BR34E02FVT-3R 查看數據表（PDF） - ROHM Semiconductor

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BR34E02FVT-3R

Serial EEPROM Series Standard EEPROM Plug & Play EEPROM

ROHM Semiconductor 

BR34E02-3

Block Diagram

A0 1

A1 2

PROTECT_MEMORY_ARRAY

2Kbit_MEMORY_ARRAY

8bit

ADDRESS

SLAVE , WORD

DECODER 8bit ADDRESS

8bit

DATA

REGISTE

A2 3

GND 4

START

STOP

CONTOROL LOGIC

ACK

HIGH VOLTAGE

VCC LEVEL DETECT

Pin Configuration

(TOP VIEW)

A0 1

A1 2

A2 3

BR34E02-3

8 VCC

7 WP

6 SCL

GND 4

5 SDA

Datasheet

8 VVCCC

7 WP

6 SCL

5 SDA

Pin Descriptions

Pin Name

Input/Output

Descriptions

VCC

-

Power supply

GND

-

Ground 0V

A0, A1, A2

IN

Slave address set.

SCL

IN

Serial clock input

SDA

IN / OUT

Slave and word address(1)

Serial data input, serial data output

WP

IN

Write protect input(2)

(1) Open drain output requires a pull-up resistor.

(2) WP Pin has a Pull-Down resistor. Please leave unconnected or connect to GND when not in use.

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TSZ22111・15・001

4/30

TSZ02201-0R2R0G100520-1-2

25.Feb.2013 Rev.002

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