參數(shù)資料
型號(hào): AM188ER-25KCW
廠商: ADVANCED MICRO DEVICES INC
元件分類: 微控制器/微處理器
英文描述: CA-BAYONET
中文描述: 16-BIT, 25 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁(yè)數(shù): 65/112頁(yè)
文件大?。?/td> 2878K
代理商: AM188ER-25KCW
Am186
TM
ER and Am188
TM
ER Microcontrollers Data Sheet
65
DRAFT
Figure 20. Typical Ambient Temperatures for PQFP with Four-Layer to Six-Layer Board
Table 15 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 20 illustrates the typical temperatures in Table 15.
Table 15.
Typical Ambient Temperatures for PQFP with Four-Layer to Six-Layer Board
Microcontroller
Speed
50 MHz
40 MHz
33 MHz
25 MHz
Typical Power
(Watts)
0.662
0.522
0.432
0.342
Linear Feet per Minute Airflow
200 fpm
89.4
91.6
93.1
94.5
0 fpm
88.0
90.6
92.3
93.8
400 fpm
90.7
92.7
93.9
95.2
600 fpm
92.0
93.7
94.9
95.9
Airflow (Linear Feet Per Minute)
0 fpm
200 fpm
400 fpm
600 fpm
I
50 MHz
G
40 MHz
N
25 Mhz
0
33 MHz
Legend:
87
89
91
93
95
97
G
G
G
G
1
1
1
1
N
N
N
N
I
I
I
I
88
90
92
94
96
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