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Infineon Technologies S29WS128N0SBFW012

Name: S29WS128N0SBFW012
Brand: Infineon Technologies
SKU: S29WS128N0SBFW012
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: S29WS128N0SBFW012

Manufacturer:: Infineon Technologies

Category:: Memory

Package:: -

Datasheet:: S29WS128N0SBFW012.pdf

Description:: IC FLASH 128MBIT PARALLEL 84FBGA

Quantity:: RFQ Add To RFQ list

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Inventory:2,815

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Product details

Overview

S29WS128N0SBFW012 from Cypress Semiconductor (now Infineon) is a 128 Mbit (8 M x 16-bit) 1.8 V simultaneous read/write burst flash memory using 110 nm MirrorBit™ technology, supporting zero-latency dual-bank operation, 80 MHz synchronous burst access (9 ns tBACC), and hardware write protection for top/bottom sectors - deployed in wireless baseband processors and boot code storage for embedded telecom modules.

For engineers reviewing the S29WS128N0SBFW012 datasheet, S29WS128N0SBFW012 pinout, S29WS128N0SBFW012 application, or S29WS128N0SBFW012 equivalent, key selection criteria include 1.7–1.95 V single-supply operation, 32-word write buffer capability, CFI compliance, RDY output signaling, and FBGA-84 package compatibility with MCP footprint constraints.

Technical Context

This device implements a sixteen-bank architecture enabling true concurrent read and write across independent banks using separate address/data paths. It supports both synchronous (burst) and asynchronous operation modes, with programmable linear burst lengths (8/16/32 words) and wrap-around capability.

Advanced sector protection includes persistent lock bits, dynamic password-based unprotection, and hardware WP# control over four outermost sectors. The RDY output provides precise timing feedback during program/erase operations, while ACC input enables accelerated factory programming at V_HH.

Key Specifications

Parameter	Value and Actual Design Meaning
Memory Density	128 Mbit (8 Mwords × 16-bit bus), directly maps to 16 MB of executable code space
Supply Voltage	1.7 V to 1.95 V - enables direct integration with 1.8 V core logic without level shifting
Burst Read Speed	80 MHz with 9 ns tBACC - delivers sustained 1280 MB/s effective bandwidth in continuous burst mode
Write Buffer Size	32-word buffer - reduces average programming time per word to 9.4 µs (VCC) or 6 µs (VACC)
Data Retention	20 years typical - validated under JEDEC JESD22-A117 stress conditions
Cycling Endurance	100,000 program/erase cycles per sector - supports field firmware updates over product lifetime
Package	84-ball FBGA (8 mm × 11.6 mm, 0.8 mm pitch) - MCP-compatible footprint for stacked memory solutions

Pinout & Package

84-ball Fine-Pitch Ball Grid Array (FBGA), 8 mm × 11.6 mm, lead-free compliant (VBH084 package). Pin assignments follow JEDEC-standard ball grid layout with MCP look-ahead compatibility.

Pin/Terminal	Circuit Role	Design Meaning
A22–A0	Address Inputs	23-bit address bus (A22–A0) selects 8 Mword locations; A23 is NC on 128N variant
DQ15–DQ0	Bi-directional Data Bus	16-bit parallel interface for instruction/code transfer; supports byte/word access per JEDEC standard
CE#, OE#, WE#	Chip/Output/Write Enable	Asynchronous control signals - CE# enables device, OE# gates output drivers, WE# controls write latching
RDY	Ready Output	Active-high open-drain signal indicating valid data availability during burst reads or completion of program/erase
CLK, AVD#	Clock & Address Valid	CLK drives burst counter; AVD# latches starting address on next active clock edge in burst mode
WP#, ACC, RESET#	Protection & Control	WP# disables top/bottom sector writes; ACC enables V_HH-mode acceleration; RESET# forces return to read mode

Key Features

Feature	Design Value
Simultaneous Read/Write	Zero-latency dual-bank operation allows background firmware update while executing code from alternate bank
Secured Silicon Sector	128-word factory + 128-word customer reserved region for secure boot keys or calibration data storage
Advanced Sector Protection	Persistent lock bits + password method prevent unauthorized firmware modification without physical reprogramming
Suspend/Resume Commands	Pause erase or program operations to service high-priority interrupts, then resume without data loss
Common Flash Interface (CFI)	Standardized query table enables OS/driver auto-detection and configuration without hard-coded parameters

Applications

Wireless Baseband Processor Boot Memory

Industrial HMI Firmware Storage

Use Scenario: Stores boot loader and real-time OS kernel for LTE/5G baseband SoCs requiring fast cold-start execution.

IC Role / Device Role / Timing Role: Primary non-volatile code storage with simultaneous read (execution) and write (field update) capability.

Use Value: Eliminates need for external SRAM shadowing; 80 MHz burst read ensures sub-100 ms boot time from power-on reset.

Use Scenario: Holds GUI firmware, configuration tables, and safety-critical logic for panel-mounted HMIs in factory automation.

IC Role / Device Role / Timing Role: Dual-role memory supporting both runtime code execution and secure over-the-air (OTA) firmware patching.

Use Value: Hardware WP# and password protection prevent accidental or malicious corruption during network-initiated updates.

Automotive Telematics Module

Medical Imaging System Boot ROM

Use Scenario: Stores certified bootloader and communication stack for cellular-connected telematics control units (TCUs).

IC Role / Device Role / Timing Role: Secure, AEC-Q100-aligned boot memory with 20-year data retention for automotive lifecycle requirements.

Use Value: Secured Silicon Sector stores cryptographic keys; RDY output synchronizes firmware validation with microcontroller timing windows.

Use Scenario: Hosts diagnostic firmware and calibration profiles for portable ultrasound and X-ray imaging devices.

IC Role / Device Role / Timing Role: High-reliability code storage with 100K-cycle endurance to support frequent regulatory-mandated software revisions.

Use Value: Suspend/resume functionality allows interruption of long erase cycles during emergency system reboot sequences.

Equivalent & Alternatives

The following parts are listed as comparable options for similar burst-mode flash memory applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
S29WS128P0SBFW012	Successor generation: 90 nm process, improved tBACC (7 ns @ 80 MHz), enhanced ECC support	Required for new designs per Cypress migration notice; supports tighter timing margins in high-speed interfaces	Select when designing new platforms requiring extended product lifecycle and updated qualification standards
MX29GL128FTEI-90G	128 Mbit, 1.8 V, 90 ns tACC asynchronous access; no simultaneous read/write or burst mode	Limited to legacy systems where concurrent operation is unnecessary and timing budgets allow slower access	Consider only for cost-sensitive replacements where performance degradation is acceptable

Compared with S29WS128N0SBFW012, the S29WS128P offers measurable improvements in burst latency and reliability, while MX29GL128F provides basic compatibility at lower performance - making the P-series the only recommended path for production continuity.

Availability

S29WS128N0SBFW012 is available at Aetrix Electronics and suitable for wireless infrastructure, industrial HMI, and automotive telematics applications requiring stable component supply despite end-of-life status.

Supply support for S29WS128N0SBFW012 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, acquired by Infineon in 2020, is a leader in high-performance non-volatile memory and microcontroller solutions for embedded systems.

The S29WS-N family was designed specifically for wireless and portable electronics demanding low-voltage operation, concurrent code execution and update, and robust security features - targeting baseband processors and modem subsystems.

FAQ

Is S29WS128N0SBFW012 still in production?

No - Cypress officially retired the S29WS-N family in January 2016 and designated S29WS128P as the factory-recommended replacement. Aetrix maintains limited legacy stock for continuity support but does not accept new production forecasts for this part.

What is the function of the ACC pin on S29WS128N0SBFW012?

The ACC (Acceleration) pin accepts V_HH (typically 11–12 V) to enable accelerated programming mode, reducing single-word programming time to 40 µs and automatically entering unlock bypass mode. At V_IL, it disables all program/erase functions - critical for preventing unintended writes during power-up sequencing.

Can S29WS128N0SBFW012 be used in synchronous and asynchronous modes simultaneously?

No - the device operates in either synchronous (burst) or asynchronous mode at any given time, selected via the Burst Control Register. However, it supports *simultaneous read and write* across two independent banks within the same mode, using separate address/data paths and zero-latency arbitration.

Does S29WS128N0SBFW012 support JEDEC-standard Common Flash Interface (CFI)?

Yes - it implements full CFI version 1.3 compliance, including standardized query identification strings, command set mapping, and geometry descriptors. This enables automatic detection and configuration by BIOS, U-Boot, and Linux MTD drivers without vendor-specific initialization code.

S29WS128N0SBFW012 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: -

Packaging:: Bulk

Product Status:: Obsolete

Programmable:: Not Verified

Memory Type:: -

Memory Format:: FLASH

Technology:: FLASH - NOR

Memory Size:: 128Mbit

Memory Organization:: 8M x 16

Memory Interface:: Parallel

Clock Frequency:: 80 MHz

Write Cycle Time - Word, Page:: -

Access Time:: -

Voltage - Supply:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

S29WS128N0SBFW012 FAQ

1.How can I place an order for S29WS128N0SBFW012 through Aetrix?

Please submit a Request for Quotation (RFQ) for S29WS128N0SBFW012 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 S29WS128N0SBFW012 reliable?

The price and inventory of S29WS128N0SBFW012 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29WS128N0SBFW012 is usually 5 days.

3.What payment methods are accepted for S29WS128N0SBFW012?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S29WS128N0SBFW012 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for S29WS128N0SBFW012?

S29WS128N0SBFW012 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S29WS128N0SBFW012 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 S29WS128N0SBFW012?

For technical support, including S29WS128N0SBFW012 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29WS128N0SBFW012 requirements.

6.How does Aetrix verify that S29WS128N0SBFW012 is sourced from the original manufacturer or authorized distributors?

All S29WS128N0SBFW012 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 S29WS128N0SBFW012 meets industry standards.

7.What is the process for return or replacement of S29WS128N0SBFW012?

All S29WS128N0SBFW012 units undergo pre-shipment inspection (PSI). If there is an issue with S29WS128N0SBFW012, 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 S29WS128N0SBFW012 part is unused and in its original packaging.

Return procedure for S29WS128N0SBFW012:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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