S-25C010A Datasheet, PDF (19/37 Pages) Seiko Instruments Inc – CMOS SPI SERIAL E2PROM

Rev.1.0_00
CMOS SPI SERIAL E²PROM
S-25C010A/020A/040A
CS
WP
High
SCK
SI
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
8-bit Address
Data Byte 1
X
A7^*1 A6 A5 A4 A3 A2 A1 A0 A7 A6 A5 A4 A3 A2 A1 A0
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.
Figure 17 WRITE operation (1-byte) (S-25C010A/020A)
CS
WP
High
SCK
SI
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
8-bit Address
Data Byte 1
A8^*1
A7 A6 A5 A4 A3 A2 A1 A0 A7 A6 A5 A4 A3 A2 A1 A0
High-Z
SO
*1 In the S-25C040A, assign bit A8 in the address into the fifth bit in an instruction code.
Figure 18 WRITE operation (1-byte ) (S-25C040A)
Seiko Instruments Inc.
19