BR24G64XXX-5 데이터 시트보기 (PDF) - ROHM Semiconductor

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BR24G64XXX-5

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

ROHM Semiconductor 

BR24G64xxx-5 Series

Pin Configuration

A0 1

A1 2

A2 3

GND 4

(TOP VIEW)

88 VCC

7 WP

6 SCL

5 SDA

Figure 3-(a). Pin Configuration

(SOP8, SOP-J8, TSSOP-B8, MSOP8)

A0 1

A1 2

A2 3

GND 4

(TOP VIEW)

EXP-PAD

8 VCC

7 WP

6 SCL

5 SDA

Figure 3-(b). Pin Configuration

(VSON008X2030)

Pin Description

Pin No.

Pin Name

Input / Output

Descriptions

1

A0

Input

Slave address setting(Note 1)

2

A1

Input

Slave address setting(Note 1)

3

A2

Input

Slave address setting(Note 1)

4

GND

-

Reference voltage of all input / output, 0V

5

SDA

Input / Output Serial data input / serial data output(Note 2)

6

SCL

Input

Serial clock input

7

WP

Input

Write protect pin(Note 3)

8

VCC

-

Connect the power source

-

EXP-PAD

-

Leave as OPEN or connect to GND

(Note 1) Connect to VCC or GND. There are pull-down elements inside the IC. If pins are open, they are the same as when they are connected to GND.

(Note 2) SDA is NMOS open drain, so it requires a pull-up resistor.

(Note 3) Connect to VCC or GND, or control to 'HIGH' level or 'LOW' level. There are pull-down elements inside the IC. If this pin is open, this input is recognized

as 'LOW'.

Block Diagram

A0 1

A1 2

64Kbit EEPROM Array

Address

Decoder 13bit

Word

Address Register

8bit

Data

Register

A2 3

GND 4

START

Control Circuit

STOP

ACK

High Voltage

Generating Circuit

Supply Voltage

Detection

Figure 4. Block Diagram

8 VCC

7 WP

6 SCL

5 SDA

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