TICK
About the TICK PCB
TICK is an open source PCB design by jasonsbeer, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 37.3 × 27 mm, with 10 components from 8 distinct parts.
Other key parts include the 74HC4060 and 74HC73. By type, the board carries 4 capacitors, 2 ICs, 2 resistors, 1 crystal and 1 connector.
It belongs with the retro computing designs in this gallery.
From the project
An Amiga 2000 PCB in the EATX form factor.
Included here are two options (9VAC and Crystal Oscillator) for generating an independent TICK signal for the Amiga 2000 EATX. These could be used in other projects needing a replacement TICK generator, such as adding an ATX power supply to an original big box Amiga. Both options are very simple circuits, small in size, and designed to be placed directly on J300 of the Amiga 2000 EATX Rev 2.2 and greater.
Main components on the TICK
TICK bill of materials (BOM)
10 components, 8 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74HC4060 | SOIC-16_3.9x9.9mm_P1.27mm | U1 |
| 1 | 74HC73 | SOIC-14_3.9x8.7mm_P1.27mm | U2 |
| 1 | C2636250 3.93216MHz | Crystal_HC49-U_Vertical | Y1 |
| 1 | To_Amiga | PinSocket_1x06_P2.54mm_Vertical | CN1 |
| 2 | 6.8PF 6.8pF | C_1206_3216Metric | C1, C2 |
| 2 | 0.1UF 0.1uF | C_1206_3216Metric | C3, C4 |
| 1 | 10M | R_1206_3216Metric | R1 |
| 1 | 100K 100k | R_1206_3216Metric | R2 |
TICK design files
The KiCad project lives in the jasonsbeer/Amiga-2000-EATX repository on GitHub; these links point at the commit this page was built from.
TICK: common questions
How big is the TICK PCB?
The TICK measures 37.3 × 27 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the TICK?
10 components, from 8 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 TICK design files?
From the jasonsbeer/Amiga-2000-EATX repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the TICK design in my own project?
Yes, under the terms of its GPL-3.0 license, which jasonsbeer chose for the repository.
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