AM186EM-20KC/W AMD [Advanced Micro Devices], AM186EM-20KC/W Datasheet - Page 58

• 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 13 shows typical maximum ambient temperatures in degrees Centigrade for a PQFP 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 19 illustrates the typical temperatures in Table 13.
Table 13. Typical Ambient Temperatures for PQFP with 4-Layer to 6-Layer Board
58
Microcontroller
Legend:
40 MHz
33 MHz
25 MHz
20 MHz
Speed
40 MHz
33 MHz
25 Mhz
20 MHz
Figure 19.
95
80
70
75
90
85
Typical Power
1.07085
0.81125
(Watts)
Typical Ambient Temperatures for PQFP with 4-Layer to 6-Layer Board
1.239
0.649
0 fpm
Am186/188EM and Am186/188EMLV Microcontrollers
80.7247
85.3975
P R E L I M I N A R Y
77.698
88.318
0 fpm
Airflow (Linear Feet Per Minute)
200 fpm
Linear Feet per Minute Airflow
200 fpm
82.8664
80.176
89.616
87.02
400 fpm
85.0081
88.6425
400 fpm
82.654
90.914
600 fpm
87.1498
85.132
90.265
92.212
600 fpm