BUS EEPROM. BR24G256F-5E2 Datasheet

BR24G256F-5E2 EEPROM. Datasheet pdf. Equivalent

Part BR24G256F-5E2
Description I2C BUS EEPROM
Feature Datasheet Serial EEPROM Series Standard EEPROM I2C BUS EEPROM (2-Wire) BR24G256xxx-5 Series Gener.
Manufacture ROHM
Datasheet
Download BR24G256F-5E2 Datasheet



BR24G256F-5E2
Datasheet
Serial EEPROM Series Standard EEPROM
I2C BUS EEPROM (2-Wire)
BR24G256xxx-5 Series
General Description
BR24G256xxx-5 Series is a 256Kbit serial EEPROM of
I2C BUS Interface.
Features
All Controls Available by 2 Ports of Serial Clock
(SCL) and Serial Data (SDA)
1.6V to 5.5V Wide Limit of Operating Voltage,
Possible 1MHz Operation
Page Write Mode 64Byte
Bit Format 32K x 8bit
Low Current Consumption
Prevention of Miswriting
WP (Write Protect) Function Added
Prevention of Miswriting at Low Voltage
Noise Filter Built-in SCL / SDA Pin
Initial Delivery State FFh
Key Specifications
Write Cycles:
4 Million Times (Ta=25°C)
Data Retention:
200 Years (Ta=55°C)
Write Cycle Time:
5ms (Max)
Supply Voltage:
1.6V to 5.5V
Ambient Operating Temperature: -40°C to +85°C
Packages
SOP8
SOP-J8
TSSOP-B8
MSOP8
VSON008X2030
W(Typ) x D(Typ) x H(Max)
5.00mm x 6.20mm x 1.71mm
4.90mm x 6.00mm x 1.65mm
3.00mm x 6.40mm x 1.20mm
2.90mm x 4.00mm x 0.90mm
2.00mm x 3.00mm x 0.60mm
Applications
Ordinary Electronic Equipment (such as AV equipment,
OA equipment, telecommunication equipment, home
electronic appliances, amusement equipment, etc.).
SOP8
MSOP8
Typical Application Circuit
VCC
A0
VCC
SOP-J8
VSON008X2030
* A1 WP
A2
GND
SCL
SDA
0.1µF
Micro-
controller
TSSOP-B8
Figure 2
* Connect A0, A1, A2 to VCC or GND.
These pins have pull-down elements inside the IC.
If pins are open, they are the same as when they are connected to GND.
Figure 1. Typical Application Circuit
Product structure : Silicon integrated circuit
.www.rohm.com
© 2017 ROHM Co., Ltd. All rights reserved.
TSZ22111 14 001
This product has no designed protection against radioactive rays
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19.Dec.2019 Rev.004



BR24G256F-5E2
BR24G256xxx-5 Series
Contents
General Description ........................................................................................................................................................................1
Features..........................................................................................................................................................................................1
Applications ....................................................................................................................................................................................1
Typical Application Circuit ...............................................................................................................................................................1
Key Specifications...........................................................................................................................................................................1
Packages ........................................................................................................................................................................................1
Contents .........................................................................................................................................................................................2
Pin Configuration ............................................................................................................................................................................3
Pin Description................................................................................................................................................................................3
Block Diagram ................................................................................................................................................................................3
Absolute Maximum Ratings ............................................................................................................................................................4
Thermal Resistance ........................................................................................................................................................................4
Operating Conditions ......................................................................................................................................................................5
Input / Output Capacitance .............................................................................................................................................................5
Input Impedance .............................................................................................................................................................................5
Memory Cell Characteristics ...........................................................................................................................................................5
Electrical Characteristics.................................................................................................................................................................6
AC Characteristics ..........................................................................................................................................................................6
AC Characteristics Condition ..........................................................................................................................................................6
Input / Output Timing ......................................................................................................................................................................7
Typical Performance Curves...........................................................................................................................................................8
I2C BUS Communication...............................................................................................................................................................17
Write Command ............................................................................................................................................................................18
Read Command............................................................................................................................................................................19
Method of Reset ...........................................................................................................................................................................20
Acknowledge Polling.....................................................................................................................................................................20
WP Valid Timing (Write Cancel) ....................................................................................................................................................21
Command Cancel by Start Condition and Stop Condition.............................................................................................................21
Application Examples ...................................................................................................................................................................22
Caution on Power-Up Conditions..................................................................................................................................................24
Low Voltage Malfunction Prevention Function ..............................................................................................................................24
I/O Equivalence Circuits................................................................................................................................................................25
Operational Notes.........................................................................................................................................................................26
Ordering Information.....................................................................................................................................................................27
Lineup ...........................................................................................................................................................................................27
Marking Diagrams.........................................................................................................................................................................28
Physical Dimension and Packing Information ...............................................................................................................................29
Revision History............................................................................................................................................................................34
www.rohm.com
© 2017 ROHM Co., Ltd. All rights reserved.
TSZ22111 15 001
2/34
TSZ02201-0GGG0G100890-1-2
19.Dec.2019 Rev.004





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