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S-93C46B-H Datasheet, PDF (5/34 Pages) Seiko Instruments Inc – FOR AUTOMOTIVE OPERATION 3-WIRE SERIAL E2PROM
Rev.2.1_02
FOR AUTOMOTIVE 105°C OPERATION 3-WIRE SERIAL E2PROM
S-93C46B/56B/66B H Series
 AEC-Q100 Qualified
This IC supports AEC-Q100 for operation temperature grade 2.
Contact our sales office for details of AEC-Q100 reliability specification.
 Instruction Sets
1. S-93C46B
Table 4
Instruction
Start Bit
Operation
Code
Address
Data
SK input clock
1
2
3
4
5
6
7
8
9
10 to 25
READ (Read data)
1
1
0 A5 A4 A3 A2 A1 A0 D15 to D0 Output*1
WRITE (Write data)
1
0
1 A5 A4 A3 A2 A1 A0 D15 to D0 Input
ERASE (Erase data)
1
1
1 A5 A4 A3 A2 A1 A0
⎯
WRAL (Write all)
1
0
0
0
1
x
x
x
x D15 to D0 Input
ERAL (Erase all)
1
0
0
1
0
x
x
x
x
⎯
EWEN (Write enable)
1
0
0
1
1
x
x
x
x
⎯
EWDS (Write disable)
1
0
0
0
0
x
x
x
x
⎯
*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
2. S-93C56B
Table 5
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 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-93C66B
Table 6
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
5