24LC128 datasheet(3/38 Pages) MICROCHIP

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 2010 Microchip Technology Inc.

DS21191S-page 3

24AA128/24LC128/24FC128

TABLE 1-2:

AC CHARACTERISTICS

Electrical Characteristics:

Industrial (I):

VCC = +1.7V to 5.5V TA = -40°C to +85°C

Automotive (E):

VCC = +2.5V to 5.5V TA = -40°C to 125°C

Param.

No.

Sym.

Characteristic

Min.

Max.

Units

Conditions

1FCLK

Clock frequency

—

100

400

1000

kHz

1.7V

 VCC  2.5V

2.5V

 VCC  5.5V

1.7V

 VCC  2.5V 24FC128

2.5V

 VCC  5.5V 24FC128

2THIGH

Clock high time

4000

600

500

—

1.7V

 VCC  2.5V

2.5V

 VCC  5.5V

1.7V

 VCC  2.5V 24FC128

2.5V

 VCC  5.5V 24FC128

3TLOW

Clock low time

4700

1300

500

—

1.7V

 VCC  2.5V

2.5V

 VCC  5.5V

1.7V

 VCC  2.5V 24FC128

2.5V

 VCC  5.5V 24FC128

4TR

SDA and SCL rise time

(Note 1)

—

1000

300

1.7V

 VCC  2.5V

2.5V

 VCC  5.5V

1.7V

 VCC  5.5V 24FC128

5TF

SDA and SCL fall time

(Note 1)

—

300

100

All except, 24FC128

1.7V

 VCC  5.5V 24FC128

6THD:STA Start condition hold time

4000

600

250

—

1.7V

 VCC  2.5V

2.5V

 VCC  5.5V

1.7V

 VCC  2.5V 24FC128

2.5V

 VCC  5.5V 24FC128

7TSU:STA Start condition setup time

4700

600

250

—

1.7V

 VCC  2.5V

2.5V

 VCC  5.5V

1.7V

 VCC  2.5V 24FC128

2.5V

 VCC  5.5V 24FC128

8THD:DAT Data input hold time

—

(Note 2)

9TSU:DAT Data input setup time

250

100

—

1.7V

 VCC  2.5V

2.5V

 VCC  5.5V

1.7V

 VCC  5.5V 24FC128

TSU:STO Stop condition setup time

4000

600

250

—

1.7 V

 VCC  2.5V

2.5 V

 VCC  5.5V

1.7V

 VCC  2.5V 24FC128

2.5 V

 VCC  5.5V 24FC128

TSU:WP

WP setup time

4000

600

—

1.7V

 VCC  2.5V

2.5V

 VCC  5.5V

1.7V

 VCC  5.5V 24FC128

THD:WP WP hold time

4700

1300

—

1.7V

 VCC  2.5V

2.5V

 VCC  5.5V

1.7V

 VCC  5.5V 24FC128

Note 1: Not 100% tested. CB = total capacitance of one bus line in pF.

2: As a transmitter, the device must provide an internal minimum delay time to bridge the undefined region

(minimum 300 ns) of the falling edge of SCL to avoid unintended generation of Start or Stop conditions.

3: The combined TSP and VHYS specifications are due to new Schmitt Trigger inputs, which provide improved

noise spike suppression. This eliminates the need for a TI specification for standard operation.

4: This parameter is not tested but ensured by characterization. For endurance estimates in a specific

application, please consult the Total Endurance™ Model, which can be obtained from Microchip’s web site

at www.microchip.com.

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