S-93C46B Datasheet, PDF (7/45 Pages) Seiko Instruments Inc – CMOS SERIAL E2PROM

Rev.4.3_00
CMOS SERIAL E²PROM
S-93C46B/56B/66B
3. S-93C66B
Table 8
Instruction
Start Bit
Operation
Code
Address
Data
SK input clock
1
2 3 4 5 6 7 8 9 10 11
12 to 27
READ (Read data)
1
1 0 ^{A7 A6 A5 A4 A3 A2 A1 A0} D15 to D0 Output^*1
WRITE (Write data)
1
0 1 ^{A7 A6 A5 A4 A3 A2 A1 A0} D15 to D0 Input
ERASE (Erase data)
1
1 1 ^{A7 A6 A5 A4 A3 A2 A1 A0}

WRAL (Write all)
1
0 0 0 1 ^{x x x x x x} D15 to D0 Input
ERAL (Erase all)
1
0 0 10xxxxxx

EWEN (Write enable)
1
0 0 11xxxxxx

EWDS (Write disable)
1
0 0 00xxxxxx

*1. When the 16-bit data in the specified address has been output, the data in the next address is output.
Remark x: Don’t care
Seiko Instruments Inc.
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