S-25C010A Datasheet, PDF (20/37 Pages) Seiko Instruments Inc – CMOS SPI SERIAL E2PROM

CMOS SPI SERIAL E²PROM
S-25C010A/020A/040A
Rev.1.0_00
CS
WP
SCK
SI
High
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Instruction
X
8-bit Address
Data Byte (n)
Data Byte (n + x)
A7^*1 A6 A5 A4 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0
D4 D3 D2 D1 D0
High-Z
SO
*1 In the S-25C010A, A7 = Don’t care because the address range is A6 to A0.
Remark X = Don’t care.
Figure19 WRITE operation (page) (S-25C010A/020A)
CS
WP
SCK
SI
High
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Instruction
A8^*1
8-bit Address
Data Byte (n)
Data Byte (n + x)
A7 A6 A5 A4 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0
D4 D3 D2 D1 D0
High-Z
SO
*1 In the S-25C040A, assign bit A8 in the address into the fifth bit in an instruction code.
Figure20 WRITE operation (page) (S-25C040A)
20
Seiko Instruments Inc.