4, 8 Meg x 64 DRAM SODIMMs

Micron Technology, Inc., reserves the right to change products or specifications without notice.

DM83.p65 – Rev. 2/99

©1999, Micron Technology, Inc.

7

4, 8 MEG x 64

DRAM SODIMMs

SERIAL PRESENCE-DETECT MATRIX

BYTE

DESCRIPTION

ENTRY (VERSION) BIT7

BIT6

BIT5

BIT4

BIT3

BIT2

BIT1

BIT0

HEX

0

NUMBEROFBYTESUSEDBYMICRON

128

10000000

80

1

TOTALNUMBEROFSPDMEMORYBYTES

256

00001000

08

2

MEMORYTYPE

FASTPAGEMODE

00000001

01

EDOPAGEMODE

00000010

02

3

NUMBEROFROWADDRESSES

12

00001100

0C

4

NUMBEROFCOLUMNADDRESSES

10(32MB)

00001010

0A

11(64MB)

00001011

0B

5

NUMBEROFBANKS

1

00000001

01

6

MODULEDATAWIDTH

64

01000000

40

7

MODULEDATAWIDTH(continued)

0

00000000

00

8

MODULEVOLTAGEINTERFACELEVELS

LVTTL

00000001

01

9

50ns (-5)

00110010

32

60ns (-6)

00111100

3C

10

13ns (-5)

00001101

0D

15ns (-6)

00001111

0F

11

MODULECONFIGURATIONTYPE

NONPARITY

00000000

00

12

REFRESHRATE/TYPE15.6µs/NORMAL

0

0000000

00

2x - 31.25µs/SELF

10000011

03

13

DRAMWIDTH(PRIMARYDRAM)

x16(32MB)

00010000

10

x8(64MB)

00001000

08

14

ERRORCHECKINGDRAMDATAWIDTH

NONE

00000000

00

15-61

RESERVED

00000000

00

62

SPD REVISION

REV. 0

00000000

00

63

CHECKSUMFORBYTES0-62

32MB-5(EDO)

00110001

31

32MB -6 (EDO)

00111101

3D

32MB -5 (FPM)

00110000

30

32MB -6 (FPM)

00111100

3C

64MB -5 (EDO)

00101010

2A

64MB -6 (EDO)

00110110

36

64MB -5 (FPM)

00101001

29

64MB -6 (FPM)

00110101

35

64

MANUFACTURER’SJEDECIDCODE

MICRON

00101100

2C

65-71

MANUFACTURER’SJEDECCODE(CONT.)

11111111

FF

72

MANUFACTURINGLOCATION

00000001

01

00000010

02

00000011

03

00000100

04

73-90

MODULEPARTNUMBER(ASCII)

xxxxxxxx

xx

91

PCBIDENTIFICATIONCODE

1

00000001

01

2

00000010

02

3

00000011

03

4

00000100

04

92

IDENTIFICATIONCODE(CONT.)

0

00000000

00

93

YEAROFMANUFACTUREINBCD

xxxxxxxx

xx

94

WEEKOFMANUFACTUREINBCD

xxxxxxxx

xx

95-98

MODULESERIALNUMBER

xxxxxxxx

xx

99-125

MANUFACTURESPECIFICDATA(RSVD)

–––––––––

NOTE: 1. “1”/“0”: Serial Data, “driven to HIGH”/“driven to LOW.”

2. x = Variable Data.