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M2Y2G64CB8HC5N / M2Y2G64CB8HC9N

2GB: 256M x 64

Unbuffered DDR3 SDRAM DIMM

REV 1.1 6

01/2010

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

Serial Presence Detect -- Part 1 of 2 (2GB)

256Mx64 2 Ranks UNBUFFERED DDR3 SDRAM DIMM based on 128Mx8, 8Banks, 8K Refresh, 1.5V DDR3 SDRAMs with SPD

Byte

Description

SPD Entry Value

Serial PD Data Entry

(Hexadecimal)

Note

-BE

-CG

-BE

-CG

CRC range, EEPROM bytes, bytes used

CRC Covers Bytes: 0~116,

Total SPD Bytes: 256,

SPD Bytes Used: 176,

SPD revision

Revision 1.0

DRAM device type

DDR3 SDRAM

Module type (form factor)

UDIMM

SDRAM Device density and banks

8 banks, 1Gb

SDRAM device row and column count

14 rows, 10 columns

Module minimum nominal voltage

1.5V

Module ranks and device DQ count

2 ranks, 8 bits

ECC tag and module memory Bus width

Non ECC, 64bits

Fine timebase dividend/divisor (in ps)

2.5ps

Medium timebase dividend

1ns

Medium timebase divisor

8ns

Minimum SDRAM cycle time (tCKmin)(ns)

1.875ns

1.5ns

Reserved

Undefined

CAS latencies supported

6,7,8

6,7,8,9

CAS latencies supported

Undefined

Minimum CAS latency time (tAAmin)(ns)

13.125ns

Minimum write recovery time (tWRmin)

15ns

Minimum -to- delay (tRCDmin)(ns)

13.125ns

Minimum Row Active to Row Active delay (tRRDmin)(ns)

7.5ns

6ns

Minimum row Precharge delay (tRPmin)(ns)

13.125ns

Upper nibble for tRAS and tRC

1,1

Minimum Active-to-Precharge delay (tRASmin)(ns)

37.5ns

36ns

Minimum Active-to-Active/Refresh delay (tRCmin)(ns)

50.625ns

49.125ns

Minimum refresh recovery delay (tRFCmin) LSB

(Combo bytes 24,25)

Minimum refresh recovery delay (tRFCmin) MSB

110ns

Minimum internal Write-to-Read command delay (tWTRmin)

7.5ns

Minimum internal Read-to-Precharge command delay

(tRTPmin)

7.5ns

Minimum four active window delay (tFAWmin) LSB

(Combo byte 28, 29)

Minimum four active window delay (tFAWmin) MSB

37.5ns

30ns

SDRAM device output drivers suported

RZQ / 7,

DLL-Off Mode Support,

SDRAM device thermal and refresh options

Extended Temperature Range,

ASR,

Module thermal sensor

Non Thermal Sensor Support

SDRAM device type

Standard Monolithic Device

34-59

Reserved

Undefined

Module height (nominal)

29 ＜ height ≦ 30 mm

1 2 3 4 5 6 7 8 9 10 11 ... 16 17

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