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Home > Products > Integrated Circuits (ICs) > Memory > Memory

Cypress Semiconductor Corp S29GL032N90TAI010

Name: S29GL032N90TAI010
Brand: Cypress Semiconductor Corp
SKU: S29GL032N90TAI010
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: S29GL032N90TAI010

Manufacturer:: Cypress Semiconductor Corp

Category:: Memory

Package:: 56-TFSOP (0.724", 18.40mm Width)

Datasheet:: S29GL032N90TAI010.pdf

Description:: FLASH - NOR MEMORY IC 32MB (4M X

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Product details

Overview

S29GL032N90TAI010 from Infineon Technologies (formerly Cypress) is a 32 Mbit (4,194,304-byte), 16-bit-wide single-supply MirrorBit Flash memory IC with 90 ns access time, uniform sector architecture (64 × 64 KB sectors), and Secured Silicon Sector for factory- or customer-programmed 128-word electronic serial number. It operates from 2.7–3.6 V VCC and 1.65–3.6 V VIO, supporting boot code storage in industrial control firmware.

For engineers reviewing the S29GL032N90TAI010 datasheet, S29GL032N90TAI010 pinout, S29GL032N90TAI010 application, or S29GL032N90TAI010 equivalent, key selection criteria include JEDEC-compliant command set, hardware reset (RESET#) and ready/busy (RY/BY#) signaling, 100,000 erase cycles per sector, CFI compliance for host auto-detection, and WP#/ACC-accelerated programming for production throughput.

Technical Context

This device implements a synchronous command-set-driven Flash architecture with hot-electron injection programming and hot-hole assisted sector erase. It features dual voltage domain operation: VCC powers core logic and array, while VIO independently sets I/O buffer thresholds-enabling interoperability with 1.8 V or 3.3 V host buses.

Its flexible sector protection includes Persistent Sector Protection (lock-bit based, no high-voltage required) and Password Sector Protection (128-byte password entry via command sequence). Erase/program suspend/resume allows concurrent read access to unprotected sectors during background operations, critical for real-time firmware updates.

Key Specifications

Parameter	Value and Actual Design Meaning
Memory size	32 Mbit (4,194,304 bytes), organized as 2,097,152 × 16-bit words
Access time	90 ns max at VCC = 2.7–3.6 V - enables direct execution from flash in microcontroller boot sequences
Sector architecture	64 uniform 64 KB sectors - simplifies firmware partitioning and OTA update management
Erase endurance	100,000 cycles typical per sector - supports field firmware reprogramming over product lifetime
Data retention	20 years typical at 125 °C - qualified for automotive under-hood and industrial extended-temperature applications
I/O voltage range	VIO = 1.65–3.6 V - allows interface to both 1.8 V logic and 3.3 V systems without level shifters
Programming buffer	16-word (32-byte) write buffer - reduces multi-word programming time by >40% vs. byte-by-byte writes

Pinout & Package

Package: 48-pin TSOP (Standard Thin Small Outline Package), lead pitch 0.5 mm, body size 12 × 20 mm - compatible with standard surface-mount reflow profiles and legacy PCB footprints.

Pin/Terminal	Circuit Role	Design Meaning
A0–A21	Address inputs	22-bit address bus; A21 selects upper 16 MB half of 32 MB space; A-1 (DQ15) used as MSB in x16 mode
DQ0–DQ15	Data I/O bidirectional bus	16-bit data path; DQ7 = Data# Polling status bit; DQ6/DQ2 = toggle bits for operation monitoring
CE#, OE#, WE#	Chip, output, and write enable controls	Independent active-low enables allow interleaved read/write and page-mode access without bus contention
RESET#	Hardware reset input	Asynchronous reset terminates all operations and returns device to read mode - tied to system reset for safe boot recovery
RY/BY#	Ready/Busy output	Open-drain active-low signal indicates internal program/erase completion - eliminates need for polling overhead in RTOS tasks
WP#/ACC	Write protect / accelerated program input	Low = protects first/last sector; high-voltage pulse = enables faster programming - used in manufacturing test and field firmware flashing
BYTE#	Bus width configuration	Low = x16 mode; high = x8 mode (DQ0–DQ7 only active) - supports mixed-width host interfaces
VIO	I/O supply reference	Sets input threshold and output drive strength independently of VCC - ensures timing integrity across voltage domains

Key Features

Feature	Design Value
Secured Silicon Sector	128-word (256-byte) factory- or user-lockable region with 8-word ESN - enables secure device identity binding for anti-cloning and license enforcement
CFI compliance	JEDEC JESD68-defined parameter tables accessible via command - allows generic flash driver reuse across multiple vendors' devices
Program/Erase Suspend	Pause ongoing write/erase to read/program other sectors - essential for deterministic response in safety-critical boot loaders
Unlock Bypass mode	Two-cycle command sequence replaces four-cycle standard programming - cuts firmware patch time by ~50% in high-volume production
Hardware data protection	On-chip VCC detector inhibits writes during brown-out - prevents corruption during power-up/down transitions without external supervisor IC

Applications

Industrial PLC Firmware Storage

Automotive Instrument Cluster Boot Memory

Use Scenario: Storing and executing boot firmware and configuration data in programmable logic controllers operating continuously in harsh factory environments.

IC Role / Device Role / Timing Role: Non-volatile code storage with deterministic 90 ns read latency and hardware reset recovery - serves as primary XIP (execute-in-place) memory during cold start.

Use Value: 20-year data retention at 125 °C ensures firmware integrity over full equipment lifecycle without refresh; uniform 64 KB sectors simplify delta-update partitioning.

Use Scenario: Holding calibrated display drivers and safety-critical startup routines in digital instrument clusters subject to automotive temperature cycling (-40 °C to 125 °C).

IC Role / Device Role / Timing Role: Boot ROM with RESET#-synchronized initialization and RY/BY#-driven status feedback - guarantees predictable boot timing under battery brown-out conditions.

Use Value: VIO = 1.65–3.6 V supports direct interface to 1.8 V MCU peripherals; Secured Silicon Sector stores unique calibration checksums resistant to tampering.

Medical Diagnostic Equipment BIOS

Telecom Base Station Configuration Memory

Use Scenario: Storing regulatory-compliant boot images and device-specific calibration parameters in FDA-class II diagnostic imaging systems requiring traceable firmware versions.

IC Role / Device Role / Timing Role: Secure, field-updatable firmware repository with Password Sector Protection - enforces dual-approval workflow for firmware changes.

Use Value: 100,000 erase cycles support repeated clinical software validation cycles; CFI compliance enables automated version verification during service technician updates.

Use Scenario: Retaining carrier-specific configuration profiles and FPGA bitstreams in outdoor 4G/5G base station radios exposed to wide thermal swings and long service intervals.

IC Role / Device Role / Timing Role: High-reliability configuration store with Erase Suspend capability - allows live radio reconfiguration without interrupting RF transmission.

Use Value: Uniform sector layout enables atomic profile swaps; hardware WP#/ACC enables secure remote firmware signing and loading via trusted execution environment.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
S29GL032N90TFI010	Same die, 48-ball fine-pitch BGA (VBK048) package - 8.15 × 6.15 mm, 0.5 mm pitch	Targeted for space-constrained designs (e.g., portable medical devices); lacks TSOP footprint compatibility	Select when board area is constrained and BGA assembly capability exists; verify thermal pad grounding per Infineon VBK048 spec.
MX29GL320EHTI-90G	Macleod Semiconductor part; 32 Mbit, 90 ns, but uses 1.8 V core + 3.3 V I/O; no Secured Silicon Sector or Password Protection	Lacks hardware security features; requires external voltage translation for 3.3 V hosts	Choose only for cost-sensitive, non-secure applications where CFI and JEDEC command compatibility suffice.

Compared with S29GL032N90TFI010, the TSOP-packaged S29GL032N90TAI010 offers easier prototyping and thermal management; versus MX29GL320EHTI-90G, it delivers integrated security and single-supply simplicity at modest cost premium - critical for regulated or safety-certified systems.

Availability

S29GL032N90TAI010 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive instrument cluster boot memory, and medical diagnostic equipment BIOS requiring stable component supply and long-term obsolescence planning.

Supply support for S29GL032N90TAI010 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

Infineon Technologies is a global semiconductor leader headquartered in Munich, Germany, specializing in power management, sensor, and memory solutions for automotive, industrial, and IoT markets.

The S29GL-N family was originally developed by Cypress and continues under Infineon's Flash Memory product line, targeting high-reliability embedded systems requiring secure, long-life, single-supply non-volatile storage with JEDEC interoperability.

FAQ

What is the function of the BYTE# pin on S29GL032N90TAI010?

The BYTE# pin configures the data bus width: when pulled low, the device operates in 16-bit mode (DQ0–DQ15 active); when pulled high, it operates in 8-bit mode (DQ0–DQ7 only). This allows flexible integration with both 8-bit and 16-bit microcontrollers without external multiplexing, and is latched at power-on reset.

Does S29GL032N90TAI010 support true 1.8 V I/O operation?

Yes - the VIO pin accepts 1.65–3.6 V, enabling full-speed 90 ns operation with 1.8 V host logic. Input thresholds track VIO, and output drive strength scales accordingly. No level shifters are needed when interfacing to 1.8 V FPGAs or MCUs, provided VCC remains within 2.7–3.6 V.

How is the Secured Silicon Sector programmed and locked?

It is programmed using the Enter Secured Silicon Sector command (0x00–0x07), then permanently locked via the Program Secured Silicon Sector command (0x08–0x0F). Once locked, no further writes or erases are possible - even with VPP applied. The 8-word Electronic Serial Number is pre-programmed at factory and readable via standard read commands after unlock sequence.

Can S29GL032N90TAI010 be used in place of older S29AL032D parts?

No - although both are 32 Mbit NOR Flash, S29AL032D uses 1.8 V core/3.0 V I/O, lacks CFI, has different command set (no suspend/resume), and no Secured Silicon Sector. Pinout differs (S29AL032D is 48-pin TSOP but with distinct signal mapping), making them not drop-in replacements without firmware and layout revision.

S29GL032N90TAI010 Specifications

Product attributes: Attribute value

Manufacturer:: Cypress Semiconductor Corp

Series:: GL-N

Package/Case:: 56-TFSOP (0.724", 18.40mm Width)

Packaging:: Tray

Product Status:: Obsolete

Programmable:: Not Verified

Memory Type:: Non-Volatile

Memory Format:: FLASH

Technology:: FLASH - NOR

Memory Size:: 32Mbit

Memory Organization:: 4M x 8, 2M x 16

Memory Interface:: Parallel

Clock Frequency:: -

Write Cycle Time - Word, Page:: 90ns

Access Time:: 90 ns

Voltage - Supply:: 2.7V ~ 3.6V

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 56-TSOP

S29GL032N90TAI010 FAQ

1.How can I place an order for S29GL032N90TAI010 through Aetrix?

Please submit a Request for Quotation (RFQ) for S29GL032N90TAI010 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 S29GL032N90TAI010 reliable?

The price and inventory of S29GL032N90TAI010 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29GL032N90TAI010 is usually 5 days.

3.What payment methods are accepted for S29GL032N90TAI010?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S29GL032N90TAI010 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for S29GL032N90TAI010?

S29GL032N90TAI010 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S29GL032N90TAI010 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 S29GL032N90TAI010?

For technical support, including S29GL032N90TAI010 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29GL032N90TAI010 requirements.

6.How does Aetrix verify that S29GL032N90TAI010 is sourced from the original manufacturer or authorized distributors?

All S29GL032N90TAI010 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 S29GL032N90TAI010 meets industry standards.

7.What is the process for return or replacement of S29GL032N90TAI010?

All S29GL032N90TAI010 units undergo pre-shipment inspection (PSI). If there is an issue with S29GL032N90TAI010, 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 S29GL032N90TAI010 part is unused and in its original packaging.

Return procedure for S29GL032N90TAI010:

1.Submit a request within 90 days.

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

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