JVC RC-EX30B Service Manual page 11

HY511864BJC-60 (IC206):1M X 16, Extended Data out mode
1.Terminal layout 1.Terminal layout
1 42
2 41
3 40
4 39
5 38
6 37
7
36
8 35
9 34
33
10
11 32
12 31
30
13
14 29
15 28
16 27
17 26
25
18
19 24
23
20
21 22
3.Pin function
Pin No. Symbol
1 VCC
2 DQ0
3 DQ1
4 DQ2
5 DQ3
6 VCC
7 DQ4
8 DQ5
9 DQ6
10 DQ7
11 NC
12 NC
13 /WE
14 /RAS
15 NC
16 NC
17 A0
18 A1
19 A2
20 A3
21 VCC
WE
CAS
LCAS
UCAS
No. 2 CLOCK
No.2 CLOCK
GENERATOR
COLUMN
ADORESS
BUFFER(10)
A0
A1
REFRESH
A2
CONTROLER
A3
A4
A5
A6
REFRESH
A7
COUNTER
A8
A9
ROW.
ADORESS
BUFFERS(10)
No. 1 CLOCK
1 C LOCK No.
RAS
GENERATOR
I/O Function
- Powe Supply
I/O Data In/Out
I/O Data In/Out
I/O Data In/Out
I/O Data In/Out
- Powe Supply
I/O Data In/Out
I/O Data In/Out
I/O Data In/Out
I/O Data In/Out
- Not Connect
- Not Connect
- Write enable
- Adress Strobe
- Not Connect
- Not Connect
- Adress Input
- Adress Input
- Adress Input
- Adress Input
- Power Supply
2.Block diagram 2.Block diagram
DATA-IN
CONTROL
LOGIC BUFFER
COLUMN
DECODER
1024
SENSE AMPLFIERS AMPLFIERS SENSE
I/O GATING I/O GATING
X 1 6 1024
1024 x 16
x 1 024 1024 x 1 6
1024 x 1024 x 16
MEMORY
1024
ARRAY
Pin No. Symbol
22 GND
23 A4
24 A5
25 A6
26 A7
27 A8
28 A9
29 /OE
30 /UCAS
31 /LCAS
32 NC
33 DQ8
34 DQ9
35 DQ10
36 DQ11
37 GND
38 DQ12
39 DQ13
40 DQ14
41 DQ15
42 GND
RC-EX30
DATA-OUT
BUFFER
OE
V
CC
V
SS
I/O Function
- Ground Pin
- Adress Input
- Adress Input
- Adress Input
- Adress Input
- Adress Input
- Adress Input
- Output enable
- Column adress strobe
- Column adress strobe
- Not Connect
I/O Data In/Out
I/O Data In/Out
I/O Data In/Out
I/O Data In/Out
- Ground Pin
I/O Data In/Out
I/O Data In/Out
I/O Data In/Out
I/O Data In/Out
- Ground Pin
DQ1
.
DQ16
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