EBE21AE8ACFA-6E-E datasheet(6/27 Pages) ELPIDA

Part #	EBE21AE8ACFA-6E-E

Description	2GB Registered DDR2 SDRAM DIMM

Download	27 Pages

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Manufacturer	ELPIDA [Elpida Memory]

Direct Link	http://www.elpida.com/en

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6 / 27 page

EBE21AE8ACFA

Data Sheet E1199E10 (Ver. 1.0)

6

Byte No.

Function described

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

Hex value

Comments

34

Data input setup time before clock

(tDS)

0

1

0

10H

0.10ns*

1

35

Data input hold time after clock (tDH)

0

1

0

1

17H

0.17ns*

1

36

Write recovery time (tWR)

0

1

0

3CH

15ns*

1

37

Internal write to read command delay

(tWTR)

0

1

0

1EH

7.5ns*

1

38

Internal read to precharge command

delay (tRTP)

0

1

0

1EH

7.5ns*

1

39

Memory analysis probe characteristics 0

0

00H

TBD

40

Extension of Byte 41 and 42

0

1

0

06H

41

Active command period (tRC)

0

1

0

3CH

60ns*

1

42

Auto refresh to active/

Auto refresh command cycle (tRFC)

0

1

7FH

127.5ns*

1

43

SDRAM tCK cycle max. (tCK max.)

1

0

80H

8ns*

1

44

Dout to DQS skew

0

1

0

18H

0.24ns*

1

45

Data hold skew (tQHS)

0

1

0

1

0

22H

0.34ns*

1

46

PLL relock time

0

1

0FH

15

µs

47 to 61

0

00H

62

SPD Revision

0

1

0

1

0

12H

Rev. 1.2

63

Checksum for bytes 0 to 62

0

1

0

1

37H

64 to 65

Manufacturer’s JEDEC ID code

0

1

7FH

Continuation

code

66

Manufacturer’s JEDEC ID code

1

0

FEH

Elpida Memory

67 to 71

Manufacturer’s JEDEC ID code

0

00H

72

Manufacturing location

×

××

(ASCII-8bit

code)

73

Module part number

0

1

0

1

0

1

45H

E

74

Module part number

0

1

0

1

0

42H

B

75

Module part number

0

1

0

1

0

1

45H

E

76

Module part number

0

1

0

1

0

32H

2

77

Module part number

0

1

0

1

31H

1

78

Module part number

0

1

0

1

41H

A

79

Module part number

0

1

0

1

0

1

45H

E

80

Module part number

0

1

0

38H

8

81

Module part number

0

1

0

1

41H

A

82

Module part number

0

1

0

1

43H

C

83

Module part number

0

1

0

1

0

46H

F

84

Module part number

0

1

0

1

41H

A

85

Module part number

0

1

0

1

0

1

2DH

—

86

Module part number

0

1

0

1

0

36H

6

87

Module part number

0

1

0

1

0

1

45H

E

88

Module part number

0

1

0

1

0

1

2DH

—

89

Module part number

0

1

0

1

0

1

45H

E

90

Module part number

0

1

0

20H

(Space)

91

Revision code

0

1

0

30H

Initial

92

Revision code

0

1

0

20H

(Space)

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