MAX6650 Maxim, MAX6650 Datasheet - Page 3

• Manufacturer Part Number: MAX6650
• Description: Fan-Speed Regulators and Monitors with SMBus/I2C-Compatible Interface
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
TIMING CHARACTERISTICS
(V
SMBus/I
ADDRESS SELECT (ADD)
TACHOMETERS
GPIO2 (Note 2)
SMBus/I
ADD Input Low Voltage
ADD Input High Voltage
ADD External Pulldown Resistor
to GND
Open Resistance
ADD Pullup Current
Data Output Sink Current
Input Leakage Current
Input Low Voltage
Input High Voltage
Input Hysteresis
Glitch Rejection
Clock Frequency
Clock Frequency Uncertainty
SCL Clock Frequency
Bus Free Time Between Stop
and Start Condition
Hold-Time Start Condition
Low Period of the SCL Clock
High Period of the SCL Clock
Data Hold Time
Data Setup Time
Rise-Time SDA/SCL Signal
(Receiving)
Fall-Time SDA/SCL Signal
(Receiving)
Fall-Time SDA Signal
(Transmitting)
CC
CC
= 3.0V to 5.5V, T
= 3.0V to 5.5V, T
2
2
PARAMETER
PARAMETER
C INTERFACE (SDA, SCL)
C INTERFACE (Figures 3, 4)
_______________________________________________________________________________________
A
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
= -40°C to +85°C, unless otherwise noted. Typical values are at T
with SMBus/I
Fan-Speed Regulators and Monitors
SYMBOL
SYMBOL
V
V
t
t
t
R
HD:STA
HD:DAT
SU:DAT
IH(ADD)
IL(ADD)
R
t
V
t
I
I
f
f
t
f
HIGH
OPEN
LOW
ADD
SDA
V
CLK
CLK
BUF
V
SCL
ADD
HYS
t
t
t
R
IH
F
F
IL
Selects slave address 1001 000 (Table 1)
Selects slave address 1001 011 (Table 1)
Selects slave address 0011 111 (Table 1)
Minimum resistance to GND, selects slave
address 0011 011 (Table 1)
V
V
0 < V
V
V
Minimum pulse duration
V
(Note 3)
(Note 4)
(Note 4)
I
SINK
ADD
SDA
CC
CC
CC
= 5V
≤ 3.6V
> 3.6V
IN
< 6mA (Note 4)
= 0.6V
= 0.5V
< V
CC
CONDITIONS
CONDITIONS
2
C-Compatible Interface
A
A
= +25°C and V
= +25°C and V
20 + 0.1C
20 + 0.1C
20 + 0.1C
V
CC
MIN
MIN
100
9.5
-10
1.3
0.6
1.3
0.6
40
5
6
2
3
0
0
- 0.05V
B
B
B
CC
CC
(pf)
(pf)
(pf)
TYP
TYP
500
254
200
= 5V.)
= 5V.)
MAX
MAX
10.5
+10
400
900
300
300
250
0.1
0.8
80
±1
UNITS
UNITS
kHz
kHz
mA
mV
kΩ
kΩ
µA
µA
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
%
V
V
V
V
3