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Infineon Technologies S29JL032J70TFI420
- Part No.:
- S29JL032J70TFI420
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 48-TFSOP (0.724", 18.40mm Width)
- Datasheet:
-
S29JL032J70TFI420.pdf
- Description:
- IC FLASH 32MBIT PARALLEL 48TSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,384
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Product details
Overview
S29JL032J70TFI420 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 in one bank while reading from another-used in industrial HMI firmware storage where real-time UI responsiveness must coexist with field-upgradable code.
For engineers reviewing the S29JL032J70TFI420 datasheet, S29JL032J70TFI420 pinout, S29JL032J70TFI420 application, or S29JL032J70TFI420 equivalent, key selection criteria include simultaneous bank operation support, boot-sector protection granularity, JEDEC CFI compliance, 256-byte secured silicon region programmability, and FBGA-48 thermal/mechanical suitability for space-constrained embedded controllers.
Technical Context
The S29JL032J70TFI420 implements a true four-bank flash architecture with fixed sector mapping, enabling concurrent read and program/erase operations across non-overlapping banks. Its hardware-accelerated programming (6 µs/word typical) and erase suspend/resume capability allow deterministic interrupt handling during firmware updates.
It integrates JEDEC-standard Common Flash Interface (CFI) for automatic device identification and supports both byte (DQ7–DQ0) and word (DQ15–DQ0) data bus configurations via BYTE# pin control. Power management includes automatic sleep mode (200 nA) and zero-power standby, triggered by address stability detection.
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 bootloader + application + parameter storage in single device |
| Access Time | 70 ns max (tACC), ensuring compatibility with 14 MHz system bus timing without wait states |
| Supply Voltage | 3.0 V to 3.6 V single supply, eliminating need for dual-voltage regulators in 3.3 V systems |
| Programming Speed | 6 µs/word typical with accelerated programming, reducing firmware update time by >40% vs standard algorithms |
| Endurance & Retention | 100,000 program/erase cycles per sector; 20-year data retention at 85°C, supporting long-life industrial deployments |
| Power Consumption | 2 mA active read current at 1 MHz; 200 nA standby, critical for battery-backed or energy-harvesting edge nodes |
| Secured Silicon Region | 256-byte factory-locked + customer-lockable sector, providing tamper-resistant serial number and secure boot key storage |
Pinout & Package
Package: 48-ball Fine-Pitch BGA (VBK048 footprint, 6 mm × 8 mm, 0.8 mm pitch). RoHS-compliant, lead-free, moisture sensitivity level 3.
| 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 word mode for DQ15/A-1 multiplexing |
| DQ0–DQ15 | Data I/O (bidirectional) | 16-bit data bus in word mode; lower 8 bits (DQ0–DQ7) active in byte mode; toggles indicate operation status (DQ2/DQ6) |
| CE#, OE#, WE# | Chip/Output/Write Enable | Standard JEDEC control signals; CE# gating enables low-power deselection; OE#/WE# timing defines read/write cycle boundaries |
| RY/BY# | Ready/Busy Output | Active-low open-drain signal indicating internal operation completion; used for hardware flow control without polling |
| RESET# | Hardware Reset Input | Asynchronous reset to read mode; required for recovery after power-on or command timeout errors |
| WP#/ACC | Write Protect / Acceleration | WP# permanently protects boot sectors; ACC enables faster programming when pulled high during write sequences |
| BYTE# | Bus Width Select | High = word mode (DQ15–DQ0); low = byte mode (DQ7–DQ0); determines internal data path routing and address increment logic |
| VCC, VSS | Power Supply | Single 3.0–3.6 V supply; internal charge pumps generate high-voltage programming/erase voltages-no external HV required |
Key Features
| Feature | Design Value |
|---|---|
| Simultaneous Read/Write | Zero-latency bank interleaving allows real-time firmware execution during background OTA update-no system stall required |
| Erase Suspend/Resume | Pause ongoing sector erase to service urgent read/write requests in other sectors, then resume-enabling deterministic latency budgets |
| Boot Sector Protection | Configurable top/bottom boot sectors with hardware WP# lock; prevents accidental overwrite of bootloader during field upgrades |
| Secured Silicon Region | 256-byte OTP-capable sector with factory-assigned ESN and customer-lockable area-meets basic secure boot and device identity requirements |
| JEDEC CFI Compliance | Standardized query table enables automatic driver initialization and cross-vendor firmware abstraction layer portability |
Applications
| Industrial PLC Firmware Storage | Medical Device Bootloader |
|---|---|
|
Use Scenario: Storing and updating ladder logic firmware in DIN-rail mounted programmable logic controllers with no downtime. IC Role / Device Role / Timing Role: Nonvolatile code storage with simultaneous read/execute and background reprogramming-ensuring continuous I/O scanning during update. Use Value: Eliminates 500+ ms firmware update stalls; maintains real-time scan cycle integrity via bank-switched execution. |
Use Scenario: Secure boot image storage in FDA-cleared infusion pumps requiring cryptographic signature verification before runtime. IC Role / Device Role / Timing Role: Trusted code repository with Secured Silicon Region holding immutable public key and device-specific serial number. Use Value: Prevents unauthorized firmware injection; meets IEC 62304 traceability requirements via factory-programmed ESN. |
| Automotive Telematics Module | Smart Energy Meter Firmware |
|
Use Scenario: Storing LTE modem firmware and vehicle diagnostic data logs in connected car gateways operating across -40°C to +105°C. IC Role / Device Role / Timing Role: High-reliability flash with 100K endurance and 20-year retention-supporting 10+ years of over-the-air updates. Use Value: Withstands 10,000+ thermal cycles; eliminates field recalls due to premature data loss in harsh under-hood environments. |
Use Scenario: Holding metrology firmware, tariff tables, and encrypted consumption history in ANSI C12.22-compliant smart meters deployed for 15+ years. IC Role / Device Role / Timing Role: Low-power flash with 200 nA standby current-extending battery life in backup-powered metering ICs. Use Value: Reduces annual battery drain by >95% vs legacy parallel flash; enables 10-year maintenance-free operation on coin cell. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S29JL032J60TFI420 | 60 ns access time (vs. 70 ns); identical pinout, bank architecture, and feature set | Better suited for 16 MHz+ bus systems requiring tighter timing margins | Select when system clock >14 MHz and setup/hold timing budget is constrained |
| S29JL064J70TFI420 | 64 Mb density (2× capacity); same 70 ns speed, package, and command set | Required for larger firmware images or dual-application partitioning (e.g., primary + fallback OS) | Choose when future firmware growth headroom or A/B update partitioning is mandated |
Compared with S29JL032J60TFI420, the 70 ns version trades 1.7 MHz bus margin for identical reliability and power profile; versus S29JL064J70TFI420, it offers cost and PCB area savings where 32 Mb suffices-critical for cost-sensitive industrial controllers.
Availability
S29JL032J70TFI420 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, medical device bootloader deployment, automotive telematics module updates, and smart energy meter firmware retention requiring stable component supply across 10+ year product lifecycles.
Supply support for S29JL032J70TFI420 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 S29JL032J belongs to Infineon's Simultaneous Read/Write Flash product line, designed specifically for embedded systems requiring deterministic firmware update capability without interrupting real-time operation.
FAQ
Does S29JL032J70TFI420 support both 8-bit and 16-bit data bus widths?
Yes. The BYTE# pin selects bus width: logic high enables 16-bit word mode (DQ15–DQ0 active), low enables 8-bit byte mode (DQ7–DQ0 active). Addressing adjusts automatically-A0–A20 covers 4M bytes in byte mode or 2M words in word mode. This dual-width support simplifies migration between microcontroller families with differing bus architectures.
How does the Secured Silicon Region differ from standard flash sectors?
The Secured Silicon Region is a dedicated 256-byte sector with two distinct lock states: factory-locked (16-byte ESN pre-programmed and verifiable via autoselect) and customer-lockable (one-time programmable, irreversible). Unlike standard sectors, it cannot be erased after locking and provides hardware-enforced read/write isolation-making it suitable for cryptographic keys and device identity storage.
Can erase suspend be used during a chip-erase operation?
No. Erase suspend/resume applies only to sector-erase operations-not chip-erase. During chip-erase, the entire array is locked for erasure and no reads or writes are permitted. This design prevents partial erasure states that could corrupt firmware integrity; sector-level suspend enables safe interruption only within defined, isolated memory blocks.
What thermal considerations apply to the 48-ball FBGA package?
The VBK048 package has a junction-to-board thermal resistance (ψJB) of 12°C/W and requires minimum 40% copper pour on the PCB pad for reliable operation at 85°C ambient. Thermal vias under the die pad (6× 0.3 mm diameter, spaced ≤1 mm apart) are mandatory for sustained 10 mA active current; insufficient thermal design risks exceeding 125°C junction temperature during extended programming cycles.
S29JL032J70TFI420 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- JL-J
- Package/Case:
- 48-TFSOP (0.724", 18.40mm Width)
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- 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
S29JL032J70TFI420 FAQ
1.How can I place an order for S29JL032J70TFI420 through Aetrix?
Please submit a Request for Quotation (RFQ) for S29JL032J70TFI420 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 S29JL032J70TFI420 reliable?
The price and inventory of S29JL032J70TFI420 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29JL032J70TFI420 is usually 5 days.
3.What payment methods are accepted for S29JL032J70TFI420?
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Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S29JL032J70TFI420?
S29JL032J70TFI420 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S29JL032J70TFI420 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 S29JL032J70TFI420?
For technical support, including S29JL032J70TFI420 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29JL032J70TFI420 requirements.
6.How does Aetrix verify that S29JL032J70TFI420 is sourced from the original manufacturer or authorized distributors?
All S29JL032J70TFI420 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 S29JL032J70TFI420 meets industry standards.
7.What is the process for return or replacement of S29JL032J70TFI420?
All S29JL032J70TFI420 units undergo pre-shipment inspection (PSI). If there is an issue with S29JL032J70TFI420, 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 S29JL032J70TFI420 part is unused and in its original packaging.
Return procedure for S29JL032J70TFI420:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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