CMOS SERIAL E2PROM
S-93C46A/56A/66A
2.4 ERAL
This instruction erases the data in every address.
After changing CS to high, input a start-bit, op-code (ERAL), and address (optional). It is not necessary to input data.
Changing CS to low will start the ERAL operation, which changes every bit of data to "1."
CS
SK
VERIFY
tCDS
1
2
0
3
0
4
5
6
7
8
9
1
1
0
DI
4Xs
tHZ1
tSV
busy
ready
DO
Hi-Z
tPR
Figure 16 ERAL Timing (S-93C46A)
CS
SK
VERIFY
tCDS
11
1
2
3
4
5
6
7
8
9
10
1
0
0
1
0
DI
6Xs
tHZ1
tSV
busy
ready
DO
Hi-Z
tPR
Figure 17 ERAL Timing (S-93C56A)
CS
SK
VERIFY
tCDS
11
1
2
3
0
4
5
6
7
8
9
10
DI
1
0
1
0
6Xs
tHZ1
tSV
busy
ready
DO
Hi-Z
tPR
Figure 18 ERAL Timing (S-93C66A)
Seiko Instruments Inc.
11
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