The AS58C1001 is a 1 Megabit CMOS Electrically Erasable Programmable Read Only Memory (EEPROM) from Austin Semiconductor, Inc. It features high speed access, low power consumption, high reliability and long life.
The AS58C1001 is a 1‑Megabit CMOS EEPROM organized as 128 K × 8 bits. It offers high‑speed access (150 ns, 200 ns, 250 ns), low power consumption, and robust data protection features including hardware RES pin protection and software data‑protection algorithms.
The device is available in several package types (ceramic flat pack, radiation‑shielded ceramic, and SOJ) and operates over military (‑55 °C to +125 °C) and industrial (‑40 °C to +85 °C) temperature ranges. Detailed electrical characteristics, timing diagrams, and ordering information are provided.
| Memory size | 128 K × 8 bits |
|---|---|
| Access speed | 150 ns, 200 ns, 250 ns |
| Data retention | 10 years |
| Erase/Write endurance | 10,000 cycles (page mode) |
| Supply voltage | +5 V (±10%) |
| Active current consumption | 20 mW/MHz (typ) |
| Operating temperature (military) | -55 °C to +125 °C |
| Operating temperature (industrial) | -40 °C to +85 °C |
The EEPROM retains data for up to 10 years.
It is guaranteed for at least 10 000 cycles in page mode.
It supports a military range of –55 °C to +125 °C and an industrial range of –40 °C to +85 °C.
The device operates from a single +5 V supply with a ±10 % tolerance.