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AMD XC17256EVO8C
- Part No.:
- XC17256EVO8C
- Manufacturer:
- AMD
- Category:
- Configuration PROMs for FPGAs
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
XC17256EVO8C.pdf
- Description:
- IC SERIAL CFG PROM 256K 8-SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,912
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Product details
Overview
XC17256EVO8C from AMD is a 256-kbit serial configuration PROM designed for Xilinx FPGA configuration in master serial mode, featuring 5V operation, 10 MHz max clock frequency, and industrial temperature range (–40°C to +85°C). It supports standard SPI-compatible interface and is used in embedded reconfigurable systems requiring nonvolatile bitstream storage.
For engineers reviewing the XC17256EVO8C datasheet, pinout, applications, or equivalent options, key selection criteria include voltage compatibility with target FPGA configuration interface, timing compliance with Xilinx Spartan and Virtex families, and industrial-grade reliability for field-deployed programmable logic systems.
Technical Context
This PROM implements a synchronous serial interface aligned with Xilinx's 4-wire master serial configuration protocol, supporting CS#, CLK, DI, and DO signals. It uses NMOS technology with internal charge pump for 5V-only operation and includes built-in power-on reset circuitry to ensure deterministic initialization.
Configuration data is stored in EEPROM cells with 100-year data retention and 10,000 write/erase cycles. The device requires no external programming voltage and is programmed via standard ISP using compatible Xilinx hardware programmers such as Platform Cable USB II.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 256 kbit (32 k × 8) - stores full bitstream for mid-complexity Xilinx FPGAs like XC3S200 or XC2VP4. |
| Supply Voltage | 5.0 V ±10% - single-rail operation compatible with legacy 5V FPGA configuration interfaces. |
| Max Clock Frequency | 10 MHz - meets timing requirements for Xilinx Spartan-II and Virtex-E master serial configuration mode. |
| Operating Temp | –40°C to +85°C - qualified for industrial environments without derating. |
| Data Retention | 100 years - ensures long-term bitstream integrity in unpowered systems. |
| Endurance | 10,000 write/erase cycles - supports multiple FPGA reconfiguration iterations during development and field updates. |
Pinout & Package
XC17256EVO8C is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package with 150-mil body width and standard gull-wing lead form.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 / CS# | Chip Select Input | Active-low enable for serial read access; must be held low during configuration clocking. |
| 2 / DO | Data Output | Serial output of configuration data to FPGA DIN pin; tri-stated when CS# is high. |
| 3 / VCC | Power Supply | 5V supply input; requires local 0.1 µF bypass capacitor near pin. |
| 4 / GND | Ground | Reference ground for all I/O and internal circuitry. |
| 5 / DI | Data Input | Serial input for programming data; used during ISP programming via Xilinx JTAG chain. |
| 6 / CLK | Configuration Clock | Input clock synchronized to FPGA configuration clock; edge-triggered on rising edge. |
| 7 / VCCIO | I/O Power | Not applicable - internally tied to VCC; no separate I/O rail. |
| 8 / HOLD# | Hold Control | Active-low pause signal; suspends ongoing read transfer without resetting internal address counter. |
Key Features
| Feature | Design Value |
|---|---|
| Single 5V Supply Operation | Eliminates need for dual-voltage regulators or level shifters in legacy 5V FPGA designs. |
| SPI-Compatible Serial Interface | Enables reuse of existing SPI-based configuration infrastructure and firmware drivers. |
| Industrial Temperature Range | Supports deployment in factory automation, test equipment, and outdoor telecom enclosures. |
| Hardware-Enabled Write Protection | WP# pin (tied internally to VCC in this variant) prevents accidental reprogramming during system operation. |
| Standard SOIC-8 Footprint | Facilitates drop-in replacement of other Xilinx-compatible PROMs without PCB redesign. |
Applications
| Industrial PLC Configuration | Test Equipment Bitstream Storage |
|---|---|
Use Scenario: Reconfigurable logic in programmable logic controllers used for real-time motion control and I/O sequencing. IC Role / Device Role / Timing Role: Nonvolatile configuration memory providing FPGA bitstream at power-up in master serial mode. Use Value: Ensures deterministic startup behavior and eliminates dependency on external configuration controllers or host processors. | Use Scenario: Automated test systems requiring rapid FPGA reconfiguration between test vectors for mixed-signal IC validation. IC Role / Device Role / Timing Role: Serial PROM supplying bitstreams to Xilinx Spartan-3 FPGAs acting as pattern generators and response analyzers. Use Value: Enables field-upgradable test firmware without replacing hardware or modifying PCB layout. |
| Avionics Data Loader Interface | Legacy Communication Node FPGA Boot |
Use Scenario: Ground support equipment loading configuration images into airborne FPGA-based signal processors prior to flight. IC Role / Device Role / Timing Role: Field-programmable PROM serving as secure, tamper-resistant bitstream source for Xilinx Virtex-E devices. Use Value: Provides traceable, version-controlled configuration storage compliant with DO-254 design assurance requirements. | Use Scenario: Telecom base station remote radio units using Xilinx XC2V250 FPGAs for protocol translation and filtering. IC Role / Device Role / Timing Role: Primary configuration memory enabling cold-start FPGA initialization without boot ROM or microcontroller involvement. Use Value: Reduces BOM count and boot latency by eliminating secondary boot components in space-constrained modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar FPGA configuration PROM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XCF02SVO20C | 2-Mbit capacity, 3.3V operation, supports JTAG and master serial modes; no HOLD# pin. | Targets newer 3.3V Xilinx FPGAs (Spartan-3, Virtex-II); lacks industrial temp grade in standard version. | Select when migrating to 3.3V systems or requiring larger bitstream storage; verify voltage compatibility with FPGA CONFIG_VCCO. |
| AT17LV256-10JC | 256-kbit, 3.3V/2.5V dual-supply option; faster 10 ns access time; different pinout (20-pin PLCC). | Used in mixed-voltage systems where 3.3V logic levels are required; incompatible SOIC-8 footprint. | Choose for lower-voltage designs or when board-level space allows PLCC package; not a drop-in replacement. |
Compared with XC17256EVO8C, XCF02SVO20C offers higher density and modern voltage support but requires PCB and power delivery changes, while AT17LV256-10JC provides voltage flexibility at the cost of package incompatibility and revised layout.
Availability
XC17256EVO8C is available at Aetrix Electronics and suitable for industrial automation, test & measurement equipment, and avionics ground support systems requiring stable component supply and long-lifecycle availability.
Supply support for XC17256EVO8C 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
AMD acquired Xilinx in 2022 and now oversees legacy Xilinx configuration PROM product lines including the XC17 family.
The XC17 series was originally developed by Xilinx to provide standardized, reliable, and pin-compatible configuration memory for its FPGA families, targeting industrial and aerospace applications demanding long-term supply stability.
FAQ
Is XC17256EVO8C compatible with Xilinx Spartan-3 FPGAs?
No, XC17256EVO8C is not compatible with Spartan-3 FPGAs. It is specifically designed for Xilinx Spartan-II, Virtex-E, and earlier families that use 5V-tolerant master serial configuration. Spartan-3 requires 3.3V PROMs like XCFxx series and does not support the XC17 command set or voltage interface.
What programming tools support XC17256EVO8C?
XC17256EVO8C is programmed using Xilinx iMPACT software with Platform Cable USB II or Parallel Cable IV. It supports in-system programming (ISP) via the JTAG port and requires no external VPP voltage. Programming is performed through the DI pin under JTAG boundary-scan control.
Does XC17256EVO8C require external pull-up resistors on its control pins?
Yes, XC17256EVO8C requires a 4.7 kΩ pull-up resistor on the CS# pin to ensure proper deassertion during power-up. The HOLD# pin also needs a pull-up if used; however, in most master serial configurations, HOLD# is left unconnected or tied high via resistor to maintain normal read operation.
Can XC17256EVO8C be used in a 3.3V system?
No, XC17256EVO8C is a 5V-only device and must be operated at 5.0 V ±10%. Its I/O structure is not 3.3V-tolerant, and interfacing directly with 3.3V FPGA configuration pins risks damage or unreliable operation. Level-shifting circuitry is required for mixed-voltage systems.
What is the function of the HOLD# pin on XC17256EVO8C?
The HOLD# pin on XC17256EVO8C pauses ongoing serial read transfers without resetting the internal address counter. When asserted low during a read cycle, it places the DO pin in high-impedance state and freezes the address pointer, allowing the host controller to temporarily suspend configuration without losing position.
XC17256EVO8C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- AMD
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Programmable Type:
- OTP
- Memory Size:
- 256Kb
- Voltage - Supply:
- 4.75V ~ 5.25V
- Operating Temperature:
- 0°C ~ 70°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-TSOP
XC17256EVO8C FAQ
1.How can I place an order for XC17256EVO8C through Aetrix?
Please submit a Request for Quotation (RFQ) for XC17256EVO8C on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for XC17256EVO8C reliable?
The price and inventory of XC17256EVO8C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XC17256EVO8C is usually 5 days.
3.What payment methods are accepted for XC17256EVO8C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XC17256EVO8C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XC17256EVO8C?
XC17256EVO8C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XC17256EVO8C order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for XC17256EVO8C?
For technical support, including XC17256EVO8C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XC17256EVO8C requirements.
6.How does Aetrix verify that XC17256EVO8C is sourced from the original manufacturer or authorized distributors?
All XC17256EVO8C products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that XC17256EVO8C meets industry standards.
7.What is the process for return or replacement of XC17256EVO8C?
All XC17256EVO8C units undergo pre-shipment inspection (PSI). If there is an issue with XC17256EVO8C, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The XC17256EVO8C part is unused and in its original packaging.
Return procedure for XC17256EVO8C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
XC17256EVO8C Tags
-
AT17LV512A-10PU
Microchip Technology
-
EPCQ4ASI8N
Intel
-
AT17LV256-10PU
Microchip Technology
-
AT17LV256-10NU
Microchip Technology
-
EPCQ16ASI8N
Intel
-
AT17LV010-10PU
Microchip Technology
-
EPCQ32ASI8N
Intel
-
EPCQ64ASI16N
Intel
-
EPCQ128ASI16N
Intel
-
AT17LV512A-10JU
Microchip Technology
-
AT17LV512-10JU
Microchip Technology
-
AT17LV010-10JU
Microchip Technology
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