AM186EM-20KC/W AMD [Advanced Micro Devices], AM186EM-20KC/W Datasheet - Page 59

• Manufacturer Part Number: AM186EM-20KC/W
• Description: High Performance, 80C186-/80C188-Compatible and 80L186-/80L188-Compatible, 16-Bit Embedded Microcontrollers
• Manufacturer: AMD [Advanced Micro Devices]

Table 14 shows typical maximum ambient temperatures in degrees Centigrade for a TQFP package used with a
4-layer to 6-layer board. The typical ambient temperatures are based on a 100-degree Centigrade maximum case
temperature. Figure 20 illustrates the typical temperatures in Table 14.
Table 14. Typical Ambient Temperatures for TQFP with 4-Layer to 6-Layer Board
Legend:
Microcontroller
40 MHz
33 MHz
25 Mhz
20 MHz
40 MHz
33 MHz
25 MHz
20 MHz
Speed
Figure 20.
95
80
70
75
90
85
Typical Power
0 fpm
1.07085
0.81125
(Watts)
Typical Ambient Temperatures for TQFP with 4-Layer to 6-Layer Board
1.239
0.649
Am186/188EM and Am186/188EMLV Microcontrollers
P R E L I M I N A R Y
74.2996
70.264
84.424
0 fpm
80.53
Airflow (Linear Feet Per Minute)
200 fpm
Linear Feet per Minute Airflow
200 fpm
76.4413
82.1525
72.742
85.722
400 fpm
400 fpm
78.583
83.775
75.22
87.02
600 fpm
80.7247
85.3975
77.698
88.318
600 fpm
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