emc2104 Standard Microsystems Corp., emc2104 Datasheet - Page 16

• Manufacturer Part Number: emc2104
• Description: Emc2104 Dual Rpm-based Pwm Fan Controller With Hardware Thermal Shutdown
• Manufacturer: Standard Microsystems Corp.

Revision 1.74 (05-08-08)
3.2
VDD = 3V to 3.6V, VDD_5V = 4.5V to 5.5V, T
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
VDD= 3V to 3.6V, T
SMBus Electrical Specifications (client mode)
SYMBOL
I
V
V
LEAK
OH
OL
SYMBOL
A
t
t
t
t
I
SU:STA
SU:STP
HD:DAT
SU:DAT
= -40°C to 85°C Typical values are at T
IH /
f
t
V
V
C
Table 3.2 Electrical Specifications (continued)
V
SMB
t
V
BUF
SP
OH
OL
IH
IN
IL
Table 3.3 SMBus Electrical Specifications
I
IL
VDD -
MIN
0.4
VDD
- 0.4
MIN
2.0
1.3
0.6
0.6
0.6
0.6
10
A
= -40°C to 85°C, all Typical values at T
DATASHEET
SMBus Interface
SMBus Timing
TYP
Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown
TYP
5
noted.
16
MAX
400
0.8
0.4
±5
50
72
6
MAX
0.4
±5
UNITS
kHz
uA
pF
ns
us
us
us
us
us
V
V
V
V
A
UNIT
= 27°C unless otherwise noted.
uA
V
V
4 mA current sink
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4 mA current drive
4 mA current sink
ALERT and SYS_SHDN pins
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A
CONDITIONS
= 27°C unless otherwise
CONDITIONS
SMSC EMC2104
Datasheet