P2000t ram expansion board
About the P2000t ram expansion board
P2000t ram expansion board is an open source PCB design by ifilot, published on GitHub. It is a 2-layer board measuring 110 × 68.1 mm, with 23 components from 14 distinct parts.
Other key parts include the 74HC04, CY62256-70PC, 74HC00, 74HC688 and 74HC32. By type, the board carries 10 capacitors, 9 ICs, 3 connectors and 1 diode.
From the project
RAM expansion board for the P2000T
Purpose Memory lay-out Installation Testing the expansion board Schematic Bill of materials Testing bank switching in BASIC Files Alternative RAM expansions SMD-128KiB version SMD-CPLD-128KiB version SMD-CPLD-512KiB version THT-1056 KiB expansion THT-2080 KiB expansion * License
This repository provides several RAM expansion boards for the Philips P2000T, ranging from 64 KiB to over 2 MiB. Options vary in complexity (THT, SMD, CPLD), so choose a board that fits your soldering skills and tools. A RAM tester utility is included to verify proper installation and functionality after assembly.
Main components on the P2000t ram expansion board
P2000t ram expansion board bill of materials (BOM)
23 components, 14 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74HC04 | DIP-14_W7.62mm_Socket | U1 |
| 2 | CY62256-70PC | DIP-28_W15.24mm_Socket | U2, U4 |
| 1 | 74HC00 | DIP-14_W7.62mm_Socket | U3 |
| 1 | 74HC688 | DIP-20_W7.62mm_Socket | U5 |
| 1 | 74HC32 | DIP-14_W7.62mm_Socket | U6 |
| 1 | 74HC173 | DIP-16_W7.62mm_Socket | U7 |
| 1 | 74HC245 | DIP-20_W7.62mm_Socket | U8 |
| 1 | 74HC157 | DIP-16_W7.62mm_Socket | U9 |
| 1 | EXPANSION BOARD | PinHeader_2x20_P2.54mm_Vertical | J1 |
| 1 | POWER | PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | TERMINAL | TerminalBlock_bornier-2_P5.08mm | J3 |
| 1 | DIODE | D_DO-35_SOD27_P7.62mm_Horizontal | D1 |
| 9 | 0.1uF | C_Disc_D5.0mm_W2.5mm_P5.00mm | C1, C2, C4, C5, C6, C7, C8, C9 +1 |
| 1 | 220uF | CP_Radial_D6.3mm_P2.50mm | C3 |
P2000t ram expansion board design files
The KiCad project lives in the ifilot/p2000t-ram-expansion-board repository on GitHub; these links point at the commit this page was built from.
P2000t ram expansion board: common questions
How big is the P2000t ram expansion board?
The P2000t ram expansion board measures 110 × 68.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the P2000t ram expansion board?
23 components, from 14 distinct parts. The full bill of materials is listed on this page.
Where can I download the P2000t ram expansion board design files?
From the ifilot/p2000t-ram-expansion-board repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the P2000t ram expansion board design in my own project?
The repository has no license, so all rights stay with ifilot. Use it as a reference, and ask the author before reusing the design.
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