DIP8/SOP8 (Only BR24L64)
SDA Serial Data Input/Output
SCL
WP
Vcc Power Supply
Serial Data Clock
Write Protect
Pin Functions
Pin ConfigurationsFeatures
• 32k bit serial EEPROM organized as 4k × 8bit (BR24L32)
64k bit serial EEPROM organized as 8k × 8bit (BR24L64)
• Low operating voltage range (2V operating)
Read : 1.8~5.5V
Write : 1.8~5.5V
• Low current consumption
Active : 3mA MAX
Standby : 2µA MAX
• Clock frequency : 100kHz MAX (1.8~5.5V)
400kHz MAX (2.5~5.5V)
• Write cycle time : 5ms MAX
• Address auto-increment function during read operation
• Automatic erase-before-write function during write operation
• Inadvertent write protection function
Inadvertent write protection at low voltage (Vcc Lock-out function)
WP (Write Protect) function
• 1,000,000 write cycle typical
• 40 years data retention
• Operating temperature range : -40~85˚C
Block Diagram
A0
Control Logic
Data
Register
High Voltage
Generation
32~64k bit EEPROM Array
8bit
12bit: BR24L32
13bit: BR24L64
Voltage Detection
START STOP
ACK
A1
A2
WP
SCL
SDA
Slave Words
Address Register
9
1
2
3
4
8
7
6
5
A0
A1
A2
GND
Vcc
WP
SCL
SDA
DIP8/SOP8/SOP-J8/SSOP-B8
Pin Names Functions
A0, A1, A2 Slave Address Inputs
GND Ground
• Page write function : 32byte
• 2 wire bus serial interface (2 byte Address)
• Schmitt trigger circuit and noise filter are built into SCL and
SDA pins
Address
Decoder
12bit: BR24L32
13bit: BR24L64
BR24L32-W/F-W/FJ-W/FV-W
BR24L64-W/F-W
* Under development
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