Kurzweil K2600 Series Service Manual
7-14
DSP Board–FX Delay RAM (4 of 5)
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
A
B
C
D
A
B
C
D
DGND
U30
1M/4Mx16 DRAM
26 39 45 50
21
A0/A2
22
A1/A3
23
A2/A4
24
A3/A5
27
A4/A6
28
A5/A7
29
A6/A8
30
A7/A9
31
A8/A10
32
A9/A11
2
D00
3
D01
4
D02
5
D03
7
D04
8
D05
9
D06
10
D07
41
D08
42
D09
43
D10
44
D11
46
D12
47
D13
48
D14
49
D15
19
NC/A0
20
NC/A1
1
VCC1
6
VCC2
12
VCC3
25
VCC4
35
LCAS1M
38
LCAS4M
33
OE1M
36
OE4M
18
RAS1M
14
RAS4M
34
UCAS1M
37
UCAS4M
17
W1M
13
W4M
DGND
U32
1M/4Mx16 DRAM
26 39 45 50
21
A0/A2
22
A1/A3
23
A2/A4
24
A3/A5
27
A4/A6
28
A5/A7
29
A6/A8
30
A7/A9
31
A8/A10
32
A9/A11
2
D00
3
D01
4
D02
5
D03
7
D04
8
D05
9
D06
10
D07
41
D08
42
D09
43
D10
44
D11
46
D12
47
D13
48
D14
49
D15
19
NC/A0
20
NC/A1
1
VCC1
6
VCC2
12
VCC3
25
VCC4
35
LCAS1M
38
LCAS4M
33
OE1M
36
OE4M
18
RAS1M
14
RAS4M
34
UCAS1M
37
UCAS4M
17
W1M
13
W4M
DGND
U29
1M/4Mx16 DRAM
26 39 45 50
21
A0/A2
22
A1/A3
23
A2/A4
24
A3/A5
27
A4/A6
28
A5/A7
29
A6/A8
30
A7/A9
31
A8/A10
32
A9/A11
2
D00
3
D01
4
D02
5
D03
7
D04
8
D05
9
D06
10
D07
41
D08
42
D09
43
D10
44
D11
46
D12
47
D13
48
D14
49
D15
19
NC/A0
20
NC/A1
1
VCC1
6
VCC2
12
VCC3
25
VCC4
35
LCAS1M
38
LCAS4M
33
OE1M
36
OE4M
18
RAS1M
14
RAS4M
34
UCAS1M
37
UCAS4M
17
W1M
13
W4M
DGND
U31
1M/4Mx16 DRAM
26 39 45 50
21
A0/A2
22
A1/A3
23
A2/A4
24
A3/A5
27
A4/A6
28
A5/A7
29
A6/A8
30
A7/A9
31
A8/A10
32
A9/A11
2
D00
3
D01
4
D02
5
D03
7
D04
8
D05
9
D06
10
D07
41
D08
42
D09
43
D10
44
D11
46
D12
47
D13
48
D14
49
D15
19
NC/A0
20
NC/A1
1
VCC1
6
VCC2
12
VCC3
25
VCC4
35
LCAS1M
38
LCAS4M
33
OE1M
36
OE4M
18
RAS1M
14
RAS4M
34
UCAS1M
37
UCAS4M
17
W1M
13
W4M
J902
5V/3V
2
1
3
DGND
U26
1Mx16 DRAM
22 37 42
17
A0
18
A1
19
A2
20
A3
23
A4
24
A5
25
A6
26
A7
27
A8
28
A9
2
D00
3
D01
4
D02
5
D03
7
D04
8
D05
9
D06
10
D07
33
D08
34
D09
35
D10
36
D11
38
D12
39
D13
40
D14
41
D15
1
VCC1
6
VCC2
21
VCC3
31
LCAS
29
OE
14
RAS
30
UCAS
13
W
DGND
U27
1Mx16 DRAM
22 37 42
17
A0
18
A1
19
A2
20
A3
23
A4
24
A5
25
A6
26
A7
27
A8
28
A9
2
D00
3
D01
4
D02
5
D03
7
D04
8
D05
9
D06
10
D07
33
D08
34
D09
35
D10
36
D11
38
D12
39
D13
40
D14
41
D15
1
VCC1
6
VCC2
21
VCC3
31
LCAS
29
OE
14
RAS
30
UCAS
13
W
DGND
U25
1Mx16 DRAM
22 37 42
17
A0
18
A1
19
A2
20
A3
23
A4
24
A5
25
A6
26
A7
27
A8
28
A9
2
D00
3
D01
4
D02
5
D03
7
D04
8
D05
9
D06
10
D07
33
D08
34
D09
35
D10
36
D11
38
D12
39
D13
40
D14
41
D15
1
VCC1
6
VCC2
21
VCC3
31
LCAS
29
OE
14
RAS
30
UCAS
13
W
DGND
U28
1Mx16 DRAM
22 37 42
17
A0
18
A1
19
A2
20
A3
23
A4
24
A5
25
A6
26
A7
27
A8
28
A9
2
D00
3
D01
4
D02
5
D03
7
D04
8
D05
9
D06
10
D07
33
D08
34
D09
35
D10
36
D11
38
D12
39
D13
40
D14
41
D15
1
VCC1
6
VCC2
21
VCC3
31
LCAS
29
OE
14
RAS
30
UCAS
13
W
R117
1K
12
R115
1K
12
R114
1K
12
R118
1K
12
R120
1K
12
R116
1K
12
R113
1K
12
R119
1K
12
C100
.1uF
12
C106
.1uF
12
C104
.1uF
12
C102
.1uF
12
C108
.1uF
12
C114
.1uF
12
C112
.1uF
12
C110
.1uF
12
C99
.1uF
12
C105
.1uF
12
C103
.1uF
12
C101
.1uF
12
C107
.1uF
12
C113
.1uF
12
C111
.1uF
12
C109
.1uF
12
YOUNG CHANG CO., LTD.
of Young Chang Co., Ltd. is prohibited.
Reproduction without the express written consent
Filename:
Doc:
Mfg:
Eng:
Sht
By:
Date:
of
Rev:
K2600 DSP Engine
FX Delay RAM
Mike Richmond
021205 RCV0
021205C0 8/4/99
04 05
BDLY1D[23:00] {3-A8}
BL1RAS {3-C5,C7}
BL1CAS {3-C5,C7}
BL1W {3-C5,C7}
BDLY1D[15]
BDLY1D[15] BDLY1D[14]
BDLY1D[14] BDLY1D[13]
BDLY1D[13] BDLY1D[12]
BDLY1D[12] BDLY1D[11]
BDLY1D[11] BDLY1D[10]
BDLY1D[10] BDLY1D[09]
BDLY1A[09] BDLY1D[09] BDLY1A[09] BDLY1D[08]
BDLY1A[08] BDLY1D[08] BDLY1A[08] BDLY1D[07] BDLY1D[23]
BDLY1A[09] BDLY1A[09]
BDLY1A[07] BDLY1D[07] BDLY1A[07] BDLY1D[23] BDLY1D[06] BDLY1D[22]
BDLY1A[08] BDLY1A[08]
BDLY1A[06] BDLY1D[06] BDLY1A[06] BDLY1D[22] BDLY1D[05] BDLY1D[21]
BDLY1A[07] BDLY1A[07]
BDLY1A[05] BDLY1D[05] BDLY1A[05] BDLY1D[21] BDLY1D[04] BDLY1D[20]
BDLY1A[06] BDLY1A[06]
BDLY1A[04] BDLY1D[04] BDLY1A[04] BDLY1D[20] BDLY1D[03] BDLY1D[19]
BDLY1A[05] BDLY1A[05]
BDLY1A[03] BDLY1D[03] BDLY1A[03] BDLY1D[19] BDLY1D[02] BDLY1D[18]
BDLY1A[04] BDLY1A[04]
BDLY1A[02] BDLY1D[02] BDLY1A[02] BDLY1D[18] BDLY1D[01] BDLY1D[17]
BDLY1A[03] BDLY1A[03]
BDLY1A[01] BDLY1D[01] BDLY1A[01] BDLY1D[17] BDLY1D[00] BDLY1D[16]
BDLY1A[02] BDLY1A[02]
BDLY1A[00] BDLY1D[00] BDLY1A[00] BDLY1D[16]
BDLY1A[01] BDLY1A[01]
BDLY1A[00] BDLY1A[00]
BDLY1A[09] BDLY1A[09]
BDLY1A[08] BDLY1A[08]
VCC +3
BDLY1A[09:00] {3-A8}
DRAMPWR
BDLY2D[23:00] {3-A8}
BL2RAS {3-C5,C7}
BL2CAS {3-C5,C7}
BL2W {3-C5,C7}
BDLY2D[15]
BDLY2D[15] BDLY2D[14]
BDLY2D[14] BDLY2D[13]
BDLY2D[13] BDLY2D[12]
BDLY2D[12] BDLY2D[11]
BDLY2D[11] BDLY2D[10]
BDLY2D[10] BDLY2D[09]
BDLY2A[09] BDLY2D[09] BDLY2A[09] BDLY2D[08]
BDLY2A[08] BDLY2D[08] BDLY2A[08] BDLY2D[07] BDLY2D[23]
BDLY2A[09] BDLY2A[09]
BDLY2A[07] BDLY2D[07] BDLY2A[07] BDLY2D[23] BDLY2D[06] BDLY2D[22]
BDLY2A[08] BDLY2A[08]
BDLY2A[06] BDLY2D[06] BDLY2A[06] BDLY2D[22] BDLY2D[05] BDLY2D[21]
BDLY2A[07] BDLY2A[07]
BDLY2A[05] BDLY2D[05] BDLY2A[05] BDLY2D[21] BDLY2D[04] BDLY2D[20]
BDLY2A[06] BDLY2A[06]
BDLY2A[04] BDLY2D[04] BDLY2A[04] BDLY2D[20] BDLY2D[03] BDLY2D[19]
BDLY2A[05] BDLY2A[05]
BDLY2A[03] BDLY2D[03] BDLY2A[03] BDLY2D[19] BDLY2D[02] BDLY2D[18]
BDLY2A[04] BDLY2A[04]
BDLY2A[02] BDLY2D[02] BDLY2A[02] BDLY2D[18] BDLY2D[01] BDLY2D[17]
BDLY2A[03] BDLY2A[03]
BDLY2A[01] BDLY2D[01] BDLY2A[01] BDLY2D[17] BDLY2D[00] BDLY2D[16]
BDLY2A[02] BDLY2A[02]
BDLY2A[00] BDLY2D[00] BDLY2A[00] BDLY2D[16]
BDLY2A[01] BDLY2A[01]
BDLY2A[00] BDLY2A[00]
BDLY2A[09] BDLY2A[09]
BDLY2A[08] BDLY2A[08]
BDLY2A[09:00] {3-A8}
Only one set of DRAMs can be used. Either set can be +3.3V or +5.0V.
This set of four DRAMs are for TSOP50[44]-400 parts.This set of four DRAMs are for SOJ42-400 parts.
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