code

(HEX)

Manufacturing date

95 to 98

Module serial number

99 to 127 Manufacture specific data

Note: 1.These specifications are defined based on component specification, not module.

Preliminary Data Sheet E0391E10 (Ver. 1.0)

1...3 4 567 8 9...17

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