S7760A Datasheet, PDF (47/54 Pages) Seiko Instruments Inc – PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT)

PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E²PROM CIRCUIT)
Rev.2.0_01
S-7760A
2. AC Characteristics
2. 1 Maximum operating frequency fMAX.
vs. Power supply voltage VCCH
10000k
Ta = 25°C
1000k
100k
10k
1k
2.0
3.0
4.0
5.0
VCCH [V]
2. 3 Write time tWR vs. Ambient temperature Ta
3.0
VCCH = 4.5 V
2.0
2. 2 Write time tWR vs. Power supply voltage VCCH
3.0
Ta = 25°C
2.0
1.0
0
2.0
3.0
4.0
5.0
VCCH [V]
2. 4 Write time tWR vs. Ambient temperature Ta
3.0
VCCH = 2.3 V
2.0
1.0
1.0
0
−50
0
50
100
Ta [°C]
2. 5 SDA output delay time tAA
vs. Ambient temperature Ta
1.0
VCCH = 4.5 V
CMOS input
0.5
Low voltage input
0
−50
0
50
100
Ta [°C]
0
−50
0
50
Ta [°C]
2. 6 SDA output delay time tAA
vs. Ambient temperature Ta
1.0
VCCH = 2.3 V
CMOS input
0.5
Low voltage input
0
−50
0
50
Ta [°C]
100
100
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