BR24C01A-W 데이터 시트보기 (PDF) - ROHM Semiconductor

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BR24C01A-W

I2C BUS compatible serial EEPROM

ROHM Semiconductor 

Memory ICs

BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W / BR24C01AFV-W / BR24C02-W / BR24C02F-W /

BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV-W

!Recommended operating conditions (Ta = 25°C)

Parameter

Symbol

Limits

Unit

2.7~5.5 (WRITE)

V

Power supply voltage

VCC

2.7~5.5 (READ)

V

Input voltage

VIN

0~VCC

V

!Block diagram

BR24C01A-W / AF-W / AFJ-W / AFV-W

A0 1

A1 2

A2 3

GND 4

1kbits EEPROM ARRAY

7bits

ADDRESS

SLAVE· WORD

DECODER 7bits ADDRESS REGISTER

8bits

DATA

REGISTER

START

STOP

CONTROL LOGIC

ACK

HIGH VOLTAGE GEN.

VCC LEVEL DETECT

8 VCC

7 WP

6 SCL

5 SDA

!Pin descriptions

Pin name

Function

A0, A1, A2 Slave address setting pin

SCL

Serial data clock

SDA

Serial data input / output ∗

WP

Write protect pin

VCC

Power supply

GND

Ground

∗ An open drain output requires a pull-up resistor.

BR24C02-W / F-W / FJ-W / FV-W

A0 1

A1 2

A2 3

GND 4

2kbits EEPROM ARRAY

8bits

ADDRESS

SLAVE· WORD

DECODER 8bits ADDRESS REGISTER

8bits

DATA

REGISTER

START

STOP

CONTROL LOGIC

ACK

HIGH VOLTAGE GEN.

VCC LEVEL DETECT

8 VCC

7 WP

6 SCL

5 SDA

Pin name

Function

A0, A1, A2 Slave address setting pin

SCL

Serial data clock

SDA

Serial data input / output ∗

WP

Write protect pin

VCC

Power supply

GND

Ground

∗ An open drain output requires a pull-up resistor.

BR24C04-W / F-W / FJ-W / FV-W

A0 1

A1 2

A2 3

GND 4

4kbits EEPROM ARRAY

9bits

ADDRESS

SLAVE ·WORD

DECODER 9bits ADDRESS REGISTER

8bits

DATA

REGISTER

START

STOP

CONTROL LOGIC

ACK

HIGH VOLTAGE GEN.

VCC LEVEL DETECT

8 VCC

7 WP

6 SCL

5 SDA

Pin name

Function

A0

N.C.

A1, A2

Slave address setting pin

SCL

Serial data clock

SDA

Serial data input / output ∗

WP

Write protect pin

VCC

Power supply

GND

Ground

∗ An open drain output requires a pull-up resistor.

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