S-93L46A Datasheet, PDF (6/48 Pages) Seiko Instruments Inc – LOW VOLTAGE OPERATION CMOS SERIAL E2PROM

LOW VOLTAGE OPERATION CMOS SERIAL E²PROM
S-93L46A/56A/66A
Rev.3.1_00
2. S-93L56A
Table 8
Instruction
SK input clock
Operation
Start Bit
Code
Address
1
2 3 4 5 6 7 8 9 10 11
Data
12 to 27
READ (Read data)
1
1 0 ^{x A6 A5 A4 A3 A2 A1 A0} D15 to D0 Output^*1
WRITE (Write data)
1
0 1 ^{x A6 A5 A4 A3 A2 A1 A0} D15 to D0 Input
ERASE (Erase data)
1
1 1 ^{x 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
3. S-93L66A
Table 9
Instruction
SK input clock
Start Bit
Operation
Code
Address
1
2 3 4 5 6 7 8 9 10 11
Data
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
6
Seiko Instruments Inc.