2 layers206 × 132.5 mm
2 layers160 × 100 mm
Exordisk v1
roberto314/kees1948_Boards1kees 1948 Uniflex Remake
- Size
- 160 × 100 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 119
- Nets
- 252
- Pads
- 775
- Tracks, vias
- 2,675, 375
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 15 May 2025
- Updated
- 25 Feb 2026
Overview
Exordisk v1 is an open-source printed circuit board by roberto314, from the roberto314/kees1948_Boards repository on GitHub. It is a 2-layer board of 160 × 100 mm with 119 parts on 252 nets, routed with 2,675 tracks and 375 vias.
It is built around the 74HC245D, 74HCT240D and 74HCT244D, with the 74HCT74D, 74F163APC and 74HCT00D among its other parts. Its parts include 42 connectors, 28 ICs, 16 resistors, 15 capacitors and 6 diodes. It belongs with the FPGA and CPLD boards of this library.
Main components
12
74HC245D
SO-20-300mil-40℃~+125℃ 1 160uA 2V~6V 7.8mA 7.8mA 74HC 8 9ns@4.5V,50pF Bidirectional Tri-State SOIC-20-300mil Buffers, Drivers, Receivers, Transceivers ROHSNexperiaBuffers, Drivers, Receivers, Transceivers74HCT240D
SO-20-300mil-40℃~+125℃ 1 160uA 4.5V~5.5V 6mA 6mA 74HCT 8 9ns@5V,15pF Output enable Tri-State SO-20-300mil Buffers, Drivers, Receivers, Transceivers ROHSNexperiaBuffer/Driver/Transceiver74HCT244D
SO-20-300mil-40℃~+125℃ 13ns@4.5V,50pF 160uA 2 4 4.5V~5.5V 6mA 6mA 74HCT Tri-State Unidirectional SOIC-20-300mil Buffers, Drivers, Receivers, Transceivers ROHSNexperiaBuffers, Drivers, Receivers, Transceivers
74HCT74D
SOIC-14-40℃~+125℃ 1 2 3.5pF 3ns 4.5V~5.5V 40uA 44ns@4.5V,50pF 4mA 4mA 59MHz 5ns 74HCT Series Asynchronous Complementary D-Type Rising Edge Set and Reset SO-14 Flip Flops ROHSNexperia74 Series
74F163APC
PDIP-160℃~+70℃ 1 120MHz 4 4.5V~5.5V 74F Divide-by-2 Reset function、Synchronous counting Rising Edge Synchronous Synchronous Up Counter PDIP-16 Counters, Dividers ROHSonsemiCounters, Dividers74HCT00D
SO-14-40℃~+125℃ 100mV、400mV 12ns@4.5V,50pF 2 2V 3.7V、4.4V 4 4.5V~5.5V 40uA 4mA 4mA 74HCT Series 800mV NAND Gate Overvoltage-tolerant input TTL Compatible CMOS SO-14 Logic Gates ROHSNexperiaLogic Gates74HCT04D
SO-14-40℃~+125℃ 1 19ns@4.5V,50pF 2V 2uA 3.7V 4.5V~5.5V 400mV 4mA 4mA 6 74HCT 800mV SO-14 Inverters ROHSNexperiaInverters74HCT164D
SO-14-40℃~+125℃ 1 14ns@5V,15pF 4.5V~5.5V 500mW 61MHz 74HCT 8 Serial-to-Parallel SO-14 Shift Registers ROHSNexperiaShift Registers
74LS04PC
PDIP-140℃~+70℃ 4.75V~5.25V 6 6.6mA 74LS PDIP-14 InvertersonsemiInverters74LS112P-E
--20℃~+75℃ 0ns 15ns@5V,15pF 2 20ns 30MHz 4.75V~5.25V 400uA 74LS Series 8mA 8mA Asynchronous Falling Edge JK-Type Set and Reset - Flip Flops ROHSRenesas ElectronicsFlip Flops74LS123FP-E
-Reset input、Adjustable pulse width、Retriggerable function - Monostable Multivibrators ROHSRenesas ElectronicsMonostable Multivibrators74LS139PC
PDIP-1622ns 74LS 8mA Decoder Single Supply PDIP-16 Signal Switches, Multiplexers, DecodersonsemiSignal Switches, Multiplexers, Decoders
README
README.mdkees1948_Boards
kees 1948 Uniflex Remake
This Repository is for my Remake of the PCBs from kees1948 FLEX and UniFLEX Project. I like SMD Components and started with a new Version of the CPU09RAM Board with Battery Backup.
I also started some modifications to the CPUXXCMI Board to run the Exorciser Firmware (Exbug) and in the near future i will make a Exordisk Hardware to read real floppies. See the Exorciser Subdirectory.
This is my Uniflex System:
Parts
119| Qty | Value | Footprint | References |
|---|---|---|---|
| 37 | Conn_01x01 | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | J10, J11, J12, J13, J14, J15, J16, J17, J18, J20, J21, J22, J23, J24, J25, J26 +21 |
| 8 | 1k | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1, R5, R6, R7, R8, R9, R10, R16 |
| 6 | 100n | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C2, C3, C4, C5, C6, C15 |
| 6 | 1N4148 | Diode_SMD:D_1206_3216Metric_Pad1.42x1.75mm_HandSolder | D1, D2, D3, D4, D5, D6 |
| 5 | 74HCT74 | Package_DIP:DIP-14_W7.62mm | U2, U11, U12, U16, U18 |
| 4 | Jumper_3_Open | Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels | JP2, JP3, JP6, JP7 |
| 3 | . | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP1, JP4, JP5 |
| 3 | 74F163 | Package_DIP:DIP-16_W7.62mm | U5, U28, U29 |
| 2 | 100u | Capacitor_Tantalum_SMD:CP_EIA-7343-31_Kemet-D_HandSolder | C7, C16 |
| 2 | 100u | Capacitor_THT:CP_Radial_D8.0mm_P5.00mm | C8, C9 |
| 2 | 2k2 | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R17, R18 |
| 1 | 100k | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R4 |
| 1 | 10k | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R2 |
| 1 | 10n | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C18 |
| 1 | 10p | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C38 |
| 1 | 10u | Capacitor_Tantalum_SMD:CP_EIA-7343-31_Kemet-D_HandSolder | C1 |
| 1 | 1M | Oscillator:Oscillator_DIP-8 | Y1 |
| 1 | 1k | Resistor_THT:R_Array_SIP9 | RN2 |
| 1 | 200E | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R13 |
| 1 | 27C64 | Package_DIP:DIP-28_W15.24mm | U14 |
| 1 | 47k | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R3 |
| 1 | 56p | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C39 |
| 1 | 6852_DIL24 | Package_DIP:DIP-24_W15.24mm | U34 |
| 1 | 68B21 | Package_DIP:DIP-40_W15.24mm | U20 |
| 1 | 720E | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R19 |
| 1 | 74HC245 | Package_DIP:DIP-20_W7.62mm | U3 |
| 1 | 74HCT00 | Package_DIP:DIP-14_W7.62mm | U17 |
| 1 | 74HCT04 | Package_DIP:DIP-14_W7.62mm | U15 |
| 1 | 74HCT164 | Package_DIP:DIP-14_W7.62mm | U24 |
| 1 | 74HCT240 | Package_DIP:DIP-20_W7.62mm | U7 |
| 1 | 74HCT244 | Package_DIP:DIP-20_W7.62mm | U8 |
| 1 | 74LS04 | Package_DIP:DIP-14_W7.62mm | U25 |
| 1 | 74LS112 | Package_DIP:DIP-16_W7.62mm | U19 |
| 1 | 74LS123 | Package_DIP:DIP-16_W7.62mm | U23 |
| 1 | 74LS139 | Package_DIP:DIP-16_W7.62mm | U6 |
| 1 | 74LS157 | Package_DIP:DIP-16_W7.62mm | U22 |
| 1 | 74LS32 | Package_DIP:DIP-14_W7.62mm | U9 |
| 1 | 8-25p | my_own:Capacitor_Trim | C19 |
| 1 | 820E | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R14 |
| 1 | BC337 | Package_TO_SOT_THT:TO-92L_Wide | Q1 |
| 1 | BUS | Connector_DIN:DIN41612_C_2x32_Male_Horizontal_THT | J1 |
| 1 | CLOCKSRC | Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm_NumberLabels | JP8 |
| 1 | Conn_01x17 | Connector_PinHeader_2.54mm:PinHeader_1x17_P2.54mm_Vertical | J7 |
| 1 | Conn_02x02_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x02_P2.54mm_Vertical | J19 |
| 1 | Floppy | Connector_PinHeader_2.54mm:PinHeader_2x17_P2.54mm_Horizontal | J2 |
| 1 | GAL16V8 | Package_DIP:DIP-20_W7.62mm | U10 |
| 1 | GAL22V10 | Package_DIP:DIP-24_W7.62mm | U1 |
| 1 | MC4024 | Package_DIP:DIP-14_W7.62mm | U21 |
| 1 | MC4044 | Package_DIP:DIP-14_W7.62mm | U27 |
| 1 | MC8506_new | Package_DIP:DIP-16_W7.62mm | U4 |
| 1 | SS/DS | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J42 |
| 1 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_Pad1.0x1.5mm | JP9 |
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Questions
How big is the Exordisk v1 PCB?
It measures 160 × 100 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Exordisk v1 use?
119 parts, built around the 74HC245D, 74HCT240D, 74HCT244D and 74HCT74D. 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 Exordisk v1 KiCad files?
From the roberto314/kees1948_Boards repository on GitHub, at the commit this page was made from: the board is ExorsetFloppy/Exordisk_v1/Exordisk_v1.kicad_pcb and its schematic 09FLP/09FLP/09FLP.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Exordisk v1 design in my own project?
Its repository states no licence, so its author keeps all rights: ask roberto314 before reusing the design.