THMC10

REMOTE/LOCAL TEMPERATURE MONITOR

WITH SMBus INTERFACE

SLIS089 – DECEMBER 1999

5

POST OFFICE BOX 655303

A/D and supply

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

t(CONV)

One-shot conversion time

One-shot mode from SMBus stop bit to temperature

conversion completed (both channels)

12

ms

Acquisition rate accuracy

Auto-aquire mode

–25%

25%

SMBus

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

f(SCLK)

SCLK operating frequency

See Figure 1

10

100

kHz

t(BUF)

Bus free time between stop and start condition

See Figure 1

4.7

µs

t(HDSTA)

Hold time after (repeated) start condition. After this period, the

first clock is generated

See Figure 1

4

µs

t(SUSTA)

Repeated start condition setup time

See Figure 1

4.7

µs

t(SUSTO)

Stop condition setup time

See Figure 1

4

µs

t(HDDAT)

Data hold time

See Figure 1

300

ns

t(SUDAT)

Data setup time

See Figure 1

250

ns

t(LOW)

SCLK clock low period

See Figure 1

4.7

µs

t(HIGH)

SCLK clock high period

See Figure 1

4

50

µs

t(LOWSEXT)

Cumulative clock low extend time (slave device)

See Figure 1

25

ms

t(LOWMEXT)

Cumulative clock low extend time (master device)

See Figure 1

10

ms

tF

Clock/data fall time

See Figure 1

300

ns

tR

Clock/data rise time

See Figure 1

1000

ns