ADM1023ARQZ-REEL 查看數據表（PDF） - ON Semiconductor

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ADM1023ARQZ-REEL

ACPI-Compliant, High Accuracy Microprocessor System Temperature Monitor

ON Semiconductor 

ADM1023

ELECTRICAL CHARACTERISTICS (TA = TMIN to TMAX, VDD = 3.0 V to 3.6 V, unless otherwise noted. (Note 1)

Parameter

Test Conditions / Comments

Min

Typ

Max

Unit

SMBus Interface (See Figure 2)

Logic Input High Voltage, VIH

STBY, SCLK, SDATA

VDD = 3.0 V to 5.5 V

2.2

V

Logic Input Low Voltage, VIL

STBY, SCLK, SDATA

VDD = 3.0 V to 5.5 V

0.8

V

SMBus Output Low Sink Current

SDATA forced to 0.6 V

6.0

mA

ALERT Output Low Sink Current

ALERT forced to 0.4 V

1.0

mA

Logic Input Current, IIH, IIL

SMBus Input Capacitance, SCLK, SDATA

−1.0

+1.0

mA

5.0

pF

SMBus Clock Frequency

400

kHz

SMBus Clock Low Time, tLOW

tLOW between 10% points

1.3

SMBus Clock High Time, tHIGH

tHIGH between 90% points

0.6

SMBus Start Condition Setup Time,

0.6

tSU:STA

SMBus Start Condition Hold Time, tHD:STA Time from 10% of SDATA to 90% of SCLK

0.6

SMBus Stop Condition Setup Time, tSU:STO Time from 90% of SCLK to 10% of SDATA

0.6

SMBus Data Valid to SCLK Rising Edge

Time, tSU:DAT

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

100

SMBus Bus Free Time, tBUF

Between start/stop condition

1.3

SCLK SDATA Rise Time, tR MAX

Master clocking in data

SCLK SDATA Fall Time, tF MAX

VDD = 0 V

1. TMAX = 120°C, TMIN = 0°C

2. TD is the temperature of the remote thermal diode; TA, TD = 60°C to 100°C

3. Operation at VDD = 5.0 V guaranteed by design; not production tested

4. Guranteed by design; not production tested

ms

ms

ms

ms

ms

ns

ms

300

ns

300

ns

tLOW

tR

SCL

tHD;STA

tHD;DAT

SDA

tBUF

P

S

tF

tHIGH

tSU;DAT

tHD;STA

tSU;STA

S

Figure 2. Diagram for Serial Bus Timing

tSU;STO

P

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