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TS68020MF20 数据表(PDF) 9 Page - ATMEL Corporation |
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TS68020MF20 数据表(HTML) 9 Page - ATMEL Corporation |
9 / 45 page 9 TS68020 2115A–HIREL–07/02 The total thermal resistance of a package ( θ JA) can be separated into two components, θ JC and θCA, representing the barrier to heat flow from the semiconductor junction to the package (case), surface ( θ JC) and from the case to the outside ambient (θCA). These terms are related by the equation: θ JA = θJC = θCA (4) θ JC is device related and cannot be influenced by the user. However, θCA is user depen- dent and can be minimized by such thermal management techniques as heat sinks, ambient air cooling and thermal convection. Thus, good thermal management on the part of the user can significantly reduce θ CA so that θJA approximately equals θJC. Substi- tution of θ JC for θJA in equa tio n (1) wil l result i n a l ower semi co nductor j uncti on temperature. Mechanical and Environment The microcircuits shall meet all mechanical environmental requirements of MIL-STD- 883 for class B devices. Marking The document where are defined the marking are identified in the related reference doc- uments. Each microcircuit are legible and permanently marked with the following information as minimum: • ATMEL Logo • Manufacturer’s Part Number • Class B Identification • Date-code of Inspection Lot • ESD Identifier if Available • Country of Manufacturing Quality Conformance Inspection DESC/MIL-STD-883 Is in accordance with MIL-M-38510 and method 5005 of MIL-STD-883. Group A and B inspections are performed on each production lot. Group C and D inspections are per- formed on a periodical basis. Electrical Characteristics General Requirements All static and dynamic electrical characteristics specified and the relevant measurement conditions are given below. (last issue on request to our marketing services). Table 5: Static electrical characteristics for all electrical variants. Table 6: Dynamic electrical characteristics for 68020-16 (16.67 MHz), 68020-20 (20 MHz) and 68020-25 (25 MHz). For static characteristics, test methods refer to “Test Conditions Specific to the Device” on page 14 hereafter of this specification (Table 7). |
类似零件编号 - TS68020MF20 |
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类似说明 - TS68020MF20 |
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