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HT2844 Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

Part # HT2844
Description  4-Sound Generator
PDF  18 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT2844 Datasheet(HTML) 2 Page - Holtek Semiconductor Inc

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Block Diagram
Pad Coordinates
Unit: mil
Pad No.
X
Y
Pad No.
X
Y
1
–33.53
27.05
8
12.45
–27.04
2
–33.53
18.30
9
22.40
–27.04
3
–33.53
10.22
10
33.62
5.72
4
–33.53
–14.34
11
33.62
18.38
5
–16.96
–27.04
12
33.62
27.05
6
–7.43
–27.04
13
–17.17
27.05
7
2.51
–27.04
14
–24.86
27.05
Pin Description
Pin No.
Pin Name
I/O
Description
1
TEST2
I/O
For IC test only
2
VDD
—
Positive power supply
3
NC
—
No connection
4
NC
—
No connection
5
OUT
O
Sound output
6
OUT
O
Sound output, out of phase to pin 5
7
VSS
—
Negative power supply, GND
8
TEST1
I
For IC test only
9
TEST3
I/O
For IC test only
10
OSC2
O
Oscillator output
11
OSC1
I
Oscillator input
HT2844
2
11th July ’97



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