1-56 (No.22023)
6.34 SST39VF160-7CEK (IC509) : 16 Mbit multi-purpose flash memory
• Pin layout
• Block diagram
• Pin function
Pin
No.
Symbol
I/O
Function
1-9
A15-A8,A19
I
Address inputs : To provide memory addresses.
During Sector-Erase A19-A11 address lines will select the sector.
During Block-Erase, A19-A15 address line will select the block.
10
NC
-
No connection : Unconnected pins
11
WE#
I
Write Enable : To control the Write operations
12-15
NC
-
No connection : Unconnected pins
16-25
A18,A17,A7-A0
I
Address inputs : To provide memory addresses.
During Sector-Erase A19-A11 address lines will select the sector.
During Block-Erase, A19-A15 address line will select the block.
26
CE#
I
Chip Enable : To activate the device when CE# is low.
27
VSS
-
Ground
28
OE#
I
Output Enable : To gate the data output buffers
29-36
DQ0,DQ8,DQ1
DQ9,DQ2,DQ10
DQ3,DQ11
I/O 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.
37
VDD
-
Power supply : To provide power supply voltage (2.7-3.6V)
38-45
DQ4,DQ12,DQ5
DQ13,DQ6,DQ14
DQ7,DQ15
I/O 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.
46
VSS
-
Ground
47
NC
-
No connection : Unconnected pins
48
A16
I
Address input : To provide memory address.
During Sector-Erase A19-A11 address lines will select the sector.
During Block-Erase, A19-A15 address line will select the block.
Top view
A15
A14
A13
A12
A11
A10
A9
A8
A19
NC
WE#
NC
NC
NC
NC
A18
A17
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
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
A16
NC
V
SS
DQ15
DQ7
DQ14
DQ6
DQ13
DQ5
DQ12
DQ4
V
DD
DQ11
DQ3
DQ10
DQ2
DQ9
DQ1
DQ8
DQ0
OE#
V
SS
CE#
A0
Y-Decoder
I/O Buffers and Data Latches
Address buffer & Latches
DQ
15
- DQ
0
Memory Address
OE#
CE#
WE#
Super flash memory
Control Logic
X-Decoder