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AM27C040 from AMD

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AM27C040

Manufacturer: AMD

4 Megabit (512 K x 8-Bit) CMOS EPROM

Partnumber Manufacturer Quantity Availability
AM27C040 AMD 1460 In Stock

Description and Introduction

4 Megabit (512 K x 8-Bit) CMOS EPROM The AM27C040 is a 4 Megabit (512K x 8) UV erasable and electrically programmable read-only memory (EPROM) manufactured by AMD. Key specifications include:

- **Organization**: 512K x 8 bits
- **Access Time**: 120 ns, 150 ns, and 200 ns variants
- **Operating Voltage**: 5V ± 10%
- **Programming Voltage**: 12.75V ± 0.25V
- **Power Consumption**:
  - Active current: 30 mA (typical)
  - Standby current: 100 µA (typical)
- **Package**: 32-pin DIP (Dual In-line Package) or PLCC (Plastic Leaded Chip Carrier)
- **Operating Temperature Range**: 0°C to 70°C (commercial) or -40°C to 85°C (industrial)
- **Data Retention**: 10 years minimum
- **UV Erasure**: Wavelength of 2537 Å, with an energy of 15 W-sec/cm² required for erasure
- **Programming Method**: Byte-by-byte programming with a maximum programming time of 100 µs per byte

This EPROM is designed for applications requiring non-volatile memory with high reliability and long-term data retention.

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