AMD XC17S40SO20C

Mfr. Part

XC17S40SO20C

Manufacturer

AMD Xilinx

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Detailed Description

Single-use OTP serial configuration PROM for AMD Xilinx FPGAs. 5 V supply 4.75–5.25 V. Commercial temperature 0°C to 70°C. Memory size 400 kb. 20-lead SOIC surface-mount package, shipped in tube. Designed to store and stream FPGA bitstreams at power-up. RoHS non-compliant legacy device. Category Integrated Circuits ICs. Classification Memory – Configuration PROMs for FPGAs. Base product number XC17S40. In stock quantity 2660 units

Key Features

One-time programmable OTP for secure, permanent configuration storage

400 kb memory optimized for FPGA bitstreams

5 V operation with standard logic-level I/O

Commercial temperature range 0°C to 70°C

Surface-mount 20-SOIC package 0.295 inch 7.50 mm width

Supplier device package 20-SOIC

Simple serial interface for power-up configuration

Well-suited to legacy Spartan and Virtex family workflows

Key Advantages

Reliable FPGA boot behavior with minimal external components

Permanent, tamper-resistant storage once programmed

Mature solution with proven field performance

Low power serial PROM simplifies PCB routing versus parallel ROMs

Straightforward programming and production flow

Packaging

Type 20-lead SOIC surface-mount JEDEC standard

Material Epoxy-molded plastic body, copper leadframe, tin-lead plated gull-wing leads RoHS non-compliant

Size Body width 0.295 inch 7.50 mm, typical body length about 12.6–13.0 mm, height about 2.0–2.5 mm, lead pitch 1.27 mm

Pin configuration 20 pins, typical signals include VCC, GND, CCLK, DOUT DO, DIN, CS CE, OE RESET. Refer to datasheet for exact pin assignments and signal roles

Thermal characteristics SOIC-20 provides adequate dissipation on standard FR-4. Operates across commercial ambient without special heat sinking. Follow standard thermal layout practices for best results

Electrical properties Supply 4.75–5.25 V, CMOS TTL-compatible I O, low operating current typical of serial PROMs, OTP programming flow, memory size 400 kb

Mounting type Surface Mount

Package Tube for safe handling during assembly

Lifecycle

Status Legacy 5 V OTP serial PROM family. Availability can be limited in some regions. Many designs have transitioned to Platform Flash or SPI QSPI Flash

Nearing discontinuation Considered mature. Several related part numbers have reached end-of-life in the market. Confirm current stock and lead times

Equivalent or alternative models

- AMD Xilinx XC18V04 In-system programmable configuration PROM, 3.3 V, comparable capacity depending on FPGA support

- AMD Xilinx Platform Flash XCF04S, XCF08P, XCF16P Serial and parallel platform flash options for older FPGA families

- External SPI QSPI Flash commonly used with newer FPGAs when supported by the target device examples Winbond W25Q32 W25Q64, Micron N25Q032 N25Q064, Infineon Cypress S25FL032 S25FL064

- Selection depends on your FPGA family, required voltage, and configuration mode. Review your FPGA configuration guide before choosing a replacement

If you need a drop-in alternative or detailed migration help, contact our sales team via the Y-IC website for expert support

Key Application Areas

Boot and configuration memory for legacy AMD Xilinx Spartan and Virtex FPGA families using serial PROMs

Industrial control systems with long lifecycle requirements

Communications and networking equipment needing reliable power-up configuration

Test and measurement, medical, and embedded systems built around 5 V logic

Designs requiring simple, permanent configuration storage without field reprogramming

Datasheet

Y-IC provides the most authoritative datasheet and documentation for XC17S40SO20C on our product page. Download the datasheet now for pinout, timing, programming procedures, and design guidelines

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