Holtek HT68F Series Manual page 275

HT68F20/HT68F30/HT68F40/HT68F50/HT68F60
HT68FU30/HT68FU40/HT68FU50/HT68FU60
Enhanced I/O Flash Type 8-Bit MCU with EEPROM
SAW Type 40-pin (6mm×6mm for 0.75mm) QFN Outline Dimensions
Symbol
A
A1
A3
b
D
E
e
D2
E2
L
K
Symbol
A
A1
A3
b
D
E
e
D2
E2
L
K
Rev. 2.10
D
E
A
Dimensions in inch
Min.
0.028
0.000
—
0.007
0.232
0.232
—
0.173
0.173
0.01�
0.008
Dimensions in mm
Min.
0.700
0.000
—
0.180
5.900
5.900
—
�.�0
�.�0
0.35
0.20
275
D 2
3 1
b 3 0
e
2 1
2 0
A 1
L
A 3
Nom.
0.030 0.031
0.001 0.002
0.008 REF
0.010 0.012
0.236 0.2�0
0.236 0.2�0
0.020 BSC
0.177 0.181
0.177 0.181
0.016 0.018
—
Nom.
0.750 0.800
0.020 0.050
0.203 REF
0.250 0.300
6.000 6.100
6.000 6.100
0.50 BSC
�.50
�.50
0.�0
—
4 0
1
E 2
1 0
1 1
K
Max.
—
—
—
Max.
—
—
�.60
�.60
0.�5
—
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