www.austriamicrosystems.com/AS8650

Revision 2.0

14 - 46

AS8650A

Datasheet - Electrical Character i s t ics

1. Cb = capacitance of one bus line in pF.

stages (250ns). This allows for any series protection resistors to be connected between the SDA/SCLK pins and the SDA/SCLK bus

3. I/O pins of Fast-mode devices must not obstruct the SDA and SCLK lines if VLDO1 is switched off.

Table 14. I²C Electrical Parameters

Symbol

Parameter

Standard

Fast

Units

Min

Max

Min

Max

LOW level input voltage:

VLDO1related input levels

0.3V*LDO1

0.3V*LDO1

V

HIGH level input voltage:

VLDO1-related input levels

0.7V*LDO1

0.7V*LDO1

V

Hysteresis of Schmitt trigger input

n/a

n/a

0.05V*LDO1

V

LOW level output voltage (open drain or

open collector) at 3mA sink current

0.4

0.4

V

with a bus capacitance from

10pF to 400pF

250

(see Footnote 2)

(see Footnote 1)

250

(see Footnote 2)

ns

(lab tested

only)

Pulse width of spikes which must be

suppressed by the input filter

n/a

n/a

50

ns

Input current of each I/O pin with an

input voltage between 0.1VLDO1 and

-10

10

-10

(see Footnote 3)

10

(see Footnote 3)

µ

A

Capacitance for each I/O pin

10

10

pF

(guaranteed

by design)