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

Infineon Technologies S29AL008J70BFN020

Name: S29AL008J70BFN020
Brand: Infineon Technologies
SKU: S29AL008J70BFN020
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: S29AL008J70BFN020

Manufacturer:: Infineon Technologies

Category:: Memory

Package:: 48-VFBGA

Datasheet:: S29AL008J70BFN020.pdf

Description:: IC FLASH 8MBIT PARALLEL 48FBGA

Quantity:: RFQ Add To RFQ list

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Product details

Overview

S29AL008J70BFN020 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, no V_PP required, and is used in automotive engine control units for secure boot firmware storage.

For engineers reviewing the S29AL008J70BFN020 datasheet, S29AL008J70BFN020 pinout, S29AL008J70BFN020 application, or S29AL008J70BFN020 equivalent, key selection criteria include boot-block configuration (top/bottom), sector protection granularity, CFI compliance for host auto-configuration, and RY/BY# / DQ7 polling for operation status monitoring in real-time embedded systems.

Technical Context

This device implements a command-register-driven state machine that executes embedded erase and program algorithms-automatically timing Fowler-Nordheim tunneling erase pulses and hot-electron injection programming while verifying cell margin. Sector-level erasure enables non-disruptive firmware updates without affecting adjacent code or configuration data.

Hardware features include dedicated RY/BY# for cycle completion signaling, RESET# for immediate state-machine reset to read mode, and WP# for hardware lock of boot sectors (16 KB) depending on top/bottom configuration. The Secured Silicon Sector provides factory- or customer-programmable 128-word/256-byte region with 8-word electronic serial number for device authentication.

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 package
Access Time (t_ACC)	55 ns max - eliminates wait states for 18 MHz+ microcontrollers in automotive ECUs
Supply Voltage Range	2.7 V to 3.6 V - supports wide battery voltage swing in automotive and industrial environments
Cycling Endurance	1,000,000 cycles per sector - sufficient for over-the-air (OTA) firmware update logging in telematics modules
Data Retention	20 years typical at 125°C - meets long-life reliability requirements for under-hood applications
Operating Temperature	–40°C to +125°C (AEC-Q100 Grade 1) - qualified for powertrain and chassis control modules
Package	48-ball Fine-pitch BGA (VBK048, 8.15 mm × 6.15 mm × 1.00 mm) - high-density mounting for space-constrained PCBs

Pinout & Package

Package: 48-ball Fine-pitch BGA (VBK048), 0.8 mm pitch, 8.15 mm × 6.15 mm footprint, 1.00 mm 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 bus; DQ15/A-1 serves dual role as MSB data or LSB address in byte mode
CE#, OE#, WE#	Chip, output, write enable controls	Independent gating eliminates bus contention during mixed read/write operations
RY/BY#	Ready/Busy output	Active-low open-drain signal indicating active erase/program cycle - enables hardware interrupt-driven status polling
RESET#	Hardware reset input	Asynchronous reset to read mode; ties directly to system reset line for deterministic boot initialization
WP#	Write protect input	Hardware lock for boot sector (16 KB); internal pull-up ensures safe default when unconnected

Key Features

Feature	Design Value
Erase Suspend/Resume	Allows temporary interruption of sector erase to read or program another sector - enables true background firmware patching
Unlock Bypass Program Mode	Reduces multi-byte programming time by 50% vs. standard command sequence - critical for fast calibration data writes
CFI (Common Flash Interface)	Provides standardized JEDEC-compliant register map for automatic host software detection and configuration - eliminates hard-coded driver dependencies
Secured Silicon Sector	256-byte factory- or field-programmable region with unique 16-byte ESN - supports cryptographic key binding and device identity attestation
Automatic Sleep Mode	Enters 0.2 µA sleep current after address stability timeout - extends battery life in always-on vehicle network gateways

Applications

Engine Control Unit (ECU)

Advanced Driver Assistance System (ADAS) Camera Module

Use Scenario: Stores boot firmware, calibration maps, and real-time diagnostic logs in gasoline/diesel powertrain controllers.

IC Role / Device Role / Timing Role: Boot-sector Flash providing deterministic startup execution and secure firmware rollback capability.

Use Value: Top/bottom boot configuration allows separation of immutable bootloader (locked) from updatable application code (unlocked), enforced via hardware WP# and sector group protection.

Use Scenario: Holds camera ISP firmware, lens correction tables, and safety-critical vision algorithm binaries in AEB/ACC modules.

IC Role / Device Role / Timing Role: Non-volatile storage with AEC-Q100 Grade 1 qualification ensuring reliable operation at under-hood temperatures.

Use Value: 55 ns access time enables zero-wait-state execution on ARM Cortex-R5F cores, reducing latency in real-time image processing pipelines.

Telematics Control Unit (TCU)

Electric Vehicle Battery Management System (BMS)

Use Scenario: Stores cellular modem firmware, OTA update staging area, and vehicle VIN/configuration data across 10+ year service life.

IC Role / Device Role / Timing Role: High-endurance Flash supporting frequent partial rewrites of connectivity stack components.

Use Value: 1M-cycle endurance per sector and 20-year data retention guarantee firmware integrity through multiple OTA generations without refresh.

Use Scenario: Retains cell balancing parameters, thermal derating profiles, and safety shutdown thresholds in high-voltage traction battery packs.

IC Role / Device Role / Timing Role: Secure, temperature-hardened non-volatile memory for ASIL-B functional safety data storage.

Use Value: Secured Silicon Sector enables binding of cryptographic keys to hardware identity, satisfying ISO 26262 traceability and anti-cloning requirements.

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
S29AL008J70TFN020	Same die, TSOP-48 package (18.4 mm × 12.0 mm) instead of BGA - higher board footprint, lower thermal resistance	Suitable for prototyping or legacy PCBs with TSOP footprints; not recommended for high-vibration automotive modules	Select when mechanical compatibility with existing TSOP layouts is required and thermal cycling is less severe
MX29LV008CTTI-70G	8 Mbit, 3 V Flash with 70 ns access, but lacks CFI support and Secured Silicon Sector; different command set	Acceptable for cost-sensitive industrial HMIs where firmware authentication and auto-configuration are not required	Choose only if CFI, sector suspend, or hardware security features are unnecessary and legacy driver reuse is prioritized

Compared with S29AL008J70TFN020, the BGA variant offers superior vibration resistance and smaller footprint for automotive deployment; versus MX29LV008CTTI-70G, it delivers verified security, standardized interface, and guaranteed endurance - essential for safety-critical firmware storage.

Availability

S29AL008J70BFN020 is available at Aetrix Electronics and suitable for automotive engine control units, ADAS camera modules, and telematics control units requiring stable component supply across extended product lifecycles.

Supply support for S29AL008J70BFN020 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, automotive MCUs, and secure memory solutions with ISO/TS 16949-certified manufacturing.

The S29AL008J belongs to Infineon's automotive-qualified NOR Flash portfolio, designed specifically for deterministic boot code execution, secure firmware updates, and long-term data retention in harsh-temperature vehicle subsystems.

FAQ

What boot configuration does S29AL008J70BFN020 support?

The device supports both top-boot and bottom-boot configurations. The boot sector location (first or last 16 KB) is determined by the BYTE# pin state during power-up and can be locked via hardware WP# or software sector protection commands. This flexibility enables reuse across multiple ECU platforms with differing bootloader placement requirements.

Does S29AL008J70BFN020 require external high-voltage programming?

No. It operates exclusively from a single 2.7–3.6 V V_CC supply. All program and erase functions use internally generated and regulated voltages - no external 12 V V_PP or 5 V sources are needed. This simplifies power design and improves system reliability in automotive environments.

How is sector protection implemented?

Sector protection is implemented via hardware (WP# pin for boot sector) and software (sector group protect/unprotect commands). Locked sectors reject all program/erase commands until explicitly unlocked. Temporary unprotect allows runtime modification of previously locked sectors without full device unlock - critical for secure firmware patching.

What interfaces does the CFI feature support?

The Common Flash Interface provides JEDEC-standardized register mapping accessible via address 0x0055/0x002A command sequences. It reports vendor ID, device geometry, sector architecture, and timing parameters - enabling generic flash drivers to auto-configure without hardcoded part-specific logic.

S29AL008J70BFN020 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: AL-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:: 8Mbit

Memory Organization:: 1M x 8, 512K 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 ~ 125°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 48-FBGA (8.15x6.15)

S29AL008J70BFN020 FAQ

1.How can I place an order for S29AL008J70BFN020 through Aetrix?

Please submit a Request for Quotation (RFQ) for S29AL008J70BFN020 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 S29AL008J70BFN020 reliable?

The price and inventory of S29AL008J70BFN020 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29AL008J70BFN020 is usually 5 days.

3.What payment methods are accepted for S29AL008J70BFN020?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S29AL008J70BFN020 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for S29AL008J70BFN020?

S29AL008J70BFN020 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S29AL008J70BFN020 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 S29AL008J70BFN020?

For technical support, including S29AL008J70BFN020 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29AL008J70BFN020 requirements.

6.How does Aetrix verify that S29AL008J70BFN020 is sourced from the original manufacturer or authorized distributors?

All S29AL008J70BFN020 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 S29AL008J70BFN020 meets industry standards.

7.What is the process for return or replacement of S29AL008J70BFN020?

All S29AL008J70BFN020 units undergo pre-shipment inspection (PSI). If there is an issue with S29AL008J70BFN020, 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 S29AL008J70BFN020 part is unused and in its original packaging.

Return procedure for S29AL008J70BFN020:

1.Submit a request within 90 days.

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

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