2 layers43.2 × 35.6 mm
2 layers12.6 × 12.5 mm
Clocky
bnahill/clock1A clock that ticks randomly but generally keeps good time
- Size
- 12.6 × 12.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 17
- Nets
- 18
- Pads
- 66
- Tracks, vias
- 162, 21
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 3
- Created
- 12 Mar 2012
- Updated
- 12 Feb 2015
Overview
Clocky is an open-source printed circuit board by bnahill, from the bnahill/clock repository on GitHub. It is a 2-layer board of 12.6 × 12.5 mm with 17 parts on 18 nets, routed with 162 tracks and 21 vias.
It is built around the NC7WV16L6X, TLV61220DBV and MLZ2012N4R7LT000, with the SC20S-12.5PF20PPM among its other parts. Its parts include 5 capacitors, 4 connectors, 3 ICs, 2 resistors and 1 inductor. It belongs with the PIC boards of this library.
Main components
4
NC7WV16L6X
MicroPak-6-40℃~+85℃ 0.9V~3.6V 1 2 24mA 24mA 3.8ns@3.3V,30pF 7WV 900nA Power-off isolation Unidirectional MicroPak-6 Buffers, Drivers, Receivers, Transceivers ROHSonsemiBuffers, Drivers, Receivers, Transceivers
TLV61220DBV
SOT-23-6-40℃~+85℃@(TA) 1 1.8V~5.5V 220mA 700mV~5.5V 900nA Adjustable Boost Boost Built-in Yes SOT-23-6 DC-DC Converters ROHSTexas InstrumentsDC-DC Converters
MLZ2012N4R7LT000
0805130mA 180mΩ 4.7uH 600mA Multilayer inductor ±20% 0805 Inductors (SMD) ROHSTDKInductors (SMD)
SC20S-12.5PF20PPM
SMD2012-2PCrystalsSeiko
README
READMEThis is based on the MSP430 Launchpad and should support all 4 of the various devices that TI has provided with this in the past. Change the chip name in Makefile and adjust paths according to your MSPGCC configuration.
Parts
17| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | C | SM0402 | C1, C2 |
| 2 | CONN_2 | SIL-2 | J2, J3 |
| 2 | GRM188R60J106ME47D | SM0603 | C4, C5 |
| 2 | R | SM0402 | R1, R2 |
| 1 | 0.1u | SM0402 | C3 |
| 1 | CONN_3 | GS3 | J4 |
| 1 | CONN_5 | SIL-5 | J1 |
| 1 | GS3 | GS3 | SB1 |
| 1 | MLZ2012N4R7LT000 | SM0805 | L1 |
| 1 | NC7WV16L6X | NC7WV16_MICROPAK | U3 |
| 1 | PIC16LF1709_QFN20 | PIC_QFN20 | U1 |
| 1 | SC20S-12.5PF20PPM | SC-20S | X1 |
| 1 | TLV61220 | TLV61220_TSOT23 | U2 |
Questions
How big is the Clocky PCB?
It measures 12.6 × 12.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Clocky use?
17 parts, built around the NC7WV16L6X, TLV61220DBV, MLZ2012N4R7LT000 and SC20S-12.5PF20PPM. 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 Clocky KiCad files?
From the bnahill/clock repository on GitHub, at the commit this page was made from: the board is pcb/clocky.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Clocky design in my own project?
Its repository states no licence, so its author keeps all rights: ask bnahill before reusing the design.
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