MemBird - Woodcock
MemBird - Woodcock is an open source PCB design by transistorfet: a 4-layer, 100 × 100 mm board with 48 components (23 distinct parts). It is built around the AP7361EA-33E-13, VME64-P1-3R, 74HC14, 74HC86 and more. Filed under retro computing.
A collection of VME-based hardware and software for modular computers
A 16-bit VME memory card with 4MB of Static RAM at either 5V or 3.3V
It's named after the American Woodcock, a small bird that moves along with a slow rhythmic walk, since this card only has a small amount of memory, and will be slower to access, being only 16-bits.
They are very cute birds, with an adorable walk, and a funny call https://www.youtube.com/watch?v=fpCO6CUH8Zc https://www.youtube.com/watch?v=97nnyyvXzmA
Built around
Parts list
48 components, 23 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AP7361EA-33E-13 | SOT-223 | U1 |
| 1 | VME64-P1-3R | DIN41612_C_3x32_Male_Horizontal_THT | U2 |
| 1 | 74HC14 | TSSOP-14_4.4x5mm_P0.65mm | U3 |
| 1 | 74HC86 | TSSOP-14_4.4x5mm_P0.65mm | U4 |
| 1 | 74HC20 | TSSOP-14_4.4x5mm_P0.65mm | U5 |
| 1 | 74HC139 | TSSOP-16_4.4x5mm_P0.65mm | U6 |
| 2 | 74HC32 | TSSOP-14_4.4x5mm_P0.65mm | U7, U8 |
| 1 | 74LVC1G14 | SOT-353_SC-70-5_Handsoldering | U9 |
| 1 | 74HC393 | TSSOP-14_4.4x5mm_P0.65mm | U10 |
| 2 | 74LVC1G06 | SOT-353_SC-70-5_Handsoldering | U11, U12 |
| 2 | 74ALVC164245DG | TSSOP-48_6.1x12.5mm_P0.5mm | U13, U15 |
| 1 | 74LVC8T245APW | TSSOP-24_4.4x7.8mm_P0.65mm | U14 |
| 4 | AS6C8016 | TSOP-II-44_10.16x18.41mm_P0.8mm | U16, U17, U18, U19 |
| 1 | Crystal | Crystal_HC49-4H_Vertical | Y1 |
| 2 | 5V | PinHeader_1x02_P2.54mm_Vertical | J2, J3 |
| 1 | Ground Loop | TestPoint_Loop_D2.60mm_Drill1.6mm_Beaded | TP1 |
| 1 | 3.3V | TestPoint_THTPad_2.0x2.0mm_Drill1.0mm | TP2 |
| 1 | 3.3V POWER | LED_PLCC-2_3.4x3.0mm_KA | D1 |
| 2 | 4.7uF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C1, C2 |
| 17 | 0.1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C4, C5, C6, C7, C8, C11, C12 +9 |
Show 3 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 18pF | C_Disc_D3.0mm_W2.0mm_P2.50mm | C9, C10 |
| 1 | 220 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1 |
| 1 | 15k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2 |
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