Borg Bidirectional Shift Register

Bidirectional cascadable 8 bit shift register with 8 inputs and 8 outputs.

 

Schema, production files in the format needed for Seeed Studio.

Connectors

P1: Control Input

1 GNDPower ground.
2 VCCPower supply. HC: 2.0V - 5.5V. HCT: 4.5V - 5.5V.
3 /MRMaster reset of 74595, low active.
4 SHCPShift the register on the rising edge.
5 DINSerial data input to the shift register.
6 DOUTSerial data out.
7 /PLLoad inputs into shift register, low active.
8 STCPStore shift register in output registers on the rising edge.
9 NC1Not connected, just fed through to P2 and P4.
10NC2Not connected, just fed through to P2 and P4.

P2: Control Output

1 GNDPower ground.
2 VCCPower supply output.
3 /MRFed through from P1.
4 SHCPFed through from P1.
5 DOUTSerial data out from the shift register.
6 DINFed through to DOUT on P1.
7 /PLFed through from P1.
8 STCPFed through from P1.
9 NC1Fed through from P1.
10NC2Fed through from P1.

P3: Outputs

1GNDPower ground.
2VCCPower supply output.
3OUT1Output 1.
4OUT2Output 2.
5OUT3Output 3.
6OUT4Output 4.
7OUT5Output 5.
8OUT6Output 6.
9OUT7Output 7.
10OUT8Output 8.

P4: Inputs

1GNDPower ground.
2VCCPower supply output.
3IN1Input 1.
4IN2Input 2.
5IN3Input 3.
6IN4Input 4.
7IN5Input 5.
8IN6Input 6.
9IN7Input 7.
10IN8Input 8.

P5: Power

1,2GNDPower ground.
3,4VCCPower supply output.
5,6/NC1Not connected 1.
7,8/NC2Not connected 2.

Assembly

Bill of Materials for Outputs

Ref.CountDescription
C11100nF
C21100nF
J11Feedback
J21Output Only
M11HOLE
M21HOLE
M31HOLE
M41HOLE
P11Ctrl In
P21Ctrl Out
P31Outputs
P41Inputs
P51Power
P61GND
P71GND
U1174HC595 (Output)
U2174HC165 (Input)
U3110k
U4110k

Revisions