Datasheet S-35710 (ABLIC) - 9

WAKE-UP TIMER IC PROGRAMMABLE WAKE-UP TIMER IC
Rev.1.0_00
S-35710 Series AC Electrical Characteristics Table 8 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 9 Input / Output Waveform during AC Measurement Table 9 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 11
shows the relationship between the output load values. 9