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M2Y(F)1G64TU88G7(4) B / M2Y(F)2G64TU8HG5(4) B

1GB: 128M x 64 / 2GB: 256M x 64

Unbuffered DDR2 SDRAM DIMM

REV 1.0 7

10/2010

NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.

Serial Presence Detect (1GB – 1 Rank, DDR2 SDRAMs)

Serial Presence Detect [1GB –1 Rank, DDR2 SDRAMs]

Byte

Description

SPD Data Entry (Hex.)

-AC

Number of Serial PD Bytes Written during Production

Total Number of Bytes in Serial PD device

Fundamental Memory Type

Number of Row Addresses on Assembly

Number of Column Addresses on Assembly

Number of DIMM Ranks, Package, and Height

Data Width of Assembly

Reserved

Voltage Interface Level of this Assembly

DDR2 SDRAM Device Cycle Time at CL=5

DDR2 SDRAM Device Access Time (t

) from Clock at CL=5

DIMM Configuration Type

Refresh Rate/Type

Primary DDR2 SDRAM Width

Error Checking DDR2 SDRAM Device Width

Reserved

DDR2 SDRAM Device Attributes: Burst Length Supported

DDR2 SDRAM Device Attributes: Number of Device Banks

DDR2 SDRAM Device Attributes:  Latencies Supported

DIMM Mechanical Characteristics

DDR2 SDRAM DIMM Type Information

DDR2 SDRAM Module Attributes

DDR2 SDRAM Device Attributes: General

Minimum Clock Cycle at CL=4

Maximum Data Access Time from Clock at CL=4

Minimum Clock Cycle Time at CL=3

Maximum Data Access Time from Clock at CL=3

Minimum Row Precharge Time (t

)

Minimum Row Active to Row Active delay (t

RRD

)

Minimum  to  delay (t

RCD

)

Minimum Active to Precharge Time (t

RAS

)

Module Rank Density

Address and Command Setup Time Before Clock (t

)

Address and Command Hold Time After Clock (t

)

Data Input Setup Time Before Clock (t

)

Data Input Hold Time After Clock (tDH)

Write Recovery Time (t

)

Internal Write to Read Command delay (t

WTR

)

Internal Read to Precharge delay (t

RTP

)

Reserved

Extension of Byte 41 t

and Byte 42 t

RFC

Minimum Core Cycle Time (t

)

Min. Auto Refresh Command Cycle Time (t

RFC

)

Maximum Clock Cycle Time (t

)

Max. DQS-DQ Skew Factor (tQHS)

Read Data Hold Skew Factor (tQHS)

46-61

Reserved

SPD Reversion

Checksum for Byte 0-62

64-71

Manufacturer’s JEDEC ID Code

Module Manufacturing Location

73-91

Module Part number

92-255

Reserved

1 2 3 4 5 6 7 8 9 10 11 12 ... 15 16

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