BR24C21 데이터 시트보기 (PDF) - ROHM Semiconductor

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BR24C21

EDID Memory (For display)

ROHM Semiconductor 

BR24C21xxx Series (1K)

●Block Diagram

Datasheet

N.C. 1

N.C. 2

N.C. 3

GND 4

1 Kbit EEPROM ARRAY

7bit

ADDRESS

SLAVE・WORD

DECODER 7bit ADDRESS REGISTER

8bit

DATA

REGISTER

START

STOP

CONTROL LOGIC

ACK

HIGH VOLTAGE

VCC LEVEL DETECT

8 VCC

7 VCLK

6 SCL

5 SDA

●Pin Configuration

●Pin Descriptions

(TOP VIEW)

VCC VCLK SCL SDA

BR24C21

BR24C21F

BR24C21FJ

BR24C21FV

N.C. N.C. N.C. GND

Pin Name

I/O

Functions

VCC

-

Power Supply

GND

-

Ground (0V)

N.C.

-

No Connection

SCL

IN

Serial Clock Input for Bi-directional Mode

SDA

IN/OUT

Slave and Word Address,

Serial Data Input, Serial Data Output *1

VCLK

IN

Clock Input (Transmit-Only Mode)

Write Enable (Bi-directional Mode)

*1 An open drain output requires a pull-up resistor.

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© 2012 ROHM Co., Ltd. All rights reserved.

TSZ22111・15・001

3/18

TSZ02201-0R2R0G100270-1-2

10.Jul.2012 Rev.001

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