emc2101 Standard Microsystems Corp., emc2101 Datasheet - Page 12

• Manufacturer Part Number: emc2101
• Description: Emc2101 Fan Control With 1?c Accurate Temperature Monitoring
• Manufacturer: Standard Microsystems Corp.

Revision 2.53 (02-19-08)
3.4
Clock Low Period
Clock High Period
Clock/Data Fall time
Clock/Data Rise time
Capacitive Load
Input High Voltage
Input Low Voltage
Input High/Low Current
Hysteresis
Input Capacitance
Output Low Sink Current
Loading Delay
Loading Time
Clock Frequency
Spike Suppression
Bus free time Start to
Stop
Hold Time: Start
Setup Time: Start
Setup Time: Stop
Data Hold Time
CHARACTERISTIC
CHARACTERISTIC
V
V
DD
DD
Note 3.1
EEPROM Loader Electrical Specifications (EMC2101-R only)
= 3.0V to 3.6V, T
= 3.0V to 3.6V, T
300ns rise time max is required for 400kHz bus operation. For lower clock frequencies the
maximum rise time is (0.1 / f
Table 3.3 SMBus Electrical Specifications (continued)
t
t
t
t
C
V
V
I
C
t
t
f
t
t
t
t
t
t
SYMBOL
SYMBOL
LOW
HIGH
FALL
RISE
IH /
DLY
LOAD
SMB
SP
BUF
HD:STA
SU:STA
SU:STO
HD:DAT
Table 3.4 EEPROM Loader Electrical Specifications
LOAD
IH
IL
IN
A
A
I
= 0
= 0
IL
o
o
C - 85
C - 85
1.3
0.6
2.1
-1
1.3
0.6
0.6
0.6
0.3
MIN
MIN
o
o
C, Typical values are at T
C, Typical values are at T
DATASHEET
500
5
8
10
50
50
TYP
TYP
Interface
Timing
SMB
12
300
300
400
0.8
1
50
)+ 50ns.
MAX
MAX
SMBus Fan Control with 1°C Accurate Temperature Monitoring
us
us
ns
ns
pF
V
V
uA
mV
pF
mA
ms
ms
kHz
ns
us
us
us
us
us
UNITS
UNITS
A
A
= 27°C unless otherwise noted
= 27°C unless otherwise noted
Min = 20+0.1C
Min = 20+0.1C
per bus line
V
Delay after power-up until EEPROM
loading begins. (See
OL
= 0.4V
CONDITIONS
CONDITIONS
LOAD
LOAD
ns
ns
Section
SMSC EMC2101
(Note
Datasheet
4.9.)
3.1)