FM75M8X Fairchild Semiconductor, FM75M8X Datasheet - Page 5

• Manufacturer Part Number: FM75M8X
• Description: TEMPERATURE SENSOR LV 8SOIC
• Manufacturer: Fairchild Semiconductor

Specifications of FM75M8X

• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Comparator, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -40°C ~ 125°C
• Output Type: SMBus™
• Output Alarm: Yes
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Full Temp Accuracy: 4 C
• Digital Output - Bus Interface: I2C, SMBus
• Digital Output - Number Of Bits: 9 bit to 12 bit
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Description/function: Semiconductor
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Supply Current: 500 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

© 2006 Fairchild Semiconductor Corporation
FM75 Rev. 1.0.8
Serial Port Timing
t
Symbol
T:LH
t
t
t
t
t
SU:STO
SU:DAT
HD:DAT
SU:STA
HD:STA
t
t
t
t
t
HIGH
LOW
t
POR
SCL
BUF
HD
, t
T:HL
Data In
SDA
SCL
Parameter
SCL Clock Period
SCL Clock Transition Time
SCL Clock LOW Period
SCL Clock HIGH Period
Bus free time between a Stop and
a new Start Condition
Data In Set-up to SCL HIGH
Data In Hold Time
Data Out Stable after SCL LOW
SCL LOW Set-up to SDA LOW
(Repeated Start Condition)
SCL HIGH Hold after SDA LOW
(Start Condition)
SDA HIGH after SCL HIGH
(Stop Condition)
Time in which a FM75 must be
operational after a power-on reset
t
HD:STA
Data Out
t
BUF
SDA
SCL
Figure 3. Serial Port Timing Diagram
t
t
SCL
LOW
t
SU:DAT
Conditions
5
t
HIGH
t
HD:DAT
t
SU:STA
t
T:LH
10%
0.400
0.470
Min.
100
100
100
100
100
90%
1.0
1.0
t
0
HD
90%
10%
Typ.
t
T:HL
Max.
100
300
500
50
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Units
t
SU:STO
ms
µs
ns
µs
µs
µs
ns
ns
ns
ns
ns
ns