-40%
(4 pcs) CY7C194-25PC 64K x 4 Static RAM SRAM (memory upgrade for HP 53310A etc.)
(4 pcs) CY7C194-25PC 64K x 4 Static RAM SRAM (memory upgrade for HP 53310A etc.)
(4 pcs) CY7C194-25PC 64K x 4 Static RAM SRAM (memory upgrade for HP 53310A etc.)

(4 pcs) CY7C194-25PC 64K x 4 Static RAM SRAM (memory upgrade for HP 53310A etc.)

$ 16.89

Availability: 52 in stock
  • Number of Pins: 24
  • Output Type: Digital
  • Brand: Cypress
  • Condition: New – Open box
  • Type: SRAM

    Description

    Set of 4 pcs.
    Cypress CY7C194-25PC
    64K x 4 Static RAM
    24 pin DIP package
    New, open box.
    This RAM is used in vintage computing and test equipment such as the HP 53310A MDA.
    The HP 53310A extended memory option can be enabled by installing four of these memory ICs in the sockets on the mainboard and changing the following jumpers:
    XW7 and XW2 - move existing jumpers from 16K to 64K positions.
    Add jumper from XW8 to SEL1 (not shown in photo).
    This auction is for FOUR (4) pieces CY7C194-25PC that are necessary to perform the HP 53310A memory upgrade.
    This RAM is also used in other vintage computers. Check compatibility before purchase.