ZSPM4521 datasheet(10/30 Pages) IDT

10 / 30 page

ZSPM4521 Datasheet

January 27, 2016

1.5.

2C™ Interface Timing Requirements

Electrical characteristics TJ = -40°C to 125°C, VIN = 5.3V. See Figure 2.5 for an illustration of the timing specifica-

tions given in Table 1.5.

Table 1.5

2C™ Interface Timing Characteristics

Parameter

Symbol

Standard Mode

Fast Mode

Unit

Min

Max

Min

Max

2C™ Clock Frequency

fscl

100

400

kHz

2C™ Clock High Time

tsch

0.6

µs

2C™ Clock Low Time

tscl

4.7

1.3

µs

2C™ Tolerable Spike Time 2)

tsp

2C™ Serial Data Setup Time

tsds

250

2C™ Serial Data Hold Time

tsdh

µs

2C™ Input Rise Time 2)

ticr

1000

300

2C™ Input Fall Time 2)

ticf

300

2C™ Output Fall Time; 10pF to

400pF Bus

tocf

300

2C™ Bus Free Time Between Stop

and Start

tbuf

4.7

1.3

µs

2C™ Start or Repeated Start Condition

Setup Time

tsts

4.7

0.6

µs

2C™ Start or Repeated Start Condition

Hold Time

tsth

0.6

µs

2C™ Stop Condition Setup Time 2)

tsps

0.6

µs

The I²C™ interface will operate in either standard or fast mode.

Parameter not tested in production.

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