AS3608 datasheet(34/68 Pages) AMSCO

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AS3608 2v2

Data Sheet - D e t a i l e d D e s c r i p t i o n - S Y S T E M F u n c t i o n s

9.7.2 Parameter

Figure 19. 2-Wire Serial Timing

DVDD =2.9V, Tamb=25ºC, unless otherwise specified.

Table 17. 2-Wire Serial Parameter

Symbol

Parameter

Condition

Min

Typ

Max

Unit

VCSL

CSCL, CSDA Low Input Level

(max 30%DVDD)

0.87

VCSH

CSCL, CSDA High Input Level

CSCL, CSDA (min 70%DVDD)

2.03

5.5

HYST

CSCL, CSDA Input Hysteresis

200

450

800

VOL

CSDA Low Output Level

at 3mA

0.4

Tsp

Spike insensitivity

100

Clock high time

max. 400kHz clock speed

500

Clock low time

max. 400kHz clock speed

500

TSU

CSDA has to change Tsetup before rising edge

of CSCL

250

THD

No hold time needed for CSDA relative to rising

edge of CSCL

0--

CSDA H hold time relative to CSDA edge for

start/stop/rep_start

200

TPD

CSDA prop delay relative to lowgoing edge of

CSCL

1-7

CSCL

CSDA

1-7

Start

Condition

Address

R/W

ACK

Data

ACK

Data

ACK

Stop

Condition

TSU

THD

TPD

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