HardLabs

BUTLER

dennowiggle·Retro-PETER·Hardware/BUTLER/BUTLER.kicad_pcb

BUTLER PCB layout, top view — open source board by dennowiggle
Simulate this board

About the BUTLER PCB

BUTLER is an open source PCB design by dennowiggle, published on GitHub under the LGPL-2.1 license. It is a 4-layer board measuring 101.6 × 101.6 mm, with 89 components from 17 distinct parts.

Other key parts include the SN74CBTD3861DBQR, SN74LVC8T245DBR, TPS3808EG50DBVR, 74AHC1G09GW,125 and 74LVC1G38GW,125. By type, the board carries 53 capacitors, 13 resistors, 10 ICs, 7 connectors, 3 diodes and 3 inductors.

It belongs with the retro computing designs in this gallery.

From the project

3.3V Retro computer project => FPGA + RCBUS + CPU boards making a custom system.

The buffer direction control signal comes from the PETER FPGA. The card uses three backplane signals for GND as well as GND planes to try and improve signal integrity.

BUTLER, from the project README
From the project README

Main components on the BUTLER

SN74CBTD3861DBQRSN74LVC8T245DBRTPS3808EG50DBVR74AHC1G09GW,12574LVC1G38GW,125

BUTLER bill of materials (BOM)

89 components, 17 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
SN74CBTD3861DBQR
SN74CBT3861PWR
Texas Instruments
U302
5
SN74LVC8T245DBR
Texas Instruments
U303, U304, U305, U306, U307
1
TPS3808EG50DBVR
Texas Instruments
U501
1
74AHC1G09GW,125
Nexperia USA Inc.
U502
2
74LVC1G38GW,125
Nexperia USA Inc.
U503, U504
1
SSW-140-02-T-D-RA
Conn_02x40_Top_Bottom
Samtec Inc.
J201
4
CONN_02X40_TOP_BOTTOM
Conn_02x40_Top_Bottom
J202, J401, J402, J403
1
SSW-140-02-T-D-RA
Conn_02x40_Top_Bottom
Samtec Inc.
J203
1
USB4105-GF-A
USB_C_Receptacle_USB2.0
GCT
J503
3
LTST-S270KGKT
LED_LTST-S270KGKT
Lite-On Inc.
D501, D502, D503
3
BLM21PG121SN1D
Murata Electronics North America
FB1, FB501, FB502
24
CL10A475KO8NNNC
4.7uF
Yaego
C201, C204, C205, C208, C303, C304, C305, C312 +16
29
CC0603KRX7R9BB104
100nF
YAGEO
C202, C203, C207, C302, C306, C307, C308, C309 +21
8
RC0603FR-0710KL
10K
Yaego
R301, R302, R303, R304, R305, R501, R502, R503
1
RC0603FR-071KL
1K00
Yaego
R504
2
RC0603FR-072K32L
2K32
Yaego
R505, R508
2
RC0603FR-075K1L
5K1
Yaego
R506, R507

BUTLER design files

The KiCad project lives in the dennowiggle/Retro-PETER repository on GitHub; these links point at the commit this page was built from.

BUTLER: common questions

How big is the BUTLER PCB?

The BUTLER measures 101.6 × 101.6 mm, has 4 copper layers and is 1.60484 mm thick.

How many components are on the BUTLER?

89 components, from 17 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the BUTLER design files?

From the dennowiggle/Retro-PETER repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the BUTLER design in my own project?

Yes, under the terms of its LGPL-2.1 license, which dennowiggle chose for the repository.

More boards in Retro-PETER

Similar boards