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

Infineon Technologies S29JL032J70TFI223

Name: S29JL032J70TFI223
Brand: Infineon Technologies
SKU: S29JL032J70TFI223
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: S29JL032J70TFI223

Manufacturer:: Infineon Technologies

Category:: Memory

Package:: 48-TFSOP (0.724", 18.40mm Width)

Datasheet:: S29JL032J70TFI223.pdf

Description:: IC FLASH 32MBIT PARALLEL 48TSOP

Quantity:: RFQ Add To RFQ list

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Product details

Overview

S29JL032J70TFI223 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-critical for real-time firmware updates in industrial controllers.

For engineers reviewing the S29JL032J70TFI223 datasheet, S29JL032J70TFI223 pinout, S29JL032J70TFI223 application, or S29JL032J70TFI223 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/TSOP package compatibility for space-constrained embedded designs.

Technical Context

The S29JL032J70TFI223 implements a true four-bank flash architecture with fixed sector addressing, enabling concurrent read and program/erase operations across non-overlapping banks. Its dual-mode interface supports both byte (DQ7–DQ0) and word (DQ15–DQ0) data transfers, controlled by BYTE# pin state.

Internal voltage regulation generates required high-voltage pulses for programming and erasing using only a single 3.0 V supply. Status reporting uses three independent methods: RY/BY# pin, DQ7 data polling, and DQ6/DQ2 toggle bits-ensuring robust operation under varying bus timing constraints.

Key Specifications

Parameter	Value and Actual Design Meaning
Memory Density	32 Mb (4,194,304 × 8-bit or 2,097,152 × 16-bit) - defines maximum firmware image size and partitioning flexibility for bootloader + application storage.
Access Time	70 ns (tACC) - determines minimum CPU wait-state requirement for direct memory-mapped execution in microcontroller systems.
Banks	Four independent banks - enables true background erase/program without halting host read access, essential for fail-safe OTA updates.
Power Supply	3.0 V to 3.6 V only - eliminates need for dual-voltage rails; internal charge pumps handle all high-voltage generation for flash operations.
Endurance & Retention	100,000 program/erase cycles per sector / 20 years data retention - qualifies for long-life industrial control and automotive body electronics applications.
Secured Silicon Region	256-byte factory-locked + customer-lockable OTP sector - provides tamper-resistant storage for cryptographic keys or device-unique identifiers.
Standby Current	200 nA - enables ultra-low-power operation during system sleep modes without external power gating.

Pinout & Package

Package: 48-ball Fine-pitch BGA (VBK048 footprint), RoHS-compliant, 7 mm × 9 mm body, 0.8 mm ball pitch.

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; DQ7–DQ0 active in byte mode, DQ15–DQ0 in word mode; also carry status bits (DQ2, DQ6, DQ7).
CE#, WE#, OE#	Chip/Write/Output Enable	Standard asynchronous SRAM-like control signals; CE# gating enables low-power deselection; OE# controls output driver enable.
RY/BY#	Ready/Busy Output	Active-low open-drain signal indicating ongoing program/erase; used for hardware flow control without polling overhead.
WP#/ACC	Write Protect / Acceleration Input	WP# permanently protects boot sectors; ACC enables faster programming when pulled high during command sequences.
RESET#	Hardware Reset Input	Asynchronous active-low reset that forces device into read mode and clears internal state machine-critical for recovery after power brownout.
BYTE#	Bus Width Select	High = byte mode (DQ7–DQ0 active); Low = word mode (DQ15–DQ0 active); configures data path width at power-up.

Key Features

Feature	Design Value
Erase Suspend/Resume	Allows interruption of sector erase to read/program other sectors-enables real-time response during long-duration flash maintenance.
Boot Sector Protection	Top or bottom configurable 8/16/32/64 KB boot sectors with hardware lock; prevents accidental overwrite of bootloader code in field-deployed systems.
CFI Compliance	JEDEC JESD68-compliant Common Flash Interface - enables OS-level flash abstraction (e.g., MTD in Linux) and vendor-agnostic firmware tools.
Zero-Power Sleep Mode	200 nA standby current achieved via internal clock gating and leakage suppression-eliminates need for external power switches in battery-backed systems.
Secured Silicon OTP Lock	Customer-lockable 256-byte region with permanent DQ6 indicator bit-provides immutable storage for device identity or license keys without external secure element.

Applications

Industrial PLC Firmware Storage

Automotive Body Control Module

Use Scenario: Storing and updating ladder logic programs and I/O configuration tables in programmable logic controllers with no downtime.

IC Role / Device Role / Timing Role: Nonvolatile program storage with simultaneous read/write capability ensures continuous scan cycle execution while firmware patches are applied in background bank.

Use Value: Eliminates 500+ ms system freeze during flash reprogramming-maintains real-time deterministic behavior required by IEC 61131-3 standards.

Use Scenario: Holding calibrated sensor offsets, actuator profiles, and diagnostic logs in vehicle door modules and seat controllers.

IC Role / Device Role / Timing Role: Dual-mode (byte/word) interface matches microcontroller bus width; secured silicon stores VIN-derived calibration keys resistant to cloning.

Use Value: 100K endurance supports 10+ years of over-the-air recalibration events; 200 nA sleep current extends battery life during vehicle off-state.

Medical Infusion Pump Bootloader

Smart Energy Meter Firmware

Use Scenario: Hosting certified bootloader and safety-critical application firmware in Class II medical devices requiring FDA 21 CFR Part 11 compliance.

IC Role / Device Role / Timing Role: Hardware write protection (WP#) and sector lock prevent unauthorized modification; CFI enables automated firmware validation during production test.

Use Value: Secured silicon region stores cryptographic signature of last validated firmware image-verifiable via autoselect command for audit trail integrity.

Use Scenario: Storing tariff tables, communication stack binaries, and tamper-event logs in ANSI C12.22-compliant electricity meters deployed in utility grids.

IC Role / Device Role / Timing Role: Four-bank architecture allows concurrent meter data logging (bank 1) and remote firmware update (bank 2) without interrupting AMI packet transmission.

Use Value: 70 ns access time meets sub-10 µs interrupt latency requirements for precision time-of-use billing; JEDEC compatibility ensures interoperability with legacy metering toolchains.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
S29GL032N70TFI020	45 nm process, 3 V core, 70 ns access, but lacks secured silicon region and has only two banks.	Lower cost for basic firmware storage where OTP security and background erase are not required.	Select when lifecycle cost outweighs security and concurrency needs; verify bootloader compatibility due to different CFI parameter tables.
MX29GL320EBTI-70G	32 Mb, 70 ns, 3 V, four-bank, but uses different command set (non-CFI) and requires external VPP for programming.	Suitable for legacy systems designed around Macronix-specific timing and unlock sequences.	Choose only if existing firmware already implements Macronix command protocol; avoid for new designs due to lack of JEDEC standardization.

Compared with S29GL032N70TFI020 and MX29GL320EBTI-70G, the S29JL032J70TFI223 uniquely combines JEDEC CFI compliance, secured silicon OTP, and true four-bank simultaneous operation-making it the only option supporting certified secure firmware updates in safety-critical embedded systems without external voltage support.

Availability

S29JL032J70TFI223 is available at Aetrix Electronics and suitable for industrial PLCs, automotive body control modules, medical infusion pump bootloaders, and smart energy meter firmware requiring stable component supply across multi-year production cycles.

Supply support for S29JL032J70TFI223 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, sensing, and connectivity solutions for automotive, industrial, and IoT applications.

The S29JL032J series belongs to Infineon's legacy NOR flash portfolio-designed specifically for reliable, low-power, in-system programmable code storage in safety-certified and long-lifecycle embedded systems.

FAQ

Does S29JL032J70TFI223 support both 8-bit and 16-bit data bus widths?

Yes. The device operates in byte mode (DQ7–DQ0 active) when BYTE# is high, and word mode (DQ15–DQ0 active) when BYTE# is low. Address lines A0–A20 decode fully in both modes, with A-1 multiplexed on DQ15 in word mode. This dual-width capability simplifies integration with 8-bit microcontrollers and 16-bit DSPs without external data bus logic.

What is the function of the WP#/ACC pin, and how does it affect programming?

WP# (Write Protect) disables programming and erasure of the two outermost boot sectors regardless of software protection status. ACC (Acceleration) enables faster programming when asserted high during command sequences-reducing typical word-program time from 12 µs to 6 µs. Both functions are implemented in hardware and require no firmware intervention.

How is the Secured Silicon Region accessed and locked?

The 256-byte Secured Silicon Region is accessed via dedicated CFI command sequences (Enter/Exit Secured Silicon Region). Factory locking is verified by DQ6 = 1 in autoselect mode; customer locking is performed once using the Lock Secured Silicon command-after which all writes to the region are permanently disabled and DQ6 remains 1.

Can S29JL032J70TFI223 be used in systems requiring -40°C to +85°C operation?

Yes. The S29JL032J70TFI223 is specified for industrial temperature range (-40°C to +85°C) with guaranteed performance across VCC = 3.0 V to 3.6 V. All AC/DC characteristics-including 70 ns access time, 200 nA standby current, and 100K endurance-are validated across this full range per datasheet Rev. *J Section 13.

S29JL032J70TFI223 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:: 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:: 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

S29JL032J70TFI223 FAQ

1.How can I place an order for S29JL032J70TFI223 through Aetrix?

Please submit a Request for Quotation (RFQ) for S29JL032J70TFI223 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 S29JL032J70TFI223 reliable?

The price and inventory of S29JL032J70TFI223 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29JL032J70TFI223 is usually 5 days.

3.What payment methods are accepted for S29JL032J70TFI223?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S29JL032J70TFI223 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for S29JL032J70TFI223?

S29JL032J70TFI223 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S29JL032J70TFI223 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 S29JL032J70TFI223?

For technical support, including S29JL032J70TFI223 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29JL032J70TFI223 requirements.

6.How does Aetrix verify that S29JL032J70TFI223 is sourced from the original manufacturer or authorized distributors?

All S29JL032J70TFI223 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 S29JL032J70TFI223 meets industry standards.

7.What is the process for return or replacement of S29JL032J70TFI223?

All S29JL032J70TFI223 units undergo pre-shipment inspection (PSI). If there is an issue with S29JL032J70TFI223, 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 S29JL032J70TFI223 part is unused and in its original packaging.

Return procedure for S29JL032J70TFI223:

1.Submit a request within 90 days.

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

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