2 layers85 × 85 mm
2 layers87.6 × 58.1 mm
Repo for 2026 circuit boards
- Size
- 87.6 × 58.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 59
- Nets
- 42
- Pads
- 221
- Tracks, vias
- 399, 108
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 25 Sep 2024
- Updated
- 19 Jun 2026
Overview
TSAL is an open-source printed circuit board by FormulaBartonRacing, from the FormulaBartonRacing/Electronics repository on GitHub. It is a 2-layer board of 87.6 × 58.1 mm with 59 parts on 42 nets, routed with 399 tracks and 108 vias.
It is built around the LM358, LM339 and 74HC08D, with the 74HC20D, 74HC27D and 74HC74D among its other parts. Its parts include 22 resistors, 11 capacitors, 10 ICs, 4 connectors and 3 transistors.
Main components
9
LM358
SOP-8-18V~18V 0℃~+70℃ 1.2MHz 10nA 2 24mA 3V~36V 500uA 50nA 5mV 80dB Built-in compensation SOP-8 Operational Amplifier ROHSMSKSEMIOperational Amplifier
LM339
SOP-140℃~+70℃ 1.1mA 1.5mV 150ns 2.3nA 2V~32V 32V 57nA DTL、TTL、CMOS Four channels Open Collector SOP-14 Comparators ROHSJSMSEMIComparators74HC08D
SOP-14-40℃~+125℃ 1.5V~4.2V 1.9V、3.7V、5.2V 100mV、400mV 2 27ns@4.5V,50pF 2V~6V 2uA 4 5.2mA 5.2mA 500mV~1.8V 74HC Series AND Gate SOIC-14 Logic Gates ROHSNexperiaLogic Gates74HC20D
SOP-14-40℃~+125℃ 1.5V~4.2V 100mV、400mV、400mV 15ns@6V,50pF 2 2V~6V 2uA 4 5.2mA 5.2mA 500mV~1.8V 74HC Series NAND Gate SOP-14 Logic Gates ROHSNexperiaGates74HC27D
SOP-14-40℃~+125℃ 1.5V~4.2V 1.9V~2V、3.98V~4.32V、4.4V~4.5V、5.48V~5.81V、5.9V~6V 100mV、100mV、100mV、260mV、260mV 18ns@4.5V,50pF 2V~6V 2uA 3 3 5.2mA 5.2mA 500mV~1.8V 74HC Series NOR Gate SOIC-14 Logic Gates ROHSNexperiaGates74HC74D
SOIC-14-40℃~+125℃ 1 15ns 2 2V~6V 3.5pF 37ns@6V,50pF 3ns、3ns、3ns 40uA 5.2mA 5.2mA 74HC Series 82MHz Asynchronous Complementary D-Type Rising Edge Set and Reset SOIC-14 Flip Flops ROHSNexperiaFlip Flops74HC86D
SO-14-40℃~+125℃ 1.5V~4.2V 20ns@6V,50pF 2V~6V 2uA 4 5.2mA 5.2mA 500mV~1.8V 74HC Series XOR Gate SOIC-14 Logic Gates ROHSNexperiaLogic Gates
BSS138
SOT-23-55℃~+150℃ 1 N-channel 1.1Ω@10V、1.2Ω@4.5V 1.2V 1.7nC@10V 17.5pF 340mA 350mW 50V 6.5pF N-Channel SOT-23 MOSFETs ROHShongjiachengMOSFETsAO3401A
SOT-231 P-Channel 14nC@10V 30V 47mΩ@10V、60mΩ@4.5V、85mΩ@2.5V 4A 55pF 645pF 80pF 900mV SOT-23 MOSFETs ROHSAlpha & Omega SemiconductorMOSFETs
Parts
59| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 0.1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C4, C6, C7, C8, C9, C10, C11, C12 |
| 7 | 500K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5, R6, R7, R8, R9, R10, R22 |
| 4 | 10K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R13, R19, R20, R35 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3_DIN965 | H1, H2, H3, H4 |
| 2 | BSS138 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2 |
| 2 | Conn_02x01 | Connector_Molex:Molex_Micro-Fit_3.0_43045-0212_2x01_P3.00mm_Vertical | J3, J4 |
| 2 | LM339 | Package_DIP:DIP-14_W7.62mm | U8, U9 |
| 1 | .33uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C5 |
| 1 | 100K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R11 |
| 1 | 100uF | Capacitor_SMD:C_Elec_6.3x7.7 | C3 |
| 1 | 12K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R14 |
| 1 | 13.7K | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R18 |
| 1 | 18K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R34 |
| 1 | 2k2 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R21 |
| 1 | 330K | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R17 |
| 1 | 390 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R16 |
| 1 | 49.9 | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R32 |
| 1 | 4N35 | Package_DIP:DIP-6_W7.62mm | U4 |
| 1 | 5.1K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R12 |
| 1 | 7.5K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R15 |
| 1 | 74HC08 | Package_DIP:DIP-14_W7.62mm | U5 |
| 1 | 74HC20 | Package_DIP:DIP-14_W7.62mm | U3 |
| 1 | 74HC27 | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U2 |
| 1 | 74HC74 | Package_DIP:DIP-14_W7.62mm | U10 |
| 1 | 74HC86 | Package_DIP:DIP-14_W7.62mm | U6 |
| 1 | 910 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R33 |
| 1 | AO3401A | Package_TO_SOT_SMD:SOT-23 | Q3 |
| 1 | Conn_01x02 | Connector_Molex:Molex_Mini-Fit_Jr_5566-02A_2x01_P4.20mm_Vertical | J2 |
| 1 | Conn_02x03_Counter_Clockwise | Connector_Molex:Molex_Micro-Fit_3.0_43045-0612_2x03_P3.00mm_Vertical | J1 |
| 1 | GRN | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D2 |
| 1 | LM358 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | LM7805_TO220 | Package_TO_SOT_THT:TO-220-3_Horizontal_TabDown | U7 |
| 1 | LOGO | LOGO | G*** |
| 1 | RKZE-1205S_HP | Recom 12V Isolated:CONV_RKZE-1205S_HP | PS1 |
| 1 | R_Potentiometer_Trim | Potentiometer_THT:Potentiometer_Bourns_3386F_Vertical | e1 |
The 58 most common of 59 parts.
Questions
How big is the TSAL PCB?
It measures 87.6 × 58.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the TSAL use?
59 parts, built around the LM358, LM339, 74HC08D and 74HC20D. 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 TSAL KiCad files?
From the FormulaBartonRacing/Electronics repository on GitHub, at the commit this page was made from: the board is TSAL/TSAL.kicad_pcb and its schematic BSPD/BSPD.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the TSAL design in my own project?
Its repository states no licence, so its author keeps all rights: ask FormulaBartonRacing before reusing the design.
More from FormulaBartonRacing/Electronics
4- 2 layers65.1 × 52.9 mm
- 2 layers83.5 × 64.7 mm
- 2 layers34.7 × 99.9 mm
Similar boards
- 2 layers
- 2 layers299.7 × 198.1 mm
Cisc-8
nailed-barnacle/Cisc-8-ttl-processor
A cut-down version of the 8080 processor using HCTTL and including a discrete ALU and instruction decoder
319 parts1MIT - 4 layers100 × 100 mm
- 2 layers177.8 × 130.8 mm
- 2 layers178 × 711 mm
- 2 layers17.8 × 91.4 mm
- 2 layers124.5 × 87.5 mm
S1VirtualFloppy
bml3mk5/L3S1VirtualFloppy
Virtual Floppy Card for HITACHI Basic Master Level3 / MB-S1
71 parts - 4 layers69 × 74 mm
