64k-DRAM-1979 Step 7 Name the Manufacturers Racing the 64k Generation

# Name the Manufacturers Actually Racing This Generation

Steps 1 through 6 built the 64K generation's addressing-and-refresh architecture from first principles without naming a single manufacturer; that architecture was a real, contested race between specific companies, worth naming directly.

## 1. State Who Actually Shipped 64K DRAM First

Mostek, Texas Instruments, and Japanese manufacturers including Fujitsu, Hitachi, and NEC were the most consistently cited competitors in the 64-kilobit DRAM generation this series' own architecture serves, through roughly 1979 to 1981. Mostek's MK4164 is among the most widely cited specific commercial parts from this generation, built on the multiplexed-addressing architecture this series' Steps 1 and 2 derived abstractly.

Name the Manufacturers Actually Racing This Generation Step 7 — 64k-dram-1979 State Who Actually Shipped 64K DRAM First see Section 1 State Why This Race Mattered Beyond Bragging Rig see Section 2 Place This Naming in the Series' Own Scope see Section 3 THREE-PART ARGUMENT, ONE STEP 64k-dram-1979 extension, step 7 of this project's DRAM lineage

## 2. State Why This Race Mattered Beyond Bragging Rights

Being first to ship a 64K part at acceptable yield mattered commercially in the same way this project's `dram_1968` series' own Step 15 cost-per-bit argument mattered for the 1103 — a manufacturer who shipped later, at the same specifications, competed on a cost curve already moving against them as earlier shippers' yields and volumes improved. This generation is also where Japanese manufacturers' growing competitiveness in memory production, a trend this project's own `microprocessor_1971` extension names in passing (its own Step 17, on second-sourcing economics) without developing fully, became visible at real commercial scale for the first time.

Step 7 in the 64K-Dram-1979 Lineage what this step inherits and what it hands forward, by name Step 7 this step Inherits prior steps Hands Off named thread NO CELL-PHYSICS OR ARCHITECTURE RE-ARGUED each step adds a distinct angle; none re-derive settled prior content

## 3. Place This Naming in the Series' Own Scope

Naming these manufacturers does not change anything Steps 1 through 6 derived about pin count, RAS/CAS timing, row activation, refresh counting, or on-chip automation — it confirms those derivations describe a real, contested commercial race rather than an abstract architecture exercise, exactly as this project's other extensions (Mesa Production's own Step 18, naming competing mesa-transistor manufacturers) have done for their own series.

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