參數資料
型號: PALCE16V8Z-12PI
廠商: LATTICE SEMICONDUCTOR CORP
元件分類: PLD
英文描述: EE CMOS Zero-Power 20-Pin Universal Programmable Array Logic
中文描述: EE PLD, 12 ns, PDIP20
封裝: PLASTIC, DIP-20
文件頁數: 24/32頁
文件大?。?/td> 635K
代理商: PALCE16V8Z-12PI
30
PALCE16V8 and PALCE16V8Z Families
USE
GAL
DEVICES
FOR
NEW
DESIGNS
TYPICAL THERMAL CHARACTERISTICS
Measured at 25
°C ambient. These parameters are not tested.
Plastic
θ
jc Considerations
The data listed for plastic
θ
jc are for reference only and are not recommended for use in calculating junction temperatures. The
heat-ow paths in plastic-encapsulated devices are complex, making the
θ
jc measurement relative to a specic location on the pack-
age surface. Tests indicate this measurement reference point is directly below the die-attach area on the bottom center of the package.
Furthermore,
θ
jc tests on packages are performed in a constant-temperature bath, keeping the package surface at a constant tem-
perature. Therefore, the measurements can only be used in a similar environment.
Parameter
Symbol
Parameter Description
Typ
Unit
PDID
PLCC
θ
jc
Thermal impedance, junction to case
25
22
°C/W
θ
ja
Thermal impedance, junction to ambient
71
64
°C/W
θ
jma
Thermal impedance, junction to ambient with air ow
200 lfpm air
61
55
°C/W
400 lfpm air
55
51
°C/W
600 lfpm air
51
47
°C/W
800 lfpm air
47
45
°C/W
Figure 3. Power-Up Reset Waveform
tPR
tWL
tS
4 V
VCC
Power
Registered
Output
Clock
16493E-12
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相關代理商/技術參數
參數描述
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