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KTZ8866

January 2022 - Revision 04b

Page 9 of 37

Company Confidential

Electrical Characteristics4

Unless otherwise noted, the Min and Max specs are applied over the full operation temperature range of

–40°C to +85°C, while Typ values are specified at room temperature (25°C). VIN = 3.6V.

Symbol

Description

Conditions

Min

Typ

Max

Units

I2C-Compatible Timing Specifications (SCL, SDA), see Figure 15

tLOW_SCL

SCL low clock period

1.25

µs

tHIGH_SCL

SCL high clock period

0.65

µs

fSCL

SCL clock frequency

400

kHz

tSU_DAT

Data in setup time to SCL high

100

ns

tV_DAT

Data valid time

0.9

µs

tHD_DAT

Data out stable after SCL low

0

ns

tSTART

SDA low setup time to SCL low (Start)

100

ns

tSTOP

SDA high hold time after SCL high (Stop)

100

ns

tRISE

SDA/SCL rise time

VPULLUP = 1.8V, RPULLUP

= 1 kΩ,

CBUS = 100 pF

300

ns

tFALL

SDA/SCL fall time

VPULLUP = 1.8V, RPULLUP

= 1 kΩ,

CBUS = 100 pF

300

ns

Thermal Shutdown5

TJ-TH

IC thermal shutdown threshold

150

C

IC thermal shutdown hysteresis

15

C

Figure 1. I2C Compatible Interface Timing

Start

Stop

Start

SDA

t

FALL

t

RISE

70%

30%

70%

30%

30%

70%

30%

70%

30%

70% 70%

t

SU_DAT

SCL

t

FALL

70%

30%

70%

30%

t

RISE

30%

1/f

SCL

t

START

t

HD_DAT

70%

t

HIGH

30%

30%

t

LOW

t

V_DAT

9th Clock

Pulse

70%

t

STOP