HT1381A データシートの表示（PDF） - Holtek Semiconductor
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HT1381A Datasheet PDF : 14 Pages
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HT1380A/HT1381A
Pad Assignment
NC
1
NC
2
NC
3
VSS
4
X1
5
X2
6
VSS
7
(0 ,0 )
11
VDD
10
S C LK
9
I/O
8
REST
Chip size: 1136 × 900 (μm)2
* The IC substrate should be connected to VSS in the PCB layout artwork.
Pad Coordinates
Pad No.
1
2
3
4
5
6
7
8
9
10
11
X
-456.985
-456.985
-456.985
-455.590
-466.000
-466.000
-466.000
465.966
465.966
465.966
465.966
Y
333.025
264.025
195.025
109.935
-154.955
-249.955
-344.955
-309.630
-214.630
-119.630
-24.630
Unit: μm
Pad Description
Pin Name
I/O
VSS
�
X1
I
X2
O
REST
I
I/O
I/O
SCLK
I
VDD
�
Internal Connection
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
Description
Negative power supply, ground
32768Hz crystal input pad
Oscillator output pad
Reset pin with serial transmission
Data Input/Output pin with serial transmission
Serial Clock pulse pin with serial transmission
Positive power supply
Rev. 1.00
2
June 15, 2012
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