NEC D27128D UV-erasable EPROM, 16Kx8 (128 Kbit) CERDIP-28 Vintage 1984

Condition
Vintage surplus lab stock. Clean ceramic windowed DIP-28 package; clear quartz window; straight clean leads; minor storage scuffs. Top marks: “NEC JAPAN D27128D”. Lower line: “8449EX095” (see date/lot). Stored dry; ESD-safe handling.

Item specifics

Brand: NEC (Nippon Electric Co.)
Core part no.: D27128D / µPD27128D
Type / Function: UV-erasable EPROM, 16K x 8 (128 Kbit)
Access time:Family options range from 200 ns to 450 ns max. (Device is unmarked; safest assumption is the worst-case 450 ns max.)
Package / Case: Windowed ceramic DIP-28 (CERDIP-28)
Supply (read): +5 V
Programming voltage (VPP): 21 V
I/O levels: TTL-compatible inputs; tri-state outputs
Erase method: UV (253.7 nm) through quartz window
Country/Region of Manufacture: Japan
Date / Lot code: 8449EX095 (week 49, 1984; code as marked)
Quantity in lot: 1

What you get
1 x NEC D27128D UV EPROM (the exact chip shown in the photos).Carefully packaged in an ESD-safe shielding bag and secured in anti-static foam to protect the pins and prevent static damage during transit

Notes
Classic 128-Kbit windowed EPROM used extensively across early/mid-’80s computers, arcade boards, instruments, and embedded gear for storing firmware and ROM data.

Shipping
FREE worldwide shipping.
Ships within 1 business day from Spain.
Local pickup: Estepona (29680), Spain.

NEC, D27128D, µPD27128, UV EPROM, CERDIP-28, windowed EPROM, 16Kx8, 128 Kbit, 200 ns, TTL, VPP 21 V, vintage IC, retrocomputing, firmware ROM, 8449EX095, 1984.