PAL20R8xx-P
Logic_Programmable
Programmable Array Logic (PAL), 20 array inputs (12 dedicated inputs), 8 registered outputs (active-low), DIP-24
Symbol
24 pins
- Units
- 1
- Kind
- part
- Grid
- on 1.27 mm
Footprint
24 pads
- Library
- Package_DIP
- Mount
- through_hole
- Courtyard
- 9.73 × 30.98 mm
- Link
- exact
- Footprint page
- Open →
3D model
STEPPackage_DIP_DIP-24_W7.62mm
7.87 × 31.75 × 6.98 mm
740 KB STEP
- Library
- Package_DIP_DIP-24
- Link
- exact
- Model page
- Open →
Pins and pads
Every pin on the symbol has a pad on the footprint.
| Pin | Name | Type | Pad |
|---|---|---|---|
| 1 | CLK | input | 1 |
| 2 | I_{1} | input | 2 |
| 3 | I_{2} | input | 3 |
| 4 | I_{3} | input | 4 |
| 5 | I_{4} | input | 5 |
| 6 | I_{5} | input | 6 |
| 7 | I_{6} | input | 7 |
| 8 | I_{7} | input | 8 |
| 9 | I_{8} | input | 9 |
| 10 | I_{9} | input | 10 |
| 11 | I_{10} | input | 11 |
| 12 | GND | power_in | 12 |
| 13 | ~{OE} | input | 13 |
| 14 | I_{11} | input | 14 |
| 15 | ~{O_{1}} | tri_state | 15 |
| 16 | ~{O_{2}} | tri_state | 16 |
| 17 | ~{O_{3}} | tri_state | 17 |
| 18 | ~{O_{4}} | tri_state | 18 |
| 19 | ~{O_{5}} | tri_state | 19 |
| 20 | ~{O_{6}} | tri_state | 20 |
| 21 | ~{O_{7}} | tri_state | 21 |
| 22 | ~{O_{8}} | tri_state | 22 |
| 23 | I_{12} | input | 23 |
| 24 | V_{CC} | power_in | 24 |
On real boards
20+ designs use this part
20 carry its footprint on a board, and no other part in the catalog uses that footprint. Largest first.
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- Duodyne BOARD20by footprint
- Amiga CenMiniCom BOARD8by footprint
- Amiga 1000 Rejuvenatorby footprint
- KEES1948 Boards BOARD14by footprint
- ACE2NOKBV2by footprint
- Unicomp3 BOARD4by footprint
- Unicomp3 BOARD3by footprint
- EMULE8BITby footprint
- KEES1948 Boards BOARD15by footprint
- Unicomp3 BOARD13by footprint
- Unicomp3 BOARD2by footprint
- Mackerel-08 SBC v1by footprint
- OpenTendo TopLoaderby footprint
- TTL TicTacToeby footprint
Provenance
- Source
- kicad-symbols
- Credit
- KiCad Libraries Contributors
- Licence
- CC-BY-SA-4.0-with-KiCad-exception
- Link method
- exact
- Cross-check
- passed