emc2103-3-kp-tr Standard Microsystems Corp., emc2103-3-kp-tr Datasheet - Page 15

• Manufacturer Part Number: emc2103-3-kp-tr
• Description: Emc2103 Rpm-based Fan Controller With Hardware Thermal Shutdown
• Manufacturer: Standard Microsystems Corp.

RPM-Based Fan Controller with HW Thermal Shutdown
Datasheet
SMSC EMC2103
3.2
Input High/Low Current
Input Capacitance
Clock Frequency
Spike Suppression
Bus free time Start to
Stop
Setup Time: Start
Setup Time: Stop
Temperature Decode
Output High Voltage
CHARACTERISTIC
Output Low Voltage
Tachometer Setting
Tachometer Range
Input High Voltage
Input Low Voltage
Voltage Accuracy
Leakage Current
CHARACTERISTIC
Accuracy
Accuracy
VDD = 3V to 3.6V, T
VDD= 3V to 3.6V, T
SMBus Electrical Specifications (Client Mode)
SYMBOL
Δ
TACH
V
T
I
V
V
LEAK
V
TACH
V
TRIP
TRIP
A
A
SYMBOL
OH
OL
IH
IL
t
t
= -40°C to 125°C Typical values are at T
I
= -40°C to 125°C, all Typical values at T
SU:STA
SU:STP
IH /
f
t
C
Table 3.2 Electrical Specifications (continued)
SMB
t
BUF
SP
IN
Table 3.3 SMBus Electrical Specifications
I
IL
VDD -
MIN
480
2.0
0.4
MIN
1.3
0.6
0.6
10
RPM Based Fan Controller
TRIP_SET Measurement
DATASHEET
SMBus Interface
Digital I/O pins
SMBus Timing
TYP
4
±2.5
TYP
0.5
1
15
MAX
400
±5
10
50
16000
MAX
0.5
0.8
0.4
±5
±5
1
2
UNITS
kHz
uA
pF
ns
us
us
us
UNIT
A
RPM
A
°C
°C
uA
%
%
V
V
V
V
= 27°C unless otherwise noted.
= 27°C unless otherwise noted.
Device powered or unpowered
T
A
< 85°C
1% external resistor
5% external resistor
8 mA current drive
8 mA current sink
ALERT and SYS_SHDN pins
Device powered or unpowered
T
A
< 85°C
CONDITIONS
CONDITIONS
Revision 0.88 (06-30-08)