emc2105 Standard Microsystems Corp., emc2105 Datasheet - Page 17

• Manufacturer Part Number: emc2105
• Description: Emc2105 Rpm-based High Side Fan Controller With Hardware Thermal Shutdown
• Manufacturer: Standard Microsystems Corp.

RPM-Based High Side Fan Controller with Hardware Thermal Shutdown
Datasheet
SMSC EMC2105
3.2
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
Clock Low Period
Clock High Period
Clock/Data Fall time
Clock/Data Rise time
Capacitive Load
CHARACTERISTIC
VDD= 3V to 3.6V, T
SMBus Electrical Specifications (client mode)
SYMBOL
A
t
t
t
t
I
C
SU:STA
SU:STP
HD:DAT
SU:DAT
= -40°C to 85°C Typical values are at T
IH /
t
t
t
f
t
t
V
V
HIGH
C
LOW
FALL
RISE
V
SMB
t
LOAD
V
BUF
SP
OH
OL
IH
IN
IL
Table 3.3 SMBus Electrical Specifications
I
IL
VDD
- 0.4
MIN
2.0
1.3
0.6
0.6
0.6
0.6
1.3
0.6
10
DATASHEET
SMBus Interface
SMBus Timing
TYP
5
17
MAX
400
300
300
400
0.8
0.4
±5
50
72
6
UNITS
kHz
uA
pF
pF
ns
us
us
us
us
us
us
us
ns
ns
V
V
V
V
A
= 27°C unless otherwise noted.
4 mA current sink
Powered and unpowered
Min = 20+0.1C
Min = 20+0.1C
per bus line
CONDITIONS
LOAD
LOAD
Revision 1.74 (05-08-08)
ns
ns