Sanyo DC-MCR350M, Руководство по обслуживанию, Страница: 14 / 30

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IC BLOCK DIAGRAM & DESCRIPTION
1 44
V
SS
V
CC
12 33 NC NC
NC
17 28
A8
29
NC
16
A9
18 27
A7 A0
19 26
A6 A1
20 25
A5 A2
24 21
A4 A3
23 22
V
SS
V
CC
32 NC 13 CASL
31 14
WE CASH
30 15
RAS OE
6 39
V
CC
V
SS
2 43
I/O0 I/O15
3 42
I/O1 I/O14
4 41
I/O2 I/O13
5 40
I/O3 I/O12
7 38
I/O4 I/O11
8 37
I/O5 I/O10
9 36
I/O6 I/O9
10 35
I/O7 I/O8
TSOP(Type ll) Top View
11 34
NC NC
1024 x 1024 x 16
MEMORY
ARRAY
SENSE AMPLIFIERS
I/O GATING
ROW
DECODER
COLUMN
DECODER
1024
1024
1024 x16
CLOCK
GENERATOR
COLUMN
ADDRESS
BUFFER
REFRESH
CONTROLER
REFRESH
COUNTER
ROW
ADDRESS
BUFFER(10)
CONTROL
LOGIC
DATA-IN BUFFER
WE
RAS
CASL
CASH
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
OE
IO0
:
:
IO15
16
16
16
10
10
10
10
9
10
DATA-OUT
BUFFER
Vss
Vss GENERATOR
Vcc
PIN NO. PIN NAME TYPE DESCRIPTION
17-20, 23-28 A0-A9PP Input
Address Input Row Address : A0 - A9
Column Address : A0 - A9
14
RAS
Input Row Address Strobe
30
CASH
Input Column Address Strobe / Upper Byte Control
31 CASL Input Column Address Strobe / Lower Byte Control
13 WE Input Write Enable
29 OE Input Output Enable
2-5, 7-10, 33-36, 38-41 I/O0 - I/O15 Input / Output Data Input / Output
1, 6, 21 VCC Supply Power (3.3V)
22, 37, 42 VSS Ground Ground
11, 12, 15, 16, 32 NC - - - No Connect
IC190 M11L16161SA-45T (DRAM)
BCK
WS
DIN
GND
RCH
NC
LCH
VDD
1
2
3
4
8
7
6
5
Pin Name
BCK
WS
DIN
GND
VDD
LCH
NC
RCH
I/O
I
I
I
-
Power
O
-
O
Description
Bit Serial Clock Input Pin
Word Select Input Pin
Date Input Pin
Ground
Positive Power Supply
Left Channel Output Pin
No Connection
Right Channel Output Pin
No.
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
BCK
WS
DIN
GND
RCH
NC
LCH
VDD
OUT
OUT
OUT
DAC
DAC
Vcc
Data Latch
Floating
Conversion
Floating
Conversion
op
+
-
op
+
-
op
+
-
IC170 PT8211S (Digital to Analog Converter)
1 4 5 2 3
IC443 BA7755A (Rec/Play Switch)