AMD D900K manual DDR Termination, Sheet 6

DDR TERMINATION

Schematic Diagrams

(4,5)	MD[0..127]		MD[0..127]
			DQM[0..17]
(4,5) DQM[0..17]
			DQS[0..17]
(4,5)	DQS[0..17]
			MAA[0..13]
(4,5) MAA[0..13]
					+1.3VTT
	DQS7	RN67		8P4R-47(0402)
			8	1		C191
	MD59		7	2
	MD58		6	3
	MD57		5	4
	MD61	RN53 1		8	8P4R-47(0402)	C192
	DQM7		2	7
	MD62		3	6
	MD63		4	5
	DQS6	RN66 8		1	8P4R-47(0402)	C742
	MD50		7	2
	MD51		6	3
	MD56		5	4
	DQM6	RN52 1		8	8P4R-47(0402)	C737
	MD54		2	7
	MD55		3	6
	MD60		4	5
	DQS5	RN65 8		1	8P4R-47(0402)	C741
	MD42		7	2
	MD49		6	3
	MD48		5	4
	MD46	RN51 1		8	8P4R-47(0402)	C177
	MD47		2	7
	MD52		3	6
	MD53		4	5
	MAA13	RN62 8		1	8P4R-47(0402)	C734
	MEMCSA0		7	2
	MEMWEA#		6	3
	MEMBANKA0		5	4
	DQS4	RN63 8		1	8P4R-47(0402)	C176
	MD32		7	2
	MD34		6	3
	MD33		5	4
	MD35	RN64 8		1	8P4R-47(0402)	C735
	MD40		7	2
	MD41		6	3
	MD43		5	4
	MD39	RN50 1		8	8P4R-47(0402)	C194
	MD44		2	7
	MD45		3	6
	DQM5		4	5
	MD36	RN49 1		8	8P4R-47(0402)	C733
	MD37		2	7
	DQM4		3	6
	MD38		4	5
	MAB11	RN45 1		8	8P4R-47(0402)	C185
	MAB9		2	7
	MAB12		3	6
	MD29		4	5
		RN44 1		8	8P4R-47(0402)	C193
	DQM3		2	7
	MD30		3	6
	MD31		4	5
	DQM2	RN43 1		8	8P4R-47(0402)	C736
	MD22		2	7
	MD23		3	6
	MD28		4	5
	MAB7	RN59 8		1	8P4R-47(0402)	C739
			7	2
	MAB8		6	3
	MAA9		5	4
	MD25	RN58 8		1	8P4R-47(0402)	C182
	MD27		7	2
	MD26		6	3
	DQS3		5	4
	MD82	RN57 8		1	8P4R-47(0402)	C738
	DQS11		7	2
	MD83		6	3
	MD87		5	4
	MD10	RN56 8		1	8P4R-47(0402)	C164
	MD11		7	2
	MD81		6	3
	MD80		5	4
	MD14	RN42 1		8	8P4R-47(0402)	C165
	MD15		2	7
	MD20		3	6
	MD21		4	5
	MD3	RN55 8		1	8P4R-47(0402)	C740
	MD8		7	2
	DQS1		6	3
	MD9		5	4
	MD4	RN40 1		8	8P4R-47(0402)	C184
	MD5		2	7
	DQM0		3	6
	MD6		4	5
	MD7	RN41 1		8	8P4R-47(0402)	C183
	MD12		2	7
	MD13		3	6
	DQM1		4	5
	MD0	RN54 8		1	8P4R-47(0402)	C731
	MD1		7	2
	MD2		6	3
	DQS0		5	4
	MAA7	RN60 8		1	8P4R-47(0402)	C186
	MAB5		7	2
			6	3
	MEMRASB#		5	4

(4,5) MAB[0..13]

MAB[0..13]

+1.3VTT

DDR Termination

(3,4,34) +1.3VTT

+1.3VTT

MAA0

MD127

C938

22P

+1.3VTT

RN1

1

8

8P4R-47(0402)

C173

0.1UF_X7R

MAA1

C939

22P

MD126

2

7

MAA2

C940

22P

MAA6

MD125

3

6

MAA3

C941

22P

0.1UF_X7R

RN47 1

8

8P4R-47(0402)

C732

0.1UF_X7R

MD124

4

5

0.1UF_X7R

MAA4

C942

22P

MAA4

2

7

DQS16

RN13 8

1

8P4R-47(0402)

C180

MAA5

C943

22P

MAA2

3

6

MD120

7

2

MAA6

C944

22P

MAA0

4

5

MD122

6

3

MAA7

C945

22P

0.1UF_X7R

MEMBANKA1RN48 1

8

8P4R-47(0402)

C190

0.1UF_X7R

MD121

5

4

0.1UF_X7R

MAA8

C946

22P

MEMRASA#

2

7

+2.6VDIMM

MD119

RN2

1

8

8P4R-47(0402)

C181

MAA9

C947

22P

MEMCASA#

3

6

MD117

2

7

MAA10

C948

22P

MEMCSA1

4

5

MD118

3

6

MAA11

C949

22P

0.1UF_X7R

MAA1

RN61 8

1

8P4R-47(0402)

C189

0.1UF_X7R

C116

0.1UF_X7R

MD113

4

5

8P4R-47(0402)

MAA12

C950

22P

MAA10

7

2

MD123

RN14 8

1

MAA13

C951

22P

MEMCSB1

6

3

C120

0.1UF_X7R

DQM16

7

2

MAB0

C952

22P

MEMCASB#

5

4

MD114

6

3

MAB1

C953

22P

0.1UF_X7R

MEMCKEB0RN46 1

8

8P4R-47(0402)

C188

0.1UF_X7R

C114

0.1UF_X7R

MD115

RN6

5

4

8P4R-47(0402)

MAB2

C954

22P

MEMCKEA0

2

7

DQM13

1

8

MAB3

C955

22P

MAA11

3

6

MD102

2

7

MAB4

C956

22P

MAA8

4

5

DQS13

3

6

MAB5

C957

22P

0.1UF_X7R

MD91

RN9

1

8

8P4R-47(0402)

C187

0.1UF_X7R

MD97

4

5

0.1UF_X7R

MAB6

C958

22P

MD90

2

7

MD105

RN16 8

1

8P4R-47(0402)

C827

MAB7

C959

22P

MD93

3

6

MD107

7

2

MAB8

C960

22P

MD92

4

5

DQS14

6

3

MAB9

C961

22P

0.1UF_X7R

MD19

RN21 8

1

8P4R-47(0402)

C773

0.1UF_X7R

MD110

5

4

0.1UF_X7R

MAB10

C962

22P

MD18

7

2

MD106

RN3

1

8

8P4R-47(0402)

C583

MAB11

C963

22P

MD17

6

3

MD111

2

7

MAB12

C964

22P

DQS2

5

4

DQM14

3

6

MAB13

C965

22P

0.1UF_X7R

DQM10

RN11 1

8

8P4R-47(0402)

C175

0.1UF_X7R

C117

0.1UF_X7R

MD108

4

5

0.1UF_X7R

MEMCSA0

22P

MD79

2

7

0.1UF_X7R

DQM15

RN15 8

1

8P4R-47(0402)

C815

C966

MD77

3

6

C115

DQS15

7

2

MEMCSA1

C967

22P

MD76

4

5

MD116

6

3

MEMCSB0

C968

22P

0.1UF_X7R

MD73

RN23 8

1

8P4R-47(0402)

C167

0.1UF_X7R

C837

0.1UF_X7R

MD112

5

4

0.1UF_X7R

MEMCSB1

C969

22P

MD72

7

2

MD98

RN5

1

8

8P4R-47(0402)

C764

MEMWEA#

C970

22P

DQM9

6

3

MD96

2

7

MD67

5

4

MD100

3

6

MEMCASA#C971

22P

0.1UF_X7R

MD66

RN24 8

1

8P4R-47(0402)

MD101

4

5

8P4R-47(0402)

MEMRASA#C972

22P

DQS9

7

2

MAB2

RN17 8

1

MEMWEB#

C973

22P

MD65

6

3

MAB0

7

2

MEMCASB#C974

22P

MD64

5

4

MAA5

6

3

MEMRASB#C975

22P

0.1UF_X7R

MD84

RN10 1

8

8P4R-47(0402)

MAA3

RN4

5

4

8P4R-47(0402)

MEMCKEA0

C976

22P

MD85

2

7

MD109

1

8

DQM11

3

6

MD104

2

7

MEMCKEB0

C977

22P

MD86

4

5

MD103

3

6

0.1UF_X7R

MD71

RN12 1

8

8P4R-47(0402)

MEMCSA0

MD99

4

5

8P4R-47(0402)

MEMBANKA0 C978

22P

MD70

2

7

(4,5) MEMCSA0

MEMWEB# RN8

1

8

MEMBANKA1 C979

22P

MD69

3

6

MEMCSA1

MEMBANKB0

2

7

MEMBANKB0 C980

22P

MD68

4

5

(4,5) MEMCSA1

MEMCSB0

MAB1

3

6

MEMBANKB1 C981

22P

0.1UF_X7R

DQS10

RN22 8

1

8P4R-47(0402)

(4,5) MEMCSB0

MEMCSB1

MAB3

4

5

8P4R-47(0402)

MD78

7

2

(4,5) MEMCSB1

MEMWEA#

MD89

RN20 8

1

MD74

6

3

(4,5) MEMWEA#

MD88

7

2

MD75

5

4

MEMCASA#

MD24

6

3

0.1UF_X7R

(4,5) MEMCASA#

MEMRASA#

MD16

5

4

8P4R-47(0402)

(4,5) MEMRASA#

MEMWEB#

MD95

RN19 8

1

(4,5) MEMWEB#

MEMCASB#

MD94

7

2

(4,5) MEMCASB#

MEMRASB#

DQM12

6

3

0.1UF_X7R

LAYOUT: Place a cap every

(4,5) MEMRASB#

MEMCKEA0

DQS12

5

4

1 inch on VTT trace between

(4,5) MEMCKEA0

MEMBANKB1RN7

1

8

8P4R-47(0402)

MEMCKEB0

MAB10

2

7

Clawhammer and DDR.

(4,5) MEMCKEB0

MAB13

3

6

0.1UF_X7R

MEMBANKA0

MEMCSB0

4

5

8P4R-47(0402)

(4,5) MEMBANKA0

MAB6

RN18 8

1

MEMBANKA1

MAB4

7

2

(4,5) MEMBANKA1

MEMBANKB0

6

3

0.1UF_X7R

(4,5) MEMBANKB0

MEMBANKB1

MAA12

5

4

+1.3VTT

(4,5) MEMBANKB1

0.1UF_X7R

+1.3VTT

+2.6VDIMM

+1.3VTT

+2.6VDIMM

0.1UF_X7R

C719

0.1UF_X7R

C717

0.1UF_X7R

0.1UF_X7R

C718

0.1UF_X7R

C716

0.1UF_X7R

0.1UF_X7R

C715

0.1UF_X7R

C714

0.1UF_X7R

C713

0.1UF_X7R

C712

0.1UF_X7R

0.1UF_X7R

C711

0.1UF_X7R

C710

0.1UF_X7R

(4,5) MEMCLKB2+

MEMCLKB2+

R73

120_1%

MEMCLKB2-

MEMCLKB2-(4,5)

MEMCLKB1+

R69

120_1%

MEMCLKB1-

(4,5) MEMCLKB1+

MEMCLKB1-(4,5)

0.1UF_X7R

C709

0.1UF_X7R

C708

0.1UF_X7R

(4,5) MEMCLKA2+

MEMCLKA2+

R75

120_1%

MEMCLKA2-

MEMCLKA2-(4,5)

MEMCLKA1+

R74

120_1%

MEMCLKA1-

(4,5) MEMCLKA1+

MEMCLKA1-(4,5)

0.1UF_X7R

C707

0.1UF_X7R

C166

0.1UF_X7R

C174

0.1UF_X7R

C168

0.1UF_X7R

0.1UF_X7R

C169

0.1UF_X7R

C170

0.1UF_X7R

+2.6VDIMM

C171

0.1UF_X7R

C172

0.1UF_X7R

(3,4,5,7,34) +2.6VDIMM

Sheet 6 of 40

DDR

TERMINATION

B.Schematic Diagrams

DDR TERMINATION B - 7