Master-Timing-Reference

M0WUT·Master-Timing-Reference·Master Timing Card/Master Timing Card.kicad_pcb

About the Master-Timing-Reference PCB

Master-Timing-Reference is an open source Raspberry Pi PCB design by M0WUT, published on GitHub. It is a 4-layer board measuring 170 × 100 mm, with 402 components from 101 distinct parts.

Its main chip is the DF40C-100DS-0.4V(51), from the Raspberry Pi family. Other key parts include the MAX3483ESA+, DS2431P+, SN74LVC1G125DBV, TPS79301DBV and SY75576LKY. By type, the board carries 161 capacitors, 117 resistors, 37 inductors, 22 diodes, 18 ICs and 14 connectors.

From the project

Artefacts: https://m0wut.github.io/Master-Timing-Reference/

Main components on the Master-Timing-Reference

MAX3483ESA+DS2431P+SN74LVC1G125DBV TPS79301DBV SY75576LKY SN74LVC1G02DCK SN74LVC2G157DCU ZED-F9T-10B TLV7031DCK RC32504A000GNK#BB0 LT3045IDD#PBF INA3221AIRGV LT8650SEV#PBF

Master-Timing-Reference bill of materials (BOM)

402 components, 101 distinct parts.

Qty	Part	Footprint	Refs
1	MAX3483ESA+ Analog MAX3483ESA+ Analog Devices	SOIC-8_3.9x4.9mm_P1.27mm	U1
1	DS2431P+ Analog Devices	TSOC-6_3.76x3.94mm_P1.27mm	U2
2	SN74LVC1G125DBV Texas Instruments	SOT-23-5	U3, U9
3	TPS79301DBV TI TPS79301DBV TI	SOT-23-6	U4, U7, U8
1	SY75576LKY Microchip	TSSOP-20_4.4x6.5mm_P0.65mm	U5
1	SN74LVC1G02DCK Texas Instruments	SOT-353_SC-70-5	U6
1	SN74LVC2G157DCU Texas Instruments	VSSOP-8_2.3x2mm_P0.5mm	U10
1	ZED-F9T-10B uBlox	uBlox_ZED	U11
1	TLV7031DCK Texas Instruments	SOT-353_SC-70-5	U12
2	RC32504A000GNK#BB0 Renesas	Renesas_QFN-24-1EP_4x4mm_P0.5mm_EP2.5x2.5mm_ThermalVias	U13, U15
2	LT3045IDD#PBF Analog Devices	DFN-10-1EP_3x3mm_P0.5mm_EP1.65x2.38mm_ThermalVias	U14, U16
1	INA3221AIRGV Texas Instruments	Texas_VQFN-16-1EP_RGV0016A	U17
1	LT8650SEV#PBF Analog LT8650SEV#PBF Analog Devices	LQFN-32(28)-6EP_6x4mm_P0.5mm_EP1.1x1.33mm	U18
2	DMN62D0U-7 Diodes Inc.	SOT-23	Q1, Q2
2	MMBT2907A-7-F Diodes Inc.	SOT-23	Q3, Q4
1	TSM085P03CV RGG Taiwan Semiconductor	PDFN33-8	Q5
1	GRF1-J-P-08-E-RA-TH1 Samtec GRF1-J-P-08-E-RA-TH1 Samtec	Samtec_GRF1-J-P-08-E-RA-TH1	CN1
1	86093488613755E1LF Amphenol 86093488613755E1LF Amphenol	DIN41612_R_03x16_Receptacle_RA_Amphenol_86093488613755E1LF	CN2
1	M20-9990246 Harwin M20-9990246 Harwin	PinHeader_1x02_P2.54mm_Vertical	CN3
1	DF40C-100DS-0.4V(51) ~ Hirose	Hirose_DF40C-100DS-0.4V	CN4

Show 81 more

Qty	Part	Footprint	Refs
1	USB4110-GF-A GCT	USB-C_GCT_USB4110-GF-A	CN5
1	DF40C-100DS-0.4V(51) ~ Hirose	Hirose_DF40C-100DS-0.4V_pins-101-200	CN6
1	1-2199230-6 TE 1-2199230-6 TE Connectivity	TE_1-2199230-6	CN7
1	9774025243R M2 x 2.5mm Wurth Electronik	Standoff_Wurth_9774025243R	CN8
1	731385033 Molex	BNC_Molex_731385033	CN9
1	U77-A1114-30L1 Amphenol ICC	Amphenol_U77-A1114-30L1	CN10
1	UE75-A20-6000T Amphenol ICC	Amphenol_UE75-A20-6000T	CN11
1	CONSMA002-L-G TE Connectivity	SMA_Linx_CONSMA002-L-G_Horizontal	CN12
1	1-2301994-2 TE Connectivity	TE_1-2301994-2	CN13
1	M20-9990646 M20-9990446 Harwin	PinHeader_1x06_P2.54mm_Vertical	CN14
1	0467001.NR 1A Littelfuse	Fuse_0603_1608Metric_Pad1.05x0.95mm_HandSolder	F1
1	744231091 90R Wurth Elektronik	L_CommonMode_Wurth_WE-CNSW_0805	FL1
1	B39162B8389P810 Qualcomm	Qualcomm_B8389	FL2
1	NFM31HK153R1H3 Murata	Murata_NFM31HK	FL3
1	WP130WCP_2EGW Kingbright	Kingbright_WP130WCP_2EGW	LD1
1	I537-2O7-10.000_MHz 10MHz Abracon	Crystal_SMD_3225-4Pin_3.2x2.5mm	OSC1
1	MS585-10F Masach	Shield_Masach_MS585-10_58.2x49.4x4.7mm_SMD	SH1
9	TC2-72T+ Minicircuits	MiniCircuits_AT1521	T1, T2, T3, T4, T5, T6, T7, T8 +1
2	600-8-37B-CTN 60MHz ECS	Crystal_SMD_2016-4Pin_2.0x1.6mm	XT1, XT2
1	MM3Z15VST1G 15V onsemi	D_SOD-323	ZD1
1	Compute Module 4 CM4004016 Raspberry Pi	Raspberry-Pi-4-Compute-Module	ZF1
1	LTST-C193KRKT-5A Red Lite-On	LED_0603_1608Metric	LD2
7	E6C0603VGAC1UDA Green Ekinglux	LED_0603_1608Metric	LD3, LD4, LD5, LD6, LD7, LD8, LD9
10	AQ3522-01LTG 5V0 Littelfuse	D_SOD-523	D1, D2, D3, D4, D5, D7, D8, D11 +2
7	PESD3V3U1UB,115 3V3 nexperia	D_SOD-523	D6, D9, D10, D12, D15, D16, D22
1	USBULC6-2M6 ST Microelectronics	TVS_ST_USBLC6-2M6	D13
4	TPD4E05U06DQA Texas Instruments	TPD4E05U06DQA	D14, D17, D20, D21
23	BLM15BD182SN1D 1k8 Murata	L_0402_1005Metric	FB1, FB4, FB5, FB6, FB7, FB8, FB9, FB10 +15
6	BLM18AG601SN1D 600R Murata	L_0603_1608Metric	FB2, FB3, FB18, FB19, FB27, FB28
2	0603AF-102XJR 1u0 Coilcraft	L_0603_1608Metric	L1, L2
2	0402DC-5N1XJRW 5n1 Coilcraft	L_0402_1005Metric	L3, L4
1	0402DC-47NXJRW 47n Coilcraft	L_0402_1005Metric	L5
3	XEL4030-222MED 2u2 Coilcraft	Coilcraft_XEL4030	L6, L7, L8
17	CL10A106MO8NQNC 10u Samsung Electro-Mechanics	C_0603_1608Metric	C1, C11, C15, C23, C28, C32, C33, C41 +9
77	CC0402KRX7R8BB104 100n Yageo	C_0402_1005Metric	C2, C3, C6, C8, C12, C13, C16, C17 +69
4	12063D226KAT2A 22u Kyocera AVX	C_1206_3216Metric	C4, C5, C9, C10
6	C0402C105K4PACTU 1u Kemet	C_0402_1005Metric	C7, C90, C133, C149, C161, C162
2	C0402C150D5GACTU 15p Kemet	C_0402_1005Metric	C14, C40
3	C0402C101F1GACTU 100p Kemet	C_0402_1005Metric	C25, C26, C29
4	C0402C101G5GACTU 100p Kemet	C_0402_1005Metric	C31, C39, C46, C47
1	C0402C220C5GACTU 22p Kemet	C_0402_1005Metric	C44
9	C0402C472K5RACTU 4n7 Kemet	C_0402_1005Metric	C54, C79, C80, C81, C82, C122, C123, C124 +1
2	C0402C470F5GACTU 47p Kemet	C_0402_1005Metric	C55, C57
16	C0402C106M9PACTU 10u Kemet	C_0402_1005Metric	C65, C66, C67, C68, C69, C70, C71, C86 +8
6	C0402C101F5GACTU 100p Kemet	C_0402_1005Metric	C84, C87, C89, C127, C130, C132
2	875575553004 220u Wurth Elektronik	Wurth_WCAP-HSG5_8x10.5mm_SM	C144, C146
2	1206DD106MAT2A 10u Kyocera AVX	C_1206_3216Metric	C147, C148
2	C0402C103K4PACTU 10n Kemet	C_0402_1005Metric	C150, C151
2	C0402C221G5GACTU 220p Kemet	C_0402_1005Metric	C152, C153
4	C3216X5R1E476M160AC 47u TDK	C_1206_3216Metric	C155, C156, C157, C158
2	C0402C100D4GACTU 10p Kemet	C_0402_1005Metric	C159, C160
10	RK73H1ETTP1001F 1k0 KOA Speer	R_0402_1005Metric	R1, R2, R3, R4, R6, R27, R36, R80 +2
1	RK73H1JTTD1200F 120R KOA Speer	R_0603_1608Metric	R5
11	RK73H1ETTP4701F 4k7 KOA Speer	R_0402_1005Metric	R7, R8, R10, R11, R17, R25, R26, R76 +3
17	RK73H1ETTP33R0F 33R KOA Speer	R_0402_1005Metric	R9, R13, R49, R50, R54, R55, R56, R57 +9
14	RK73H1ETTP1000F 100R KOA Speer	R_0402_1005Metric	R12, R16, R18, R19, R20, R21, R22, R23 +6
6	RK73Z1ETTP 0R0 KOA Speer	R_0402_1005Metric	R14, R15, R24, R33, R99, R100
1	ERJ3RSFR15V 150m Panasonic	R_0603_1608Metric	R28
6	RK73H1ETTP6R80F 6R8 KOA Speer	R_0402_1005Metric	R29, R30, R114, R115, R116, R117
2	RK73H1ETTP5101F 5k1 KOA Speer	R_0402_1005Metric	R31, R32
2	RK73H1ETTP82R0F 82R KOA Speer	R_0402_1005Metric	R37, R39
2	RK73H1ETTP1300F 130R KOA Speer	R_0402_1005Metric	R38, R40
4	RK73H1ETTP2202F 22k KOA Speer	R_0402_1005Metric	R41, R70, R72, R83
2	RK73H1ETTP1302F 13k KOA Speer	R_0402_1005Metric	R42, R73
11	RK73H1ETTP1002F 10k KOA Speer	R_0402_1005Metric	R43, R45, R47, R48, R60, R74, R78, R82 +3
1	RK73H1ETTP4750F 475R KOA Speer	R_0402_1005Metric	R46
1	RK73H1ETTP1400F 140R KOA Speer	R_0402_1005Metric	R51
2	RK73H1ETTP1800F 180R KOA Speer	R_0402_1005Metric	R52, R53
2	RK73H1ETTP20R0F 20R KOA Speer	R_0402_1005Metric	R61, R63
1	RK73H1ETTP51R0F 51R KOA Speer	R_0402_1005Metric	R62
3	RK73H1ETTP10R0F 10R KOA Speer	R_0402_1005Metric	R64, R65, R81
1	RK73H1ETTP7501F 7k5 KOA Speer	R_0402_1005Metric	R71
2	RK73H1ETTP3300F 330R KOA Speer	R_0402_1005Metric	R86, R91
2	RK73H1ETTP1802F 18k KOA Speer	R_0402_1005Metric	R88, R93
2	RK73H1ETTP4702F 47k KOA Speer	R_0402_1005Metric	R95, R110
1	RK73H1ETTP1203F 120k KOA Speer	R_0402_1005Metric	R97
4	RK73H1ETTP1502F 15k KOA Speer	R_0402_1005Metric	R101, R102, R103, R111
2	RK73H1ETTP1003F 100k KOA Speer	R_0402_1005Metric	R104, R105
2	ERJB1CFR056U 56m Panasonic	R_1020_2550Metric	R106, R107
1	RK73H1ETTP1603F 160k KOA Speer	R_0402_1005Metric	R108
1	RK73H1ETTP3002F 30k KOA Speer	R_0402_1005Metric	R109

Master-Timing-Reference design files

The KiCad project lives in the M0WUT/Master-Timing-Reference repository on GitHub; these links point at the commit this page was built from.

Master-Timing-Reference: common questions

What microcontroller does the Master-Timing-Reference use?

The Master-Timing-Reference is built around the DF40C-100DS-0.4V(51), from the Raspberry Pi family.

How big is the Master-Timing-Reference PCB?

The Master-Timing-Reference measures 170 × 100 mm, has 4 copper layers and is 1.610646 mm thick.

How many components are on the Master-Timing-Reference?

402 components, from 101 distinct parts. The full bill of materials is listed on this page.

Where can I download the Master-Timing-Reference design files?

From the M0WUT/Master-Timing-Reference repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Master-Timing-Reference design in my own project?

The repository has no license, so all rights stay with M0WUT. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Master-Timing-Reference without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Raspberry Pi firmware against it before you order a PCB.

Master-Timing-Reference

About the Master-Timing-Reference PCB

Main components on the Master-Timing-Reference

Master-Timing-Reference bill of materials (BOM)

Master-Timing-Reference design files

Master-Timing-Reference: common questions

What microcontroller does the Master-Timing-Reference use?

How big is the Master-Timing-Reference PCB?

How many components are on the Master-Timing-Reference?

Where can I download the Master-Timing-Reference design files?

Can I use the Master-Timing-Reference design in my own project?

Can I test firmware for the Master-Timing-Reference without the hardware?

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