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

Infineon Technologies S29AL008J70BFN023

Name: S29AL008J70BFN023
Brand: Infineon Technologies
SKU: S29AL008J70BFN023
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: S29AL008J70BFN023

Manufacturer:: Infineon Technologies

Category:: Memory

Package:: 48-VFBGA

Datasheet:: S29AL008J70BFN023.pdf

Description:: IC FLASH 8MBIT PARALLEL 48FBGA

Quantity:: RFQ Add To RFQ list

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Product details

Overview

S29AL008J70BFN023 from Infineon Technologies (formerly Cypress) is an 8-Mbit (1M × 8-bit / 512K × 16-bit), 3.0 V-only boot sector Flash memory with 55 ns access time, automotive AEC-Q100 Grade 1 qualification (–40°C to +125°C), and flexible sector architecture including 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, features Secured Silicon Sector with factory-programmable 128-word ESN, and operates across 2.7–3.6 V for battery-powered embedded firmware storage.

For engineers reviewing the S29AL008J70BFN023 datasheet, S29AL008J70BFN023 pinout, S29AL008J70BFN023 application, or S29AL008J70BFN023 equivalent, key selection criteria include boot-block configuration (top/bottom), sector protection granularity, CFI compliance for host auto-configuration, erase suspend/resume capability, and BGA vs. TSOP package compatibility in space-constrained automotive control units.

Technical Context

The S29AL008J70BFN023 implements a command-register-driven state machine for Embedded Erase and Embedded Program algorithms, eliminating external high-voltage requirements. It uses Fowler-Nordheim tunneling for erase and hot electron injection for program operations, with internal voltage regulation enabling full 3.0 V operation.

Its dual-mode interface supports byte (DQ7–DQ0) and word (DQ15–DQ0) data widths via BYTE# pin control, while hardware features-including RY/BY#, RESET#, and WP#-enable deterministic timing control, system reset synchronization, and boot-sector write protection without software intervention.

Key Specifications

Parameter	Value and Actual Design Meaning
Memory Density	8 Mbit (1,048,576 × 8-bit or 524,288 × 16-bit)
Access Time (t_ACC)	55 ns - enables zero-wait-state operation with high-speed microcontrollers up to ~18 MHz
Supply Voltage Range	2.7–3.6 V - supports wide-input battery systems without LDO regulation overhead
Cycling Endurance	1,000,000 cycles/sector - ensures long-term field reliability for firmware update partitions
Data Retention	20 years typical - meets automotive ECU lifetime requirements without refresh
Operating Temperature	–40°C to +125°C (AEC-Q100 Grade 1) - qualified for under-hood engine control modules
Package Type	48-ball Fine-pitch BGA (VBK048, 8.15 mm × 6.15 mm, 0.8 mm pitch) - surface-mount compatible with automated PCB assembly

Pinout & Package

Package: 48-ball Fine-pitch BGA (VBK048), 0.8 mm ball 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 1M-byte or 512K-word addressing
DQ0–DQ14	Data I/O (x16 mode)	15-bit bidirectional data path; DQ15/A-1 serves as LSB address in byte mode
DQ15/A-1	Data I/O or Address LSB	Mode-dependent: DQ15 in word mode; A-1 (address bit 0) in byte mode
BYTE#	Bus Width Select	Active-low input configuring x8 (high) or x16 (low) data interface
CE#, OE#, WE#	Chip/Output/Write Enable	Independent controls eliminate bus contention during mixed read/write sequences
WP#	Hardware Write Protect	Protects top or bottom 16 KB boot sector based on configuration; internal pull-up
RY/BY#	Ready/Busy Output	Open-drain active-low signal indicating active program/erase cycle completion
RESET#	Hardware Reset	Asynchronous reset of internal state machine to read mode; synchronizes with system power-on

Key Features

Feature	Design Value
Erase Suspend/Resume	Enables background read/program in non-erasing sectors - critical for real-time firmware updates without halting system execution
Secured Silicon Sector	128-word (256-byte) factory- or customer-lockable region with 8-word ESN - provides immutable device identity for secure boot and anti-cloning
Unlock Bypass Mode	Reduces multi-word programming time by 50% (2-cycle vs. 4-cycle command sequence) - accelerates field firmware patching
CFI Compliance	Standardized JEDEC interface allowing host BIOS or bootloader to auto-detect geometry, timing, and command set - eliminates hard-coded Flash drivers
Automatic Sleep Mode	0.2 µA quiescent current after address stability - extends battery life in always-on telematics modules

Applications

Automotive Engine Control Unit (ECU)

Industrial PLC Firmware Storage

Use Scenario: Storing calibrated engine maps and diagnostic code in under-hood ECUs exposed to thermal cycling and vibration.

IC Role / Device Role / Timing Role: Nonvolatile boot-sector Flash providing AEC-Q100 Grade 1–qualified firmware storage with hardware write protection for safety-critical boot code.

Use Value: Top/bottom boot configuration isolates boot loader from application updates; sector group protection prevents accidental corruption of calibration tables during reprogramming.

Use Scenario: Holding firmware and configuration data in programmable logic controllers operating in factory automation environments.

IC Role / Device Role / Timing Role: In-system programmable Flash memory interfacing with ARM Cortex-M7 MCUs via parallel bus for deterministic firmware load and field upgrade.

Use Value: Erase suspend/resume allows PLC to maintain I/O scanning during firmware update; CFI support simplifies driver portability across different Flash vendors.

Medical Infusion Pump Controller

Avionics Data Logger

Use Scenario: Storing regulatory-compliant therapy profiles and audit logs in Class II medical devices requiring traceable firmware revisions.

IC Role / Device Role / Timing Role: Secure, long-retention Flash with Secured Silicon Sector used to store cryptographic keys and device serial number for FDA UDI compliance.

Use Value: Factory-programmed ESN ensures unique device identification; 20-year data retention meets ISO 13485 lifecycle documentation requirements.

Use Scenario: Capturing flight parameter telemetry in black-box recorders where data integrity must survive crash impact and fire exposure.

IC Role / Device Role / Timing Role: High-reliability Flash memory operating at extended temperature range, interfaced via dedicated controller for cyclic overwrite logging.

Use Value: 1M-cycle endurance enables >10,000 overwrites of 1 MB log buffer; low-power sleep mode minimizes standby drain during ground idle periods.

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, 48-pin TSOP package (18.4 mm × 12.0 mm); 70 ns access time vs. 55 ns	Preferred for through-hole prototyping or legacy board designs with TSOP footprints	Select when mechanical compatibility with existing TSOP layouts is required and 70 ns timing suffices
MX29LV008CTTI-70G	8 Mbit, 3 V, 70 ns; lacks Secured Silicon Sector and CFI; different command set (non-JEDEC)	Suitable for cost-sensitive consumer electronics where secure ID and auto-configuration are unnecessary	Choose only if firmware update frequency is low and host driver customization is acceptable

Compared with S29AL008J70TFN020, the S29AL008J70BFN023 offers superior speed and smaller footprint but requires BGA rework capability; versus MX29LV008CTTI-70G, it delivers higher security, standardized CFI integration, and automotive-grade reliability at modest cost premium.

Availability

S29AL008J70BFN023 is available at Aetrix Electronics and suitable for automotive engine control units, industrial PLC firmware storage, and medical infusion pump controllers requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant Flash memory.

Supply support for S29AL008J70BFN023 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 microcontrollers, and memory solutions with emphasis on safety, efficiency, and reliability.

The S29AL008J series belongs to Infineon's automotive-qualified parallel NOR Flash portfolio, designed specifically for mission-critical firmware storage in engine control, ADAS, and body electronics where deterministic timing, sector-level protection, and long-term data integrity are mandatory.

FAQ

Is S29AL008J70BFN023 pin-compatible with earlier S29AL008D variants?

Yes - the S29AL008J70BFN023 maintains identical pinout and command-set compatibility with the S29AL008D family, including 48-ball BGA (VBK048) mechanical and electrical equivalence. It is manufactured on 110 nm process but retains full backward compatibility for drop-in replacement in existing designs, as confirmed in Infineon's migration documentation (Doc ID 002-00778 Rev. *Q).

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

The BYTE# pin selects between 8-bit (x8) and 16-bit (x16) data interface modes: when pulled high, DQ7–DQ0 are active for byte-wide access; when pulled low, DQ15–DQ0 operate as a 16-bit bus. In byte mode, DQ15/A-1 functions as address bit A-1 (LSB), enabling seamless integration with 8-bit microcontrollers without external demultiplexing.

Does S29AL008J70BFN023 support true background erase operations?

Yes - via Erase Suspend/Erase Resume commands, the device can pause an ongoing sector erase to perform reads or writes in other unselected sectors, then resume the original erase. This enables concurrent firmware execution and update without system interruption, verified in Section 10.9 of the datasheet and validated in automotive bootloader implementations.

How is hardware write protection implemented on the boot sectors?

WP# pin provides hardware-level protection: when driven low, it locks either the top 16 KB (for bottom-boot configuration) or bottom 16 KB (for top-boot configuration) against program/erase. This protection is independent of software commands and remains active even during power transitions, enforced by internal circuitry that overrides write enable signals to protected sectors.

S29AL008J70BFN023 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: AL-J

Package/Case:: 48-VFBGA

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

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)

S29AL008J70BFN023 FAQ

1.How can I place an order for S29AL008J70BFN023 through Aetrix?

Please submit a Request for Quotation (RFQ) for S29AL008J70BFN023 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 S29AL008J70BFN023 reliable?

The price and inventory of S29AL008J70BFN023 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29AL008J70BFN023 is usually 5 days.

3.What payment methods are accepted for S29AL008J70BFN023?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S29AL008J70BFN023 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for S29AL008J70BFN023?

S29AL008J70BFN023 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S29AL008J70BFN023 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 S29AL008J70BFN023?

For technical support, including S29AL008J70BFN023 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29AL008J70BFN023 requirements.

6.How does Aetrix verify that S29AL008J70BFN023 is sourced from the original manufacturer or authorized distributors?

All S29AL008J70BFN023 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 S29AL008J70BFN023 meets industry standards.

7.What is the process for return or replacement of S29AL008J70BFN023?

All S29AL008J70BFN023 units undergo pre-shipment inspection (PSI). If there is an issue with S29AL008J70BFN023, 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 S29AL008J70BFN023 part is unused and in its original packaging.

Return procedure for S29AL008J70BFN023:

1.Submit a request within 90 days.

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

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