EM39LV040
4M (512Kx8) Bits Flash Memory
SPECIFICATION
Functional Block Diagram
Flash
Mem ory Array
X-Decoder
Mem ory Address
Address Buffer &
Latches
Y-Decoder
CE#
OE#
W E#
Control Logic
I/O Buffers and Data Latches
DQ7-DQ0
Figure 0a:
Functional Block Diagram
Pin Assignments
32-Lead PLCC
A12 A15 A16 A18 V
DD
WE#
A17
4
3
2
1
32 31 30
29
28
27
26
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
5
6
7
8
9
10
11
12
13
A14
A13
A8
A9
A11
OE#
A10
CE#
DQ7
32-Lead PLCC
Top View
25
24
23
22
21
14 15 16 17 18 19 20
DQ1DQ2 V
SS
DQ3DQ4DQ5DQ6
Figure 0b:
PLCC Pin Assignments
This specification is subject to change without further notice. (07.22.2004 V1.0)
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