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TC654EUNT Datenblatt(PDF) 4 Page - Microchip Technology

Teilenummer TC654EUNT
Bauteilbeschribung  Dual SMBus??PWM Fan Speed Controllers With Fan Fault Detection
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Hersteller  MICROCHIP [Microchip Technology]
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TC654EUNT Datenblatt(HTML) 4 Page - Microchip Technology

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TC654/TC655
DS20001734C-page 4
 2002-2014 Microchip Technology Inc.
TEMPERATURE SPECIFICATIONS
TIMING SPECIFICATIONS
2-Wire Serial Bus Interface
Logic Input High
VIH
2.1
V
Note 2
Logic Input Low
VIL
——
0.8
V
Logic Output Low
VOL
——
0.4
V
IOL = 3 mA
Input Capacitance SDA, SCLK
CIN
—10
15
pF
Note 1
I/O Leakage Current
ILEAK
-1.0
+1.0
µA
SDA Output Low Current
IOLSDA
6—
mA
VOL = 0.6V
Electrical Characteristics: Unless otherwise noted, all parameters apply at VDD = 3.0V to 5.5V
Parameters
Symbol
Min
Typ
Max
Units
Conditions
Temperature Ranges
Specified Temperature Range
TA
-40
+85
°C
Operating Temperature Range
TA
-40
+125
°C
Storage Temperature Range
TA
-65
+150
°C
Thermal Package Resistances
Thermal Resistance, 10 Pin MSOP
JA
—113
°C/W
Electrical Characteristics: Unless otherwise noted, all limits are specified for VDD = 3.0V to 5.5V,
-40°C <TA < +85°C
Parameters
Sym
Min
Typ
Max
Units
Conditions
SMBus Interface (See Figure 1-1)
Serial Port Frequency
fSC
0
100
kHz
Note 1
Low Clock Period
tLOW
4.7
µsec
Note 1
High Clock Period
tHIGH
4.7
µsec
Note 1
SCLK and SDA Rise Time
tR
1000
nsec
Note 1
SCLK and SDA Fall Time
tF
300
nsec
Note 1
Start Condition Setup Time
tSU(START)
4.7
µsec
Note 1
SCLK Clock Period Time
tSC
10
µsec
Note 1
Start Condition Hold Time
tH(START)
4.0
µsec
Note 1
Data in SetupTime to SCLK
High
tSU-DATA
250
nsec
Note 1
Data in Hold Time after SCLK
Low
tH-DATA
300
nsec
Note 1
Stop Condition Setup Time
tSU(STOP)
4.0
µsec
Note 1
Bus Free Time Prior to New
Transition
tIDLE
4.7
µsec
Note 1 and Note 2
Note 1: Not production tested, ensured by design, tested during characterization.
2: Time the bus must be free before a new transmission can start.
ELECTRICAL SPECIFICATIONS (CONTINUED)
Electrical Characteristics: Unless otherwise noted, all limits are specified for VDD = 3.0V to 5.5V,
-40°C <TA < +85°C.
Parameters
Sym.
Min.
Typ.
Max.
Units
Conditions
Note 1: Not production tested, ensured by design, tested during characterization.
2: For 5.0V > VDD  5.5V, the limit for VIH = 2.2V.


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