ATMEL 2-megabit (256K x 8) OTP EPROM AT27C020 handbook

Update: 28 September, 2023

The AT27C020 is a low-power, high-performance, 2,097,152-bit, one-time programmable read-only memory (OTP EPROM) organized as 256K by 8 bits. It requires only one 5V power supply in normal read mode operation. Any byte can be accessed in less than 55 ns, eliminating the need for speed-reducing WAIT states on high-performance microprocessor systems. In read mode, the AT27C020 typically consumes 8 mA. Standby mode supply current is typically less than 10 µA. The AT27C020 is available in a choice of industry-standard JEDEC-approved one-time programmable (OTP) plastic PDIP, PLCC and TSOP packages. All devices feature two-line control (CE, OE) to give designers the flexibility to prevent bus contention. With 256K bytes storage capability, the AT27C020 allows firmware to be stored reliably and to be accessed by the system without the delays of mass storage media. Atmel’s AT27C020 has additional features to ensure high quality and efficient production.


Brand: ATMEL

File format: PDF

Size: 311 KB

MD5 Checksum: 2EB4CF5E7FDC0F5B411BE080DD924EF2

Publication date: 05 June, 2012

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PDF Link: ATMEL 2-megabit (256K x 8) OTP EPROM AT27C020 handbook PDF

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