FOR AUTOMOTIVE 125°C OPERATION 2-WIRE INTERVAL TIMER CONVENIENCE TIMER

S-35740 Series

9



AC Electrical Characteristics

Table 8 Measurement Conditions

0.8

Input pulse voltage

Output reference voltage

0.2

0.7

0.3

Figure 8 Input / Output Waveform during AC Measurement

Input pulse voltage

Input pulse rise / fall time

20 ns

Output reference voltage

Output load

100 pF

Table 9 AC Electrical Characteristics

(Ta =

−40°C to +125°C)

Item

Symbol

Unit

Min.

Max.

Min.

Max.

SCL clock frequency

0

400

0

1000

kHz

SCL clock "L" time

1.3

−

0.4

−

μs

SCL clock "H" time

0.6

−

0.3

−

μs

SDA output delay time

*1

−

0.9

−

0.5

μs

Start condition set-up time

0.6

−

0.25

−

μs

Start condition hold time

0.6

−

0.25

−

μs

Data input set-up time

100

−

80

−

ns

Data input hold time

0

−

0

−

ns

Stop condition set-up time

0.6

−

0.25

−

μs

SCL, SDA rise time

−

0.3

−

0.3

μs

SCL, SDA fall time

−

0.3

−

0.3

μs

Bus release time

1.3

−

0.5

−

μs

Noise suppression time

−

50

−

50

ns

*1. Since the output form of the SDA pin is Nch open-drain output, the SDA output delay time is determined by the values

of the load resistance and load capacitance outside the IC. Figure 10 shows the relationship between the output load

values.