CMOS SERIAL E2PROM
S-93C46A/56A/66A
2.2 ERASE
This command erases 16-bit data in a specified address.
After changing CS to high, input a start-bit, op-code (ERASE), and address. It is not necessary to input data. Changing CS
to low will start the ERASE operation, which changes every bit of the 16-bit data to "1."
tCDS
CS
VERIFY
SK
DI
D
1
2
3
4
5
6
7
8
9
1
1
1
A5 A4 A3 A2 A1
Hi-Z
A0
tSV
tHZ1
busy
ready
Hi-Z
tPR
Figure 10 ERASE Timing (S-93C46A)
tCDS
CS
SK
VERIFY
1
2
1
3
4
5
6
7
8
9
10 11
1
1
X
A6 A5 A4 A3 A2 A1 A0
DI
tSV
tHZ1
Hi-Z
busy
ready
DO
Hi-Z
tPR
Figure 11 ERASE Timing (S-93C56A)
tCDS
CS
SK
VERIFY
1
2
1
3
4
5
6
7
8
9
10 11
1
1
A7 A6 A5 A4 A3 A2 A1
Hi-Z
A0
DI
tSV
tHZ1
busy
ready
DO
Hi-Z
tPR
Figure 12 ERASE Timing (S-93C66A)
Seiko Instruments Inc.
9
SII [ SEIKO INSTRUMENTS INC ]
