AT17C020A-10JI

Overview

The AT17C020A-10JI is a 2M-bit serial EEPROM configurator designed for Altera FLEX devices. It operates at 5V with an industrial temperature range of -40°C to +85°C. The device features a 20-lead PLCC package and supports in-system programming via a 2-wire bus. It includes a system-friendly READY pin and programmable reset polarity.

Feature Summary

• Stores configuration programs for Field Programmable Gate Arrays (FPGAs) using EE reprogrammable serial memory.
• Supports cascading read-back capabilities to enable additional configurations or higher-density arrays.
• Allows user-programmable reset polarity through internal EEPROM byte settings.
• Generates its own internal clock to function as a system master for loading FPGA devices.

Applications

• Configuration of Altera FLEX devices
• In-system programming via 2-wire bus interface
• Cascaded FPGA configuration chains

Procurement Notes

Verify the specific ordering suffix matches the required voltage and temperature grade. Confirm the package type corresponds to the design footprint. Ensure compatibility with the target FPGA protocol before procurement.

Selection Notes

Select this part for Altera FLEX FPGA configuration needs requiring 2M-bit capacity. Choose the 5V version for standard logic levels. Verify the industrial temperature rating meets environmental requirements.

Part Context

Part of the AT17A Series high-density FPGA Configuration EEPROMs. Designed to replace older serial configuration memories. Compatible with industry-standard programmers and Atmel's ATDH2200E Programming Kit.

Replacement Considerations

AT17C020A-10JC

FAQ

How does the device handle power-up reset?

The READY pin is driven Low during the power-on reset cycle and released when complete, indicating the device is ready for configuration.

Can multiple devices be used together?

Yes, multiple AT17A Series devices can be serially linked using the nCASC and nCS pins for handshaking in daisy-chain configurations.