2 layers389 × 136.2 mm
4 layers52.5 × 27.3 mm
FlashSCSI
schenkmi/electronic-projects6misc electronic projects
- Size
- 52.5 × 27.3 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 62
- Nets
- 63
- Pads
- 319
- Tracks, vias
- 1,243, 133
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 6 Oct 2020
- Updated
- 31 Oct 2026
Overview
FlashSCSI is an open-source printed circuit board by schenkmi, from the schenkmi/electronic-projects repository on GitHub, published under the CERN-OHL-W-2.0 licence. It is a 4-layer board of 52.5 × 27.3 mm with 62 parts on 63 nets, routed with 1,243 tracks and 133 vias.
It is built around the CY8C5267AXI-LP051 and B5819W. Its parts include 23 resistors, 21 capacitors, 6 ICs, 4 connectors and 3 diodes. It belongs with the audio and music boards of this library.
Main components
2README
README.mdelectronic-projects
misc electronic projects
History
2026.09.19
pre-amp-ECC86/kicad/psu-v6
Large PCB PSU for ECC86 with high side switch. Support LT3080 and LM317. Fix Drain/Source.
2026.09.02
pre-amp-ECC86/kicad/psu-v5
Large PCB PSU for ECC86 with high side switch. Support LT3080 and LM317
2026.08.26
pre-amp-ECC86/kicad/psu-v4
Large PCB PSU for ECC86 without relais. Support LT3080 and LM317
2026.08.23
input-sel-attenuator/software/v9
Power up timer to 64ms wait till voltage is stabilized
2026.08.10
pre-amp-ECC86/kicad/psu-v3
Large PCB PSU for ECC86
2026.08.01
pre-amp-ECC86/kicad/psu-v2
Shrinked and optimized PSU for ECC86
2026.07.22
pre-amp-ECC86/kicad/psu-v1
First version of PSU for ECC86
2026.07.12
pre-amp-ECC86/kicad/v1
First version of ECC86 based pre-amplifier
spdif-recv-ak4118-ak4137/software/spdif-recv-ak4118-ak4137-v4.X
Updated software for V4 PCB
2026.06.05
dac-pcm1702-v1/kicad-psu-v8/
DC/DC for +5V digital path
dac-pcm1702-v1/kicad-asrc-v14
PCB LED fix External LED support
spdif-recv-ak4118-ak4137/kicad/v4
External LED support Change one LDO to TLV1117-3.3 due to power dissipation
2026.05.28
dac-pcm1702-v1/kicad-asrc-v13
PCB re-design with fixed LED ordering
2026.05.27
pre-amp-26A7/ltspice/v2/
New CCS simulation with smaller FETs
2026.05.26
dac-pcm1702-v1/software/spdif-recv-asrc-4392-v12.X
New software for SPDIF ASRC receiver including UART and IR
2026.05.16
dac-pcm1702-v1/kicad-asrc-v12
PSU re-design, UART for debugging, I2C debugging, IR
spdif-recv-ak4118-ak4137/kicad/v3
Add IR support
2026.05.10
spdif-recv-cs8416-ak4137/kicad/v7
Improved power supply, I2S debug, Serial console
spdif-recv-ak4118-ak4137/kicad/v2
Small redesign
2026.04.25
spdif-recv-ak4118-ak4137/kicad/v1
Finalize and ordered
pre-amp-26A7/kicad/v2
Finalize and ordered
2026.03.29
pre-amp-26A7/kicad/v1
Finalize and ordered v1
2026.03.28
lv-psu-dcdc/kicad/fixed-v3
Better thermal management for DC/DC
lv-lownoise-psu/kicad/v7-dcdc-large-cap
Better thermal handling on DC/DC
input-sel-attenuator/kicad/v9-10k-47k
Changed footprint for L1 and C1
2026.03.11
lv-psu-dcdc/kicad/fixed-v2
Eval board with different inductors
hv-psu-discrete/kicad/maida-lt3080-v5
HV PSU with DC/DC for +5V output
2026.03.05
lv-lownoise-psu/kicad/v6-dcdc-large-cap
Finalize v6 with large reservoir cap
2026.02.25
hv-psu-discrete/kicad/maida-lt3080-v5-26A7GT
HV PSU for 26A7 pre-amp
2026.01.13
input-sel-attenuator/software/ir-debug-v3
Update MCC generated code
dac-pcm1792a/software/asrc-pcm1792a-v4.X
Update MCC generated code
dac-pcm1702-v1/software/v8
Update MCC generated code
spdif-recv-cs8416-ak4137/software/spdif-recv-cs8416-ak4137-v5.X
Update MCC generated code
input-sel-attenuator/software/v9
Update MCC generated code
rpi-hat-spdif/kicad/V9
RPI HAT SPDIF Output increase hole diameter to 3.2mm
rpi-hat-spdif/kicad/V9-min
RPI HAT SPDIF Output minized PCB increase hole diameter to 3.2mm
2026.01.01
adapter/spdif/kicad/v2
LVDS SPDIF XMIT with rotated connector
adapter/spdif/kicad/v2b
LVDS SPDIF XMIT with standard connector
rpi-hat-spdif/kicad/V7-min
RPI HAT SPDIF Output minized PCB
rpi-hat-spdif/kicad/V8
RPI HAT SPDIF Output new PCB
2025.12.20
adapter/spdif/kicad/v1
Finalize v1 LVDS SPDIF XMIT
rpi-hat-spdif/kicad/v6
RPI HAT SPDIF Output
rpi-hat-spdif/kicad/v6-min
RPI HAT SPDIF Output minimized
2025.12.08
pre-amp-ECC88/kicad/v9
Finalize and ordered v9
2025.09.29
retro/c64-user-port-led
Finalize v1 of C64 user port LED
2025.09.28
dac-pcm1704/kicad/dac-df1706-pcm1704-v2
Finalize and ordered v2
2025.09.21
dac-pcm1704/kicad/dac-pcm1704-v5
Finalize and ordered v5
dac-pcm1702-v1/kicad-i2s-nos-v7
Finalize and ordered v7
dac-pcm1792a/kicad/v6/
Finalize and ordered v6
2025.09.13
input-sel-attenuator/software/ir-debug-v2
input-sel-attenuator/software/v8
V2.5 2025.09.12 Shiny new push button and saving handling Use volume when doing channel switch.
2025.09.07
lv-lownoise-psu/kicad/v5-dcdc
Finalize and ordered v5
lv-lownoise-psu/kicad/v5-dcdc-large-cap
Finalize and ordered v5 with large reservoir cap
2025.08.25
lt1115-phono-mm-mc/kicad/v6
Finalize and ordered v6
2025.08.23
dac-pcm1702-v1/kicad-psu-v7
Finalize and ordered v7
Parts
62| Qty | Value | Footprint | References |
|---|---|---|---|
| 18 | 110 | Custom:R_0402_1005Metric | R4, R5, R6, R7, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21 +2 |
| 12 | 100nF | Capacitor_SMD:C_0402_1005Metric | C3, C6, C7, C8, C9, C10, C11, C12, C13, C14, C19, C20 |
| 5 | 10uF | Capacitor_SMD:C_0603_1608Metric | C15, C16, C17, C18, C21 |
| 4 | 1uF | Capacitor_SMD:C_0402_1005Metric | C1, C2, C4, C5 |
| 3 | 74F06 | Custom KiCad Library:SOIC-14_3.9x8.7mm_P1.27mm | U2, U3, U4 |
| 2 | 1A | Fuse:Fuse_1206_3216Metric | F1, F2 |
| 2 | 22 | Resistor_SMD:R_0402_1005Metric | R2, R3 |
| 2 | 5.6k | Resistor_SMD:R_0402_1005Metric | R22, R23 |
| 2 | B5819W | Diode_SMD:D_SOD-123 | D2, D3 |
| 1 | 2.2k | Resistor_SMD:R_0402_1005Metric | R1 |
| 1 | AZ1117-2.85 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U6 |
| 1 | AZ1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U5 |
| 1 | Activity | LED_SMD:LED_0805_2012Metric | D1 |
| 1 | CY8C5267AXI-LP051 | Custom:LQFP-100_14x14mm_P0.5mm | U1 |
| 1 | Prog | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J1 |
| 1 | SCSI | Custom:DSUB-25_Male_EdgeMount_P2.77mm | J4 |
| 1 | TermPwr | Jumper:SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mm | JP1 |
| 1 | USB | Custom:USB_C_Receptacle_XunPu_TYPEC-304S | J3 |
| 1 | microSD | Custom:microSD_HC_XunPu_TF-115 | J2 |
The 60 most common of 62 parts.
Questions
How big is the FlashSCSI PCB?
It measures 52.5 × 27.3 mm and has 4 copper layers, 1.6 mm thick.
What parts does the FlashSCSI use?
62 parts, built around the CY8C5267AXI-LP051 and B5819W. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the FlashSCSI KiCad files?
From the schenkmi/electronic-projects repository on GitHub, at the commit this page was made from: the board is retro/FlashSCSI/FlashSCSI.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the FlashSCSI design in my own project?
Its repository publishes it under the CERN-OHL-W-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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