Pin Descriptions - Marantz SR6005/N1SG Service Manual

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IS42S16400F-6TL (HDMI : U4401)
V
1
DD
DQ0
2
V
Q
3
DD
DQ1
4
DQ2
5
GNDQ
6
DQ3
7
DQ4
8
V
Q
9
DD
DQ5
10
DQ6
11
GNDQ
12
DQ7
13
V
14
DD
LDQM
15
WE
16
CAS
17
RAS
18
CS
19
BA0
20
BA1
21
A10
22
A0
23
A1
24
A2
25
A3
26
V
27
DD
IS42S16400F-6TL Block Diagram
CLK
CKE
COMMAND
DECODER
CAS
&
WE
CLOCK
GENERATOR
A10
REGISTER
A11
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
ROW
BA0
ADDRESS
BA1
LATCH
12
ADDRESS LATCH
8
BURST COUNTER
ADDRESS BUFFER
54
GND
53
DQ15
52
GNDQ
51
DQ14
50
DQ13
49
V
Q
DD
48
DQ12
47
DQ11
46
GNDQ
45
DQ10
44
DQ9
43
V
Q
DD
42
DQ8
41
GND
40
NC
39
UDQM
38
CLK
37
CKE
36
NC
35
A11
34
A9
33
A8
32
A7
31
A6
30
A5
29
A4
28
GND
REFRESH
MODE
CONTROLLER
12
REFRESH
CONTROLLER
REFRESH
COUNTER
12
COLUMN
COLUMN

PIN DESCRIPTIONS

A0-A7
CS
RAS
CAS
WE
V
DD
DDQ
Q
SELF
12
ROW
ADDRESS
BUFFER
BANK CONTROL LOGIC
149
Column Address Input
Chip Select
Column Address Strobe Command
DQM
DATA IN
BUFFER
16
16
DQ 0-15
V
DD
DATA OUT
GND/GNDQ
BUFFER
16
16
4096
4096
MEMORY CELL
4096
ARRAY
4096
SENSE AMP I/O GATE
256K
(x 16)
COLUMN DECODER
8
/V
DDQ

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