Sanyo DC-DA1200V, Руководство пользователя

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IC BLOCK DIAGRAM & DESCRIPTION
IC190 MSM51V18165F-60TS-K (DRAM)
RAS
LCAS
DCAS
WE OE
A0-A9
V
CC
V
SS
DQ1-DQ8
DQ9-DQ10
10 10
10 10
8 8
8 8
8 8
8 8
16
16
Timing
Generator
Column
Address
Buffers
Output
Buffers
Output
Buffers
Input
Buffers
Input
Buffers
Row
Address
Buffers
Internal
Address
Counter
Refresh
Control Clock
Row
Deco-
ders
Word
Drivers
I/O
Controller
I/O
Selector
I/O
Controller
Column Decoders
Sense Amplifiers
Memory
Cells
On Chip
Vss Generator
On Chip
IVcc Generator
1
50
2
49
3
48
4
47
5
46
6
45
7
44
8
43
9
42
10
41
11
40
15
36
16
35
17
34
18
33
19
32
20
31
21
30
22
29
23
28
24
27
25
26
Vcc
DG1 DG2 DG3 DG4
Vcc
DG5 DG6 DG7 DG8
NC
Vss DG16 DG15 DG14 DG13 Vss DG12 DG11 DG10 DG9 NC NC LCAS UCAS OE A9 A8 A7 A6 A5 A4 Vss
NC NC
WE
RAS
NC NC
A0 A1 A2 A3
Vcc
Note ; The same power supply voltage must be provided to
every Vcc pin, and the same GND voltage level must be
provided to every Vss pin.
Pin Name
A0-A9
RAS
LCAS
UCAS
DG1-DG16
OE
WE
Vcc
Vss
NC
Function
Address Input
Row Address Strobe
Lower Byte Column Address Strobe
Upper Byte Column Address Strobe
Data Input / Data Output
Output Enable
Write Enable
Power Supply (3.3V)
Ground (0V)
No Connection
5
7
6
4 8
14 15
11
10
9
VCC1 VCC2
IN-1
IN-2
NF1
NF2
RIPPLE
TERMINAL
B.S.1
B.S.2
OUT-1
OUT-2
POWER
GND
Ch-1
-
+
3
2
12
13
Ch-2
-
+
PRE
GND1
PRE
GND2
BIAS CIRCUIT
THERMAL CUT-OFF
PROTECTION
IC412 TA8229K (Audio Power IC)
1. INPUT
2. COMMON
3. OUTPUT
1 2 3
IC446 KIA7805API (5V. Regulator)