25LC040A-E/P Microchip Technology, 25LC040A-E/P Datasheet - Page 8
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25LC040A-E/P
Manufacturer Part Number
25LC040A-E/P
Description
IC,SERIAL EEPROM,512X8,CMOS,DIP,8PIN,PLASTIC
Manufacturer
Microchip Technology
Specifications of 25LC040A-E/P
Rohs Compliant
YES
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Memory Size
4K (512 x 8)
Speed
10MHz
Interface
SPI, 3-Wire Serial
Voltage - Supply
2.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Package / Case
8-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
25AA040A/25LC040A
FIGURE 2-2:
FIGURE 2-3:
DS21827F-page 8
SCK
SCK
CS
CS
SI
SI
SCK
SO
CS
SI
0
0
Instruction+Address MSb
0
0
24
Instruction+Address MSb
7
1
0
1
0
25
0
6
2
0
BYTE WRITE SEQUENCE
PAGE WRITE SEQUENCE
2
5
26 27 28 29 30 31
3
0
Data Byte 2
3
0
A
4
4
8
A
4
3
5
0
8
5
0
1
2
6
1
6
0
1
7
0
7
A
8
0
7
A
8
Lower Address Byte
7
A
32
7
9 10 11
High-impedance
6
Lower Address Byte
A
9 10 11
A
33 34 35
6
6
5
A
A
5
Data Byte 3
5
4
A
A
12 13 14 15 16 17 18 19 20 21 22 23
4
4
3
A
12 13 14 15 16 17 18 19 20 21 22 23
A
36 37
3
3
2
A
A
2
2
1
A
A
38 39
1
1
0
A
0
0
7
7
6
6
7
5
Data Byte 1
Data Byte n (16 max.)
5
Data Byte
6
4
© 2009 Microchip Technology Inc.
4
5
3
3
4
2
2
3
1
1
2
0
0
1
Twc
0