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PC8374L Datasheet(PDF) 238 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC8374L
Description  SensorPathTM SuperI/O with Glue Functions
PDF  239 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC8374L Datasheet(HTML) 238 Page - National Semiconductor (TI)

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10.0 Device Characteristics (Continued)
www.national.com
238
Revision1.1
Figure 59. SMBus Data Bit Timing
Figure 60. SMBus Start and Stop Condition Timing
Figure 61. SMBus Restart Condition TIming
10.5 PACKAGE THERMAL INFORMATION
Thermal resistance (degrees C/W) ThetaJC and ThetaJA values for the PC8374L package are as follows:
Table 105. Theta (
Θ) J Values
Note: Airflow for ThetaJA values is measured in linear feet per minute (lfpm).
Package Type
ThetaJA@0 lfpm ThetaJA@225 lfpm ThetaJA@500 lfpm ThetaJA@900 lfpm
ThetaJC
128-PQFP
41.5
33.7
30.1
27.7
16.8
HMSDA
HMSCL
tSMBCY
tSMBDH
tSMBDS
HMSDA
HMSCL
tSMBPS
tBUF
tSMBDS
tSMBSH
Start Condition
Stop Condition
HMSDA
HMSCL
tSMBRS
tSMBDS
Restart Condition
tSMBRH
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