PT2240 Просмотр технического описания (PDF) - Princeton Technology
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PT2240 Datasheet PDF : 4 Pages
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Princeton Technology Corp.
Tel: 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Programmable Encoder IC
Pin Configurations
PT2240
VSS
1
8
VDD
VSS
1 16
S1
2 15
VPG
3 14
S0
VDD
DOUT
VPG
PGM
D1/CODE
2
3
4
7
6
5
DOUT
OSC
D0/CLK
D7
4 13
D6
5 12
OSC
D0/CLK
PT2240 (8 PINS)
D5
D4
PGM
6 11
7 10
89
D1/CODE
D2
D3
VSS
PGM
1
2
8
7
VDD
DOUT
PT2240 (16 PINS)
D2
D1/CODE
3
4
6
5
OSC
D0/CLK
PT2240-D3 (8 PINS)
Application Circuits
12V +
_
Vss
S0
S1
VPG
D7
VDD
DOUT
OSC
Rosc
RF
D6
D0/CLK
D5 D1/CODE
D4
D2
PGM
D3
Figure 1: PT2240 (8 Data) Application Circuit
Note: In order that IC protection is assured, please make sure that a diode is connected between the battery and the
VDD. If the diode is not connected and the battery polarity was inverted, then the IC will fail.
PT2240 v 1.4
Page 2
Revised Nov.1999
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