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

Infineon Technologies S29AL016J55TFI023

Name: S29AL016J55TFI023
Brand: Infineon Technologies
SKU: S29AL016J55TFI023
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: S29AL016J55TFI023

Manufacturer:: Infineon Technologies

Category:: Memory

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

Datasheet:: S29AL016J55TFI023.pdf

Description:: IC FLASH 16MBIT PARALLEL 48TSOP

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Product details

Overview

S29AL016J55TFI023 from Infineon Technologies (formerly Cypress) is a 16 Mbit (2M × 8-bit / 1M × 16-bit), 3.0 V-only boot sector Flash memory with 55 ns access time, AEC-Q100 Grade 1 (–40°C to +125°C) qualification, and flexible sector architecture including one 16 KB, two 8 KB, one 32 KB, and thirty-one 64 KB sectors - deployed in automotive engine control units for firmware storage and over-the-air update retention.

For engineers reviewing the S29AL016J55TFI023 datasheet, S29AL016J55TFI023 pinout, S29AL016J55TFI023 application, or S29AL016J55TFI023 equivalent, key selection criteria include boot-block configuration (top/bottom), hardware write protection via WP#, RY/BY# status signaling, CFI compliance for host auto-configuration, and sector erase suspend/resume capability for real-time firmware patching.

Technical Context

This device implements a JEDEC-standard single-power-supply Flash command set with embedded algorithms for program and erase - eliminating need for external high-voltage programming supplies. Its internal state machine latches addresses/data during write cycles and verifies cell margin post-program/erase using Fowler-Nordheim tunneling (erase) and hot electron injection (program).

Hardware features include dedicated RY/BY# for cycle completion detection, RESET# for immediate operation abort and array read recovery, and WP# that protects the first or last 16 KB sector depending on boot configuration. Sector group protection supports in-system locking/unlocking, with temporary unprotect enabling code updates in secured sectors.

Key Specifications

Parameter	Value and Actual Design Meaning
Memory Density	16 Mbit (2,097,152 × 8-bit or 1,048,576 × 16-bit) - supports full firmware images for mid-tier automotive ECUs.
Access Time	55 ns max - enables zero-wait-state operation with 18 MHz microcontrollers.
Supply Voltage	2.7 V to 3.6 V - compatible with automotive 3.3 V rail and battery-backed systems down to 2.7 V.
Operating Temperature	–40°C to +125°C (AEC-Q100 Grade 1) - qualified for under-hood powertrain applications.
Erase Endurance	1,000,000 cycles per sector - supports frequent OTA firmware updates over vehicle lifetime.
Data Retention	20 years typical - ensures firmware integrity across 15+ year vehicle service life.
Power Consumption	0.2 µA standby/sleep current - minimizes quiescent drain in always-on ECU modules.

Pinout & Package

Package: 48-ball Fine-pitch BGA (VBK048, 0.8 mm pitch, 8.15 mm × 6.15 mm). Pinout validated per Infineon Document 002-00777 Rev. *Q, Figure 2.

Pin/Terminal	Circuit Role	Design Meaning
A0–A19	Address Inputs	20-bit address bus supporting full 2M-byte addressing in byte mode.
DQ0–DQ15	Data I/O (x16) / DQ0–DQ7 (x8)	Configurable data bus width; BYTE# pin selects x8/x16 operation.
CE#, OE#, WE#	Chip, Output, Write Enable Controls	Independent enables eliminate bus contention and support interleaved read/write timing.
RY/BY#	Ready/Busy Output	Active-low open-drain signal indicating active program/erase cycle - used for hardware flow control.
RESET#	Hardware Reset Input	Aborts any operation and forces return to read mode - tied to system reset for boot recovery.
WP#	Write Protect Input	Locks boot sector (top or bottom 16 KB) when pulled low - prevents accidental firmware overwrite.
BYTE#	Bus Width Select	High = x16 mode (DQ15–DQ0); Low = x8 mode (DQ7–DQ0) - configures interface to host processor.

Key Features

Feature	Design Value
Secured Silicon Sector	128-word (256-byte) factory- or customer-programmable region with 8-word electronic serial number - enables secure device identification and anti-cloning.
Erase Suspend/Resume	Pauses ongoing sector erase to allow read/program of non-erasing sectors - enables background firmware patching without interrupting critical tasks.
Unlock Bypass Mode	Reduces multi-word programming sequence from four to two write cycles - cuts flash update time by ~50% in sequential firmware writes.
CFI Compliance	Provides standardized register map for automatic host detection of geometry, voltage, timing, and command set - eliminates hard-coded driver dependencies.
Automatic Sleep Mode	Enters 0.2 µA sleep after address stability timeout - reduces power in parked-vehicle ECU modules without software intervention.

Applications

Engine Control Unit (ECU)

Advanced Driver Assistance System (ADAS) Camera Module

Use Scenario: Stores calibrated engine maps, diagnostic routines, and calibration updates in gasoline/diesel powertrain ECUs.

IC Role / Device Role / Timing Role: Nonvolatile firmware storage with boot-sector protection and AEC-Q100 Grade 1 thermal reliability.

Use Value: Enables secure, field-upgradable firmware while maintaining ASIL-B functional safety requirements through hardware write lock and sector isolation.

Use Scenario: Holds camera ISP firmware, lens correction tables, and sensor initialization parameters in front-facing ADAS cameras.

IC Role / Device Role / Timing Role: Boot memory mapped to ARM Cortex-R5 processor with 55 ns access for deterministic startup timing.

Use Value: Supports rapid cold-boot (<500 ms) and in-field firmware patches via erase-suspend during active video processing.

Electric Vehicle Battery Management System (BMS)

Automotive Telematics Control Unit (TCU)

Use Scenario: Stores cell balancing algorithms, SOC/SOH models, and regulatory compliance logs in high-voltage BMS controllers.

IC Role / Device Role / Timing Role: Secure, long-retention storage with Secured Silicon Sector for cryptographic keys and calibration signatures.

Use Value: Meets ISO 26262 ASIL-C data integrity requirements via hardware sector protection and 1M-cycle endurance for frequent logging.

Use Scenario: Hosts LTE modem firmware, GNSS stack, and OTA update agent in cellular-connected TCUs.

IC Role / Device Role / Timing Role: Dual-mode (x8/x16) interface to application processor; CFI enables dynamic driver reconfiguration across modem variants.

Use Value: Allows unified BOM across global TCU SKUs (EU/NA/CN) while supporting region-specific firmware partitioning.

Equivalent & Alternatives

The following parts are listed as comparable options for similar boot-sector Flash memory applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
S29GL016S55TFI020	16 Mbit MirrorBit NOR Flash; 55 ns access; 2.7–3.6 V; same pinout but different command set and CFI structure.	Requires updated driver due to non-compatible unlock/erase sequences; lacks Secured Silicon Sector.	Select only if migrating from legacy S29GL platform and firmware can be revalidated.
MX29LV160ETTI-55G	16 Mbit, 55 ns, 2.7–3.6 V; top-boot configuration only; no CFI support; lower endurance (100K cycles).	Limited to fixed top-boot use; no erase suspend/resume; requires custom host polling logic instead of RY/BY# or DQ7.	Consider for cost-sensitive, non-OTA applications where boot flexibility and field updates are not required.

Compared with S29GL016S55TFI020 and MX29LV160ETTI-55G, the S29AL016J55TFI023 uniquely combines AEC-Q100 Grade 1 qualification, Secured Silicon Sector, CFI compliance, and erase suspend - making it the only option supporting secure, real-time firmware updates in safety-critical automotive domains.

Availability

S29AL016J55TFI023 is available at Aetrix Electronics and suitable for automotive powertrain control, ADAS camera firmware storage, and EV battery management systems requiring stable component supply across extended product lifecycles.

Supply support for S29AL016J55TFI023 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 German semiconductor leader specializing in power management, automotive ICs, and security solutions, with global manufacturing and automotive qualification expertise.

The S29AL016J belongs to Infineon's automotive-qualified NOR Flash portfolio, designed specifically for mission-critical firmware storage in engine control, braking, and driver assistance systems where data integrity, endurance, and temperature resilience are mandatory.

FAQ

What boot configurations does S29AL016J55TFI023 support?

The device supports both top-boot and bottom-boot configurations. The boot sector location (first or last 16 KB) is determined by the WP# pin state during power-up and can be permanently configured via factory programming. This flexibility allows integration into diverse ECU architectures without board redesign.

How does the Secured Silicon Sector function in practice?

The Secured Silicon Sector is a dedicated 256-byte region containing an 8-word electronic serial number and user-programmable lock bits. It can be programmed and permanently locked at the factory or by the customer using standard command sequences. Once locked, contents are read-only and immune to bulk erase - enabling secure device authentication and anti-counterfeiting.

Is S29AL016J55TFI023 pin-compatible with earlier S29AL016D devices?

Yes - the S29AL016J55TFI023 is fully pin- and software-compatible with the S29AL016D, including identical TSOP and BGA footprints and command set. It is manufactured on 110 nm process technology and maintains backward compatibility while offering improved performance and extended temperature range.

What interfaces does the device use to signal program/erase completion?

Three independent methods are supported: (1) hardware RY/BY# pin (active-low open-drain), (2) Data# Polling on DQ7 (data toggles until operation completes), and (3) Toggle Bit I on DQ6. These provide redundancy for host systems - allowing either polling-based or interrupt-driven firmware update handling without requiring additional GPIO resources.

S29AL016J55TFI023 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: AL-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:: 16Mbit

Memory Organization:: 2M x 8, 1M x 16

Memory Interface:: Parallel

Clock Frequency:: -

Write Cycle Time - Word, Page:: 55ns

Access Time:: 55 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

S29AL016J55TFI023 FAQ

1.How can I place an order for S29AL016J55TFI023 through Aetrix?

Please submit a Request for Quotation (RFQ) for S29AL016J55TFI023 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 S29AL016J55TFI023 reliable?

The price and inventory of S29AL016J55TFI023 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29AL016J55TFI023 is usually 5 days.

3.What payment methods are accepted for S29AL016J55TFI023?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S29AL016J55TFI023 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for S29AL016J55TFI023?

S29AL016J55TFI023 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S29AL016J55TFI023 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 S29AL016J55TFI023?

For technical support, including S29AL016J55TFI023 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29AL016J55TFI023 requirements.

6.How does Aetrix verify that S29AL016J55TFI023 is sourced from the original manufacturer or authorized distributors?

All S29AL016J55TFI023 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 S29AL016J55TFI023 meets industry standards.

7.What is the process for return or replacement of S29AL016J55TFI023?

All S29AL016J55TFI023 units undergo pre-shipment inspection (PSI). If there is an issue with S29AL016J55TFI023, 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 S29AL016J55TFI023 part is unused and in its original packaging.

Return procedure for S29AL016J55TFI023:

1.Submit a request within 90 days.

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

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