Marantz SA-15S1, Service Manual

Page: 59 / 76

3-21
IC503: M11L16161SA-45T
PIN DESCRIPTIONS
10
1 Vcc
I/O0
I/O1
I/O2
I/O3
Vcc
I/O4
I/O5
I/O6
I/O7
NC
NC
NC
WE
RAS
NC
NC
A0
A1
A2
A3
Vcc
Vss
I/O15
I/O14
I/O13
I/O12
Vss
I/O11
I/O10
I/O9
I/O8
NC
NC
CASL
CASR
OE
A9
A8
A7
A6
A5
A4
Vss
2
3
4
5
6
7
8
9
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
PIN NO.
PIN NAME TYPE DESCRIPTION
(SOJ Package)
17~20,23~28 A0~A9
Address Input
Row Address:A0~A9
Column Address:A0~A9
Input
14
RAS
Row Address Strobe Input
30
CASH
Column Address Strobe/Upper Byte Control Input
31
CASL
Column Address Strobe/Lower Byte Control Input
13
WE
Write Enable Input
29
OE
Output Enable Input
1,6,21
Vcc
Power,(5V or 3.3V) Supply
22,37,42
Vss
Ground Ground
11,12,15,16,32
NC
No Connect -
2~5,7~10,
33~36,38~41
I/O0~I/O15
Data Input/Output
Input/Output