CF1155 Datasheet, PDF (6/7 Pages) Nippon Precision Circuits Inc – Melody LSIs

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 V_SS 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
NIPPON PRECISION CIRCUITS—6