Six Bit 16K RAM extension board

[David G]

£25.99 seems reasonable for this low-power RAM board


6-bit ZX81 16KB RAM extension board

* Low profile, very small uncased board
* Reset button to reduce wear of DC connector
* no pass-through

This design might be immune from wobble


by ZP-SixBits eBay Store

Pirohová Zuzana
Hradište pod Vrátnom 71
906 12 Hradište pod Vrátnom
Slovakia


chips:

• UM61256FK-15 9619T MBN05

static RAM (32K x 8)

• Texas Instruments SN74H000N