NOA1305

http://onsemi.com

3

Table 3. OPERATING RANGES

Rating

Symbol

Standard Mode

Fast Mode

Unit

Min

Max

Min

Max

Power supply voltage

VDD

2.4

3.6

2.4

3.6

V

Power supply current

120

120

mA

Quiescent supply current (Note 3)

2.0

2.0

mA

Low level input voltage (VDD related input levels)

−0.5

0.3 VDD

−0.5

0.3 VDD

V

High level input voltage (VDD related input levels) (Note 4)

0.7 VDD

VDD + 0.5

0.7 VDD

VDD + 0.5

V

Hysteresis of Schmitt trigger inputs (VDD > 2 V)

N/A

N/A

0.05 VDD

−

V

Low level output voltage (open drain) at 3 mA sink current

(VDD > 2 V)

0

0.4

0

0.4

V

3

N/A

3

N/A

mA

N/A

N/A

6

N/A

mA

−

250

250

ns

Pulse width of spikes which must be suppressed by the

input filter

N/A

N/A

0

50

ns

Input current of IO pin with an input voltage between 0.1

VDD and 0.9 VDD

−10

10

−10

10

mA

Capacitance on IO pin

−

10

−

10

pF

Operating free−air temperature range

−40

85

−40

85

°C

3. Current dissipation when a software Power Down command is sent to the device.

4. Cb = capacitance of one bus line, maximum value of which including all parasitic capacitances should be less than 400 pF.

Table 4. ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Standard Mode

Fast Mode

Unit

Min

Max

Min

Max

SCL clock frequency

0

100

0

400

kHz

Hold time for START condition. After this period, the first

clock pulse is generated.

4.0

−

0.6

−

mS

Low period of SCL clock

4.7

1.3

mS

High period of SCL clock

4.0

0.6

mS

Set−up time for a repeated START condition

4.7

−

0.6

−

mS

0

3.45

0

0.9

mS

Data set−up time

250

−

100

−

nS

Rise time of both SDA and SCL (Note 6)

−

1000

300

nS

Fall time of both SDA and SCL (Note 6)

−

300

300

nS

Set−up time for STOP condition

4.0

−

0.6

−

mS

Bus free time between STOP and START condition

4.7

−

1.3

−

mS

Capacitive load for each bus line

−

400

−

400

pF

Noise margin at the low level for each connected device

(including hysteresis)

0.1 VDD

−

0.1 VDD

−

V

Noise margin at the high level for each connected device

(including hysteresis)

0.2 VDD

−

0.2 VDD

−

V

Parameter

Symbol

Typ

Typ

Unit

Internal Oscillator Frequency

1

1

MHz

5. Refer to Figure 3 for more information on AC characteristics