Datasheet S-35710M (ABLIC) - 9

WAKE-UP TIMER IC PROGRAMMABLE WAKE-UP TIMER IC WITH BUILT-IN QUARTZ CRYSTAL
Rev.1.0_00
S-35710M AC Electrical Characteristics Table 7 Measurement Conditions
Input pulse voltage Output reference voltage 0.8 × VDD V Input pulse voltage IH = 0.8 × VDD, VIL = 0.2 × VDD 0.7 × VDD Input pulse rise / fall time 20 ns V Output reference voltage OH = 0.7 × VDD, 0.3 × VDD VOL = 0.3 × VDD Output load 100 pF 0.2 × VDD
Figure 7 Input / Output Waveform during AC Measurement Table 8 AC Electrical Characteristics
(Ta = −40°C to +85°C) V = 1.8 V to 2.5 V V = 2.5 V to 5.5 V Item Symbol DD DD Unit Min. Max. Min. Max. SCL clock frequency fSCL 0 400 0 1000 kHz SCL clock "L" time tLOW 1.3 − 0.4 − μs SCL clock "H" time tHIGH 0.6 − 0.3 − μs SDA output delay time
*1
tAA − 0.9 − 0.5 μs Start condition set-up time tSU.STA 0.6 − 0.25 − μs Start condition hold time tHD.STA 0.6 − 0.25 − μs Data input set-up time tSU.DAT 100 − 80 − ns Data input hold time tHD.DAT 0 − 0 − ns Stop condition set-up time tSU.STO 0.6 − 0.25 − μs SCL, SDA rise time tR − 0.3 − 0.3 μs SCL, SDA fall time tF − 0.3 − 0.3 μs Bus release time tBUF 1.3 − 0.5 − μs Noise suppression time tl − 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 9
shows the relationship between the output load values. 9