Infineon Technologies S29JL032J70TFI313
- Part No.:
- S29JL032J70TFI313
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 48-TFSOP (0.724", 18.40mm Width)
- Datasheet:
-
S29JL032J70TFI313.pdf
- Description:
- IC FLASH 32MBIT PARALLEL 48TSOP
- Quantity:
- Payment:

- Shipping:

Inventory:977
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Product details
Overview
S29JL032J70TFI313 from Infineon Technologies (formerly Cypress) is a 32-Mb simultaneous read/write flash memory organized as 4M × 8-bit or 2M × 16-bit, operating at 3.0 V only, with 70 ns access time, four-bank architecture, and secured silicon region. It enables zero-latency background erase/program while reading from another bank in embedded boot code storage, industrial HMI firmware, and automotive ECU log buffers.
For engineers reviewing the S29JL032J70TFI313 datasheet, S29JL032J70TFI313 pinout, S29JL032J70TFI313 application, or S29JL032J70TFI313 equivalent, key selection criteria include simultaneous bank operation support, JEDEC CFI compliance, hardware sector protection, and 20-year data retention under industrial temperature conditions.
Technical Context
The S29JL032J70TFI313 implements a four-bank flash architecture where two banks operate concurrently-one executing erase/program, the other supporting full-speed read. Each bank supports independent sector erase, and boot sectors are configurable top or bottom.
It integrates hardware features including RY/BY# status output, RESET# pin for state machine reset, WP#/ACC pin for write protection and programming acceleration, and BYTE# control for 8-/16-bit mode selection. Internal voltage regulation enables single 3.0 V supply operation for both read and program/erase functions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 Mb (4,194,304 × 8-bit or 2,097,152 × 16-bit), enabling full firmware image storage for mid-tier microcontrollers. |
| Access Time | 70 ns max tACC - determines worst-case instruction fetch latency in real-time boot sequences. |
| Operating Voltage | 3.0–3.6 V - compatible with standard 3.3 V logic rails without level-shifting circuitry. |
| Cycling Endurance | 100,000 erase/program cycles per sector - supports field-updatable firmware with frequent patch deployment. |
| Data Retention | 20 years typical at 125°C - validated for automotive under-hood and industrial control environments. |
| Power Consumption | 200 nA standby current - enables ultra-low-power retention during system sleep modes. |
| Simultaneous Operation | Two-bank concurrency - allows background firmware update without halting application execution. |
Pinout & Package
Package: 48-ball Fine-pitch BGA (VBK048 footprint). Pinout validated per Infineon Document 002-00857 Rev. *J, Figure 4.2 and Table 5.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A20 | Address Inputs | 21-bit address bus supporting full 4M-byte or 2M-word addressing; A-1 used only in byte mode for DQ15/A-1 multiplexing. |
| DQ0–DQ15 | Data I/O (16-bit) / DQ0–DQ7 (8-bit) | Bidirectional data bus; BYTE# pin selects 8- or 16-bit mode; DQ7/DQ6/DQ2 provide status polling and toggle feedback. |
| CE#, OE#, WE# | Chip/Output/Write Enable | Standard JEDEC-compliant control signals; enable bus contention avoidance and cycle timing control. |
| RY/BY# | Ready/Busy Output | Active-low open-drain signal indicating active program/erase completion; used for hardware flow control. |
| RESET# | Hardware Reset Input | Asynchronous reset of internal state machine to read mode; required for recovery after power-on or error states. |
| WP#/ACC | Write Protect / Acceleration Input | WP# protects outermost boot sectors; ACC enables faster programming when asserted during command sequences. |
| BYTE# | Bus Width Select | High = 16-bit mode (DQ15–DQ0); low = 8-bit mode (DQ7–DQ0); configures data path width at power-up. |
Key Features
| Feature | Design Value |
|---|---|
| Simultaneous Read/Write | Zero-latency concurrent operation across two independent banks - eliminates firmware update stalls in real-time systems. |
| Secured Silicon Region | 256-byte factory-locked + customer-lockable sector - provides tamper-resistant storage for serial numbers, keys, or boot loaders. |
| Erase Suspend/Resume | Pause ongoing sector erase to service urgent reads/writes elsewhere - enables responsive interrupt-driven firmware updates. |
| Hardware Sector Protection | Individual sector lock via WP# or command interface - prevents accidental overwrite of critical boot or configuration sectors. |
| CFI Compliance | JEDEC-standard Common Flash Interface - enables OS-agnostic flash drivers and automated detection in Linux/U-Boot environments. |
Applications
| Industrial PLC Firmware Storage | Automotive ECU Boot Memory |
|---|---|
|
Use Scenario: Storing and updating ladder logic firmware in programmable logic controllers with runtime validation requirements. IC Role / Device Role / Timing Role: Non-volatile boot and application code storage with in-system reprogrammability and sector-level protection. Use Value: Four-bank architecture allows background firmware download while maintaining deterministic scan-cycle timing during operation. |
Use Scenario: Holding boot code and calibration data in engine control units requiring ASIL-B compliant update resilience. IC Role / Device Role / Timing Role: Primary boot flash with top/bottom boot sector configuration and secured silicon for anti-tampering. Use Value: 20-year data retention at 125°C and 100K endurance ensure reliability over vehicle lifetime without refresh cycles. |
| Medical Device Configuration Storage | Network Router Boot Image |
|
Use Scenario: Storing device-specific calibration parameters and safety-critical configuration profiles in diagnostic imaging equipment. IC Role / Device Role / Timing Role: Protected parameter storage with hardware write-protection and erase suspend for safe field updates. Use Value: WP#/ACC pin and temporary unprotect enable secure, auditable configuration changes without full chip erase. |
Use Scenario: Hosting dual-boot images and recovery firmware in enterprise-grade routers requiring zero-downtime upgrades. IC Role / Device Role / Timing Role: Simultaneous read/write flash supporting A/B partitioning for atomic firmware swaps. Use Value: Background erase in one bank while serving live traffic from another reduces upgrade window to sub-second interruption. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S29JL032J60TFI313 | 60 ns access time vs. 70 ns; identical architecture, package, and feature set. | Preferred where tighter read timing is required in high-clock-frequency host interfaces (e.g., 100+ MHz bus). | Select when system timing budget demands sub-70 ns tACC; otherwise, 70 ns variant offers same functionality at lower cost. |
| S29JL064J70TFI313 | 64 Mb density (double capacity); same 70 ns speed, 48-ball FBGA, and simultaneous read/write capability. | Suitable for next-generation designs requiring larger firmware images or dual-application storage. | Choose when future-proofing for >32 Mb firmware growth or implementing secure dual-image boot schemes. |
Compared with S29JL032J60TFI313, the 70 ns variant trades marginal timing margin for broader voltage tolerance (2.7–3.6 V vs. 3.0–3.6 V); versus S29JL064J70TFI313, it delivers identical performance at half the density and reduced PCB footprint.
Availability
S29JL032J70TFI313 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ECU boot memory, and medical device configuration storage requiring stable component supply across extended product lifecycles.
Supply support for S29JL032J70TFI313 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, automotive MCUs, and non-volatile memory solutions for industrial and mission-critical applications.
The S29JL032J belongs to Infineon's Spansion-branded parallel NOR flash product line, designed specifically for deterministic, high-reliability boot and firmware storage in safety-aware embedded systems.
FAQ
Does S29JL032J70TFI313 support both 8-bit and 16-bit data bus configurations?
Yes. The BYTE# pin selects bus width: logic high enables 16-bit mode (DQ15–DQ0), low enables 8-bit mode (DQ7–DQ0). Address lines A0–A20 decode fully in both modes, with A-1 multiplexed on DQ15 in byte mode. This flexibility supports legacy 8-bit microcontrollers and modern 16-bit bus interfaces without redesign.
How does the Secured Silicon Region function in practice?
The 256-byte Secured Silicon Region includes 16 bytes pre-programmed with a factory electronic serial number and supports one-time customer locking. Once locked, no further writes are possible. It is accessed via dedicated CFI commands and verified as locked using the autoselect function - providing cryptographic root-of-trust for secure boot implementations.
What is the role of the WP#/ACC pin beyond write protection?
WP# permanently protects the two outermost boot sectors from program/erase when asserted. When used as ACC (acceleration), it shortens internal programming pulse timing - reducing typical word program time from 12 µs to 6 µs. This dual-function pin simplifies board design by eliminating separate protection and performance-enable signals.
Can S29JL032J70TFI313 perform true background erase without halting reads?
Yes. Using Erase Suspend/Erase Resume commands, the device pauses an ongoing sector erase to allow immediate read or program operations in any non-erasing sector. After servicing the urgent request, it resumes the original erase - achieving true background operation without CPU intervention or timing penalties.
S29JL032J70TFI313 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- JL-J
- Package/Case:
- 48-TFSOP (0.724", 18.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- 70ns
- Access Time:
- 70 ns
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-TSOP
S29JL032J70TFI313 FAQ
1.How can I place an order for S29JL032J70TFI313 through Aetrix?
Please submit a Request for Quotation (RFQ) for S29JL032J70TFI313 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 S29JL032J70TFI313 reliable?
The price and inventory of S29JL032J70TFI313 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29JL032J70TFI313 is usually 5 days.
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Once your S29JL032J70TFI313 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 S29JL032J70TFI313?
For technical support, including S29JL032J70TFI313 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29JL032J70TFI313 requirements.
6.How does Aetrix verify that S29JL032J70TFI313 is sourced from the original manufacturer or authorized distributors?
All S29JL032J70TFI313 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 S29JL032J70TFI313 meets industry standards.
7.What is the process for return or replacement of S29JL032J70TFI313?
All S29JL032J70TFI313 units undergo pre-shipment inspection (PSI). If there is an issue with S29JL032J70TFI313, 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 S29JL032J70TFI313 part is unused and in its original packaging.
Return procedure for S29JL032J70TFI313:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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