CF1156 series
TYPICAL APPLICATION
The circuits below represent the standard connections for CF1156 series devices.
VDD
LO
BO
VDD
LO
BO
Light
VSS OSH
LH
VSS
CdS
VSS OSH
LH
VSS
Circuit 1
Circuit 3
VDD
LO
BO
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
Yes
LH
Yes
Yes
Yes
Melody mode
Level hold 1
Level hold 2
One-shot
SEIKO NPC CORPORATION —7
NPC [ NIPPON PRECISION CIRCUITS INC ]
