Bus Tester

Ongoing

STD Bus Tester

Digital

Measuring

License: GPL 3.0

Mode:

Editors' pick

Update time： 2023-05-09 10:20:48

Creation time： 2022-01-12 21:01:01

Description

A simple circuit for generating and testing signals in digital circuits. This is derived from several temporary circuits I was often assembling on breadboard to test parts of my 8-bit cpu.

Design Drawing

schematic diagram

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Schematic
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PCB

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PCB_Bus Tester
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	Bus	BUS	HDR-8X1/2.54	1
2	Power	GND1,GND2,GND3	HDR-TH_2P-P2.54-V-M	3
3	Reset	LED1,LED2,LED3,LED4,LED5,LED6,LED7,LED8,LED9,LED10,LED11,LED12,LED13,LED14,LED15,LED16,LED17,LED18,LED19,LED20	LED1206-RD	20
4	CH1	OUT1	HDR-TH_2P-P2.54-V-M	1
5	CH2	OUT2	HDR-TH_2P-P2.54-V-M	1
6	CH3	OUT3	HDR-TH_2P-P2.54-V-M	1
7	CH4	OUT4	HDR-TH_2P-P2.54-V-M	1
8	Assert Switch	OUT5	HDR-TH_2P-P2.54-V-M	1
9	Assert Register	OUT6	HDR-TH_2P-P2.54-V-M	1
10	Load Register	OUT7	HDR-TH_2P-P2.54-V-M	1
11	Register	REG	HDR-8X1/2.54	1
12	4.6k	RN1,RN2,RN5,RN6,RN7,RN10	RES-ARRAY-SMD_0603-8P-L3.2-W1.6-BL	6
13	470R	RN3	RES-ARRAY-SMD_0603-8P-L3.2-W1.6-BL	1
14	2k	RN4	RES-ARRAY-SMD_0603-8P-L3.2-W1.6-BL	1
15	1k	RN8,RN9	RES-ARRAY-SMD_0603-8P-L3.2-W1.6-BL	2
16	Run	SW1,SW2,SW3,SW4	KEY-SMD_DTSMW-6X	4
17	NDI-08H-V	SW6	SW-TH_16P-L20.5-W6.0-P2.54	1
18	74HCT14	U1	SOIC-14_L8.7-W3.9-P1.27-LS6.0-BL	1
19	74HCT04	U2	SO-14_L8.7-W3.9-P1.27-LS6.0-BL	1
20	CAPACITOR0805	U3,U4,U5,U6,U7,U9,U10,U13,U18,U19	0805A	10
21	74HCT540	U8	SOIC-20_L12.8-W7.5-P1.27-LS10.3-BL	1
22	74HCT574	U11	SO-20	1
23	74HCT541D	U12	SOIC-20_L12.8-W7.5-P1.27-LS10.3-BL	1