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2019-2020 Microchip Technology Inc.

Preliminary

DS20006168B-page 4

47L64

1.1

AC CHARACTERISTICS

TABLE 1-1:

AC CHARACTERISTICS

FIGURE 1-1:

BUS TIMING DATA

AC CHARACTERISTICS

Industrial (I):

TAMB = -40°C to +85°C, VCC = 2.7V to 3.6V

Param.

No.

Symbol Characteristic

Min.

Max.

Units Conditions

1

FCLK

Clock Frequency

—

1000

kHz

2

THIGH

Clock High Time

400

—

ns

3

TLOW

Clock Low Time

600

—

ns

4

TR

SDA and SCL Input Rise Time

—

300

ns

Note 1

5

TF

SDA and SCL Input Fall Time

—

100

ns

Note 1

6

THD:STA

Start Condition Hold Time

250

—

ns

7

TSU:STA

Start Condition Setup Time

250

—

ns

8

THD:DAT Data Input Hold Time

0

—

ns

9

TSU:DAT

Data Input Setup Time

100

—

ns

10

TSU:STO Stop Condition Setup Time

250

—

ns

11

TAA

Output Valid from Clock

—

550

ns

12

TBUF

Bus Free Time: Time the bus must

be free before a new transmission

can start

500

—

ns

13

TOF

Output Fall Time from VIH

Minimum to VIL Maximum

CB  100pF

20+0.1CB

250

ns

CB  100 pF (

Note 1)

14

TSP

Input Filter Spike Suppression

(SDA and SCL pins)

—

50

ns

15

TRESTORE Power-up Recall Operation

Duration

—

550

µs

16

TSTORE

Store Operation Duration

—

10

ms

17

TVRISE

VCC Rise Rate

30

—

µs/V

Note 1

18

TvFALL

VCC Fall Rate

30

—

µs/V

Note 1

19

—

Endurance

100,000

—

Store

Cycles

25°C, VCC = 3.6V

(

Note 1, Note 2)

20

Retention

100

Years

55°C

Note 1: This parameter is not tested but ensured by characterization.

2: For endurance estimates in a specific application, consult the Total Endurance Model which can be obtained on

Microchip’s website at www.microchip.com.

SCL

SDA

IN

SDA

OUT

5

7

6

14

3

2

8

9

11

D4

4

10

12