NEC's 1983/1984 catalog lists consumer integrated circuits with specifications, application notes, and cross‑reference guides.
This catalog presents NEC's integrated circuits for consumer applications released in 1983‑1984. It includes an alpha‑numerical index of part numbers, quick reference tables, cross‑reference information, and notes on obsolete types.
The document is organized into sections covering audio, TV, digital tuning, clocks, voltage regulators, arrays, and other applications, along with detailed application notes and technical specifications for individual devices.
| Reference frequency (uPD1990AC) | 32.768 kHz |
|---|---|
| 3‑Terminal Positive Voltage Regulator (low‑current) | 0.1 A |
The uPD1990AC uses a 32.768 kHz reference crystal.
The catalog lists 3‑Terminal Positive Voltage Regulators of 0.1 A, 0.5 A, and 1 A ratings.