Philips es1e, Service Manual

Page: 49 / 104

Circuit Diagrams and PWB Layouts 49 ES1E AA 7.
SSB: Control-Memory Interface (SDRAM)
1M x 16
1M x 16
1M x 16
1M x 16
BANK
SELECT
OUTPUT BUFFER
VSS VSSQ
TIMING REGISTER
NC
ADDRESS REGISTER
LCKE
BURST LENGTH
LATENCY &
DECODER
COLUMN
LWCBR
LCAS
LWE
REGISTER
COL. BUFFER
LQDM
ROW DECODER
REFRESH COUNTER
ROW BUFFER
LDQM
LWE
I/O CONTROL
SENSE AMP
LRAS
VDD VDDQ
LCBR
DATA INPUT
REGISTER
PROGRAMMING
LRAS
LCBR
SDRAM
2733
100n
F730 D2
7730 B6
N.C.
2734 B7
3737 E4
5730 A6
5731 A7
B
C
D
E
F
2730 B6
2731 B6
2732 B5
7 8
A
7300-I B2
1 3 4 5 2
F
A
220R
E
CONTROL-MEMORY INTERFACE (SDRAM)
6
7 6
2733 B7
1
B
C
D
4
8
5
100Mhz /
220R
3 2
100Mhz /
2731
100n
5730
2732
VDDE
100n 100n
2734
52
16 WE_
3737
33R
RAS_
39 UDQM
1 14 27 3 9 43 49
28 41 54 6 12 46
47
DQ12 48
DQ13 50
DQ14 51
DQ15 53
5 DQ2
7 DQ3
8 DQ4
10 DQ5
11 DQ6
13 DQ7
DQ8 42
DQ9 44
LDQM 15
36
NC|RFU 40
18
26
A4 29
A5 30
A6 31
A7 32
A8 33
A9 34
20 BA0
BA1 21
17 CAS_
CKE 37
CLK 38
CS_ 19
2 DQ0
4 DQ1
DQ10 45
DQ11
SDRAM-RASN
A14
SDRAM-UDQM
A23
SDRAM-WEN
7730
K4S641632D
A0 23
A1 24
22 A10|AP
A11 35
A2 25
A3
SDRAM-D10
B15
SDRAM-D11
C15
SDRAM-D12
C16
SDRAM-D13
A16
SDRAM-D14
A17
SDRAM-D15
C26
SDRAM-D2
A25
SDRAM-D3
C24
SDRAM-D4
B24
SDRAM-D5
A24
SDRAM-D6
C23
SDRAM-D7
B14
SDRAM-D8
C14
SDRAM-D9
B23
SDRAM-LDQM
A22
SDRAM-A3
C18
SDRAM-A4
B18
SDRAM-A5
A18
SDRAM-A6
C17
SDRAM-A7
B17
SDRAM-A8
C11
SDRAM-A9
B21
SDRAM-BS0
A21
SDRAM-BS1
C22
SDRAM-CASN
C12
SDRAM-CKE
C13
SDRAM-CLK-IN
A13
SDRAM-CLK-OUT
C21
SDRAM-CSN
B26
SDRAM-D0
C25
SDRAM-D1
A15
ADOC
7300-I
B20
SDRAM-A0
A20
SDRAM-A1
C20
SDRAM-A10
A12
SDRAM-A11
B12
SDRAM-A12
C19
SDRAM-A2
A19
VDDE
5731
2730
F730
100n
SD(11)
SD(10)
SD(9)
SD(8)
SD(7)
SD(6)
SD(5)
SD(4)
SD(3)
SD(2)
SD(1)
SD(0)
SD(0)
SD(1)
SD(2)
SD(3)
SD(4)
SD(5)
SD(6)
SD(7)
SD(8)
SD(9)
SD(10)
SD(11)
SD(12)
SD(13)
SD(14)
SD(15)
SA(11)
SA(10)
SA(9)
SA(8)
SA(7)
SA(6)
SA(5)
SA(4)
SA(3)
SA(2)
SA(1)
SA(0)
SA(0)
SA(1)
SA(2)
SA(3)
SA(4)
SA(5)
SA(6)
SA(7)
SA(8)
SA(9)
SA(10)
SA(11)
SD(15)
SD(14)
SD(13)
SD(12)
CL 36532058_034.eps
030903
3139 123 5536.2