CF1155 查看數據表（PDF） - Nippon Precision Circuits
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CF1155 Datasheet PDF : 8 Pages
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CF1155 series
TYPICAL APPLICATION
The circuits below represent the standard connections for CF1155 series devices.
Piezoelectric buzzer
VDD OUT OUT
Light
Piezoelectric buzzer
VDD OUT OUT
VSS OSH LH VSS
VSS OSH LH VSS
Circuit 1
Circuit 3
VDD
Piezoelectric buzzer
OUT OUT
VSS OSH LH VSS
Circuit 2
Note 1: There are 2 VSS pads, and either pad can be used.
Note 2: Circuit 1 is for one-shot mode, circuit 2 for level hold 1/2 modes, and circuit 3 for CdS connection.
The bonding options for the above circuits is shown in the following table.
OSH
LH
Melody mode
Yes
Yes
Level hold 1
Yes
Level hold 2
Yes
One-shot
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