Datasheet

kΩ9.5 10.5Selects slave address 3Eh (Table 1)R
ADD
ADD External Pulldown Resistor
to GND
Selects slave address 36h (Table 1) (Note 3) µA-1 0I
LADD
ADD Input Leakage
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 3.0V to 5.5V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C and V
CC
= 5V.)
TIMING CHARACTERISTICS
(V
CC
= 3.0V to 5.5V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C and V
CC
= 5V.)
Fan-Speed Regulators and Monitors
with SMBus/I
2
C-Compatible Interface
Maxim Integrated 3
MAX6650/MAX6651
Selects slave address 96h (Table 1)
Selects slave address 90h (Table 1)
CONDITIONS
VV
CC
- 0.05V
IH(ADD)
ADD Input High Voltage
V0.1V
IL(ADD)
ADD Input Low Voltage
UNITSMIN TYP MAXSYMBOLPARAMETER
ADDRESS SELECT (ADD)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
µs500Minimum pulse durationGlitch Rejection
kHz254f
CLK
Clock Frequency
kHz0 400f
SCL
SCL Clock Frequency
µs1.3t
BUF
Bus Free Time Between Stop
and Start Condition
Hold-Time Start Condition t
HD:STA
0.6 µs
µs1.3t
LOW
Low Period of the SCL Clock
High Period of the SCL Clock t
HIGH
0.6 µs
µs0 900(Note 5)t
HD:DAT
Data Hold Time
Data Setup Time t
SU:DAT
100 ns
ns20 + 0.1C
B
(pF) 300(Note 6)t
R
Rise-Time SDA/SCL Signal
(Receiving)
Fall-Time SDA/SCL Signal
(Receiving)
t
F
(Note 6) 20 + 0.1C
B
(pF) 300 ns
ns20 + 0.1C
B
(pF) 250I
SINK
< 6mA (Note 6) t
F
Fall-Time SDA Signal
(Transmitting)
%-10 +10V
CC
= 5Vf
CLK
Clock Frequency Uncertainty
TACHOMETERS
GPIO2 (Note 2)
SMBus/I
2
C INTERFACE (Figures 3, 4)
V
ADD
= 0.5V (Note 4)
SMBus/I
2
C INTERFACE (SDA, SCL)
µA-80 -40I
ADD
ADD Pulldown Current
V
SDA
= 0.6V mA6I
SDA
Data Output Sink Current
V
CC
≤ 3.6V
V
2
V0.8V
IL
Input Low Voltage
0 < V
IN
< V
CC
µA±1Input Leakage Current
V
CC
> 3.6V 3
V
IH
Input High Voltage
mV200V
HYS
Input Hysteresis