參數(shù)資料
型號: MACH215-15JC
廠商: LATTICE SEMICONDUCTOR CORP
元件分類: PLD
英文描述: High-Density EE CMOS Programmable Logic
中文描述: EE PLD, 15 ns, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 13/30頁
文件大?。?/td> 245K
代理商: MACH215-15JC
20
MACH215-12/15/20
TYPICAL THERMAL CHARACTERISTICS
Measured at 25
°C ambient. These parameters are not tested.
Parameter
Symbol
Parameter Description
PLCC
Units
θjc
Thermal impedance, junction to case
15
°C/W
θja
Thermal impedance, junction to ambient
40
°C/W
θjma
Thermal impedance, junction to
200 lfpm air
36
°C/W
400 lfpm air
33
°C/W
600 lfpm air
31
°C/W
800 lfpm air
29
°C/W
Plastic
θjc Considerations
The data listed for plastic
θjc are for reference only and are not recommended for use in calculating junction temperatures. The
heat-flow paths in plastic-encapsulated devices are complex, making the
θjc measurement relative to a specific location on the
package surface. Tests indicate this measurement reference point is directly below the die-attach area on the bottom center of the
package. Furthermore,
θjc tests on packages are performed in a constant-temperature bath, keeping the package surface at a
constant temperature. Therefore, the measurements can only be used in a similar environment.
Typ
ambient with air flow
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