AT17N256-10NC

Configuration PROMs For FPGAs Overview

The AT17N256-10NC is a 256-Kbit serial EEPROM designed for FPGA configuration. It operates at a maximum clock frequency of 10 MHz and supports a supply voltage range of 3.0V to 3.6V. The device is housed in an 8-lead SOIC package and functions within a commercial temperature range of 0°C to +70°C.

Configuration PROMs For FPGAs Feature Summary

• Pin-compatible with Xilinx XC17SXXXA and XC17SXXXXL PROMs
• Compatible with Xilinx Spartan-II, Spartan-IIE, and Spartan XL FPGAs in Master Serial Mode
• Low-power standby mode operation

Configuration PROMs For FPGAs Applications

• Configuration memory for Field Programmable Gate Arrays (FPGAs)
• Master Serial Mode configuration for Xilinx Spartan-II devices
• Master Serial Mode configuration for Xilinx Spartan-IIE devices
• Master Serial Mode configuration for Xilinx Spartan XL devices

Configuration PROMs For FPGAs Procurement Notes

Verify the component manufacturer, as this part was originally produced by Atmel Corporation before its acquisition by Microchip Technology. Confirm that the specific ordering code matches the required package type and temperature rating. Ensure compatibility with existing FPGA designs referencing the original Atmel datasheet specifications.

Configuration PROMs For FPGAs Selection Notes

Select this component when designing systems requiring pin-compatible replacement for legacy Xilinx OTP PROMs. It is suitable for applications utilizing Xilinx Spartan-II, Spartan-IIE, or Spartan XL families in Master Serial configuration mode. Verify that the system power supply remains within the specified 3.0V to 3.6V range for reliable operation.

Configuration PROMs For FPGAs Part Context

This device belongs to the AT17N series of FPGA Configuration EEPROMs, also known as Configurators. These devices provide cost-effective storage for FPGA configuration programs using a simple serial-access procedure. The series includes various densities ranging from 256-Kbit to 4-Mbit across multiple package options.

Configuration PROMs For FPGAs Replacement Considerations

The AT17N256 is replaced by the AT17LV256. When migrating designs, verify that the LV variant meets all voltage and performance requirements of the original application.