AT93C46-W1.8-11 ATMEL [ATMEL Corporation], AT93C46-W1.8-11 Datasheet - Page 5

• Manufacturer Part Number: AT93C46-W1.8-11
• Description: Three-wire Serial EEPROMs
• Manufacturer: ATMEL [ATMEL Corporation]

Table 5. Instruction Set for the AT93C46
Note:
Table 6. Instruction Set for the AT93C56
Notes:
0172Z–SEEPR–9/05
Instruction
READ
EWEN
ERASE
WRITE
ERAL
WRAL
EWDS
Instruction
READ
EWEN
ERASE
WRITE
ERAL
WRAL
EWDS
The Xs in the address field represent DON’T CARE values and must be clocked.
1. This device is not recommended for new designs. Please refer to AT93C56A.
2. This device is not recommended for new designs. Please refer to AT93C66A.
SB
SB
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Code
Code
Op
10
00
11
01
00
00
00
Op
10
00
11
01
00
00
00
11XXXXXXX
10XXXXXXX
01XXXXXXX
00XXXXXXX
11XXXXX
10XXXXX
01XXXXX
00XXXXX
A
A
A
A
A
A
6
6
6
8
8
8
x 8
x 8
– A
– A
– A
– A
– A
– A
(1)
0
0
0
0
0
0
Address
Address
and AT93C66
11XXXX
10XXXX
01XXXX
00XXXX
11XXXXXX
10XXXXXX
01XXXXXX
00XXXXXX
A
A
A
x 16
5
5
5
A
A
A
– A
– A
– A
x 16
7
7
7
– A
– A
– A
0
0
0
0
0
0
(2)
D
D
D
D
7
7
x 8
7
7
– D
– D
x 8
– D
– D
0
0
0
0
Data
Data
D
D
D
D
15
15
15
15
x 16
x 16
– D
– D
– D
– D
0
0
0
0
Comments
Reads data stored in memory, at
specified address
Write enable must precede all
programming modes
Erases memory location A
Writes memory location A
Erases all memory locations. Valid
only at V
Writes all memory locations. Valid
only at V
Register cleared
Disables all programming instructions
Comments
Reads data stored in memory, at
specified address
Write enable must precede all
programming modes
Erases memory location A
Writes memory location A
Erases all memory locations. Valid
only at V
Writes all memory locations. Valid
only at V
Disables all programming instructions
AT93C46/56/66
CC
CC
CC
CC
= 4.5V to 5.5V
= 5.0V ±10% and Disable
= 4.5V to 5.5V
= 4.5V to 5.5V
n
n
n
n
– A
– A
– A
– A
0
0
0
0
5