HYMD216646D6-K datasheet(4/30 Pages) HYNIX

Part #	HYMD216646D6-K

Description	1184pin Unbuffered DDR SDRAM DIMMs

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Manufacturer	HYNIX [Hynix Semiconductor]

Direct Link	http://www.skhynix.com/kor/main.do

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4 / 30 page

Rev. 1.2 / May. 2005

4

1184pin Unbuffered DDR SDRAM DIMMs

FUNCTIONAL BLOCK DIAGRAM

/CS0

WP

SCL

SDA

A0

A1

A2

SA0 SA1 SA2

Serial PD

*Clock Wiring

Clock Input

SDRAMs

*CK0, /CK0

*CK1, /CK1

*CK2, /CK2

NC

2 SDRAMs

*Wire per Clock Loading

Table/Wiring Diagrams

Notes :

1. DQ-to-I/O wiring is shown as recommended but may

be changed.

2. DQ/DQS/DM/CKE/S relationships must be maintained

as shown.

3. DQ, DQS, DM/DQS resistors : 22 Ohms ? 5%.

4. VDDID strap connections

(for memory device VDD, VDDQ):

STRAP OUT (OPEN) : VDD = VDDQ

STRAP IN (VSS) : VDD ?V DDQ

5. BAx, Ax, RAS, CAS, WE resistors : 7.5 Ohms ? 5%

BA0-BA1

A0-A13

/RAS

/CAS

CKE0

/WE

BA0-BA1 : SDRAMs D0-D3

A0-A13 : SDRAMs D0-D3

/RAS : SDRAMs D0-D3

/CAS : SDRAMs D0-D3

CKE : SDRAMs D0-D3

/WE : SDRAMs D0-D3

VDD SPD

VDD /VDDQ

VREF

VSS

VDDID

SPD

DO-D3

Strap:see Note 4

LDM

LDQS

D1

DQ18

DQ19

DQ20

DQ21

DQ22

DQ23

UDM

UDQS

DM3/DQS12

DQS3

DQ16

DQ17

DM2/DQS11

DQS2

I/O0

I/O1

I/O2

I/O3

I/O4

I/O5

I/O6

I/O7

I/O8

I/O9

I/O10

I/O11

I/O12

I/O13

I/O14

I/O15

/CS

DQ26

DQ27

DQ28

DQ29

DQ30

DQ31

DQ24

DQ25

LDM

LDQS

D2

DQ34

DQ35

DQ36

DQ37

DQ38

DQ39

UDM

UDQS

DM5/DQS14

DQS5

DQ32

DQ33

DM4/DQS13

DQS4

I/O0

I/O1

I/O2

I/O3

I/O4

I/O5

I/O6

I/O7

I/O8

I/O9

I/O10

I/O11

I/O12

I/O13

I/O14

I/O15

/CS

DQ42

DQ43

DQ44

DQ45

DQ46

DQ47

DQ40

DQ41

LDM

LDQS

D0

DQ2

DQ3

DQ4

DQ5

DQ6

DQ7

UDM

UDQS

DM1/DQS10

DQS1

DQ0

DQ1

DM0/DQS9

DQS0

I/O0

I/O1

I/O2

I/O3

I/O4

I/O5

I/O6

I/O7

I/O8

I/O9

I/O10

I/O11

I/O12

I/O13

I/O14

I/O15

/CS

DQ10

DQ11

DQ12

DQ13

DQ14

DQ15

DQ8

DQ9

LDM

LDQS

D3

DQ50

DQ51

DQ52

DQ53

DQ54

DQ55

UDM

UDQS

DM7/DQS16

DQS7

DQ48

DQ49

DM6/DQS15

DQS6

I/O0

I/O1

I/O2

I/O3

I/O4

I/O5

I/O6

I/O7

I/O8

I/O9

I/O10

I/O11

I/O12

I/O13

I/O14

I/O15

/CS

DQ58

DQ59

DQ60

DQ61

DQ62

DQ63

DQ56

DQ57

128MB, 16M x 64 Unbuffered DIMM: HYMD216646D[P]6[J]

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