LM64EVAL National Semiconductor, LM64EVAL Datasheet - Page 6

• Manufacturer Part Number: LM64EVAL
• Description: BOARD EVALUATION LM64
• Manufacturer: National Semiconductor

Specifications of LM64EVAL

• Sensor Type: Temperature, Fan Controller
• Sensing Range: 0°C ~ 85°C
• Interface: SMBus (2-Wire/I²C)
• Sensitivity: ±1°C
• Voltage - Supply: 3 V ~ 3.6 V
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: LM64
• Lead Free Status / RoHS Status: Not applicable / Not applicable

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SMBDAT OPEN-DRAIN OUTPUT
SMBDAT, SMBCLK INPUTS
TACHOMETER ACCURACY
FAN PWM OUTPUT
Symbol
Symbol
AC Electrical Characteristics
The following specifications apply for V
wise specified in the conditions. Boldface limits apply for T
Digital Electrical Characteristics
SMBus Logical Electrical Characteristics
The following specifications apply for V
wise specified in the conditions. Boldface limits apply for T
V
Symbol
V
C
V
V
I
V
HYST
I
V
I
OH
IH
IL
IH
IL
IN
OL
IH
IL
Logical High Input Voltage
Logical Low Input Voltage
Logical High Input Current
Logical Low Input Current
Digital Input Capacitance
Logic Low Level Output Voltage
High Level Output Current
Logical High Input Voltage
Logical Low Input Voltage
Logic Input Hysteresis Voltage
Fan Control Accuracy
Fan Full-Scale Count
Fan Counter Clock Frequency
Fan Count Update Frequency
Frequency Accuracy
Parameter
Parameter
Parameter
DD
DD
= 3.0 VDC to 3.6 VDC, and all analog source impedance R
= 3.0 VDC to 3.6 VDC, and all analog source impedance R
V
V
IN
IN
Conditions
= V
= GND
Conditions
DD
I
V
OL
OUT
= 4 mA
A
A
6
= V
= T
= T
Conditions
DD
MIN
MIN
to T
to T
MAX
MAX
(Note 7)
Typical
−0.005
0.005
(Note 7)
Typical
20
; all other limits T
; all other limits T
1.0
90
(Note 7)
Typical
0.03
400
(Note 8)
A
A
Limits
(Note 8)
= +25˚C.
Limits
+10
−10
65535
2.1
0.8
= +25˚C.
±
±
10
10
S
S
(Note 8)
Limits
= 50Ω unless other-
= 50 Ω unless other-
0.4
2.1
0.8
10
µA (max)
µA (max)
V (max)
% (max)
% (max)
V (min)
(Limit)
(Limit)
µA (max)
Units
Units
(max)
V (max)
V (max)
V (min)
(Limit)
kHz
pF
Units
Hz
mV