s-93c46a Seiko Instruments Inc., s-93c46a Datasheet - Page 10

• Manufacturer Part Number: s-93c46a
• Description: Cmos Serial E2prom
• Manufacturer: Seiko Instruments Inc.

2.2 ERASE
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."
This command erases 16-bit data in a specified address.
DO
DO
CS
SK
CS
SK
D
CS
SK
DI
DI
DI
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
3
3
3
Figure 10
Figure 11
Figure 12
A7
A5
X
4
Hi-Z
Hi-Z
Hi-Z
4
4
A6
A6
A4
5
5
5
Seiko Instruments Inc.
A5
A5
A3
6
6
6
ERASE Timing (S-93C46A)
ERASE Timing (S-93C56A)
ERASE Timing (S-93C66A)
A4
A4
A2
7
7
7
A3
A1
A3
8
8
8
A2
A2
9
9
9
A0
A1
A1
10
10
t
t
CDS
SV
11
11
A0
A0
t
PR
t
t
t
VERIFY
t
CDS
CDS
SV
SV
busy
t
t
PR
PR
ready
VERIFY
VERIFY
busy
busy
CMOS SERIAL E
Hi-Z
t
HZ1
ready
ready
S-93C46A/56A/66A
Hi-Z
Hi-Z
t
t
HZ1
HZ1
2
PROM
9