AT93C66A-10SI-2.7 Atmel, AT93C66A-10SI-2.7 Datasheet - Page 6

• Manufacturer Part Number: AT93C66A-10SI-2.7
• Description: IC EEPROM 4KBIT 2MHZ 8SOIC
• Manufacturer: Atmel

Specifications of AT93C66A-10SI-2.7

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 4K (512 x 8 or 256 x 16)
• Speed: 1MHz, 2MHz
• Interface: 3-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table 3-4.
Note:
6
Instruction
READ
EWEN
ERASE
WRITE
ERAL
WRAL
EWDS
The X’s in the address field represent don’t care values and must be clocked.
AT93C56A/66A
Instruction Set for the AT93C56A and AT93C66A
SB
1
1
1
1
1
1
1
Code
Op
10
00
11
01
00
00
00
11XXXXXXX
10XXXXXXX
01XXXXXXX
00XXXXXXX
A
A
A
8
8
8
x 8
– A
– A
– A
0
0
0
Address
11XXXXXX
10XXXXXX
01XXXXXX
00XXXXXX
A
A
A
x 16
7
7
7
– A
– A
– A
0
0
0
D
D
7
7
x 8
– D
– D
0
0
Data
D
D
15
15
x 16
– D
– D
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.
CC
CC
= 5.0V ±10% and Disable
= 4.5V to 5.5V.
3378O–SEEPR–11/09
n
n
– A
– A
0
0
.
.