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recommended
Pro Edition
Brand new interactions and interfaces
Smooth support for design sizes of over 3W
devices or 10W pads
More rigorous design constraints, more
standardized processes
For enterprises, more professional users
Std Edition
Easy to use and quick to get started
The process supports design scales of 300
devices or 1000 pads
Supports simple circuit simulation
For students, teachers, creators
Ongoing
STD 8 bit computer memory and ROM card
8 bit computer memory and ROM card
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Update time：
2021-04-06 07:45:27
Creation time：
2017-01-19 22:28:28
Description
Description
memory and
ROM
Design Drawing
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | RAM | U2 | DIP28-2.54-35.6X13.5MM | 1 |
| 2 | ROM | U1 | DIP28-2.54-35.6X13.5MM | 1 |
| 3 | DM74LS155N | U3,U4 | DIP16 | 2 |
| 4 | HD74LS08P | U4,U3 | DIP14 | 2 |
| 5 | RAM | U1 | DIP28-2.54-35.6X13.5MM | 1 |
| 6 | ROM | U2 | DIP28-2.54-35.6X13.5MM | 1 |
| 7 | Header-Male-2.54_1x1 | DO7,D06,DO5,DO4,DO3,DO2,DO1,DO0,A15,A14,A13,A12,A11,A10,A9,A8,A7,A6,A5,A4,A3,A2,A1,A0,RD,D6,D7,D5,D4,D3,D2,D1,D0,VF,SERIAL,I/O,MEMACT,D0I,D1I,D2I,D3I,D4I,D5I,D6I,D7I,A12I,A11I,A10I,A9I,A8I,A7I,A6I,A5I,A4I,A3I,A2I,A1I,A0I | HDR-1X1/2.54 | 58 |
| 8 | NO | VCC,GND,MEMENABLE | HDR-1X1/2.54 | 3 |
| 9 | 74LS245N | U5 | DIP20 | 1 |
| 10 | ader-Male-2.54_1x1 | WR | HDR-1X1/2.54 | 1 |
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