BR24T1MFJ-3AM 데이터 시트보기 (PDF) - ROHM Semiconductor

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BR24T1MFJ-3AM

Serial EEPROM Series Standard EEPROM I2C BUS EEPROM (2-Wire)

ROHM Semiconductor 

BR24T1M-3AM

Block Diagram

(Note1) A0 1

A1 2

1Mbit EEPROM Array

8bit

Address

17bit

Decoder

Word

Address Register

Data

Register

A2 3

GND 4

START

Control Circuit

STOP

ACK

High Voltage

Generating Circuit

Power Source

Voltage Detection

(Note1) A0= Don't use

Figure 3. Block Diagram

8 VCC

7 WP

6 SCL

5 SDA

Datasheet

Pin Configuration

A0 11

(TOP VIEW)

81 VCC

A1 21

71 WP

BR24T1M-3AM

A2 31

61 SCL

GND 41

51 SDA

Pin Descriptions

Terminal

Number

1

Terminal

Name

A0

2

A1

3

A2

Input/

Output

Input

Don’t use (Note1)

Descriptions

Input Slave address setting (Note2)

Input Slave address setting (Note2)

4

GND

-

Reference voltage of all input / output, 0V

5

SDA

Input/

Output

Serial data input serial data output

6

SCL

Input Serial clock input

7

WP

Input Write protect terminal

8

VCC

-

Connect the power source.

(Note1) Pins not used as device address may be set to any of ‘H’, 'L', and 'Hi-Z'.

(Note2) A1 and A2 are not allowed to use as open

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TSZ22111・15・001

5/28

TSZ02201-0GFG0G100430-1-2

08.Jul.2016 Rev.001

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