Infineon Technologies S29GL032N90BFA043
- Part No.:
- S29GL032N90BFA043
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 48-VFBGA
- Datasheet:
-
S29GL032N90BFA043.pdf
- Description:
- IC FLASH 32MBIT PARALLEL 48FBGA
- Quantity:
- Payment:

- Shipping:

Inventory:1,353
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Product details
Overview
S29GL032N90BFA043 from Infineon Technologies (formerly Cypress) is a 32 Mbit (4,194,304-byte), 16-bit-wide single-power-supply MirrorBit Flash memory with 90 ns access time, uniform sector architecture (64 × 64 KB sectors), and Secured Silicon Sector for factory-programmed 128-word electronic serial number. It operates from a single 3.0 V supply (2.7–3.6 V), supports JEDEC-compliant command set, and is used in embedded boot code storage for industrial controllers.
For engineers reviewing the S29GL032N90BFA043 datasheet, S29GL032N90BFA043 pinout, S29GL032N90BFA043 application, or S29GL032N90BFA043 equivalent, key selection criteria include 90 ns CE# access time, 1 µA standby current, CFI compliance, 100,000 erase cycles per sector, and support for Program/Erase Suspend & Resume in real-time firmware update systems.
Technical Context
This device implements a 110 nm MirrorBit floating-gate NAND-like cell architecture enabling high-density, single-VCC operation without charge pumps. It uses hot-hole assisted erase and hot-electron injection for programming, with dedicated internal voltage generators for erase/program operations.
The command interface is fully JEDEC JESD21-C compliant, supporting Autoselect, CFI query, sector erase, chip erase, and unlock-bypass programming. Sector protection includes persistent lock bits and password-protected regions, with hardware WP#/ACC input enabling accelerated programming and first/last sector write protection independent of software settings.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 Mbit (4,194,304 bytes), organized as 2,097,152 × 16-bit words |
| Access Time | 90 ns max CE# access time at VCC = 2.7–3.6 V - enables direct CPU bus interfacing without wait states in 25 MHz systems |
| Supply Voltage | Single 2.7–3.6 V VCC; VIO = 1.65–3.6 V - supports mixed-voltage I/O with 1.8 V or 3.3 V host logic |
| Erase Endurance | 100,000 cycles per sector - validated for field firmware updates over 10+ years in industrial gateways |
| Data Retention | 20 years typical at 125 °C - meets extended-life requirements for automotive and energy infrastructure applications |
| Page Read Buffer | 8-word (16-byte) buffer with 25 ns page read time - reduces sequential read latency by 60% vs. random access |
| Write Buffer | 16-word (32-byte) buffer - cuts multi-word programming time by up to 4× versus single-word writes |
Pinout & Package
Package: 48-pin TSOP (Type 1, standard thin small outline package, 12 × 20 mm body).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A21 | Address inputs | 22-bit address bus; A21 selects upper 16 MB block in 32 MB space; A-1 (DQ15) used as MSB in byte mode |
| DQ0–DQ15 | Data I/O bidirectional bus | 16-bit data path; DQ15 doubles as A-1 in BYTE#-enabled 8-bit mode |
| CE#, OE#, WE# | Chip, output, and write enable controls | Independent gating: CE# enables device, OE# enables output drivers, WE# initiates write cycles |
| WP#/ACC | Write protect / accelerated program input | Low = protects first/last sector; high + VCC ≥ 3.0 V = enables ACC mode for faster factory programming |
| RY/BY# | Ready/Busy open-drain output | Active-low status signal indicating ongoing program/erase; used for polling or interrupt-driven operation |
| RESET# | Hardware reset input | Asynchronous active-low reset that terminates all operations and returns device to read mode |
| BYTE# | Bus width configuration | Low = 16-bit mode; high = 8-bit mode using DQ0–DQ7 only; enables compatibility with 8-bit microcontrollers |
| VIO | I/O voltage reference | Defines input threshold and output swing (1.65–3.6 V); decoupled from VCC for mixed-signal system integration |
Key Features
| Feature | Design Value |
|---|---|
| Secured Silicon Sector | 128-word (256-byte) factory-lockable region with 8-word electronic serial number - provides immutable device identity for secure boot and anti-cloning |
| Program/Erase Suspend & Resume | Allows interruption of active program/erase in one sector to read/program another - essential for real-time OS firmware patching without system freeze |
| CFI Compliance | JEDEC-standard Common Flash Interface allows automatic detection and configuration by bootloader - eliminates hard-coded flash parameters in BSPs |
| Unlock Bypass Programming | Reduces multi-word programming overhead from 4 to 2 write cycles per word - improves production line throughput by ~35% |
| Hardware Data Protection | On-chip low-VCC detector inhibits writes during power ramp-up/down - prevents corruption during brown-out or hot-plug events |
Applications
| Industrial PLC Firmware Storage | Automotive ECU Boot Memory |
|---|---|
Use Scenario: Storing and executing boot loader and safety-critical control firmware in programmable logic controllers operating in -40°C to +85°C environments. IC Role / Device Role / Timing Role: Non-volatile boot memory mapped directly to CPU address space; provides deterministic 90 ns read access for fast cold-start initialization. Use Value: 20-year data retention ensures firmware integrity across full product lifecycle without recalibration or refresh. | Use Scenario: Holding ASIL-B compliant boot code and calibration tables in engine control units subject to ISO 16750-2 vibration and thermal cycling. IC Role / Device Role / Timing Role: Primary boot ROM accessed at power-on reset; RY/BY# signal synchronizes firmware load with MCU clock domain. Use Value: 100,000 erase cycles support field reprogramming for emissions compliance updates over 15+ years. |
| Medical Imaging System Configuration | Telecom Base Station BIOS |
Use Scenario: Storing FPGA configuration bitstreams and device-specific calibration profiles in portable ultrasound machines requiring FDA-grade traceability. IC Role / Device Role / Timing Role: Secure configuration store with Secured Silicon Sector holding unique device ID and cryptographic keys for HIPAA-compliant audit logs. Use Value: Password Sector Protection prevents unauthorized modification of calibration data during service or field upgrade. | Use Scenario: Hosting BIOS and FPGA configuration images in carrier-grade 5G baseband units deployed in outdoor cabinets with wide temperature swings. IC Role / Device Role / Timing Role: Dual-image storage partitioned across uniform sectors; Erase Suspend enables background firmware validation while maintaining live traffic. Use Value: 1 µA standby current minimizes power draw during sleep-mode RF shutdown, extending cabinet battery backup runtime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S29GL032N90TFI030 | Same die, 56-pin TSOP package, 110 ns access time, VIO = 1.65–3.6 V | Lower I/O voltage tolerance enables direct interface with 1.8 V FPGAs; slower timing requires wait-state insertion | Select when board layout requires larger pitch or lower VIO compatibility is mandatory |
| MX29GL32EHXFI-90G | 32 Mbit, 90 ns, 48-pin TSOP, Macronix; no Secured Silicon Sector; CFI-compatible but lacks Password Sector Protection | Lacks factory-programmable serial number and password-based sector lock - unsuitable for secure boot or device authentication | Select for cost-sensitive non-secure applications where advanced protection features are unused |
Compared with S29GL032N90TFI030, this part delivers tighter 90 ns timing at full VCC range and fits compact 48-pin layouts; versus MX29GL32EHXFI-90G, it adds certified secure identity and cryptographically enforced sector locking - critical for regulated firmware deployments.
Availability
S29GL032N90BFA043 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ECU boot memory, and medical imaging system configuration requiring stable component supply, long-term lifecycle support, and guaranteed traceability.
Supply support for S29GL032N90BFA043 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.
The S29GL-N family was originally developed by Cypress and continues under Infineon's Flash Memory product line, targeting high-reliability embedded boot and firmware storage where data integrity, security, and long-term endurance are mission-critical.
FAQ
What is the function of the WP#/ACC pin on S29GL032N90BFA043?
The WP#/ACC pin serves dual functions: when pulled low, it hardware-protects the first or last sector regardless of software protection settings; when driven high with VCC ≥ 3.0 V, it enables Accelerated Program mode, reducing programming time by applying elevated internal voltage. This pin is not multiplexed with other signals and must be externally biased or controlled via system GPIO.
Does S29GL032N90BFA043 support 8-bit data bus operation?
Yes, it supports 8-bit operation via the BYTE# input: when BYTE# is high, only DQ0–DQ7 are active and DQ8–DQ15 are tri-stated, enabling connection to 8-bit microcontrollers or legacy buses. Addressing remains 22-bit (A0–A21), with A-1 functionality retained on DQ15 only in 16-bit mode.
How is the Secured Silicon Sector programmed and locked?
The Secured Silicon Sector is pre-programmed with a unique 8-word electronic serial number at the factory and can be permanently locked using a dedicated command sequence (0x60 → 0xD0). Once locked, no further writes or erases are possible in that 128-word region. Customer programming before locking is supported but requires specific unlock sequences and is irreversible after lock activation.
Can S29GL032N90BFA043 be used in systems with 1.8 V I/O interfaces?
Yes, provided VIO is supplied at 1.8 V (within 1.65–3.6 V range) and VCC remains within 2.7–3.6 V. Input thresholds scale with VIO, so 1.8 V logic levels are correctly recognized; output swing is also referenced to VIO. However, access time degrades to 110 ns under 1.8 V VIO, requiring system timing validation.
S29GL032N90BFA043 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- GL-N
- Package/Case:
- 48-VFBGA
- Packaging:
- Tape & Reel (TR)
- 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:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-FBGA (8.15x6.15)
S29GL032N90BFA043 FAQ
1.How can I place an order for S29GL032N90BFA043 through Aetrix?
Please submit a Request for Quotation (RFQ) for S29GL032N90BFA043 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 S29GL032N90BFA043 reliable?
The price and inventory of S29GL032N90BFA043 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29GL032N90BFA043 is usually 5 days.
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Once your S29GL032N90BFA043 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 S29GL032N90BFA043?
For technical support, including S29GL032N90BFA043 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29GL032N90BFA043 requirements.
6.How does Aetrix verify that S29GL032N90BFA043 is sourced from the original manufacturer or authorized distributors?
All S29GL032N90BFA043 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 S29GL032N90BFA043 meets industry standards.
7.What is the process for return or replacement of S29GL032N90BFA043?
All S29GL032N90BFA043 units undergo pre-shipment inspection (PSI). If there is an issue with S29GL032N90BFA043, 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 S29GL032N90BFA043 part is unused and in its original packaging.
Return procedure for S29GL032N90BFA043:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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