Holtek HT66F20 Manual page 291

HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
48-pin SSOP (300mil) Outline Dimensions
" &
)
,
Symbol
A
B
C
C'
D
E
F
G
H
ɑ
Symbol
A
B
C
C'
D
E
F
G
H
ɑ
Rev. 2.50
+
+ 
-
Dimensions in inch
Min.
0.395
0.29�
0.008
0.620
0.095
—
0.008
0.020
0.005
0°
Dimensions in mm
Min.
�0.03
�.39
0.20
�5.�5
2.4�
—
0.20
0.5�
0.�3
0°
29�
#
*
"
/
=
.
Nom.
—
0.295 0.299
— 0.0�4
0.625 0.630
0.�02
0.025 BSC
0.0�2 0.0�6
— 0.040
— 0.0�0
—
Nom.
— �0.6�
�.49
—
�5.88 �6.00
2.59
0.64 BSC
0.30
—
—
—
0
Max.
0.42
0.��
—
8°
Max.
�.59
0.34
2.�9
—
0.4�
�.02
0.25
8°
��ne 22� 20��