ADM1032ARMZ-001 查看數據表（PDF） - ON Semiconductor

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ADM1032ARMZ-001

±1°C Remote and Local System Temperature Monitor

ON Semiconductor 

ADM1032

ELECTRICAL CHARACTERISTICS

Parameter

Serial Bus Timing (Note 2)

Conditions

Min

Typ

Max Unit

SDATA Output Low Sink Current

ALERT Output Low Sink Current

Logic Input Current, IIH, IIL

Input Capacitance, SCLK, SDATA

SDATA forced to 0.6 V

ALERT forced to 0.4 V

6.0

mA

1.0

mA

−1.0

+1.0 mA

5.0

pF

Clock Frequency

400 kHz

SMBus Timeout (Note 3)

25

64

ms

SCLK Clock Low Time, tLOW

tLOW between 10% points

1.3

ms

SCLK Clock High Time, tHIGH

tHIGH between 90% points

0.6

ms

Start Condition Setup Time, tSU:STA

600

ns

Start Condition Hold Time, tHD:STA

Time from 10% of SDATA to 90% of SCLK

600

ns

Stop Condition Setup Time, tSU:STO

Time from 90% of SCLK to 10% of SDATA

600

ns

Data Valid to SCLK Rising Edge Time,

Time for 10% or 90% of SDATA to 10% of SCLK

100

ns

tSU:DAT

Data Hold Time, tHD:DAT

300

ns

Bus Free Time, tBUF

Between start/stop condition

1.3

ms

SCLK, SDATA Rise Time, tR

300

ns

SCLK, SDATA Fall Time, tF

300

ns

1. See Table 6 for information on other conversion rates.

2. Guaranteed by design, not production tested.

3. The SMBus timeout is a programmable feature. By default, it is not enabled. Details on how to enable it are available in the Serial Bus

Interface section.

SCLK

tLOW tR

tHD:STA

tHD:DAT

SDATA

tBUF

PS

tF

tHIGH

tSU:DAT

tHD:STA

tSU:STA

S

Figure 2. Diagram for Serial Bus Timing

tSU:STO

P

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