S-93L76A Datasheet, PDF (4/34 Pages) Seiko Instruments Inc – LOW VOLTAGE OPERATION CMOS SERIAL E2PROM

LOW VOLTAGE OPERATION CMOS SERIAL E²PROM
S-93L76A
„ Block Diagram
Memory array
Address
decoder
Rev.2.2_00
VCC
GND
Data register
Output buffer
DO
DI
Mode decode logic
CS
SK
Clock generator
Voltage detector
Figure 4
„ 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)
1
0
1 x A8 A7 A6 A5 A4 A3 A2 A1 A0 D15 to D0 Input
ERASE (Erase data)
1
1
1 x A8 A7 A6 A5 A4 A3 A2 A1 A0

WRAL (Write all)
1
0
0 0 1 x x x x x x x x D15 to D0 Input
ERAL (Erase all)
1
0
0 10xxxxxxxx

EWEN (Write enable)
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.
Remark x: Doesn’t matter
4
Seiko Instruments Inc.