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Revision 1.08

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AS1115

Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s

Note:

The Min / Max values of the Timing Characteristics are guaranteed by design.

Figure 3. Timing Diagram

Table 5. Timing Characteristics (CB = 550pF (max) on each Bus Line)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fSCL

SCL Frequency

1

MHz

tBUF

Bus Free Time Between STOP and START

Conditions

500

ns

tHOLDSTART

Hold Time for Repeated

START Condition

260

ns

tLOW

SCL Low Period

500

ns

tHIGH

SCL High Period

260

ns

tSETUPSTART

Setup Time for Repeated

START Condition

260

ns

tSETUPDATA Data Setup Time

50

ns

tRISE

SDA + SCL Rise Time

120

ns

tFALL

SDA + SCL Fall Time

120

ns

tSETUPSTOP STOP Condition Setup Time

260

ns

tSPIKESUP

Pulse Width of Spike Suppressed

50

ns

Key Readback

Debounce Time

20

ms

Repeated

START

SDI

SCL

START

STOP

tBUF

tLOW

tHOLDSTART

tHOLDDATA

tR

tHIGH

tF

tSETUPDATA

tHOLDSTART

tSPIKESUP

tSETUPSTOP

tSETUPSTART