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1.Easy to use and quick to get started
2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
4.For students, teachers, creators
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1.Brand new interactions and interfaces
2.Smooth support for design sizes of over 5,000 devices or 10,000 pads
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Ongoing
STD 41x dram tester
Mode: Editors' pick
- 2
Update time：
2021-03-29 10:46:17
Creation time：
2020-09-15 16:21:55
Description
a simple & very compact,USB-powered DRAM tester for 4116, 4164 & 41256 DRAM chips. still work in progress.
Design Drawing
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| ID | Name | Designator | Footprint | Quantity | BOM_Supplier | BOM_Supplier Part | BOM_Manufacturer Part |
|---|---|---|---|---|---|---|---|
| 1 | 10uF | C3,C4 | C0603 | 2 | LCSC | C466781 | C0603X5R106M160NT |
| 2 | ICL7660M/TR | U4 | SOP-8_L4.9-W3.9-P1.27-LS6.0-BL | 1 | LCSC | C356724 | ICL7660M/TR |
| 3 | D-R060306L3-KS2 | LED1 | LED0603-RD | 1 | LCSC | C118330 | D-R060306L3-KS2 |
| 4 | K2-3.6×6.1_SMD | RST-SW1 | KEY-SMD_2P-L6.2-W3.6-LS8.0 | 1 | LCSC | C118141 | K2-1107ST-A4SW-06 |
| 5 | Header-Male-2.54_1x4_C124378 | H2 | HDR-TH_4P-P2.54-V | 1 | LCSC | C124378 | 210S-1*4P L=11.6MMGold-plated black |
| 6 | ORH-G36G | LED2 | LED0603-R-RD | 1 | LCSC | C205443 | ORH-G36G |
| 7 | MBR120VLSFT1G | D1 | SOD-123F_L2.8-W1.8-LS3.7-RD | 1 | LCSC | C223608 | MBR120VLSFT1G |
| 8 | 2K | R4 | R0603 | 1 | LCSC | C375507 | RT0603FRE072KL |
| 9 | micro USBFemale | USB1 | MICRO-USB-SMD_5P-P0.65-H-F_C10418 | 1 | LCSC | C10418 | micro USBFemale |
| 10 | 20MHz | X1 | OSC-SMD_4P-L3.2-W2.5-BL | 1 | LCSC | C479198 | S3220000181060 |
| 11 | Header-Male-2.54_2x3 | J1 | HDR-TH_6P-P2.54-V-R2-C3-S2.54 | 1 | LCSC | C65114 | Header-Male-2.54_2x3 |
| 12 | DS1009-16AT1NX-0A2 | U3 | DIP-16_L19.8-W6.5-P2.54-LS7.6-BL | 1 | LCSC | C72115 | DS1009-16AT1NX-0A2 |
| 13 | ST662ABD-TR | U2 | SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL | 1 | LCSC | C97784 | ST662ABD-TR |
| 14 | PMBT3904,215 | Q1 | SOT-23_L2.9-W1.3-P0.95-LS2.4-BR | 1 | LCSC | C8667 | PMBT3904,215 |
| 15 | 270 | R1,R2,R3 | R0603 | 3 | LCSC | C217921 | ARG03FTC2700 |
| 16 | 4.7uF | C5 | C0603 | 1 | LCSC | C377756 | CL10A475KO8NQNC |
| 17 | 100nF | C6 | C0603 | 1 | LCSC | C42998 | 0603F104M500NT |
| 18 | 220nF | C1,C2 | C0603 | 2 | LCSC | C123508 | 0603B224K250 |
| 19 | ATMEGA328P-AU | U1 | TQFP-32_L7.0-W7.0-P0.80-LS9.0-BL | 1 | LCSC | C14877 | ATMEGA328P-AU |
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