Atec Agilent-346a - Manual (Page 11)

11
QFP Package Probing
Adapter A B C D E F G H J K L M
144-Pin TQFP
(inches)
0.674 1.240 1.130 0.055 0.138 0.827 (min) 0.795 (max) 0.866±0.008 0.057 to 0.063 0.053 to 0.057 0.0197±0.0012 0.009±0.002
(millimeters) 17.13 31.50 28.70 1.40 3.50 21.00 (min) 20.20 (max) 22.00±0.20 1.450 to 1.60 1.350 to 1.45 0.500±0.03 0.220±0.05
160-Pin TQFP
(inches)
0.76 1.343 1.343 0 0.11 0.988 (min) 0.953 (max) 1.024±0.008 0.061 to 0.063 0.051 to 0.059 0.01965±0.001 0.0087 to 0.015
(millimeters) 19.2 34.11 34.11 0 2.79 25.09 (min) 24.20 (max) 26.00±0.20 1.550 to 1.61 1.3 to 1.5 0.50±0.03 0.220 to 0.38
176-Pin TQFP
(inches)
0.674 1.398 1.287 0.055 0.138 0.984 (min) 0.953 (max) 1.024±0.008 0.057 to 0.063 0.053 to 0.057 0.0197±0.0012 0.009±0.002
(millimeters) 17.13 35.50 32.70 1.40 3.50 25.00 (min) 24.20 (max) 26.00±0.20 1.450 to 1.60 1.350 to 1.45 0.50±0.03 0.220±0.05
Figure 3.3. Elastomeric probe and package dimensions for TQFP
A
E
Maximum height of components in this area
B
C
F
G
H
K
J
L
M
Adapter A B C E F G H J K L M
144-Pin PQFP/CQFP
(inches)
0.73 1.583 0.16 0.01 1.135 (min) 1.106 (max) 1.236 (max) 0.094 to 0.098 0.108 (max) .0256±0.0012 0.009±0.002
(millimeters) 18.5 40.21 4 0.3 28.85 (min) 28.10 (max) 31.40 (max) 2.40 to 2.50 2.75 (max) 0.65±.03 0.22±0.05
160-Pin PQFP/CQFP
(inches)
0.76 1.583 0.16 0.03 1.154 (min) 1.106 (max) 1.266 (max) 0.126 to 0.146 0.136 to 0.161 .0256±0.0012 0.009±0.002
(millimeters) 19.2 40.21 4 0.8 29.32 (min) 28.10 (max) 32.15 (max) 3.20 to 3.70 3.45 to 4.10 0.65±.03 0.22±0.05
208-Pin PQFP/CQFP
(inches)
0.76 1.583 0.16 0.03 1.136 (min) 1.110 (max) 1.197 to 1.213 0.126 to 0.142 0.136 to 0.161 0.0197±0.0012 0.009±0.002
(millimeters) 19.2 40.21 4 0.8 28.85 (min) 28.20 (max) 30.40 to 30.80 3.20 to 3.60 3.45 to 3.60 0.50±0.03 0.22±0.05
240-Pin PQFP/CQFP
(inches)
0.76 1.937 0.16 0.03 1.293 (min) 1.268 (max) 1.354 to 1.370 0.126 to 0.142 0.136 to 0.161 0.0197±0.0012 0.009±0.002
(millimeters) 19.2 49.20 4 0.8 32.85 (min) 32.20 (max) 34.40 to 34.80 3.20 to 3.60 3.45 to 3.60 0.50±0.03 0.22±0.05
Figure 3.4. Elastomeric probe and package dimensions for PQFP/CQFP
Maximum height of components in this area
A
B
C
D
E
F
G
H
K
J
L (non-accumulative)
M