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Home > Products > Integrated Circuits (ICs) > Memory > Memory

Infineon Technologies S29JL032J70BHI320

Name: S29JL032J70BHI320
Brand: Infineon Technologies
SKU: S29JL032J70BHI320
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: S29JL032J70BHI320

Manufacturer:: Infineon Technologies

Category:: Memory

Package:: 48-VFBGA

Datasheet:: S29JL032J70BHI320.pdf

Description:: IC FLASH 32MBIT PARALLEL 48FBGA

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Product details

Overview

S29JL032J70BHI320 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 boot sector configuration. 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 S29JL032J70BHI320 datasheet, S29JL032J70BHI320 pinout, S29JL032J70BHI320 application, or S29JL032J70BHI320 equivalent, key selection criteria include simultaneous bank operation support, secured silicon region (256-byte OTP), JEDEC CFI compliance, hardware write protection via WP#/ACC, and FBGA-48 package compatibility with high-density PCB layouts.

Technical Context

The device implements a true dual-bank or quad-bank flash architecture with fixed sector mapping, enabling concurrent read and program/erase operations across non-overlapping banks. Its command set fully complies with JEDEC 42.4, supporting CFI interrogation, erase suspend/resume, and autoselect mode for system identification.

Internal voltage regulation generates required programming/erasing voltages from a single 3.0 V supply. Power management includes automatic sleep mode (200 nA) triggered by address stability and standby mode, while hardware features include RY/BY# status signaling, RESET# pin for state machine reset, and WP#/ACC pin combining write protection and accelerated programming.

Key Specifications

Parameter	Value and Actual Design Meaning
Memory Density	32 Mb (4,194,304 × 8-bit or 2,097,152 × 16-bit) - supports full firmware images for mid-tier microcontrollers without external memory expansion.
Access Time	70 ns (tACC) - meets timing requirements for 14 MHz bus interfaces in ARM Cortex-M7-based industrial controllers.
Banks	Four independent banks - allows interleaved firmware update and execution, eliminating system stalls during field upgrades.
Endurance	100,000 program/erase cycles per sector - ensures >10 years of daily over-the-air update capability in connected gateways.
Data Retention	20 years typical - guarantees long-term reliability for medical device boot code stored in secured silicon region.
Power Modes	200 nA automatic sleep / 2 mA active read @1 MHz - enables ultra-low-power operation in battery-backed data loggers.
Secured Silicon	256-byte factory-lockable OTP sector - provides tamper-resistant storage for cryptographic keys or calibration data.

Pinout & Package

Package: 48-ball Fine-pitch BGA (VBK048 footprint, 8 mm × 10 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; BYTE# selects 8-/16-bit mode.
DQ0–DQ15	Data I/O	16-bit bidirectional data bus; DQ7/DQ6/DQ2 used for polling/toggle status feedback during operations.
CE#, OE#, WE#	Chip/Output/Write Enable	Standard JEDEC control signals; CE# gating enables low-power deselection; OE# controls output buffer.
RY/BY#	Ready/Busy Output	Active-low open-drain signal indicating internal operation completion - used for hardware flow control without polling.
RESET#	Hardware Reset	Asynchronous active-low input forcing device into read mode - critical for recovery after power brownout or watchdog timeout.
WP#/ACC	Write Protect / Acceleration	Combines hardware sector lock (WP#) and 2× faster programming (ACC) - eliminates need for software delay tuning.
VCC, VSS	Power Supply	Single 3.0 V ±0.3 V supply; internal charge pumps generate all high-voltage programming/erase potentials.

Key Features

Feature	Design Value
Simultaneous Read/Write	Zero-latency concurrent access across banks - enables real-time logging while updating application firmware.
Boot Sector Configuration	Selectable top/bottom 8/16/32/64 KB sectors - supports secure bootloader partitioning with hardware-level write protection.
Erase Suspend/Resume	Pause erase to read/program other sectors - essential for interrupt-driven systems requiring deterministic response times.
CFI Compliance	JEDEC-standard Common Flash Interface - enables OS-agnostic driver reuse across Linux, FreeRTOS, and bare-metal platforms.
Secured Silicon Region	256-byte OTP sector with factory serial number and customer lock bit - satisfies IEC 62443-3-3 asset identification requirements.

Applications

Industrial PLC Firmware Storage

Medical Device Bootloader

Use Scenario: Storing and updating ladder logic programs and I/O configuration in DIN-rail mounted programmable logic controllers.

IC Role / Device Role / Timing Role: Non-volatile code storage with in-system reprogrammability; 70 ns access supports 14 MHz backplane timing.

Use Value: Four-bank architecture allows runtime firmware validation in one bank while executing from another-eliminating PLC scan cycle interruption during updates.

Use Scenario: Holding certified bootloader and cryptographic verification keys in Class IIa medical infusion pumps.

IC Role / Device Role / Timing Role: Secure, tamper-evident boot code repository; secured silicon region stores immutable device identity.

Use Value: Hardware write protection (WP#) and factory-locked OTP prevent unauthorized modification-meeting FDA 21 CFR Part 11 audit trail requirements.

Automotive Telematics Gateway

Smart Energy Meter Firmware

Use Scenario: Hosting OTA update partitions and CAN protocol stack binaries in vehicle telematics control units.

IC Role / Device Role / Timing Role: Dual-bank operation enables A/B firmware swapping; CFI interface simplifies Linux MTD driver integration.

Use Value: Erase suspend allows CAN message processing during flash update-ensuring uninterrupted vehicle network communication.

Use Scenario: Storing metrology firmware, tariff tables, and security certificates in ANSI C12.22-compliant smart electricity meters.

IC Role / Device Role / Timing Role: High endurance (100K cycles) supports daily firmware patching; 20-year retention meets utility lifecycle mandates.

Use Value: Automatic sleep mode (200 nA) extends battery life in AMI endpoints during grid outages-critical for ANSI 12.22 emergency reporting.

Equivalent & Alternatives

The following parts are listed as comparable options for similar flash memory applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
S29JL032J60BHI320	60 ns access time (vs. 70 ns); identical pinout, bank architecture, and feature set.	Required for 16+ MHz bus systems where tighter timing margins are needed.	Select when system clock exceeds 14 MHz and setup/hold timing budgets are constrained.
S29JL064J70BHI320	64 Mb density (2× capacity); same 70 ns speed, FBGA-48 package, and simultaneous read/write capability.	Used when larger firmware images or dual-application storage (e.g., main + safety firmware) is required.	Choose when future-proofing for firmware growth or ASIL-B partitioning without changing PCB layout.

Compared with S29JL032J60BHI320, the 70 ns variant trades marginal speed for broader noise margin in electrically noisy industrial environments; versus S29JL064J70BHI320, it offers cost and power optimization where 32 Mb suffices-reducing active current by ~15% in typical read workloads.

Availability

S29JL032J70BHI320 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, medical device bootloader deployment, automotive telematics gateway updates, and smart energy meter firmware hosting requiring stable component supply across multi-year production cycles.

Supply support for S29JL032J70BHI320 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 Infineon's legacy Cypress flash memory portfolio, designed specifically for embedded systems requiring robust, in-field upgradable non-volatile storage with hardware security and real-time operational concurrency.

FAQ

Does S29JL032J70BHI320 support both 8-bit and 16-bit data bus configurations?

Yes. The device supports byte-mode (DQ7–DQ0) and word-mode (DQ15–DQ0) operation selected via the BYTE# pin. In byte mode, A0 addresses individual bytes; in word mode, A0 is ignored and A1–A20 address 16-bit words. This flexibility allows direct integration with 8-bit microcontrollers or 16-bit DSPs without glue logic.

How does the Secured Silicon Region differ from standard flash sectors?

The Secured Silicon Region is a dedicated 256-byte sector with factory-programmed electronic serial number (16 bytes) and a customer-lockable bit. Once locked, its contents become read-only and immune to standard erase commands. Unlike regular sectors, it cannot be unprotected or rewritten-providing cryptographically verifiable device identity and immutable key storage.

Can erase suspend be used during programming operations?

No. Erase suspend/resume applies only to sector or chip erase operations-not program operations. During programming, status must be monitored using DQ7 (data# polling) or RY/BY#; suspension is not supported. This distinction ensures deterministic timing for write-critical applications like real-time logging buffers.

What is the functional difference between WP# and ACC on the WP#/ACC pin?

WP# (active-low) permanently disables programming/erasing of the two outermost boot sectors regardless of software protection settings. ACC (active-high) enables accelerated programming-reducing word-program time from 12 µs to 6 µs. Both functions share the same pin but are controlled by separate voltage thresholds and timing windows per JEDEC command sequence.

S29JL032J70BHI320 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: JL-J

Package/Case:: 48-VFBGA

Packaging:: Tray

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-FBGA (8.15x6.15)

S29JL032J70BHI320 FAQ

1.How can I place an order for S29JL032J70BHI320 through Aetrix?

Please submit a Request for Quotation (RFQ) for S29JL032J70BHI320 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 S29JL032J70BHI320 reliable?

The price and inventory of S29JL032J70BHI320 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29JL032J70BHI320 is usually 5 days.

3.What payment methods are accepted for S29JL032J70BHI320?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S29JL032J70BHI320 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for S29JL032J70BHI320?

S29JL032J70BHI320 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S29JL032J70BHI320 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 S29JL032J70BHI320?

For technical support, including S29JL032J70BHI320 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29JL032J70BHI320 requirements.

6.How does Aetrix verify that S29JL032J70BHI320 is sourced from the original manufacturer or authorized distributors?

All S29JL032J70BHI320 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 S29JL032J70BHI320 meets industry standards.

7.What is the process for return or replacement of S29JL032J70BHI320?

All S29JL032J70BHI320 units undergo pre-shipment inspection (PSI). If there is an issue with S29JL032J70BHI320, 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 S29JL032J70BHI320 part is unused and in its original packaging.

Return procedure for S29JL032J70BHI320:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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