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HT1621 Datasheet(PDF) 18 Page - Holtek Semiconductor Inc

Part No. HT1621
Description  RAM Mapping 324 LCD Controller for I/O MCU
Download  21 Pages
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Maker  HOLTEK [Holtek Semiconductor Inc]
Homepage  http://www.holtek.com
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HT1621 Datasheet(HTML) 18 Page - Holtek Semiconductor Inc

 
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48-pin LQFP (7mm
´7mm) Outline Dimensions
Symbol
Dimensions in inch
Min.
Nom.
Max.
A
0.350
¾
0.358
B
0.272
¾
0.280
C
0.350
¾
0.358
D
0.272
¾
0.280
E
¾
0.020
¾
F
¾
0.008
¾
G
0.053
¾
0.057
H
¾¾
0.063
I
¾
0.004
¾
J
0.018
¾
0.030
K
0.004
¾
0.008
a
0
°¾
7
°
Symbol
Dimensions in mm
Min.
Nom.
Max.
A
8.90
¾
9.10
B
6.90
¾
7.10
C
8.90
¾
9.10
D
6.90
¾
7.10
E
¾
0.50
¾
F
¾
0.20
¾
G
1.35
¾
1.45
H
¾¾
1.60
I
¾
0.10
¾
J
0.45
¾
0.75
K
0.10
¾
0.20
a
0
°¾
7
°
HT1621/HT1621G
Rev. 2.90
18
November 9, 2010
PATENTED
3 6
2 5
3 7
2 4
1 3
1 2
1
4 8
A
B
C
D
E
F
G
H
I
J
K
a


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