参数资料
型号: ST5x86
厂商: 意法半导体
英文描述: 100 and 120 MHz 3.45 Volt 5x86 CPU(微处理器)
中文描述: 100和120兆赫3.45伏特5x86的CPU(微处理器)
文件页数: 36/39页
文件大小: 326K
代理商: ST5X86
ST5x86
36/39
PGA Package
Table 3.7. lists the junction-to-ambient and junction-to-case thermal resistances for the 5x86 processors
in the 168-pin PGA (pin grid array) package. These devices have an “H” or ”P” package suffix as shown
in the ordering information. Table 3.8. lists the maximum ambient temperatures permitted for various
clock frequencies at maximum I
CC
and V
CC
= 3.6 volts. The heatsink used to measure the data below is
characterized by
θ
JA
= 10
°
C/W.
Table 3.7. PGA Package Thermal Resistance with No Airflow
Table 3.8. PGA Package Maximum Ambient Temperature
(with Heatsink, Airflow = 0)
PGA THERMAL RESISTANCE (
°
C/W)
WITH HEATSINK
WITHOUT HEATSINK
θ
JA
θ
JC
θ
JA
θ
JC
12.5
2.5
17
2.0
CPU INTERNAL CLOCK FREQUENCY
AMBIENT TEMPERATURE
100 MHz
42
°
C
120 MHz
(5x86V12HS and 5x86V12PS devices only)
35
°
C
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