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THMC50 Datasheet(PDF) 5 Page - Texas Instruments

Part No. THMC50
Description  REMOTE/LOCAL TEMPERATURE MONITOR AND FAN CONTROLLER WITH SMBus INTERFACE
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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THMC50 Datasheet(HTML) 5 Page - Texas Instruments

 
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THMC50
REMOTE/LOCAL TEMPERATURE MONITOR AND
FAN CONTROLLER WITH SMBus INTERFACE
SLIS090 – JULY 1999
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
dc electrical characteristics, VCC3 = V(VCC3AUX) = 3.3 V, TA = 25°C (unless otherwise noted)
(continued)
digital output: ADD/NTEST_OUT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VOH
Logical 1 output voltage
IOUT = –3 mA at V(VCC3AUX) = 2.85 V
2.4
V
VOL
Logical 0 output voltage
IOUT = 3 mA at V(VCC3AUX) = 3.8 V
0.4
V
open-drain digital outputs: THERM, INT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VOL
Logical 0 output voltage
IOUT = 3 mA at V(VCC3AUX)= 3.8 V
0.4
V
IOH
High level output current
VOUT = V(VCC3AUX) = 3.8 V
0.1
100
µA
open-drain digital outputs: RST, AUXRST
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VOL
Logical 0 output voltage
IOUT = 3 mA at V(VCC3AUX) = 3.8 V
0.4
V
VOL
Logical 0 output voltage
IOUT = 3 mA at V(VCC3AUX) = 1 V
0.4
V
IOH
High level output current
VOUT = V(VCC3AUX) = 3.8 V
0.1
100
µA
open-drain digital output: FAN_OFF
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VOL
Logical 0 output voltage
IOUT = 6 mA at V(VCC3AUX) = 3.8 V
0.4
V
IOH
High level output current
VOUT = V(VCC3AUX) = 3.8 V
0.1
100
µA
open-drain SMBus output: SDA
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VOL
Logical 0 output voltage
IOUT = 3 mA at V(VCC3AUX)= 3.8 V
0.4
V
IOH
High level output current
VOUT = V(VCC3AUX) = 3.8 V
0.1
100
µA
SMBus digital inputs: SCL, SDA
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VIH
Logical 1 input voltage
0.7
× V(VCC3AUX)
V
VIL
Logical 0 input voltage
0.3
× V(VCC3AUX)
V
digital inputs: FAN_SPD/NTEST_IN, ADD/NTEST_OUT, MR, GPI
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VIH
Logical 1 input voltage (5 V)
2.4
V
VIL
Logical 0 input voltage (5 V)
0.8
V
VIH
Logical 1 input voltage (3.3 V)
2
V
VIL
Logical 0 input voltage (3.3 V)
0.4
V
IIH
Logical 1 input current
VIN = V(VCC3AUX)
–0.005
–1
mA
IIL
Logical 0 input current (except MR)
VIN =0Vdc
0.005
1
mA
IIL
Logical 0 input current (MR)
VIN = 0 V dc
165
250
µA
C(IN)
Digital input terminal capacitance
Design parameter only – not tested
20
pF


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