Infineon Technologies S29GL032N90BAI040
- Part No.:
- S29GL032N90BAI040
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 48-VFBGA
- Datasheet:
-
S29GL032N90BAI040.pdf
- Description:
- IC FLASH 32MBIT PARALLEL 48FBGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
S29GL032N90BAI040 from Infineon Technologies (formerly Cypress) is a 32-Mbit, 3.0-V single-power-supply MirrorBit Flash memory organized as 2,097,152 words (4,194,304 bytes), featuring 90 ns access time, 25 ns page read time, and uniform sector architecture with sixty-four 32 Kword (64 KB) sectors. It supports 16-bit data bus operation with BYTE#-enabled 8-bit mode, operates across VCC = 2.7–3.6 V and VIO = 1.65–3.6 V, and is used for embedded boot code storage in industrial controllers and network edge devices.
For engineers reviewing the S29GL032N90BAI040 datasheet, S29GL032N90BAI040 pinout, S29GL032N90BAI040 application, or S29GL032N90BAI040 equivalent, key selection criteria include JEDEC software compatibility, Secured Silicon Sector with factory-programmed 128-word ESN, Advanced Sector Protection (Persistent and Password modes), and support for Program/Erase Suspend & Resume functionality in real-time firmware update systems.
Technical Context
This device implements a command-set-compatible, single-supply NOR Flash architecture using 110 nm MirrorBit process technology. It features separate CE#, WE#, and OE# controls, hardware RESET# input, and RY/BY# status output - enabling deterministic timing control for boot ROM and firmware storage in resource-constrained microcontroller-based systems.
The VersatileI/O™ interface allows all I/O voltage levels to be set by VIO (1.65–3.6 V), decoupling I/O signaling from core VCC (2.7–3.6 V). Sector erase architecture supports independent erasure of any 64 KB sector without affecting others, while CFI compliance enables automatic device identification and configuration in host systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 Mbit (2,097,152 × 16-bit words); sufficient for full bootloader + diagnostic firmware in compact embedded systems. |
| Access Time | 90 ns at VCC = 2.7–3.6 V; meets real-time boot latency requirements for industrial PLCs and motor drives. |
| Page Read Time | 25 ns; enables fast sequential instruction fetch from cached pages during runtime execution. |
| Erase Endurance | 100,000 cycles per sector; supports field firmware updates over 10+ years in deployed equipment. |
| Data Retention | 20 years at 125°C; validated for automotive under-hood and industrial high-temp environments. |
| Supply Voltage | VCC = 2.7–3.6 V, VIO = 1.65–3.6 V; allows interoperability with mixed-voltage SoCs and FPGAs. |
| Package | 48-pin TSOP (Type I, standard thin small outline); compatible with legacy PCB footprints and automated assembly. |
Pinout & Package
Package: 48-pin TSOP (Type I, standard thin small outline), 12 mm × 20 mm body, 0.5 mm pitch, JEDEC MO-142AC compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A20 | Address Inputs | 21-bit address bus supporting full 32 Mbit addressing; A-1 (DQ15/A-1) provides byte-select capability in 8-bit mode. |
| DQ0–DQ15 | Data/Address Multiplexed I/O | 16-bit bidirectional data bus; DQ15 doubles as A-1 for byte addressing when BYTE# = low. |
| CE# | Chip Enable | Active-low chip select; must be asserted before WE# or OE# to enable device operation. |
| WE# | Write Enable | Controls write latching; low during command sequences and programming/erase cycles. |
| OE# | Output Enable | Enables output drivers during read operations; independent of CE# for flexible timing control. |
| RESET# | Hardware Reset | Aborts ongoing program/erase and returns device to read mode; synchronizes with system power-on reset. |
| RY/BY# | Ready/Busy Output | Open-drain status signal indicating active programming/erase; eliminates need for polling overhead. |
| WP#/ACC | Write Protect / Accelerated Program | Protects first/last sector when low; applies high-voltage ACC during production programming to reduce cycle time. |
| BYTE# | Bus Width Select | Configures 16-bit (high) or 8-bit (low) data interface; enables compatibility with 8-bit microcontrollers. |
| VIO | I/O Supply Voltage | Sets logic threshold for all address, control, and data pins; enables mixed-voltage interfacing without level shifters. |
Key Features
| Feature | Design Value |
|---|---|
| Secured Silicon Sector | 128-word (256-byte) factory-locked region with 8-word ESN; provides immutable device identity for secure boot and licensing. |
| Advanced Sector Protection | Persistent (non-volatile bit-lock) and Password (16-byte challenge-response) modes prevent unauthorized firmware modification. |
| Program/Erase Suspend & Resume | Allows interruption of long-duration operations to service higher-priority reads; essential for real-time OS integration. |
| CFI Compliance | Standardized query structure enables automatic detection and configuration by BIOS/bootloader without hard-coded parameters. |
| Unlock Bypass Mode | Reduces multi-word programming overhead from 4 to 2 write cycles per word; improves throughput in manufacturing flash programming. |
Applications
| Industrial PLC Firmware Storage | Automotive Body Control Module Boot ROM |
|---|---|
|
Use Scenario: Storing boot firmware and safety-critical control logic in programmable logic controllers operating in harsh factory environments with wide temperature swings and EMI exposure. IC Role / Device Role / Timing Role: Non-volatile boot memory providing deterministic 90 ns read access to initialize FPGA-configurable logic and real-time I/O drivers at power-up. Use Value: 20-year data retention at 125°C ensures firmware integrity over product lifetime without refresh; uniform 64 KB sectors simplify field update partitioning. |
Use Scenario: Hosting certified ASIL-B boot code and calibration tables in automotive body control modules requiring ISO 26262-compliant memory reliability. IC Role / Device Role / Timing Role: Secure, tamper-resistant storage for signed bootloader images, accessed via MCU's XIP-capable memory controller during cold start. Use Value: Secured Silicon Sector with factory-programmed ESN enables cryptographic binding of firmware to hardware; Persistent Sector Protection prevents accidental overwrite during diagnostics. |
| Network Edge Router Configuration Storage | Medical Diagnostic Imaging Boot Loader |
|
Use Scenario: Holding configuration profiles, TLS certificates, and fail-safe recovery images in carrier-grade edge routers deployed in unattended telecom cabinets. IC Role / Device Role / Timing Role: Dual-mode (8/16-bit) Flash memory interfaced to ARM Cortex-A series SoC, supporting both legacy and modern bus widths. Use Value: Erase Suspend allows background certificate rotation while maintaining packet forwarding; CFI compliance simplifies firmware upgrade across heterogeneous router platforms. |
Use Scenario: Storing FDA-cleared boot loader and self-test routines in portable ultrasound and MRI subsystems where regulatory traceability and data integrity are mandatory. IC Role / Device Role / Timing Role: Primary boot ROM mapped into processor's address space, accessed via synchronous read with RY/BY# handshake for predictable timing. Use Value: 100,000 erase cycles support frequent clinical software updates; hardware RESET# ensures deterministic recovery after power fault events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NOR Flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S29GL032N90TFI040 | Same die, 48-ball fine-pitch BGA (VBK048) package; no TSOP pins; 0.8 mm ball pitch. | Used in space-constrained designs (e.g., handheld medical devices) where PCB area is prioritized over reworkability. | Select when board layout requires BGA footprint and thermal/mechanical constraints preclude TSOP. |
| MX29GL320EBTI-90G | 32 Mbit, 90 ns, 3.0 V; Macronix part with identical pinout and command set but lacks Secured Silicon Sector and Password Protection. | Suitable for cost-sensitive consumer applications where cryptographic security is not required. | Choose only if advanced protection features are unnecessary and supply chain diversification is critical. |
Compared with S29GL032N90BAI040, the BGA variant offers superior high-frequency signal integrity and smaller footprint but limits reworkability, while the Macronix alternative trades security features for broader distributor availability and lower unit cost in non-secure applications.
Availability
S29GL032N90BAI040 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive body control module boot ROM, and network edge router configuration storage requiring stable component supply, long-term lifecycle support, and guaranteed obsolescence management.
Supply support for S29GL032N90BAI040 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 industrial, automotive, and IoT applications.
This device belongs to the S29GL-N MirrorBit Flash family, designed specifically for reliable, secure, and high-performance boot code and firmware storage in mission-critical embedded systems demanding long data retention and robust write protection.
FAQ
Is S29GL032N90BAI040 pin-compatible with earlier S29GL032N variants?
Yes - it shares identical 48-pin TSOP pinout, command set, and electrical specifications with other S29GL032N speed grades (e.g., 110 ns models), differing only in access time and internal timing parameters. No PCB redesign is needed when upgrading from slower variants within the same package type.
Does this device support true 8-bit data bus operation?
Yes - when BYTE# is driven low, the device operates in 8-bit mode using DQ0–DQ7 only, with DQ8–DQ15 disabled. Address lines remain fully functional, and all commands, including sector erase and program, retain full compatibility without modification.
What is the function of the WP#/ACC pin during normal operation?
When held high, WP#/ACC functions as write-protect for the first or last sector (configurable via software). When driven to VCC + 1.5 V (typically 4.5–5.5 V), it activates accelerated programming mode, reducing individual word programming time by ~30% - intended for high-throughput factory programming.
Can the Secured Silicon Sector be reprogrammed after factory locking?
No - once permanently locked (via command sequence or factory setting), the 128-word Secured Silicon Sector becomes read-only and immune to erase or program commands. The embedded 8-word Electronic Serial Number remains accessible but cannot be altered, ensuring permanent device identity.
S29GL032N90BAI040 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- GL-N
- Package/Case:
- 48-VFBGA
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- 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:
- 48-FBGA (8.15x6.15)
S29GL032N90BAI040 FAQ
1.How can I place an order for S29GL032N90BAI040 through Aetrix?
Please submit a Request for Quotation (RFQ) for S29GL032N90BAI040 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 S29GL032N90BAI040 reliable?
The price and inventory of S29GL032N90BAI040 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29GL032N90BAI040 is usually 5 days.
3.What payment methods are accepted for S29GL032N90BAI040?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S29GL032N90BAI040 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S29GL032N90BAI040?
S29GL032N90BAI040 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S29GL032N90BAI040 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 S29GL032N90BAI040?
For technical support, including S29GL032N90BAI040 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29GL032N90BAI040 requirements.
6.How does Aetrix verify that S29GL032N90BAI040 is sourced from the original manufacturer or authorized distributors?
All S29GL032N90BAI040 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 S29GL032N90BAI040 meets industry standards.
7.What is the process for return or replacement of S29GL032N90BAI040?
All S29GL032N90BAI040 units undergo pre-shipment inspection (PSI). If there is an issue with S29GL032N90BAI040, 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 S29GL032N90BAI040 part is unused and in its original packaging.
Return procedure for S29GL032N90BAI040:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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