EMC2301 Standard Microsystems Corp., EMC2301 Datasheet - Page 10

• Manufacturer Part Number: EMC2301
• Description: Rpm-based Pwm Fan Controller
• Manufacturer: Standard Microsystems Corp.

Revision 1.2 (03-22-10)
2.2
Output High Voltage
Output Low Voltage
Leakage current
CHARACTERISTIC
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Input High/Low Current
Input Capacitance
Clock Frequency
Spike Suppression
Bus free time Start to
Stop
Setup Time: Start
Setup Time: Stop
Data Hold Time
Data Setup Time
CHARACTERISTIC
V
VDD= 3V to 3.6V, T
DD
Note 2.2
SMBus Electrical Specifications
= 3V to 3.6V, T
SYMBOL
All voltages are relative to ground.
I
V
V
LEAK
A
OH
A
OL
SYMBOL
t
t
t
t
= -40°C to 125°C Typical values are at T
= -40°C to 125°C, all Typical values at T
I
SU:STA
SU:STP
HD:DAT
SU:DAT
IH /
f
t
V
V
C
Table 2.2 Electrical Specifications (continued)
V
SMB
t
V
BUF
SP
OH
OL
IH
IN
IL
Table 2.3 SMBus Electrical Specifications
I
IL
VDD -
MIN
0.4
VDD
- 0.4
MIN
2.0
1.3
0.6
0.6
0.6
10
0
DATASHEET
SMBus Interface
SMBus Timing
TYP
TYP
5
10
MAX
400
0.8
0.4
±5
50
MAX
0.4
±5
UNITS
kHz
uA
pF
ns
us
us
us
us
us
V
V
V
V
A
A
UNIT
= 27°C unless otherwise noted.
= 27°C unless otherwise noted.
uA
V
V
4 mA current sink
Powered and unpowered
0°C < TA < 85°C
8 mA current drive
8 mA current sink
ALERT# pin
Powered and unpowered
0°C < TA < 85°C
pull-up voltage < 3.6V
RPM-Based PWM Fan Controller
CONDITIONS
CONDITIONS
SMSC EMC2301
Datasheet