s-93c46b Seiko Instruments Inc., s-93c46b Datasheet - Page 6

• Manufacturer Part Number: s-93c46b
• Description: Cmos Serial E2prom
• Manufacturer: Seiko Instruments Inc.

6
CMOS SERIAL E
S-93C46B/56B/66B
*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
*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
READ (Read data)
WRITE (Write data)
ERASE (Erase data)
WRAL (Write all)
ERAL (Erase all)
EWEN (Write enable)
EWDS (Write disable)
Instruction Sets
READ (Read data)
WRITE (Write data)
ERASE (Erase data)
WRAL (Write all)
ERAL (Erase all)
EWEN (Write enable)
EWDS (Write disable)
1. S-93C46B
2. S-93C56B
SK input clock
Instruction
SK input clock
Instruction
2
PROM
Start Bit
1
1
1
1
1
1
1
1
Start Bit
1
1
1
1
1
1
1
1
Operation
0
2
1
0
1
0
0
0
Operation
Code
1
0
1
0
0
0
0
2
Code
Seiko Instruments Inc.
3
0
1
1
0
0
0
0
3
0
1
1
0
0
0
0
Table 6
Table 7
A5
A5
A5
0
4
1
1
0
4
0
1
1
0
x
x
x
A6 A5 A4 A3 A2 A1 A0
A6 A5 A4 A3 A2 A1 A0
A6 A5 A4 A3 A2 A1 A0
5
1
0
1
0
A4
A4
A4
5
1
0
1
0
6
x
x
x
x
A3
A3
A3
Address
6
x
x
x
x
Address
7
x
x
x
x
A2
A2
A2
7
x
x
x
x
8
x
x
x
x
9
x
x
x
x
A1
A1
A1
8
x
x
x
x
10 11
x
x
x
x
A0
A0
A0
9
x
x
x
x
x
x
x
x
D15 to D0 Output
D15 to D0 Input
D15 to D0 Input
D15 to D0 Output
D15 to D0 Input
D15 to D0 Input
10 to 25
12 to 27
Data
Data




Rev.4.3




*1
*1
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