参数资料
型号: A80960HA25SL2GX
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 80960HA/HD/HT 32-Bit High-Performance Superscalar Processor
中文描述: 32-BIT, 25 MHz, RISC PROCESSOR, CPGA168
封装: PGA-168
文件页数: 29/102页
文件大小: 828K
代理商: A80960HA25SL2GX
80960HA/HD/HT
Advance Information
Datasheet
23
3.3
Package Thermal Specifications
The 80960Hx is specified for operation when T
C
(case temperature) is within the range of
0°C–85°C. T
C
may be measured in any environment to determine whether the 80960Hx is within
the specified operating range. Measure the case temperature at the center of the top surface,
opposite the pins. Refer to
Figure 5
.
T
A
(ambient temperature) is calculated from
θ
CA
(thermal resistance from case to ambient) using
the equation:
T
A
= T
C
– P*
θ
CA
Table 12
shows the maximum T
A
allowable (without exceeding T
C
) at various airflows and
operating frequencies (f
CLKIN
).
Note that T
A
is greatly improved by attaching fins or a heatsink to the package. P (maximum power
consumption) is calculated by using the typical I
CC
as tabulated in
Section 4.6, “DC
Specifications” on page 32
and V
CC
of 3.3 V.
Figure 5. Measuring 80960Hx PGA Case Temperature
Measure PGA/PQ4 temperature at
center of top surface
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