Samsung HLRS078WX/XAA Service Manual page 93

Schematic Diagram
10-3-5 DMD-5
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SLAVE RDRAM / FLASH
S FLADDR(0:19)
S FL WEZ
L_
S PUM ARSTZ
\s FLADDRrlS_
_s FLADDR(12_
I0500
M29W800DB70N6
1
6
7
8
9
12
13"
14
_£ FI ADDR(18/ 16
_s F_DDR(17_ 17
_S F_DDR_7)
18
IA 7
_S F_DDR(6_
20_19 1 A6
_s F_DDR{4) 21 IA4_
_S F_DDR(3_ 22 IA3
_ FLADDR(2 / 23 IIA2
_S FLADDR(I ) 24 AI
DGT3.3V
(CIM21J600NE, 60 OHM, 0.5A, 0805)
(20MILS, OR WIDER)
(EQUAL LENGTH)
S REFCLK _ 2
S SCLKN _ 7
S_CLKM 6
DGT2.5V
IB
R535 23
Kohm
12
11
DGT2.5V
10
7_7
(20MILS, OR WIDER)
( CHANNEL IMPEDANCE : 40 OHM)
(TRACE THICKNESS : 10Z CU)
(LENGTH OF LOADED SEGMENT : 748 MILS)
oooo
>>>>
REFCLK
SYNCLKN
PCLKM
MU_0 IC502
MU_I CDCR83
so
Sl
s2
PWRDNB
STOPB
VDDIR
VDDfPD
ooooo
zzzzz
(TRACE WIDTH FOR UNLOADED SECTION : 10.4 MILS -> DEPENDENT ON VENDOR)
(MINIMUM UNLOADED PITCH : 80 MILS)
(FINISHED DIELECTRIC THICKNESS : 8 MILS -> DEPENDENT ON VENDOR))
CLK
CLKB
(PAIR, IMPENDANCE: UNLOADED :40 OHM, LOADED:60.6 OHM)
(ROUTING: CDCR83-> RDRAM(CTM) -> DDP1010(CFM) -> RDRAM -> TERMINATION RESISTOR))
(RSL : RQ(0:7), RQA(0:8), RQB(0:8), RD CTM, RD CTMN, RD CFM, RD CFMN, RD CMD, RDSCK)
(50 OHM IMPEDANCE : RD REFCLK, RDSCLKN, RD PCLKN)
(ALL RSL SIGNALS, SCK, CMD, DIFF CLOCK PAIRS MUST HAVE MATCHED ELECTRICAL LENGTH)
DGT3.3V
i BD501
11.5uH
C512
100nF
S FLDATA(0:15)
R533 R534
_V_7_y _ 6 2ohm _ S C'I-M
110ohm _ __
c524
c8_
47pF
R588
110ohm
DGT3.3V
IC503
FAN 1117AD- 1.8
+ 0544 ADJ
18v 77_
77,7
DGT2.5V
SRDRAM1.8V
R500 39.2ohm
39.2ohm
39.2ohm
39.2ohm
39.2ohm
39"2°hii
S RQ(0:7)
s RQ(0)
S RQ(I)
S RQ(3)
S RQ(4)
s RQ(5)
S RQ(6)
S RQ(7)
GI
FS
, E2
_1R52t _ (5-10MIL) S SIO
S CMD
m S SCK
S CTM
S CTMN
S CFM
S CFMN [_>--
S VREF RDRAM
528
100_F
(POWERISLAND)
oooooo
> > > > > >
R_ NC2
RQI DQB7
RO2 DQ_
RQ3 DQB5
R_ DQB4
RQ5 DQB3
IC501
R_ DQ_
K4R271669B-SCK8
RQ_ DQBI
DQB0
S_OI
S_O0
SRDRAM1.8V
R501 39.2ohm
39.2ohlt_
39.2ohlt_
39.2ohltl
39.2ohm
39.2ohm 1
39.2oh!!
Jl
J7
He
H7
HI
G2
G6
G7
(RDRAM FOR SHORT CHANNEL, 54PIN)
S DQB(0:8)
(PLACE NEAR DDP1010)
_/_ R539 110ohl i
C526 C527
100nF 100nF
(50MILS, OR WIDER)
fiT//
////
SRDRAM1.8V
C531 C533 C535 C537 C539 C541 10MILS, OR NARROWER)
88oh_
C545 + - C543
82uF 100_F
6.3V
S VREF ASIC
(25MILS, OR WIDER)
S VREF RDRAM
SamsungElectronics 10-32