Microchip Technology AT17C010-10PI

Overview

AT17C010-10PI from Atmel is a 1-Mbit (1,048,576 × 1-bit) serial EEPROM FPGA configuration memory with 5V ±10% industrial supply range (–40°C to +85°C), pin-compatible 8-lead PDIP package, and in-system programmability via 2-wire bus for SRAM-based FPGAs including Xilinx XC4000™, Spartan®, Virtex™, and Altera FLEX® devices.

For engineers reviewing the AT17C010-10PI datasheet, AT17C010-10PI pinout, AT17C010-10PI application, or AT17C010-10PI equivalent, key selection criteria include reset polarity programmability, cascading CEO support, READY pin for power-up sequencing, low-power standby mode (<0.5 mA), and compatibility with industry-standard FPGA master serial configuration protocols.

Technical Context

The AT17C010-10PI implements a serial-access configuration memory architecture with an internal address counter, open-collector DATA output, and tri-state control via CE and RESET/OE. It supports FPGA-initiated configuration without external controllers by directly interfacing CCLK, DIN, and INIT/CON signals.

Its dual-mode operation includes standard FPGA loading (SER_EN = High) and in-system programming (SER_EN = Low), with programmable reset polarity stored in EEPROM bytes and write protection via WP1/WP2 inputs. The CEO output enables daisy-chain cascading for multi-FPGA or high-density configurations.

Key Specifications

Pinout & Package

AT17C010-10PI is supplied in an 8-lead plastic dual inline package (PDIP), 0.300" wide, with JEDEC MS-001 BA compliance and 2.54 mm lead pitch. Thermal resistance θJA = 107 °C/W (0 ft/min airflow).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar FPGA configuration memory applications.

Compared with AT17LV010-10PI, the AT17C010-10PI delivers higher noise immunity and timing margin in 5V industrial systems; versus XCF01SVOG20, it offers broader FPGA vendor support, programmable polarity, and true in-system reprogrammability without JTAG dependency.

Availability

AT17C010-10PI is available at Aetrix Electronics and suitable for industrial automation, edge AI accelerators, motor drive controllers, and legacy FPGA field upgrade programs requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for AT17C010-10PI includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Atmel Corporation (now part of Microchip Technology) is a semiconductor manufacturer specializing in microcontrollers, nonvolatile memory, and FPGA configuration solutions.

The AT17 Series was designed specifically for reliable, low-risk FPGA configuration in industrial, automotive, and telecom infrastructure-emphasizing ease of integration, in-system programmability, and long-term supply stability.

FAQ

What is the operating voltage range for AT17C010-10PI?

The AT17C010-10PI operates at 5V ±10%, supporting industrial temperature range (–40°C to +85°C). This specification ensures stable read/write functionality and timing compliance across line and load variations in harsh environments. The AT17C010-10PI does not support 3.3V operation; for that, the AT17LV010-10PI variant is required.

How does the AT17C010-10PI support daisy-chained FPGA configurations?

The AT17C010-10PI uses its CEO (Chip Enable Output) pin to signal end-of-data to the next device in a cascade chain. When the internal address counter reaches maximum, CEO goes Low, enabling the CE input of the subsequent AT17C010-10PI. This hardware handoff eliminates software coordination and ensures deterministic multi-device configuration. Each AT17C010-10PI in the chain retains independent reset control via its own RESET/OE pin.

Can the reset polarity of AT17C010-10PI be changed after soldering?

Yes-the reset polarity (RESET/OE vs. RESET/OE) of the AT17C010-10PI is stored in EEPROM and can be reprogrammed in-system using standard programmers or Atmel's ATDH2225 ISP Cable. This allows field adaptation to different FPGA reset architectures without hardware changes. The AT17C010-10PI retains the programmed polarity through power cycles and supports unlimited reprogramming cycles per datasheet specifications.

What is the purpose of the READY pin on AT17C010-10PI?

The READY pin on AT17C010-10PI is an open-collector output driven Low during power-on reset and released (tri-stated) upon completion of internal initialization. It provides a synchronous, glitch-free power-good signal to the FPGA, ensuring configuration begins only after stable VCC and internal logic readiness. A 4.7 kΩ pull-up resistor is recommended if the READY signal is used for FPGA reset coordination.

Is AT17C010-10PI pin-compatible with older Xilinx XC17 series PROMs?

Yes-AT17C010-10PI is explicitly designed as a drop-in replacement for Xilinx XC17 series PROMs in Xilinx/Lucent FPGA applications, matching pinout, timing (e.g., TOE = 30 ns, FMAX = 15 MHz), and master serial interface behavior. The AT17C010-10PI adds enhancements including in-system programming, programmable reset polarity, and cascading CEO, while maintaining backward compatibility in existing layouts.