S-93C76A Datasheet, PDF (5/33 Pages) Seiko Instruments Inc – CMOS SERIAL E2PROM

Rev.3.2_00
CMOS SERIAL E²PROM
S-93C76A
„ 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 10xxxxxxxx

EWEN (Write enable) ^*2 1
0
0 11xxxxxxxx

EWDS (Write disable)
1
0
0 00xxxxxxxx

*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 V_CC ≥ 2.7 V.
Remark x: Don’t care
Seiko Instruments Inc.
5