Infineon Technologies S29GL032N90FFI020
- Part No.:
- S29GL032N90FFI020
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 64-LBGA
- Datasheet:
-
S29GL032N90FFI020.pdf
- Description:
- IC FLASH 32MBIT PARALLEL 64FBGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
S29GL032N90FFI020 from Infineon Technologies (formerly Cypress) is a 32 Mbit (4,194,304-byte), 16-bit-wide single-supply MirrorBit Flash memory IC with uniform sector architecture (64 × 64 KB sectors), 90 ns access time, and 100,000 erase cycles per sector - deployed in industrial control firmware storage and boot code retention applications.
For engineers reviewing the S29GL032N90FFI020 datasheet, S29GL032N90FFI020 pinout, S29GL032N90FFI020 application, or S29GL032N90FFI020 equivalent, key selection factors include VIO-supported VersatileI/O™ compatibility (1.65–3.6 V), CFI compliance for host auto-identification, Secured Silicon Sector with factory-programmed 16-byte ESN, and hardware reset (RESET#) + Ready/Busy# (RY/BY#) signaling for embedded system integration.
Technical Context
This device implements a JEDEC-standard command-set Flash memory architecture with hot-electron injection programming and hot-hole assisted sector erase. It supports byte/word configuration via BYTE# input and uses dual voltage domains: VCC (2.7–3.6 V) for core logic and VIO (1.65–3.6 V) to define I/O voltage levels independently.
The 32 Mbit array is organized as 2,097,152 words, with full command compatibility for read, program, sector erase, chip erase, suspend/resume, and autoselect modes. Status reporting relies on DQ7 data polling, DQ6/DQ2 toggle bits, and RY/BY# output - enabling deterministic timing control in real-time firmware update sequences.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 32 Mbit (4,194,304 bytes), organized as 2,097,152 × 16-bit words - directly maps to 32 KB boot image or firmware partition storage. |
| Access Time | 90 ns at VCC = 2.7–3.6 V and VIO = 2.7–3.6 V - enables direct interface with 10 MHz+ microcontroller buses without wait states. |
| Erase Endurance | 100,000 cycles per sector - supports field firmware updates over 10+ years in industrial gateways. |
| Data Retention | 20 years at 125 °C - validated for extended operation in automotive under-hood or industrial motor drive environments. |
| Supply Voltage | Single 3.0 V supply (VCC = 2.7–3.6 V); VIO = 1.65–3.6 V - allows interoperability with 1.8 V, 2.5 V, or 3.3 V host I/O without level shifters. |
| Page Read Buffer | 8-word (16-byte) buffer with 25 ns page access - accelerates sequential instruction fetch during boot execution. |
| Write Buffer | 16-word (32-byte) write buffer - reduces multi-word programming overhead by >40% vs. single-word writes. |
Pinout & Package
Package: 48-pin TSOP (Type I, standard thin small outline package), 12 × 20 mm body, lead pitch 0.5 mm - compatible with automated SMT placement and reflow profiles per J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A21 | Address inputs | 22-bit address bus supporting full 32 Mbit addressing; A-1 used as DQ15 in x16 mode. |
| DQ0–DQ15 | Data I/O bidirectional bus | 16-bit parallel interface; DQ15 doubles as A-1 for x16 addressing; supports BYTE#-controlled x8/x16 mode switching. |
| CE# | Chip enable (active low) | Primary device select; must be asserted before WE# or OE# to initiate valid cycle - enables multi-device memory decoding. |
| OE# | Output enable (active low) | Controls data bus drivers during read; independent of CE# - allows shared bus arbitration with other peripherals. |
| WE# | Write enable (active low) | Latches address/data during command sequences; combined with CE#/OE# defines read/write/erase state machine transitions. |
| WP#/ACC | Write protect / accelerated program input | Hardware sector lock (WP#) or high-voltage programming assist (ACC); protects first/last sector even during accelerated write. |
| RESET# | Hardware reset (active low) | Aborts ongoing program/erase and returns device to read mode - synchronizes boot firmware reload after power-on or watchdog timeout. |
| RY/BY# | Ready/Busy output (active low) | Open-drain status signal indicating active internal operation; eliminates need for software polling in time-critical systems. |
| VIO | I/O voltage reference | Sets input threshold and output swing for all address/control/data pins - decouples I/O logic from core VCC for mixed-voltage designs. |
Key Features
| Feature | Design Value |
|---|---|
| Secured Silicon Sector | 128-word (256-byte) factory- or customer-lockable region with 8-word (16-byte) ESN - provides immutable device identity for secure boot and anti-cloning. |
| Advanced Sector Protection | Persistent Sector Protection (PPB) and Password Sector Protection (PSP) - enables hierarchical firmware partitioning: bootloader (locked), config (password-protected), app (user-writable). |
| Erase/Program Suspend & Resume | Pause erase/program in one sector to read/program another - enables concurrent firmware validation and update without halting system operation. |
| CFI Compliance | JEDEC JESD68-defined Common Flash Interface - allows host BIOS or bootloader to auto-detect geometry, timing, and command set without hard-coded parameters. |
| Unlock Bypass Mode | Two-cycle command sequence replaces four-cycle standard programming - cuts multi-word write latency by ~50%, critical for OTA patch deployment. |
Applications
| Industrial PLC Firmware Storage | Automotive Body Control Module Boot Memory |
|---|---|
|
Use Scenario: Nonvolatile storage of ladder logic programs and I/O mapping tables in programmable logic controllers operating continuously at 85 °C ambient. IC Role / Device Role / Timing Role: Primary boot and runtime firmware repository with hardware reset recovery and sector-level update isolation. Use Value: 20-year data retention at 125 °C ensures firmware integrity across full product lifecycle without refresh; 100K erase cycles support quarterly firmware patches over 25 years. |
Use Scenario: Storing boot code and CAN protocol stack in automotive BCMs requiring ISO 26262 ASIL-B compliance and secure firmware authentication. IC Role / Device Role / Timing Role: Secure boot memory with Secured Silicon Sector holding cryptographic keys and CFI-enabled runtime self-verification. Use Value: Factory-programmed 16-byte ESN enables unique device binding to OEM certificate chains; PPB locking prevents unauthorized bootloader modification. |
| Medical Imaging System Configuration Memory | Telecom Base Station FPGA Bitstream Storage |
|
Use Scenario: Retaining calibration coefficients, sensor offsets, and user preferences in portable ultrasound devices subject to frequent power cycling and ESD events. IC Role / Device Role / Timing Role: Parameter storage with hardware write protection (WP#) and VIO-tolerant I/O for mixed-signal SoC interfacing. Use Value: 1 µA standby current extends battery life between calibrations; 1.65–3.6 V VIO range matches 1.8 V FPGA I/O banks without external level translation. |
Use Scenario: Storing Xilinx/Intel FPGA configuration bitstreams in outdoor macrocell base stations exposed to wide temperature swings (-40 to +85 °C). IC Role / Device Role / Timing Role: High-reliability configuration memory with 90 ns access time enabling sub-100 ms FPGA startup after cold boot. Use Value: 90 ns CE# access time meets FPGA configuration clock timing budgets; 64 KB uniform sectors align with bitstream partitioning tools for partial reconfiguration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S29GL032N90TFI020 | Same die, 48-ball fine-pitch BGA (VBK048) package - 8.15 × 6.15 mm, 0.8 mm ball pitch | Required for space-constrained PCB layouts where TSOP footprint is prohibitive; no change in timing or command set | Select when board area is constrained and BGA assembly capability exists; thermal performance marginally better than TSOP at 85 °C. |
| MX29GL32EHXFI-90G | Micron 32 Mbit Flash, 90 ns access, but uses different command set (non-CFI-compliant) and lacks Secured Silicon Sector | Acceptable for cost-sensitive consumer applications without security or host auto-configuration requirements | Choose only if CFI compliance and ESN-based device identity are not required; verify full command sequence rework in firmware. |
Compared with S29GL032N90FFI020, the BGA variant offers identical functionality in a smaller footprint but requires requalification of solder joint reliability, while the Micron alternative sacrifices security and host interoperability for lower unit cost - making the original TSOP version optimal for industrial and automotive designs demanding proven qualification and firmware flexibility.
Availability
S29GL032N90FFI020 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive body control module boot memory, and medical imaging system configuration memory requiring stable component supply across extended product lifecycles.
Supply support for S29GL032N90FFI020 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 acquired Cypress Semiconductor in 2020 and maintains the MirrorBit Flash portfolio with full technical and supply chain continuity for legacy and new designs.
The S29GL-N series targets high-reliability embedded systems requiring long-term firmware storage, secure boot, and JEDEC-compliant Flash interoperability - especially in industrial automation, automotive ECUs, and medical equipment.
FAQ
Does S29GL032N90FFI020 support both x8 and x16 data bus widths?
Yes - it supports configurable x8/x16 operation via the BYTE# input. When BYTE# is low, the device operates in x16 mode using DQ0–DQ15; when high, it operates in x8 mode using DQ0–DQ7 only. This allows flexible integration with 8-bit microcontrollers or 16-bit DSPs without external multiplexing.
What is the function of the WP#/ACC pin, and how does it differ from standard WP#?
The WP#/ACC pin serves dual roles: as WP# it permanently protects the first or last sector against accidental erase/program; as ACC it accepts elevated voltage (typically 5.5 V) to accelerate programming throughput during manufacturing. The pin's function is determined by voltage level and timing - no mode-select register is required.
Is the Secured Silicon Sector pre-programmed with a unique identifier at factory shipment?
Yes - each unit ships with a factory-programmed 8-word (16-byte) Electronic Serial Number (ESN) in the Secured Silicon Sector. This ESN is readable via a defined command sequence and cannot be altered once the sector is locked, providing cryptographically verifiable device identity for secure boot chains.
How does the Erase Suspend feature interact with sector protection settings?
Erase Suspend allows pausing an ongoing sector erase to read or program another sector - but only in unprotected sectors. If the target sector for read/program is protected (via PPB or password), the suspend operation will fail and return toggle-bit error status (DQ5). Protection state is checked in real time during suspend/resume transitions.
S29GL032N90FFI020 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- GL-N
- Package/Case:
- 64-LBGA
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- Programmable:
- 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:
- 64-FBGA (13x11)
S29GL032N90FFI020 FAQ
1.How can I place an order for S29GL032N90FFI020 through Aetrix?
Please submit a Request for Quotation (RFQ) for S29GL032N90FFI020 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 S29GL032N90FFI020 reliable?
The price and inventory of S29GL032N90FFI020 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29GL032N90FFI020 is usually 5 days.
3.What payment methods are accepted for S29GL032N90FFI020?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S29GL032N90FFI020 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S29GL032N90FFI020?
S29GL032N90FFI020 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S29GL032N90FFI020 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 S29GL032N90FFI020?
For technical support, including S29GL032N90FFI020 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29GL032N90FFI020 requirements.
6.How does Aetrix verify that S29GL032N90FFI020 is sourced from the original manufacturer or authorized distributors?
All S29GL032N90FFI020 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 S29GL032N90FFI020 meets industry standards.
7.What is the process for return or replacement of S29GL032N90FFI020?
All S29GL032N90FFI020 units undergo pre-shipment inspection (PSI). If there is an issue with S29GL032N90FFI020, 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 S29GL032N90FFI020 part is unused and in its original packaging.
Return procedure for S29GL032N90FFI020:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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