Pdsp1881 4x4
74hc595·kicad-intelligent-displays
About the Pdsp1881 4x4 PCB
Pdsp1881 4x4 is an open source PCB design by 74hc595, published on GitHub. It is a 2-layer board measuring 172.7 × 63.5 mm, with 23 components from 5 distinct parts.
It belongs with the displays & leds designs in this gallery.
From the project
KiCad symbols and footprints for HP/Litronix/Siemens/Osram/Avago/Broadcom intelligent alphanumeric LED displays
KiCad symbols and footprints for 4- and 8-character intelligent segmented/dot-matrix alphanumeric displays like the DL1414, DL2416, HDSP-2112, PDSP1881, etc.
At this time, the library does not include symbols/footprints for the exotic/mil-spec parts.
Some parts, like the PDSP188x and HDSP-2xxx, do not have pins in all positions. To facilitate the use of regular DIP sockets and single inline pin sockets, alternative footprints have been provided for these parts that have holes in all positions. (they end with a DIPxx suffix)

Pdsp1881 4x4 bill of materials (BOM)
23 components, 5 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | 0.1uF | C_0603_1608Metric | DC1, DC2, DC3 |
| 1 | Conn_01x26 | PinHeader_1x26_P2.54mm_Vertical | DJ1 |
| 1 | 10k | R_0603_1608Metric | DR1 |
| 2 | 74AHC138 | TSSOP-16_4.4x5mm_P0.65mm | DU1, DU2 |
| 16 | PDSP1881 | PDSP188x | D1, D2, D3, D4, D5, D6, D7, D8 +8 |
Pdsp1881 4x4 design files
The KiCad project lives in the 74hc595/kicad-intelligent-displays repository on GitHub; these links point at the commit this page was built from.
- Layoutpdsp1881_4x4.kicad_pcb
Pdsp1881 4x4: common questions
How big is the Pdsp1881 4x4 PCB?
The Pdsp1881 4x4 measures 172.7 × 63.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Pdsp1881 4x4?
23 components, from 5 distinct parts. The full bill of materials is listed on this page.
Where can I download the Pdsp1881 4x4 design files?
From the 74hc595/kicad-intelligent-displays repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Pdsp1881 4x4 design in my own project?
The repository has no license, so all rights stay with 74hc595. Use it as a reference, and ask the author before reusing the design.
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