第1章简介
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
0.3TYP
0.270MAX
0.250MIN
0.984MAX
0.968MIN
0.170MAX
0.015MIN
0.1TYP
0.065MAX
0.055MIN
0.022MAX
0.015MIN
0.135MAX
0.125MIN
0.008MIN
0.012MAX
0~15
纲要（单位：英寸）
图1-10 20PDIP引脚尺寸
20
19
1 8 17
16
15
14
13
12
11
1
0.104MAX
0.093MIN
2
3
4
5
6
7
8
9
10
0.419MAX
0.398MIN
0.299MAX
0.292MIN
0.5118MAX
0.4961MIN
0.0118MAX
0.004MIN
0.020MAX
0.014MIN
0.05TYP
0.125MAX
0.0091MIN
纲要（单位：英寸）
图1-11 20SOP引脚尺寸
1- 5
0.016MIN
0.042MAX
