AT24C02A ATMEL [ATMEL Corporation], AT24C02A Datasheet - Page 8

• Manufacturer Part Number: AT24C02A
• Description: 2-Wire Serial EEPROM
• Manufacturer: ATMEL [ATMEL Corporation]

with an acknowledge. As long as the EEPROM receives an
acknowledge, it will continue to increment the data word
address and serially clock out sequential data words. When
the memory address limit is reached, the data word
Figure 1. Device Address
Figure 2. Byte Write
Figure 3. Page write
8
SDA LINE
AT24C02A/04A/08A
R
S
T
A
T
M
S
B
ADDRESS
DEVICE
SDA LINE
S
B
L
W
W
R
E
R
T
I
/
S
A
R
A
C
K
T
T
WORD ADDRESS (n)
M
S
B
2K
4K
8K
ADDRESS
DEVICE
MSD
1
1
1
L
S
B
W
0
0
0
W
R
R
T
E
I
/
C
A
K
C
A
K
1
1
1
WORD ADDRESS
M
S
B
0
0
0
DATA (n)
address will “roll over” and the sequential read will con-
tinue. The sequential read operation is terminated when
the microcontroller does not respond with a zero but does
generate a following stop condition (refer to Figure 6).
A
A
A
2
2
2
P
A
A
1
1
1
S
B
L
P0
P0
A
A
C
K
A
C
K
0
R/W
R/W
R/W
LSB
DATA (n + 1)
DATA
C
C
A
K
A
K
O
S
T
P
DATA (n + x)
A
C
K
O
S
T
P