M393B2K70DM0 datasheet(7/56 Pages) SAMSUNG

Part #	M393B2K70DM0

Description	240pin Registered DIMM based on 2Gb D-die

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Manufacturer	SAMSUNG [Samsung semiconductor]

Direct Link	http://www.samsung.com/Products/Semiconductor

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datasheet

DDR3 SDRAM

Rev. 1.3

Registered DIMM

5. Pin Description

NOTE :

* The VDD and VDDQ pins are tied common to a single power-plane on these designs.

6. ON DIMM Thermal Sensor

SCL

SDA

WP/EVENT

SA0

SA1

SA2

SA0

SA1

SA2

EVENT

R1

0

Ω

R2

0

Ω

NOTE : 1. All Samsung RDIMM support Thermal sensor on DIMM

2. When the SPD and the thermal sensor are placed on the module, R1 is placed but R2 is not.

When only the SPD is placed on the module, R2 is placed but R1 is not.

[ Table 1 ] Temperature Sensor Characteristics

Pin Name

Description

Number

Pin Name

Description

Number

CK0

Clock Input, positive line

1

ODT[1:0]

On Die Termination Inputs

2

CK0

Clock Input, negative line

1

DQ[63:0]

Data Input/Output

64

CKE[1:0]

Clock Enables

2

CB[7:0]

Data check bits Input/Output

8

RAS

Row Address Strobe

1

DQS[8:0]

Data strobes

9

CAS

Column Address Strobe

1

DQS[8:0]

Data strobes, negative line

9

WE

Write Enable

1

DM[8:0]/

DQS[17:9]

TDQS[17:9]

Data Masks/ Data strobes,

Termination data strobes

9

S[3:0]

Chip Selects

4

DQS[17:9]

TDQS[17:9]

Data strobes, negative line, Termination data

strobes

9

A[9:0],A11,

A[15:13]

Address Inputs

2\14

RFU

Reserved for Future Use

2

A10/AP

Address Input/Autoprecharge

1

EVENT

Reserved for optional hardware temperature

sensing

1

A12/BC

Address Input/Burst chop

1

TEST

Memory bus test toll (Not Connected and Not

Usable on DIMMs)

1

BA[2:0]

SDRAM Bank Addresses

3

RESET

Register and SDRAM control pin

1

SCL

Serial Presence Detect (SPD) Clock Input

1

VDD

Power Supply

22

SDA

SPD Data Input/Output

1

VSS

Ground

59

SA[2:0]

SPD Address Inputs

3

VREFDQ

Reference Voltage for DQ

1

Par_In

Parity bit for the Address and Control bus

1

VREFCA

Reference Voltage for CA

1

Err_Out

Parity error found on the Address and Control

bus

1

VTT

Termination Voltage

4

VDDSPD

SPD Power

1

Total

240

Grade

Range

Temperature Sensor Accuracy

Units

NOTE

Min.

Typ.

Max.

B

75 < Ta < 95

-

+/- 0.5

+/- 1.0

°C

-

40 < Ta < 125

-

+/- 1.0

+/- 2.0

-

-20 < Ta < 125

-

+/- 2.0

+/- 3.0

-

Resolution

0.25

°C /LSB

-

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