HB52RF648DC-75B 데이터 시트보기 (PDF) - Elpida Memory, Inc

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HB52RF648DC-75B

512 MB Unbuffered SDRAM S.O.DIMM 64-Mword × 64-bit, 133/100 MHz Memory Bus, 2-Bank Module (16 pcs of 32 M × 8 components) PC133/100 SDRAM

Elpida Memory, Inc 

HB52RF648DC-B, HB52RD648DC-B

Byte No. Function described

Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value Comments

35

Data signal input hold time 0 0 0 0 1 0 0 0 08

(-75)

0.8 ns

(-A6/B6)

0 0 0 1 0 0 0 0 10

1.0 ns

36 to 61 Superset information

0 0 0 0 0 0 0 0 00

Future use

62

SPD data revision code

0 0 0 1 0 0 1 0 12

Rev. 1.2B

63

Checksum for bytes 0 to 62 0 1 0 1 0 0 1 1 53

83

(-75)

(-A6)

1 0 1 1 1 0 1 0 BA

186

(-B6)

0 0 1 1 1 0 1 0 3A

58

64

Manufacturer’s JEDEC ID code 0 0 0 0 0 1 1 1 07

HITACHI

65 to 71 Manufacturer’s JEDEC ID code 0 0 0 0 0 0 0 0 00

72

Manufacturing location

× × × × × × × × ××

*2 (ASCII-

8bit code)

73

Manufacturer’s part number 0 1 0 0 1 0 0 0 48

H

74

Manufacturer’s part number 0 1 0 0 0 0 1 0 42

B

75

Manufacturer’s part number 0 0 1 1 0 1 0 1 35

5

76

Manufacturer’s part number 0 0 1 1 0 0 1 0 32

2

77

Manufacturer’s part number 0 1 0 1 0 0 1 0 52

R

78

Manufacturer’s part number 0 1 0 0 0 1 1 0 46

F

(-75)

(-A6/B6)

0 1 0 0 0 1 0 0 44

D

79

Manufacturer’s part number 0 0 1 1 0 1 1 0 36

6

80

Manufacturer’s part number 0 0 1 1 0 1 0 0 34

4

81

Manufacturer’s part number 0 0 1 1 1 0 0 0 38

8

82

Manufacturer’s part number 0 1 0 0 0 1 0 0 44

D

83

Manufacturer’s part number 0 1 0 0 0 0 1 1 43

C

84

Manufacturer’s part number 0 0 1 0 1 1 0 1 2D



85

Manufacturer’s part number 0 0 1 1 0 1 1 1 37

7

(-75)

(-A6)

0 1 0 0 0 0 0 1 41

A

(-B6)

0 1 0 0 0 0 1 0 42

B

Data Sheet E0083H40

8

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