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25LC640A Datasheet(PDF) 8 Page - Microchip Technology

Part # 25LC640A
Description  64K SPI Bus Serial EEPROM
Download  30 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

25LC640A Datasheet(HTML) 8 Page - Microchip Technology

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25AA640A/25LC640A
DS21830D-page 8
© 2008 Microchip Technology Inc.
FIGURE 2-2:
BYTE WRITE SEQUENCE
FIGURE 2-3:
PAGE WRITE SEQUENCE
SO
SI
CS
9 1011
2122 23242526 272829 30 31
00
0
0
0
0
01
15 14 13 12
21
0
7
654
321
0
Instruction
16-bit Address
Data Byte
High-Impedance
SCK
0
2
34
567
18
Twc
SI
CS
9 1011
21 222324 2526 2728 29 30 31
00
0
0
0
0
01
15 14 13 12
210
765
43
2
1
0
Instruction
16-bit Address
Data Byte 1
SCK
0
2345
67
1
8
SI
CS
41 42 43
46 47
7
65432
10
Data Byte n (32 max.)
SCK
32
34 35 36 37 38 39
33
40
7
6543
210
Data Byte 3
7
6543
210
Data Byte 2
44 45


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