S-93C76A-H Datasheet, PDF (4/28 Pages) Seiko Instruments Inc – FOR AUTOMOTIVE OPERATION 3-WIRE SERIAL E2PROM

FOR AUTOMOTIVE 105°C OPERATION 3-WIRE SERIAL E²PROM
S-93C76A H Series
Rev.3.1_01
 Instruction Sets
Table 4
Instruction
Start Bit Operation Code
Address
Data
SK input clock
1
2
3
4 5 6 7 8 9 10 11 12 13
14 to 29
READ (Read data)
1
1
0
x A8 A7 A6 A5 A4 A3 A2 A1 A0 D15 to D0 Output^*1
WRITE (Write data) ^*2
1
0
1
x A8 A7 A6 A5 A4 A3 A2 A1 A0 D15 to D0 Input
ERASE (Erase data) ^*2
1
1
1
x A8 A7 A6 A5 A4 A3 A2 A1 A0
⎯
WRAL (Write all) ^*2
1
0
0
0 1 x x x x x x x x D15 to D0 Input
ERAL (Erase all) ^*2
1
0
0
10 x x x x x x x x
⎯
EWEN (Write enable) ^*2 1
0
0
11 x x x x x x x x
⎯
EWDS (Write disable)
1
0
0
00 x x x x 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.
*2. WRITE, ERASE, WRAL, ERAL, and EWEN are guaranteed only at VCC ≥ 2.7 V.
Remark x: Don’t care
4