AT93C66-10PI-1.8 Atmel, AT93C66-10PI-1.8 Datasheet - Page 5
![IC EEPROM 4KBIT 2MHZ 8DIP](/photos/6/50/65033/313-8-dip_sml.jpg)
AT93C66-10PI-1.8
Manufacturer Part Number
AT93C66-10PI-1.8
Description
IC EEPROM 4KBIT 2MHZ 8DIP
Manufacturer
Atmel
Datasheet
1.AT93C46-10PI-2.7.pdf
(21 pages)
Specifications of AT93C66-10PI-1.8
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Memory Size
4K (512 x 8 or 256 x 16)
Speed
250kHz, 1MHz, 2MHz
Interface
3-Wire Serial
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
8-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Table 5. Instruction Set for the AT93C46
Note:
Table 6. Instruction Set for the AT93C56
Note:
0172Y–SEEPR–11/04
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