Name Intels 1702 2704 2708 Eprom Product Line

# Name Intel's 1702, 2704, and 2708 EPROM Product Line

## 7. The Actual Parts, Not Just the Concept

Frohman's discovery became a shipped product quickly: Intel introduced the 1702, widely credited as the first commercially available EPROM, in 1971, storing 2,048 bits (256 bytes) using PMOS floating-gate cells in a 24-pin ceramic package with the quartz erase window. Intel followed with larger-capacity parts as the decade progressed: the 2704, holding 4,096 bits, and the 2708, holding 8,192 bits, both arriving in the mid-1970s as NMOS process improvements allowed denser arrays on a comparable die size. These part numbers mattered commercially in a very specific way — system designers specified an exact EPROM part number in a bill of materials the same way they specified a particular logic family, and the 1702/2704/2708 lineage became the de facto reference points against which competing EPROM vendors' own parts were measured for capacity, pinout compatibility, and programming-voltage requirements.

Intel's Named EPROM Product Line 7. The Actual Parts, Not Just the Concept 19711702: 2,048 bits, PMOS~19742704: 4,096 bits, NMOS~1975-762708: 8,192 bits, NMOSLaterHigher-density follow-ons three named, shipped part numbers anchor this product line's commercial history
Capacity and Process Across the Line 7. The Actual Parts, Not Just the Concept CAPACITY GROWTH 1702: 2,048 bits2704: 4,096 bits2708: 8,192 bitsEach generation roughlydoubled prior density PROCESS SHIFT 1702 used PMOS2704 / 2708 movedto NMOS processDenser cells on acomparable die footprint named part numbers, not an abstract 'EPROM' label, are what appeared on a 1970s bill of materials

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