FM24C02 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FM24C02

2K-Bit Standard 2-Wire Bus Interface Serial EEPROM

Fairchild Semiconductor 

Write Cycle Timing

SCL

SDA

8th BIT

ACK

Note:

WORD n

STOP

CONDITION

tWR

START

CONDITION

The write cycle time (tWR) is the time from a valid stop condition of a write sequence to the end of the internal erase/program cycle.

Typical System Configuration

VCC

VCC

SDA

SCL

Master

Transmitter/

Receiver

Slave

Receiver

Slave

Transmitter/

Receiver

Master

Transmitter

Master

Transmitter/

Receiver

Note: Due to open drain configuration of SDA and SCL, a bus-level pull-up resistor is called for, (typical value = 4.7kΩ)

Example of 16K of Memory on 2-Wire Bus

Note:

The SDA pull-up resistor is required due to the open-drain/open collector output of IIC bus devices.

The SCL pull-up resistor is recommended because of the normal SCL line inactive 'high' state.

It is recommended that the total line capacitance be less than 400pF

VCC

VCC

SDA

SCL

VCC

VCC

VCC

VCC

24C02/03

A0 A1 A2 VSS

24C02/03

A0 A1 A2 VSS

24C04/05

A1 A2 VSS

24C08/09

A2 VSS

To To To

VSS VSS VSS

To To To

VCC VSS VSS

To To

VCC VSS

To

VCC

Device

FM24C02U/03U

FM24C04U/05U

FM24C08U/09U

FM24C16U/17U

Address Pins Present

A0

A1

A2

Yes

Yes

Yes

No

Yes

Yes

No

No

Yes

No

No

No

Memory Size

2048 Bits

4096 Bits

8192 Bits

16,384 Bits

# of Page

Blocks

1

2

4

8

6

FM24C02U/03U Rev. A.3

www.fairchildsemi.com

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