Holtek HT66F20 Manual page 284

24-pin SSOP (150mil) Outline Dimensions
"
)
,
Symbol
A
B
C
C'
D
E
F
G
H
α
Symbol
A
B
C
C'
D
E
F
G
H
α
Rev. 2.50
HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
!
*
+
+ 
- .
Dimensions in inch
Min.
— 0.236 BSC
— 0.�54 BSC
0.008
— 0.34� BSC
—
— 0.025 BSC
0.004
0.0�6
0.004
0°
Dimensions in mm
Min.
— 6.0 BSC
— 3.9 BSC
0.20
— 8.66 BSC
—
— 0.635 BSC
0.�0
0.4�
0.�0
0°
284
/
=
Nom. Max.
—
—
— 0.0�2
—
— 0.069
—
— 0.0�0
— 0.050
— 0.0�0
— 8°
Nom. Max.
—
—
— 0.30
—
— �.�5
—
— 0.25
— �.2�
— 0.25
— 8°
��ne 22� 20��
0