Advertisement
5
Trace Width : 5 mils
Differential pair spacing : 7 mils.
Isolation spacing : 20 mils
SCK[0..2]
SCK#[0..2]
A
D
SCK[3..5]
SCK#[3..5]
A
Length: SCK[0..2] = SCK#[0..2]
Length: SCK[3..5] = SCK#[3..5]
Trace Width : 5 mils
SDQ[0..63]
Trace spacing : 12 mils
SCB[0..7]
SDQS[0..8]
A: 2" ~ 5"
B: 0.5" MAX
C: 0.3" ~ 0.5"
D: 0.1" ~ 0.8"
C
Trace Width : 5 mils
SMA[0..12]
Trace spacing : 12 mils
SBS[0..1]
SRAS#
A
A: 40 mils max
SCAS#
B: 2" ~ 3.5"
SWE#
C: 0.5" max
D: 0.3" ~ 0.5"
E: 0.1" ~ 0.8"
Trace Width : 5 mils
SCS#[0..1]
Trace spacing : 12 mils
SCKE[0..1]
A
A: 40 mils max
B: 2" ~ 3.5"
C: 0.5" max
B
D: 0.4" ~ 1.3"
Trace Width : 5 mils
SCS#[2..3]
Trace spacing : 12 mils
SCKE[2..3]
A
A: 40 mils max
B: 2" ~ 3.5"
C: 1.0" max
D: 0.1" ~ 0.8"
RCVENIN#
A
A
RCVENOUT#
A
MCH
5
4
A: 40 mils max
B+D: 2" ~ 6.5"
C+E: 2" ~ 7.0"
R
B
D
R
C
C
C
Rs
GND
A
B
Rs = 33 ohm +- 5%
Rs
B
C
Rs = 0 ohm +- 5%
Rs
B
C
Rs = 0 ohm +- 5%
Rs
B
C
Rs = 0 ohm +- 5%
A: 40 mils max
B
B: exactly 1"
4
3
E
RTT
DDR_VTT = 1.5V
C
D
Rtt = 47 ohm +- 5%
RTT
DDR_VTT = 1.5V
D
E
Rtt = 56 ohm +- 5%
RTT
DDR_VTT = 1.5V
D
Rtt = 47 ohm +- 5%
RTT
DDR_VTT = 1.5V
D
Rtt = 47 ohm +- 5%
DIMM1
DIMM2
3
2
1
SCK[0..2]
(A + B + D)
=
SDQS[0..8]
(A + B)
+ (1" ~ 2")
SCK#[0..2]
SCK[3..5]
(A + C + E)
=
SDQS[0..8]
(A + B + C)
+ (1" ~ 2")
SCK#[3..5]
SDQ[0..7]
SDQS0
Matching requirement is +- 25 mils to strobe
SDQ[8..15]
SDQS1
SDQ[16..23]
SDQS2
SDQ[24..31]
SDQS3
SDQ[32..39]
SDQS4
SDQ[40..47]
SDQS5
SDQ[48..55]
SDQS6
SDQ[56..63]
SDQS7
SCB[0..7]
SDQS8
SCK[0..2]
SMA[0..12]
(A + B + D)
=
(A + B + C)
+ (1" ~ 4")
SCK#[0..2]
SBS[0..1]
SCK[3..5]
SMA[0..12]
(A + C + E)
=
(A + B + C + D)
SCK#[3..5]
SBS[0..1]
SCK[0..2]
SCS#[0..1]
(A + B + D)
=
(A + B + C)
+ (1" ~ 4")
SCK#[0..2]
SCKE[0..1]
SCK[3..5]
SCS#[2..3]
(A + C + E)
=
(A + B + C)
+ (1" ~ 4")
SCK#[3..5]
SCKE[2..3]
Title
Micro-Star
MS-6507
Document Number
DDR DIMM DG
Last Revision Date:
Monday, September 24, 2001
Sheet
2
1
D
C
+ (1" ~ 4")
B
A
Rev
1.0
33
of
36
Advertisement
