24AA32A/24LC32A

DS21713J-page 4

© 2009 Microchip Technology Inc.

TABLE 1-2:

AC CHARACTERISTICS

AC CHARACTERISTICS

Industrial (I):

Automotive (E):

Param.

No.

Symbol

Characteristic

Min.

Max.

Units

Conditions

Clock Frequency

—

—

400

100

kHz

2.5V

1.7V

2

Clock High Time

600

4000

—

—

ns

2.5V

1.7V

Clock Low Time

1300

4700

—

—

ns

2.5V

1.7V

SDA and SCL Rise Time

(Note 1)

—

—

300

1000

ns

2.5V

1.7V

SDA and SCL Fall Time

—

300

ns

(Note 1)

Start Condition Hold Time

600

4000

—

—

ns

2.5V

1.7V

Start Condition Setup Time

600

4700

—

—

ns

2.5V

1.7V

Data Input Hold Time

0

—

ns

(Note 2)

Data Input Setup Time

100

250

—

—

ns

2.5V

1.7V

10

Stop Condition Setup Time

600

4000

—

—

ns

2.5V

1.7V

11

WP Setup Time

600

4000

—

—

ns

2.5V

1.7V

12

WP Hold Time

1300

4700

—

—

ns

2.5V

1.7V

13

Output Valid from Clock

(Note 2)

—

—

900

3500

ns

2.5V

1.7V

14

Bus free time: Time the bus

must be free before a new

transmission can start

1300

4700

—

—

ns

2.5V

1.7V

15

—

250

250

ns

2.5V

1.7V

16

Input Filter Spike Suppression

(SDA and SCL pins)

—50

ns

(Notes 1 and 3)

17

Write Cycle Time (byte or

page)

—5

ms

—

18

—

Endurance

1M

—

cycles

25°C, (Note 4)

Note 1:

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:

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 on Microchip’s web site at

www.microchip.com.