at29c040a ATMEL Corporation, at29c040a Datasheet - Page 2

• Manufacturer Part Number: at29c040a
• Description: At29c040a 4-megabit 512k X 8 5-volt Only 256-byte Sector Flash Memory
• Manufacturer: ATMEL Corporation

2. Pin Configurations
2.1
2.2
2
32-lead PLCC Top View
32-lead TSOP Top View – Type 1
AT29C040A
Pin Name
A0 - A18
CE
OE
WE
I/O0 - I/O7
NC
VCC
A11
A13
A14
A17
A18
A16
A15
A12
WE
A9
A8
A7
A6
A5
A4
I/O0
A7
A6
A5
A4
A3
A2
A1
A0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
5
6
7
8
9
10
11
12
13
Function
Addresses
Chip Enable
Output Enable
Write Enable
Data Inputs/Outputs
No Connect
29
28
27
26
25
24
23
22
21
A14
A13
A8
A9
A11
OE
A10
CE
I/O7
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
GND
I/O2
I/O1
I/O0
A0
A1
A2
A3
0333K–FLASH–2/05