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HT66F20 Datasheet(PDF) 237 Page - Holtek Semiconductor Inc

Part # HT66F20
Description  Enhanced A/D Flash Type MCU 8-Bit MCU with EEPROM
PDF  250 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT66F20 Datasheet(HTML) 237 Page - Holtek Semiconductor Inc

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SAW Type 40-pin (6mm
´6mm for 0.75mm) QFN Outline Dimensions
· GTK
Symbol
Dimensions in inch
Min.
Nom.
Max.
A
0.028
0.030
0.031
A1
0.000
0.001
0.002
A3
¾
0.008
¾
b
0.007
0.010
0.012
D
¾
0.236
¾
E
¾
0.236
¾
e
¾
0.020
¾
D2
0.173
0.177
0.179
E2
0.173
0.177
0.179
L
0.014
0.016
0.018
K
0.008
¾¾
Symbol
Dimensions in mm
Min.
Nom.
Max.
A
0.70
0.75
0.80
A1
0.00
0.02
0.05
A3
¾
0.20
¾
b
0.18
0.25
0.30
D
¾
6.00
¾
E
¾
6.00
¾
e
¾
0.50
¾
D2
4.40
4.50
4.55
E2
4.40
4.50
4.55
L
0.35
0.40
0.45
K
0.20
¾¾
HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
Rev. 1.20
237
June 4, 2010
D
E
e
b
A 1
A 3
A
D 2
L
E 2
K
1
1 0
1 1
2 0
2 1
3 0
3 1
4 0



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