HB52RD648DC-B datasheet(9/20 Pages) ELPIDA

Part #	HB52RD648DC-B

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

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Manufacturer	ELPIDA [Elpida Memory]

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

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9 / 20 page

HB52RF648DC-B, HB52RD648DC-B

Data Sheet E0083H40

9

Byte No. Function described

Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value Comments

86

Manufacturer’s part number

(-75)

0011010135

5

(-A6/B6)

0011011036

6

87

Manufacturer’s part number

0100001042

B

88

Manufacturer’s part number

(-xxB)

0010000020

(Space)

(-xxBL)

010011004C

L

89

Manufacturer’s part number

0010000020

(Space)

90

Manufacturer’s part number

0010000020

(Space)

91

Revision code

0011000030

Initial

92

Revision code

0010000020

(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

0110010064

100 MHz

127

Intel specification

CE# latency

support

(-75/A6)

11001111CF

CL = 2, 3

(-B6)

11001101CD

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”).

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HB52RD648DC-B Datasheet(PDF) 9 Page - Elpida Memory

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