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4.2 39VF0207CWHQ01 (IC524) : 2 Mbit multi-purpose flash memory
• Pin layout
A11
1
A9
2
A8
3
A13
4
A14
5
A17
6
WE#
7
V
Top view
DD
8
NC
9
A16
10
A15
11
A12
12
A7
13
A6
14
A5
15
A4
16
• Pin function
Pin No.
Symbol
1 - 6
A11,A9,A8
A13,A14,A17
7
WE#
8
VDD
9
NC
10 - 20
A16,A15,A12
A7 - A0
21 - 23
DQ0 - DQ2
24
VSS
25 - 29
DQ3 - DQ7
30
CE#
31
A10
32
OE#
OE#
32
A10
31
CE#
30
DQ7
29
DQ6
28
DQ5
27
DQ4
26
DQ3
25
V
24
SS
DQ2
23
DQ1
22
DQ0
21
A0
20
A1
19
A2
18
A3
17
Function
Address inputs
Write enable
Power supply
Not connect
Address inputs
Data inputs/outputs
Ground
Data inputs/outputs
Chip enable
Address input
Output enable
• Block diagram
Address Buffers
and
Memory Address
Latches
CE#
Control Logic
OE#
WE#
TH-A75
SuperFlash
X-Decoder
Memory
Y-Decoder
I/O Buffers
and
Data Latches
DQ7 - DQ0
(No.22009)1-17
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