at28c040 ATMEL Corporation, at28c040 Datasheet - Page 2

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at28c040

Manufacturer Part Number
at28c040
Description
4-megabit 512k X 8 Paged Parallel Eeproms
Manufacturer
ATMEL Corporation
Datasheet

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2. Pin Configurations
2.1
2
Pin Name
A0 - A18
CE
OE
WE
I/O0 - I/O7
NC
44-lead LCC – Top View
A12
NC
NC
NC
A7
A6
A5
A4
A3
A2
A1
AT28C040
7
8
9
10
11
12
13
14
15
16
17
Function
Addresses
Chip Enable
Output Enable
Write Enable
Data Inputs/Outputs
No Connect
39
38
37
36
35
34
33
32
31
30
29
A13
A8
A9
A11
NC
NC
NC
NC
OE
A10
CE
2.2
2.3
48-lead TSOP – Top View
32-lead Flatpack – Top View
VCC
A11
A13
A14
A17
A18
A16
A15
A12
WE
NC
NC
NC
NC
NC
NC
NC
NC
A9
A8
A7
A6
A5
A4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
GND
I/O0
I/O1
I/O2
A18
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
VCC
WE
A17
A14
A13
A8
A9
A11
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
0542E–PEEPR–1/08
NC
NC
NC
NC
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
VSS
I/O2
I/O1
I/O0
A0
A1
A2
A3
NC
NC
NC
NC

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