Datasheet

25AA040A/25LC040A
DS21827H-page 8  2003-2012 Microchip Technology Inc.
FIGURE 2-2: BYTE WRITE SEQUENCE
FIGURE 2-3: PAGE WRITE SEQUENCE
SI
CS
91011
00A
8
00001 76543210
Data Byte
SCK
0 23456718
Instruction+Address MSb
Lower Address Byte
A
7
A
6
A
5
A
4
A
3
A
1
A
0
A
2
12
13
14 15 16 17 18
19
20 21 22 23
Twc
SO
High-Impedance
SI
CS
91011
00A
8
00001 76543210
Data Byte 1
SCK
0 2345671
8
SI
CS
33 34 35 38 39
76543210
Data Byte n (16 max.)
SCK
24 26 27 28 29 30 3125
32
76543210
Data Byte 3
76543210
Data Byte 2
36 37
Instruction+Address MSb
Lower Address Byte
A
7
A
6
A
5
A
4
A
3
A
1
A
0
A
2
12
13
14 15 16 17 18
19
20 21 22 23