AT28C040-25FI Atmel, AT28C040-25FI Datasheet - Page 2

• Manufacturer Part Number: AT28C040-25FI
• Description: IC EEPROM 4MBIT 250NS 32FP
• Manufacturer: Atmel

Specifications of AT28C040-25FI

• Format - Memory: EEPROMs - Parallel
• Memory Type: EEPROM
• Memory Size: 4M (512K x 8)
• Speed: 250ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-Flatpack
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: AT28C04025FI

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
32-lead Flatpack – Top View
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
0542F–PEEPR–2/09