AT25640_14 Datasheet, PDF (12/21 Pages) ATMEL Corporation – Low-voltage and Standard-voltage Operation

RDSR Timing
CS
SCK
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
SI
INSTRUCTION
HIGH IMPEDANCE
SO
DATA OUT
76543210
MSB
WRSR Timing
CS
SCK
SI
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
INSTRUCTION
DATA IN
76543210
HIGH IMPEDANCE
SO
READ Timing
CS
SCK
SI
0 1 2 3 4 5 6 7 8 9 10 11 20 21 22 23 24 25 26 27 28 29 30 31
INSTRUCTION
BYTE ADDRESS
15 14 13 ^... 3 2 1 0
HIGH IMPEDANCE
SO
DATA OUT
76543210
MSB
12 AT25080/160/320/640
0675M–SEEPR–9/03