TCA9801 datasheet(6/38 Pages) TI2

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TCA9800

SCPS264B – MARCH 2017 – REVISED FEBRUARY 2020

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Electrical Characteristics (continued)

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN TYP(1)

MAX

UNIT

ICCA + ICCB Total quiescent supply current

VCCA = VCCB = 1.8 V,

SDAA/SCLA = VCCA,

SDAB/SCLB = VCCB

µA

Input leakage current

SDAA, SCLA

VI = VCCA, EN = GND

±10

µA

VI = GND, EN = GND

±10

SDAB, SCLB

VCCB = 0 V, VI = 3.6 V

±10

CIO

I/O Capacitance

SDAA, SCLA

VI = 0 V or 3.3 V, f = 1 MHz

SDAB, SCLB

VCCB = GND, VI = 0 V, f = 1 MHz

(1)

Times are specified with loads of 1.35 k

Ω and 50 pF on A-side and 50 pF on B-side. Different load resistance and capacitance alter the

rise and fall times, thereby changing the propagation delay.

7.6 Timing Requirements

PARAMETER

MIN

TYP

MAX

UNIT

fSCL(MAX)

Max SCL clock frequency

100

kHz

(1)

Rise time

Port A

Port B; VCCB = 1.65 V

110

Port B; VCCB = 2.5 V

100

170

Port B; VCCB = 3.6 V

144

270

(1)

Fall time

Port A

Port B

tPHL

(1)

Propagation delay high-to-low

Port A to Port B

200

Port B to Port A

250

tPLH

(1)

Propagation delay low-to-high

Port A to Port B

150

Port B to Port A

100

350

7.7 Switching Characteristics

over operating free-air temperature range (unless otherwise noted)

PARAMETER

MIN

TYP

MAX

UNIT

tstartup

Startup time

340

µs

ten

Enable time

280

1000

tdis

Disable time

740

1800

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