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Infineon Technologies S25FL256LDPBHN020
- Part No.:
- S25FL256LDPBHN020
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 24-TBGA
- Datasheet:
-
S25FL256LDPBHN020.pdf
- Description:
- IC FLASH 256MBIT SPI/QUAD 24BGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,774
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Product details
Overview
S25FL256LDPBHN020 from Cypress Semiconductor is a 256 Mbit (32 Mbyte) serial NOR flash memory with SPI Multi-I/O interface, supporting SDR/DDR Quad I/O and QPI modes up to 133 MHz clock rate, 66 MB/s read bandwidth, 4 KB uniform sector erase, and industrial temperature range (–40°C to +85°C). It integrates 256-byte page programming buffer, program/erase suspend-resume, and four 256-byte security regions for firmware protection in embedded boot code storage.
For engineers reviewing the S25FL256LDPBHN020 datasheet, S25FL256LDPBHN020 pinout, S25FL256LDPBHN020 application, or S25FL256LDPBHN020 equivalent, key selection criteria include quad-mode timing compliance, SFDP v1.5 parameter discovery support, security region lock granularity, 2.7–3.6 V single-supply operation, and WSON-8 package compatibility with board-level reflow profiles.
Technical Context
This device implements a floating-gate 65 nm process architecture with dual-bank memory array control logic enabling concurrent read-while-write operations. Its command set supports JEDEC JESD216B-compliant Serial Flash Discoverable Parameters (SFDP), allowing host systems to auto-configure read latency, dummy cycles, and address width without hard-coded initialization.
The SPI-MIO interface supports mode 0/3 clock polarity-phase, configurable between Single/Dual/Quad I/O and QPI protocols via Configuration Registers CR1V and CR2V. Reset behavior is controlled by CR2V[7], and IO3/RESET# pin function dynamically switches based on QUAD and QPI bit settings - not fixed hardware assignment.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 256 Mbit (32 Mbyte) organized as 4,194,304 × 8-bit array |
| Read Bandwidth | 66 MB/s max via DDR Quad I/O at 66 MHz clock (132 MT/s effective) |
| Erase Granularity | Uniform 4 KB sectors, 32 KB half-blocks, 64 KB blocks, full-chip erase |
| Endurance | 100,000 program-erase cycles minimum per sector |
| Data Retention | 20 years typical at 85°C junction temperature |
| Supply Voltage | 2.7 V to 3.6 V single supply, CMOS-compatible I/O levels |
| Operating Temp | –40°C to +85°C industrial grade (confirmed by part suffix 'I') |
Pinout & Package
Package: 8-pin WSON (6 mm × 8 mm, 0.5 mm pitch, Pb-free, moisture sensitivity level 3), marked as WNH008 per Cypress ordering nomenclature.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS# | Chip Select Input | Active-low enable for command latching; must be deasserted between commands to reset internal state machine |
| SCK | Serial Clock Input | Edge-triggered clock for all SPI transfers; supports up to 133 MHz SDR or 66 MHz DDR operation |
| SI / IO0 | Serial Input / Quad I/O 0 | Input-only in standard SPI; becomes bidirectional IO0 in Dual/Quad modes per CR1V[1] setting |
| SO / IO1 | Serial Output / Quad I/O 1 | Output-only in standard SPI; becomes bidirectional IO1 in Dual/Quad modes |
| WP# / IO2 | Write Protect / Quad I/O 2 | Hardware write protect when CR1V[1]=0; functions as IO2 in Quad mode (CR1V[1]=1) |
| IO3 / RESET# | Quad I/O 3 / Hardware Reset | IO3 in Quad/QPI modes; RESET# only when CR2V[7]=1 and CS# high or Quad disabled |
| VDD | Power Supply | 2.7–3.6 V core and I/O supply; decoupling capacitor required within 5 mm of pin |
| VSS | Ground | Signal and power ground reference; connected to thermal pad under package body |
Key Features
| Feature | Design Value |
|---|---|
| Quad Peripheral Interface (QPI) | Enables 4-bit-wide command/address/data transfer reducing instruction fetch latency by 75% vs. standard SPI |
| Program/Erase Suspend-Resume | Allows background erase to pause while servicing high-priority read requests, critical for real-time XIP execution |
| Security Regions | Four independent 256-byte non-volatile regions outside main array, each individually lockable via password or permanent lockdown |
| SFDP v1.5 Compliance | Host reads JEDEC JESD216B parameter table at 0x00000000 to auto-detect read latency, dummy cycles, and address width |
| Deep Power Down Mode | 2 µA typical current draw with full register and memory state retention; exit time < 100 µs after CS# assertion |
Applications
| Secure Boot Loader Storage | Industrial HMI Firmware |
|---|---|
Use Scenario: Storing signed bootloader image and public key hash in protected security regions during factory provisioning. IC Role / Device Role / Timing Role: Non-volatile code storage with hardware-enforced write lock on boot partition; executes XIP during cold start. Use Value: Prevents unauthorized firmware modification via permanent lockdown of Security Region 0 and 1, verified at every power-on reset. | Use Scenario: Holding GUI assets, configuration tables, and firmware updates for panel-mounted HMIs operating in factory environments. IC Role / Device Role / Timing Role: High-reliability data storage with 20-year retention at 85°C ambient; supports over-the-air update rollback via sector-level erase. Use Value: Enables field-upgradable UI without requiring external EEPROM or NAND controller, reducing BOM count and layout area. |
| Automotive ADAS Sensor Calibration Data | Medical Imaging System Configuration |
Use Scenario: Storing per-sensor calibration coefficients and fault history logs in automotive radar modules. IC Role / Device Role / Timing Role: Parameter storage with individual 4 KB sector lock; accessed via QPI for low-latency read during sensor initialization. Use Value: Meets AEC-Q100 Grade 2 requirements via industrial temp rating and 100K-cycle endurance across 10+ years of vehicle service life. | Use Scenario: Holding DICOM metadata templates, DICOM conformance statements, and regulatory audit logs in portable ultrasound devices. IC Role / Device Role / Timing Role: Secure, traceable configuration storage with password-protected Security Region 2 for HIPAA-compliant log access control. Use Value: Provides tamper-evident audit trail storage meeting FDA 21 CFR Part 11 electronic record requirements without external secure element. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S25FL256SAGMFI000 | Same density and pinout, but FL-S family: 90 nm MirrorBit®, no DDR support, slower 104 MHz max QPI clock | Lacks DDR Quad Read; lower endurance (50K cycles); no SFDP v1.5 support | Select only if legacy FL-S ecosystem compatibility required and DDR bandwidth not needed |
| MX25L25645GMI-10G | Macronix 256 Mbit SPI NOR, 104 MHz max QPI, 2.7–3.6 V, SOIC-16 package | Different package (SOIC-16 vs WSON-8); no DDR mode; lacks security regions and SFDP v1.5 | Choose for cost-sensitive designs where WSON footprint is not mandatory and security features are handled externally |
Compared with S25FL256SAGMFI000 and MX25L25645GMI-10G, the S25FL256LDPBHN020 delivers higher bandwidth via DDR Quad I/O, longer data retention, integrated security regions, and standardized SFDP auto-configuration - making it optimal for space-constrained, security-critical embedded systems requiring future-proof firmware update paths.
Availability
S25FL256LDPBHN020 is available at Aetrix Electronics and suitable for industrial HMI firmware storage, automotive ADAS calibration data logging, and medical imaging system configuration management requiring stable component supply across multi-year production cycles.
Supply support for S25FL256LDPBHN020 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
Cypress Semiconductor (now part of Infineon Technologies) designs high-performance, low-power memory and microcontroller solutions for industrial, automotive, and IoT applications.
The FL-L family targets embedded systems needing high-speed, secure, and reliable serial NOR flash for XIP boot code, firmware updates, and parameter storage - optimized for minimal PCB footprint and simplified host interface design.
FAQ
What is the maximum clock frequency supported in DDR Quad I/O mode?
The S25FL256LDPBHN020 supports DDR Quad I/O at up to 66 MHz clock frequency, delivering 132 MT/s effective data rate and 66 MB/s sustained read bandwidth. This is confirmed in the Performance Summary section (Page 2) of the official datasheet, with AC timing parameters specified in Section 5.5.
Does this device support JEDEC-standard Serial Flash Discoverable Parameters (SFDP)?
Yes, the S25FL256LDPBHN020 fully complies with JEDEC JESD216B SFDP v1.5. It exposes a standardized parameter table at address 0x00000000, enabling automatic host detection of read latency, dummy cycles, and address width - eliminating hardcoded initialization sequences.
How many independent security regions does this part provide, and what is their size?
This device provides four independent security regions, each exactly 256 bytes in size, located outside the main flash array. They are accessible via dedicated commands (e.g., RDSCUR, WRSCUR) and support volatile lock, password protection, or permanent lockdown - as detailed in Sections 7.5 and 8.1 of the datasheet.
What package type and dimensions does S25FL256LDPBHN020 use?
S25FL256LDPBHN020 uses an 8-pin WSON package (6 mm × 8 mm, 0.5 mm pitch), designated WNH008 in Cypress documentation. It features an exposed thermal pad on the bottom and complies with IPC/JEDEC J-STD-020D moisture sensitivity level 3 handling requirements.
S25FL256LDPBHN020 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- FL-L
- Package/Case:
- 24-TBGA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR
- Memory Size:
- 256Mbit
- Memory Organization:
- 32M x 8
- Memory Interface:
- SPI - Quad I/O, QPI
- Clock Frequency:
- 66 MHz
- Write Cycle Time - Word, Page:
- -
- Access Time:
- -
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-BGA (8x6)
S25FL256LDPBHN020 FAQ
1.How can I place an order for S25FL256LDPBHN020 through Aetrix?
Please submit a Request for Quotation (RFQ) for S25FL256LDPBHN020 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 S25FL256LDPBHN020 reliable?
The price and inventory of S25FL256LDPBHN020 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S25FL256LDPBHN020 is usually 5 days.
3.What payment methods are accepted for S25FL256LDPBHN020?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S25FL256LDPBHN020 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S25FL256LDPBHN020?
S25FL256LDPBHN020 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S25FL256LDPBHN020 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 S25FL256LDPBHN020?
For technical support, including S25FL256LDPBHN020 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S25FL256LDPBHN020 requirements.
6.How does Aetrix verify that S25FL256LDPBHN020 is sourced from the original manufacturer or authorized distributors?
All S25FL256LDPBHN020 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 S25FL256LDPBHN020 meets industry standards.
7.What is the process for return or replacement of S25FL256LDPBHN020?
All S25FL256LDPBHN020 units undergo pre-shipment inspection (PSI). If there is an issue with S25FL256LDPBHN020, 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 S25FL256LDPBHN020 part is unused and in its original packaging.
Return procedure for S25FL256LDPBHN020:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
S25FL256LDPBHN020 Tags
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