Holtek HT66F20 Manual page 274

See Fig 2 − Type 1
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See Fig 2 − Type 2
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Rev. 2.50
HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
Dimensions in inch
Min. Nom.
0.�45 0.�65
0.2�5 0.285
0.�20 0.�35
0.��0 0.�30
0.0�4 0.0�8
0.045 0.050
— 0.� BSC
0.300 0.3�0
— —
Dimensions in mm
Min. Nom.
�8.92 �9.43
6.99 �.24
3.05 3.43
2.�9 3.30
0.36 0.46
�.�4 �.2�
— 2.54 BSC
�.62 �.8�
— —
Dimensions in inch
Min. Nom.
0.�35 0.�55
0.240 0.250
0.��5 0.�30
0.��5 0.�30
0.0�4 0.0�8
0.045 0.060
— 0.� BSC
0.300 0.3�0
— —
Dimensions in mm
Min. Nom.
�8.6� �9.�8
6.�0 6.35
2.92 3.30
2.92 3.30
0.36 0.46
�.�4 �.52
— 2.54 BSC
�.62 �.8�
— —
2�4
Max.
0.�85
0.295
0.�50
0.�50
0.022
0.060
—
0.325
0.430
Max.
�9.94
�.49
3.8�
3.8�
0.56
�.52
—
8.26
�0.92
Max.
0.��5
0.280
0.�95
0.�50
0.022
0.0�0
—
0.325
0.430
Max.
�9.69
�.��
4.95
3.8�
0.56
�.�8
—
8.26
�0.92
��ne 22� 20��