Microchip Technology, Inc. Datasheets for EPROM

Erasable programmable read-only memory (EPROM) chips are programmable, reusable computer chips that can be erased using ultraviolet light and reprogrammed with a PROM programmer or PROM burner.
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Product Name Notes
Low-power, high-performance 1,048,576-bit OTP EPROM organized as 128K by 8 bits. It requires only one 5-V power supply in normal read mode operation. Any byte can be accessed in less...
The Microchip AT27BV010 is a high-performance, low-power, Battery-Voltage 1-megabit One Time Programmable EPROM organized as 128-Kbit x 8. Requiring a single power supply in the range of 2.7V to 3.6V;
The Microchip AT27BV1024 is a high-performance, low-power, Battery-Voltage 1-megabit One Time Programmable EPROM organized as 64-Kbit x 16. Requiring a single power supply in the range of 2.7V to 3.6V;
The Microchip AT27BV256 is a high-performance, low-power, Battery-Voltage 256-kbit One Time Programmable EPROM organized as 32-Kbit x 8. Requiring a single power supply in the range of 2.7V to 3.6V;
The Microchip AT27C020 is a low-power, high-performance, 2-megabit One Time Programmable EPROM organized as 256-Kbit x 8. Requiring a single 5V power supply, in normal read mode operation typical power...
The Microchip AT27C040 is a low-power, high-performance, 4-megabit One Time Programmable EPROM organized as 512-Kbit x 8. Requiring a single 5V power supply, in normal read mode operation typical power...
The Microchip AT27C080 is a low-power, high-performance 8-megabit One Time Programmable EPROM organized as 1-Mbit x 8. Requiring a single 5V power supply, in normal read mode operation typical power...
The Microchip AT27C1024 is a low-power, high-performance 1-megabit One Time Programmable EPROM organized as 64-Kbit x 16. Requiring a single 5V power supply, in normal read mode operation typical power...
The Microchip AT27C2048 is a low-power, high-performance 2-megabit One Time Programmable EPROM organized as 128-Kbit x 16. Requiring a single 5V power supply, in normal read mode operation typical power...
The Microchip AT27C256R is a low-power, high-performance 256-Kbit One Time Programmable EPROM organized as 32-Kbit x 8. Requiring a single 5V power supply, in normal read mode operation typical power...
The Microchip AT27C4096 is a low-power, high-performance 4-megabit One Time Programmable EPROM organized 256-Kbit x 16. Requiring a single 5V power supply, in normal read mode operation typical power consumption...
The Microchip AT27C512R is a low-power, high-performance 512-Kbit One Time Programmable EPROM organized as 64-Kbit x 8. Requiring a single 5V power supply, in normal read mode operation typical power...
The Microchip AT27LV010A is a high-performance, low-power, low-voltage 1-megabit One Time Programmable EPROM organized as 128-Kbit x 8. Requiring a single power supply in the range of 3.0V to 3.6V...
The Microchip AT27LV020A is a high-performance, low-power, low-voltage 2-megabit One Time Programmable EPROM organized as 256-Kbit x 8. Requiring a single power supply in the range of 3.0V to 3.6V...
The Microchip AT27LV040A is a high-performance, low-power, low-voltage, 4-megabit One Time Programmable EPROM organized as 512-Kbit x 8. Requiring a single power supply in the range of 3.0V to 3.6V...
The Microchip AT27LV256A is a high-performance, low-power, low-voltage 256-Kbit One Time Programmable EPROM organized as 32-Kbit x 8. Requiring a single power supply in the range of 3.0V to 3.6V...
The Microchip AT27LV512A is a high-performance, low-power, low-voltage 512-Kbit One Time Programmable EPROM organized as 64-Kbit x 8. Requiring a single power supply in the range of 3.0V to 3.6V...