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

Infineon Technologies S29AL008J70TFA010

Name: S29AL008J70TFA010
Brand: Infineon Technologies
SKU: S29AL008J70TFA010
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: S29AL008J70TFA010

Manufacturer:: Infineon Technologies

Category:: Memory

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

Datasheet:: S29AL008J70TFA010.pdf

Description:: IC FLASH 8MBIT CFI 48TSOP I

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Product details

Overview

S29AL008J70TFA010 from Infineon Technologies (formerly Cypress) is an 8 Mbit, 3.0 V-only boot sector Flash memory organized as 1 M × 8-bit or 512 K × 16-bit, featuring 55 ns access time, AEC-Q100 Grade 1 (–40°C to +125°C), and flexible sector architecture with one 16 KB, two 8 KB, one 32 KB, and fifteen 64 KB sectors. It supports in-system programming via standard 3.0 V V_CC, includes Secured Silicon Sector with factory-programmable 128-word ESN, and is used in automotive engine control units for boot firmware storage.

For engineers reviewing the S29AL008J70TFA010 datasheet, S29AL008J70TFA010 pinout, S29AL008J70TFA010 application, or S29AL008J70TFA010 equivalent, key selection criteria include boot-block configuration (top/bottom), sector protection granularity, CFI compliance for host auto-configuration, erase suspend/resume capability, and RY/BY# hardware status signaling - all critical for real-time embedded firmware updates and secure boot validation.

Technical Context

The S29AL008J70TFA010 implements a command-register-driven state machine that executes embedded algorithms for program (hot electron injection) and erase (Fowler-Nordheim tunneling), eliminating need for external high-voltage supplies. Its dual-mode interface supports byte (DQ7–DQ0) and word (DQ15–DQ0) data widths via BYTE# pin, with JEDEC-compliant software commands including Unlock Bypass (2-cycle programming) and Erase Suspend/Resume.

Hardware features include dedicated WP# for boot-sector write protection, RESET# for immediate operation abort and array read recovery, and RY/BY# output synchronized to internal timing - enabling deterministic interrupt-driven firmware update workflows. The device integrates V_CC detector for automatic write inhibition during power ramp, and supports both TSOP and fine-pitch BGA packages with identical logic functionality.

Key Specifications

Parameter	Value and Actual Design Meaning
Memory Density	8 Mbit (1,048,576 × 8 or 524,288 × 16), enabling full boot code + parameter storage in single device
Access Time (t_ACC)	55 ns max - eliminates wait states for 18 MHz microcontrollers in automotive ECUs
Supply Voltage	2.7–3.6 V single supply - supports wide-range battery operation without regulators
Cycling Endurance	1,000,000 erase/program cycles per sector - validated for over-the-air firmware update lifetime
Data Retention	20 years at +125°C - meets automotive long-term reliability requirements for under-hood applications
Operating Temperature	–40°C to +125°C (AEC-Q100 Grade 1) - qualified for engine control module deployment
Power Consumption	0.2 µA standby current - enables low-power sleep modes in always-on vehicle networks

Pinout & Package

Package: 48-ball Fine-pitch BGA (VBK048), 0.8 mm pitch, 8.15 mm × 6.15 mm × 1.00 mm body height.

Pin/Terminal	Circuit Role	Design Meaning
A0–A18	Address Inputs	19-bit address bus supporting full 1 Mbyte addressing in byte mode or 512 Kword in word mode
DQ0–DQ14	Data I/O (x16)	15-bit bidirectional data path; DQ15/A-1 serves as LSB address in byte mode
DQ15/A-1	Data/Address Multiplex	Provides x16 data (DQ15) or byte-mode LSB address (A-1); eliminates need for external address latching
CE#, OE#, WE#	Chip/Output/Write Enable	Independent controls prevent bus contention during mixed read/write sequences in multitasking firmware
RY/BY#	Ready/Busy Output	Active-low open-drain signal indicating real-time completion of erase/program operations for interrupt handling
RESET#	Hardware Reset Input	Asynchronous reset to array-read state - synchronizes boot firmware fetch after system power-up or fault recovery
WP#	Write Protect Input	Hardware lock for top/bottom 16 KB boot sector - prevents accidental overwrite of bootloader during field updates

Key Features

Feature	Design Value
Secured Silicon Sector	128-word (256-byte) factory-programmable region with 8-word electronic serial number - enables unique device identification and secure firmware binding
Erase Suspend/Resume	Allows interruption of sector erase to read/program other sectors - enables true background erase for concurrent diagnostics and update tasks
CFI Compliance	Standardized query table accessible via command sequence - permits host OS or bootloader to auto-detect geometry, timing, and protection features
Unlock Bypass Mode	Reduces programming overhead from 4 to 2 write cycles per data word - cuts firmware patch time by ~50% in production line flashing
Automatic Sleep Mode	Enters 0.2 µA sleep state after address stability timeout - extends battery life in telematics modules with infrequent firmware access

Applications

Automotive Engine Control Unit (ECU)

Industrial PLC Firmware Storage

Use Scenario: Storing boot loader, calibration maps, and real-time control algorithms in diesel engine management systems requiring AEC-Q100 Grade 1 qualification.

IC Role / Device Role / Timing Role: Nonvolatile boot memory with hardware write protection on first 16 KB sector to prevent corruption during CAN-based firmware updates.

Use Value: 55 ns access enables zero-wait-state execution on 16-bit MCUs; RY/BY# pin allows deterministic interrupt-driven update verification.

Use Scenario: Holding firmware images and configuration parameters in modular programmable logic controllers deployed in factory automation environments.

IC Role / Device Role / Timing Role: Field-upgradable code storage with sector group protection to isolate runtime code from configuration data partitions.

Use Value: Erase suspend/resume permits simultaneous HMI display refresh (reading active sector) while updating firmware in background sector.

Medical Diagnostic Imaging Boot Memory

Avionics Data Logger Configuration

Use Scenario: Secure boot storage for MRI/X-ray subsystem controllers where firmware integrity must survive radiation-induced bit flips and thermal cycling.

IC Role / Device Role / Timing Role: Trusted boot source with Secured Silicon Sector containing cryptographic keys and anti-rollback counters.

Use Value: 20-year data retention at +85°C ensures calibration persistence across 10+ year equipment lifecycles without reprogramming.

Use Scenario: Storing flight-critical configuration tables and sensor calibration offsets in black box recorders operating in extended temperature ranges.

IC Role / Device Role / Timing Role: High-reliability nonvolatile memory with hardware RESET# integration into aircraft power-on self-test (POST) sequence.

Use Value: V_CC detector prevents partial writes during brown-out events - critical for maintaining airworthiness data integrity.

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
S29AL008J70TFI010	Same die, TSOP-48 package (18.4 mm × 12.0 mm), 70 ns access time vs. 55 ns	Larger footprint; less suitable for space-constrained automotive modules	Select for legacy board designs using TSOP sockets or where 70 ns timing suffices
MX29LV008CTTI-70G	Macronix part; 55 ns access, but lacks Secured Silicon Sector and CFI support	No factory-programmable ESN or auto-configuration capability	Choose only when secure identification and host software portability are not required

Compared with S29AL008J70TFA010, the TSOP variant trades compactness for socket compatibility, while the Macronix alternative sacrifices security and software abstraction for cost - making the BGA version optimal for new AEC-Q100-compliant designs demanding both physical miniaturization and firmware trust anchors.

Availability

S29AL008J70TFA010 is available at Aetrix Electronics and suitable for automotive engine control units, industrial PLCs, medical diagnostic imaging systems, and avionics data loggers requiring stable component supply across extended product lifecycles.

Supply support for S29AL008J70TFA010 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 acquired Cypress Semiconductor in 2020 and now owns the S29AL series, delivering high-reliability Flash memory for automotive, industrial, and medical applications with ISO/TS 16949-certified manufacturing.

The S29AL product line targets mission-critical embedded systems requiring AEC-Q100 qualification, secure boot capabilities, and long-term supply assurance - specifically engineered for firmware storage in harsh-environment control modules.

FAQ

Is S29AL008J70TFA010 pin-compatible with earlier S29AL008D devices?

Yes - the S29AL008J70TFA010 maintains identical pinout and command set compatibility with the S29AL008D, including TSOP and BGA variants. It is manufactured on 110 nm process versus 200 nm for the D-series, delivering lower power and improved endurance while preserving mechanical and electrical interoperability in existing PCB layouts.

What is the function of the BYTE# pin, and how does it affect data bus width?

The BYTE# pin selects between 8-bit (BYTE# = V_IL) and 16-bit (BYTE# = V_IH) data bus operation. In byte mode, DQ7–DQ0 carry data and A-1 is input on DQ15; in word mode, DQ15–DQ0 form a full 16-bit data path. This dual-mode flexibility allows reuse of the same Flash device across 8-bit and 16-bit microcontroller platforms without redesign.

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

The Secured Silicon Sector is a dedicated 128-word (256-byte) region with factory-programmable 8-word electronic serial number and independent lock control. Unlike standard sectors, it cannot be erased by standard commands - only permanently locked via dedicated command sequence - ensuring immutable device identity for secure boot and license enforcement.

Can WP# protect sectors other than the boot block?

No - WP# only hardware-protects the top or bottom 16 KB boot sector depending on configuration; other sectors require software-based sector group protection commands. This separation ensures critical boot code remains immune to software faults while allowing flexible partitioning of application firmware and configuration data in remaining sectors.

S29AL008J70TFA010 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: AL-J

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

Packaging:: Tray

Product Status:: Active

Programmable:: Not Verified

Memory Type:: Non-Volatile

Memory Format:: FLASH

Technology:: FLASH - Boot Block

Memory Size:: 8Mbit

Memory Organization:: 512K x 16, 1M x 8

Memory Interface:: CFI

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 I

S29AL008J70TFA010 FAQ

1.How can I place an order for S29AL008J70TFA010 through Aetrix?

Please submit a Request for Quotation (RFQ) for S29AL008J70TFA010 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 S29AL008J70TFA010 reliable?

The price and inventory of S29AL008J70TFA010 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29AL008J70TFA010 is usually 5 days.

3.What payment methods are accepted for S29AL008J70TFA010?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S29AL008J70TFA010 transactions.

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4.How is shipping managed for S29AL008J70TFA010?

S29AL008J70TFA010 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S29AL008J70TFA010 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 S29AL008J70TFA010?

For technical support, including S29AL008J70TFA010 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29AL008J70TFA010 requirements.

6.How does Aetrix verify that S29AL008J70TFA010 is sourced from the original manufacturer or authorized distributors?

All S29AL008J70TFA010 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 S29AL008J70TFA010 meets industry standards.

7.What is the process for return or replacement of S29AL008J70TFA010?

All S29AL008J70TFA010 units undergo pre-shipment inspection (PSI). If there is an issue with S29AL008J70TFA010, 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 S29AL008J70TFA010 part is unused and in its original packaging.

Return procedure for S29AL008J70TFA010:

1.Submit a request within 90 days.

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

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