EM39LV040
4M (512Kx8) Bits Flash Memory
SPECIFICATION
Functional Block Diagram
Flash
Memory Array
X-Decoder
Address Buffer &
Memory Address
Latches
Y-Decoder
I/O Buffers and Data Latches
DQ7-DQ0
CE#
Control Logic
OE#
WE#
Figure 0a: Functional Block Diagram
Pin Assignments
32-Lead PLCC
A12 A15 A16 A18VDDWE#
A17
4
3
2
1
32 31 30
5
6
A14
A13
A8
29
A7
A6
28
7
A5
27
26
8
A9
A4
32-Lead PLCC
Top View
9
A11
OE#
A10
25
A3
10
11
12
13
A2
24
23
A1
22
21
A0
CE#
DQ7
DQ0
14 15 16 17 18 19 20
DQ1DQ2VSSDQ3DQ4DQ5DQ6
Figure 0b: PLCC Pin Assignments
This specification is subject to change without further notice. (07.22.2004 V1.0)
Page 2 of 21
ELAN [ ELAN MICROELECTRONICS CORP ]
