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ADM1023 Datasheet(PDF) 4 Page - ON Semiconductor

Part No. ADM1023
Description  ACPI‐Compliant, High Accuracy Microprocessor System Temperature Monitor
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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ADM1023 Datasheet(HTML) 4 Page - ON Semiconductor

 
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ADM1023
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Table 4. ELECTRICAL CHARACTERISTICS (TA = TMIN to TMAX, VDD = 3.0 V to 3.6 V, unless otherwise noted. (Note 1)
Parameter
Unit
Max
Typ
Min
Test Conditions/Comments
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
−1.0
+1.0
mA
SMBus Input Capacitance, SCLK, SDATA
5.0
pF
SMBus Clock Frequency
400
kHz
SMBus Clock Low Time, tLOW
tLOW between 10% Points
1.3
ms
SMBus Clock High Time, tHIGH
tHIGH between 90% Points
0.6
ms
SMBus Start Condition Setup Time,
tSU:STA
0.6
ms
SMBus Start Condition Hold Time, tHD:STA
Time from 10% of SDATA to 90% of SCLK
0.6
ms
SMBus Stop Condition Setup Time, tSU:STO
Time from 90% of SCLK to 10% of SDATA
0.6
ms
SMBus Data Valid to SCLK Rising Edge
Time, tSU:DAT
Time for 10% or 90% of SDATA to 10% of SCLK
100
ns
SMBus Bus Free Time, tBUF
Between Start/Stop Condition
1.3
ms
SCLK SDATA Rise Time, tR MAX
Master Clocking in Data
300
ns
SCLK SDATA Fall Time, tF MAX
VDD = 0 V
300
ns
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
Figure 2. Diagram for Serial Bus Timing
P
S
P
tF
tR
tHD;STA
S
SCL
SDA
tLOW
tBUF
tHD;STA
tSU;STO
tHIGH
tSU;STA
tHD;DAT
tSU;DAT


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