
Integrated Circuits
Device Quantity
Designators
Description
CD40106
3
U2, U10 – U11
Hex Schmitt Trigger
CD4013
1
U5
Dual D Flip Flop
CD4034
2
U6 – U7
8 Bit Shift Register with
Parallel Load
CD4053
1
U9
Quad 1 of 2 Switch
CD4071
1
U3
Quad 2 Input OR Gate
CD4093
3
U4, U12 – U13
Quad 2 Input NAND
Schmitt Trigger
LM324
2
U14, U15
Quad Op Amp
LM358
2
U1, U8
Dual Op Amp
IC Sockets
Type Quantity
Designators
Width
24 Pin DIP
2
X6, X7
0.6”
16 Pin DIP
1
X9
0.3”
14 Pin DIP
10
X2-X5, X10-X15
0.3”
8 Pin DIP
2
X1, X8
0.3”
Header Connectors
Number of Pins
Quantity
Designators
Description
8
8
J2-J9
Sip Header, 0.1” Center
6
2
J10-J11
Sip Header, 0.1” Center
3
1
J12
Sip Header, 0.1” Center
2
2
J1, J13
Sip Header, 0.1” Center
PCB
electro-music
Klee Sequencer Digital PCB
B-2