MAX6653AEE View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX6653AEE Datasheet PDF : 24 Pages
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Temperature Monitors and
PWM Fan Controllers
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +3.0V to +5.5V, TA = 0°C to +125°C, unless otherwise noted. Typical values are at VCC = +3.3V, TA = +25°C.) (Note1)
PARAMETER
SYMBOL
CONDITIONS
Temperature Conversion Time
Conversion Rate Timing Error
Remote-Diode Sourcing Current
(Note 2)
High level
Low level
DXN Source Voltage
TACHOMETER Input Hysteresis
SDL, SDR, THERM, FAN_FAULT, SMBDATA,
Output Low Voltage (Sink Current) VOL PWM_OUT, VCC = +3V, IOUT = 6mA,
INT, VCC = +3V, IOUT = 4mA
Output High Leakage Current
Logic Low Input Voltage
Logic High Input Voltage
IOH
INT, SDL, SDR, THERM, FAN_FAULT,
SMBDATA, PWM_OUT
VIL
SMBDATA, SMBCLK, INT, THERM, TACH/AIN
VIH
SMBDATA, SMBCLK, INT,
THERM, TACH/AIN
3.0V
5.5V
Input Leakage Current
ILEAK
SMBDATA, SMBCLK, INT, THERM;
VIN = VCC or GND
Input Capacitance
CIN
SMBus TIMING
Serial Clock Frequency
Clock Low Period
Clock High Period
fSCLK
tLOW
tHIGH
(Note 2)
10% to 10% (Note 2)
90% to 90% (Note 2)
Bus Free Time Between Stop and
Start Condition
tBUF (Note 2)
MIN TYP MAX UNITS
250
ms
25
25
%
80 100 120
µA
8
10
12
0.7
V
100
mV
0.4
V
1
µA
0.8
V
2.2
V
2.6
±1
µA
5
pF
10
100 kHz
4
µs
4.7
µs
4.7
µs
SMBus Start Condition Setup
Time
Start Condition Hold Time
Stop Condition Setup Time
Data Setup Time
Data Hold Time
SMBus Fall Time
SMBus Rise Time
SMBus Timeout
tSU:STA 90% of SMBCLK to 90% of SMBDATA (Note 2) 4.7
µs
tHD:STO 10% of SMBDATA to 10% of SMBCLK (Note 2)
4
µs
tSU:STO 90% of SMBCLK to 10% of SMBDATA (Note 2)
4
µs
tSU:DAT 10% of SMBDATA to 10% of SMBCLK (Note 2) 250
ns
tHD:DAT 10% of SMBCLK to 10% of SMBDATA (Note 2) 300
ns
tF
(Note 2)
300
ns
tR
(Note 2)
1000 ns
29
37
45
ms
Note 1: Tested at +85oC. Values through the temperature range are guaranteed by design.
Note 2: Not production tested, guaranteed by design.
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