BR24L08-W/F-W/FJ-W/FV-W/FVM-W
BR24L16-W/F-W/FJ-W/FV-W/FVM-W
Features
Pin Configurations
• 8k bit serial EEPROM organized as 1k × 8bit (BR24L08)
16k bit serial EEPROM organized as 2k × 8bit (BR24L16)
• 2 wire bus serial interface
• Low operating voltage range (2V operating)
Read : 1.8~5.5V
Write : 1.8~5.5V
A0 1
8 Vcc
A1 2
7 WP
*1 A2 3
6 SCL
GND 4
5 SDA
DIP8/SOP8/SOP-J8/SSOP-B8/MSOP8
• Low current consumption
Active : 2mA MAX
Standby : 2 µA MAX
*1: NC (BR24L16)
Pin Functions
• Clock frequency : 100kHz MAX(1.8~5.5V)
400kHz MAX(2.5~5.5V)
• Write cycle time : 5ms MAX
Pin
Names
• Address auto-increment function during read operation
• Automatic erase-before-write function during write operation
A0, A1
• Page write function : 16 byte
• Inadvertent write protection function
Inadvertent write protection at low voltage (Vcc Lock-out function)
WP(Write Protect) function
• Schmitt trigger circuit and noise filter are built into SCL and
SDA pins
• 1,000,000 write cycle typical
A2
Functions
BR24L08
BR24L16
Not used, Ground
Slave Address Inputs
GND
Ground
SDA
SCL
Serial Data Input/Output
Serial Data Clock
WP
Write Protect
Vcc
Power Supply
Not used
• 40 years data retention
• Operating temperature range : -40~85˚C
Block Diagram
8~16k bit EEPROM Array
A0
A1
*1
10bit: BR24L08
11bit: BR24L16
Address
Decoder
8bit
10bit: BR24L08
11bit: BR24L16
Slave Words
Address Register
SCL
SDA
A2
START
STOP
Control Logic
ACK
A0, A1: NC
*1: NC (Only BR24L16)
Data
Register
WP
High Voltage
Generation
Voltage Detection
7
.
1.8V
L
opeow vo
ratin ltag
e
g
1
Wri,000,00
te c 0
ycle
Serial 2 Wire Interface (I2C BUS Type)
Timing chart
Byte write cycle
S
T
A
R
T
SDA
LINE
SLAVE
ADDRESS
1
0 1
W
R
I
T
E
*1
0 A2 P1 P0
WORD
ADDRESS
WA7
S
T
O
P
DATA
D7
WA0
R A
/ C
W K
D0
A
C
K
A
C
K
Page write cycle
S
T
A
R
T
SDA
LINE
SLAVE
ADDRESS
1
W
R
I
T
E
*1
0 1 0 A2 P1 P0
WORD
ADDRESS(n)
WA7
DATA(n)
D7
WA0
DATA(n+15)
D0
A
C
K
R A
/ C
W K
S
T
O
P
D0
A
C
K
A
C
K
Current read cycle
S
T
A
R
T
SDA
LINE
SLAVE
ADDRESS
1
R
E
A
D
*1
0 1 0 A2 P1 P0
S
T
O
P
DATA
D0
D7
R A
/ C
W K
A
C
K
Random read cycle
S
T
A
R
T
SDA
LINE
SLAVE
ADDRESS
1
W
R
I
T
E
*1
0 1 0 A2 P1 P0
SLAVE
ADDRESS
WORD
ADDRESS(n)
WA7
R
E
A
D
WA0
R A
/ C
W K
1
0 1
S
T
O
P
DATA(n)
*1
0 A2 P1 P0
D7
A
C
K
D0
A
C
K
A
C
K
Sequential read cycle
S
T
A
R
T
SDA
LINE
SLAVE
ADDRESS
1
0
R
E
A
D
*1
1 0 A2 P1 P0
R A
/ C
W K
DATA(n+x)
DATA(n)
D7
S
T
O
P
D7
D0
A
C
K
A
C
K
D0
A
C
K
*1: P2 (BR24L16)
Note : BR24C08/F/FJ/FV have no letter "-W", but they are double-cell types.
BR24C16/F/FJ/FV are single-cell types.
Please be careful not to confuse w-cell type and single-cell type. ("-W" means double-cell type.)
8