HB52RD648DC-A6BL Ver la hoja de datos (PDF) - Elpida Memory, Inc

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HB52RD648DC-A6BL

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

86

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

5

(-75)

(-A6/B6)

0 0 1 1 0 1 1 0 36

6

87

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

B

88

Manufacturer’s part number 0 0 1 0 0 0 0 0 20

(-xxB)

(Space)

(-xxBL)

0 1 0 0 1 1 0 0 4C

L

89

Manufacturer’s part number 0 0 1 0 0 0 0 0 20

(Space)

90

Manufacturer’s part number 0 0 1 0 0 0 0 0 20

(Space)

91

Revision code

0 0 1 1 0 0 0 0 30

Initial

92

Revision code

0 0 1 0 0 0 0 0 20

(Space)

93

Manufacturing date

× × × × × × × × ××

Year code

(BCD)

94

Manufacturing date

× × × × × × × × ××

Week code

(BCD)

95 to 98 Assembly serial number

*3

99 to 125 Manufacturer specific data — — — — — — — — —

*4

126

Intel specification frequency 0 1 1 0 0 1 0 0 64

100 MHz

127

Intel specification CE# latency 1 1 0 0 1 1 1 1 CF

support

(-75/A6)

CL = 2, 3

(-B6)

1 1 0 0 1 1 0 1 CD

CL = 3

Notes: 1. All serial PD data are not protected. 0: Serial data, “driven Low”, 1: Serial data, “driven High”.

These SPD are based on Rev. 1.2B Specification.

2. Byte72 is manufacturing location code. (ex: In case of Japan, byte72 is 4AH. 4AH shows “J” on

ASCII code.)

3. Bytes 95 through 98 are assembly serial number.

4. All bits of 99 through 125 are not defined (“1” or “0”).

Data Sheet E0083H40

9

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