Condition
Vintage lab stock from the mid-1980s. Windowed ceramic EPROM; clean, straight pins with light storage marks on the top. Top markings: “8539YP AM27256-3DC ©1983 AMD” (manufactured week 39 of 1985).Backside marks: MALAYSIA. UV-erasable through quartz window. Stored dry.

Item specifics
Brand: AMD (Advanced Micro Devices)
Core part no.: AM27256-3DC
Type / Function: Ultraviolet erasable programmable read-only memory (EPROM)
Speed grade: 300 ns access time (-3)
Package / Case: Hermetic ceramic DIP-28 with quartz window (-DC package)
Supply voltage (read): +5 V
Programming voltage (VPP): 12.75 V
I/O: TTL compatible input and output levels
Erase method: Ultraviolet light through quartz window (2537 Å)
Date/lot: 8539 (1985, week 39)
Country/Region of Manufacture: Malaysia

What you get
1 x AMD AM27256-3DCEPROM (the exact unit shown in the pictures).

Shipping
Worldwide shipping.
Ships within1 business dayfrom Spain.
Local pickup:Estepona (29680), Spain.

AMD, AM27256, EPROM, UV-erasable, 300 ns, 32Kx8, DIP-28, CERDIP, windowed, vintage IC, NOS, retrocomputing, arcade, synthesizer ROM, firmware.