Marantz DV4300, Руководство по обслуживанию

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43
U202:SST39VF080
SST39LF/VF080 SST39LF/VF016
A16
A15
A14
A13
A12
A11
A9
A8
WE#
NC
NC
NC
A18
A7
A6
A5
A4
A3
A2
A1
A16
A15
A14
A13
A12
A11
A9
A8
WE#
NC
NC
NC
A18
A7
A6
A5
A4
A3
A2
A1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 A17
VSS
NC
A19
A10
DQ7
DQ6
DQ5
DQ4
VDD
VDD
NC
DQ3
DQ2
DQ1
DQ0
OE#
VSS
CE#
A0 40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
Standard Pinout
Top View
Die Up
SST39LF/VF160 SST39LF/VF080
A17
VSS
A20
A19
A10
DQ7
DQ6
DQ5
DQ4
VDD
VDD
NC
DQ3
DQ2
DQ1
DQ0
OE#
VSS
CE#
A0
Y-Decoder
I/O Buffers and Data Latches
Address Buffer & Latches
X-Decoder
DQ7 - DQ0
Memory
Address
OE#
CE#
WE#
SuperFlash
Memory
Control Logic
Symbol Pin Name Functions
A
MS
-A
0
Address Inputs To provide memory addresses. During Sector-Erase A
MS
-A
12
address
lines will select the sector. During Block-Erase A
MS
-A
16
address lines
will select the block.
DQ
7
-DQ
0
Data Input/output To output data during Read cycles and receive input data during Write
cycles. Data is internally latched during a Write cycle. The outputs are in
tri-state when OE# or CE# is high.
CE# Chip Enable To activate the device when CE# is low.
OE# Output Enable To gate the data output buffers.
WE# Write Enable To control the Write operations.
V
DD
Power Supply To provide power supply voltage: 3.0-3.6V for SST39LF080/016
2.7-3.6V for SST39VF080/016
Vss Ground
NC No Connection Unconnected pins.
Note: A
MS
= Most significant address
A
MS
= A
19
for SST39LF/VF080 and A
20
for SST39LF/VF016.