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PDF BR24L64 Data sheet ( Hoja de datos )
| Número de pieza | BR24L64 | |
| Descripción | (BR24L32 / BR24L64) EEPROM | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de BR24L64 (archivo pdf) en la parte inferior de esta página. Total 2 Páginas | ||
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BR24L32-W/F-W/FJ-W*/FV-W
BR24L64-W/F-W
Features
• 32k bit serial EEPROM organized as 4k × 8bit (BR24L32)
64k bit serial EEPROM organized as 8k × 8bit (BR24L64)
• 2 wire bus serial interface (2 byte Address)
• 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
• Page write function : 32byte
• 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
• 40 years data retention
• Operating temperature range : -40~85˚C
Block Diagram
Pin Configurations
A0 1
A1 2
A2 3
GND 4
8 Vcc
7 WP
6 SCL
5 SDA
DIP8/SOP8/SOP-J8*/SSOP-B8
DIP8/SOP8 (Only BR24L64)
Pin Functions
Pin Names
Functions
A0, A1, A2 Slave Address Inputs
GND Ground
SDA Serial Data Input/Output
SCL Serial Data Clock
WP Write Protect
Vcc Power Supply
* Under development
32~64k bit EEPROM Array
A0 12bit:BR24L32
13bit: BR24L64
8bit WP
A1
Address 12bit:BR24L32 Slave Words
Data
SCL
Decoder 13bit:BR24L64 Address Register
Register
A2 SDA
START STOP
Control Logic
High Voltage
Generation
Voltage Detection
ACK
9
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet BR24L64.PDF ] | |
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