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

Infineon Technologies S29AL008J70TFM023

Name: S29AL008J70TFM023
Brand: Infineon Technologies
SKU: S29AL008J70TFM023
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: S29AL008J70TFM023

Manufacturer:: Infineon Technologies

Category:: Memory

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

Datasheet:: S29AL008J70TFM023.pdf

Description:: IC FLASH 8MBIT CFI 48TSOP I

Quantity:: RFQ Add To RFQ list

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Inventory:4,286

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Product details

Overview

S29AL008J70TFM023 from Infineon Technologies (formerly Cypress) is an 8 Mbit (1 M × 8-bit / 512 K × 16-bit), 3.0 V-only boot sector Flash memory with 55 ns access time, automotive-grade AEC-Q100 Grade 1 support (–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 operates across 2.7–3.6 V, supports in-system programming without high-voltage VPP, and integrates hardware write protection via WP# and RESET# pins for embedded boot code storage.

For engineers reviewing the S29AL008J70TFM023 datasheet, S29AL008J70TFM023 pinout, S29AL008J70TFM023 application, or S29AL008J70TFM023 equivalent, key selection criteria include boot-sector configuration (top/bottom), CFI compliance for host auto-detection, Erase Suspend/Resume capability for real-time firmware updates, and 1,000,000 program/erase cycles per sector with 20-year data retention.

Technical Context

The S29AL008J70TFM023 implements a command-register-driven state machine for Embedded Program and Embedded Erase algorithms, eliminating external timing control. It uses Fowler-Nordheim tunneling for erase and hot electron injection for programming, with internal voltage generation for both operations.

Its dual-mode interface supports x8 (DQ7–DQ0) and x16 (DQ15–DQ0) data widths via BYTE# pin control. Sector protection is enforced through hardware locking of individual sectors, and Secured Silicon Sector provides factory- or customer-programmable 128-word electronic serial number with lockability.

Key Specifications

Parameter	Value and Actual Design Meaning
Memory Density	8 Mbit (1,048,576 × 8-bit or 524,288 × 16-bit)
Access Time (tACC)	55 ns - enables zero-wait-state operation with high-speed microcontrollers
Supply Voltage Range	2.7 V to 3.6 V - supports battery-powered and automotive systems without level-shifting
Operating Temperature	–40 °C to +125 °C - qualified to AEC-Q100 Grade 1 for under-hood automotive use
Endurance	1,000,000 cycles/sector - ensures long-term field reliability for frequent firmware updates
Data Retention	20 years typical - guarantees nonvolatile storage integrity over product lifetime
Power Consumption (Read)	7 mA typical at 5 MHz - minimizes active power draw in always-on modules
Package	48-ball Fine-pitch BGA (VBK048, 8.15 mm × 6.15 mm, 0.8 mm pitch)

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 1 Mbyte addressing in byte mode or 512 Kword in word mode
DQ0–DQ14	Data I/O (x16)	Lower 15 bits of 16-bit data bus; DQ15/A-1 serves as MSB in word mode or LSB address in byte mode
DQ15/A-1	Multi-function Pin	Acts as DQ15 in x16 mode; functions as A-1 (LSB address) in x8 mode when BYTE# = LOW
BYTE#	Bus Width Select	LOW selects x8 mode (DQ7–DQ0 active); HIGH selects x16 mode (DQ15–DQ0 active)
CE#, OE#, WE#	Control Enables	Independent chip, output, and write enables eliminate bus contention and support standard microprocessor timing
WP#	Hardware Write Protect	Active-low input that locks first (bottom boot) or last (top boot) 16 KB sector when pulled to VIL
RESET#	Hardware Reset	Asynchronous reset of internal state machine to read mode; ties directly to system reset for boot recovery
RY/BY#	Ready/Busy Output	Open-drain status signal indicating active program/erase cycle; used for hardware flow control

Key Features

Feature	Design Value
Unlock Bypass Programming	Reduces multi-byte programming time by cutting required write cycles from four to two per data word
Erase Suspend/Resume	Allows interruption of sector erase to read/program other sectors - enables true background erase in real-time systems
CFI Compliance	Provides standardized JEDEC-compliant device ID, geometry, and command set tables for automatic host software reconfiguration
Secured Silicon Sector	128-word (256-byte) factory- or customer-lockable region with 8-word electronic serial number for secure device identification
Automatic Sleep Mode	Enters ultra-low-power state (0.2 µA) after address stability timeout - extends battery life in portable applications

Applications

Automotive Engine Control Unit (ECU)

Industrial PLC Firmware Storage

Use Scenario: Stores boot code and calibration maps in engine management systems requiring AEC-Q100 Grade 1 qualification.

IC Role / Device Role / Timing Role: Boot sector Flash providing immediate execution-from-ROM on power-up with hardware write protection during runtime.

Use Value: WP# pin locks top/bottom 16 KB boot sector against accidental overwrite; RY/BY# enables deterministic interrupt latency during firmware updates.

Use Scenario: Holds programmable logic controller firmware and configuration data in factory automation equipment operating continuously at 85 °C ambient.

IC Role / Device Role / Timing Role: Nonvolatile code storage with sector erase granularity enabling partial firmware patching without full reflash.

Use Value: Erase Suspend allows reading live I/O status from unselected sectors while erasing update partitions - no system downtime required.

Medical Diagnostic Imaging Boot Memory

Avionics Data Logger Configuration

Use Scenario: Stores certified boot loader and safety-critical initialization routines in FDA-regulated imaging devices.

IC Role / Device Role / Timing Role: Secure, high-reliability Flash with Secured Silicon Sector for traceable device identity and version control.

Use Value: Factory-programmed 8-word ESN provides immutable hardware fingerprint for regulatory audit and field unit tracking.

Use Scenario: Retains flight data recorder configuration parameters and firmware revision metadata in DO-160G-certified avionics modules.

IC Role / Device Role / Timing Role: High-temperature-stable Flash with 20-year data retention guaranteeing parameter integrity across aircraft service life.

Use Value: 1,000,000-cycle endurance supports daily configuration updates over 27+ years without wear-out risk.

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
S29AL008J70TFI020	Same die, TSOP-48 package (18.4 mm × 12.0 mm), higher thermal resistance, no BGA handling constraints	Better suited for manual assembly, prototyping, or legacy PCBs with TSOP footprints	Select when board layout lacks BGA reflow capability or requires socket-based testing
MX29LV008CTTI-70G	8 Mbit, 3 V, 70 ns access, but lacks CFI support and Secured Silicon Sector; only bottom-boot configuration	Lower-cost alternative where electronic serial number and host auto-detection are not required	Choose only if firmware update workflow does not depend on Erase Suspend or CFI-based driver portability

Compared with S29AL008J70TFI020, the S29AL008J70TFM023 offers superior thermal performance and smaller footprint in BGA, while MX29LV008CTTI-70G trades away security and flexibility for cost-making it unsuitable for AEC-Q100 or CFI-dependent systems.

Availability

S29AL008J70TFM023 is available at Aetrix Electronics and suitable for automotive engine control units, industrial PLCs, medical diagnostic boot systems, and avionics data loggers requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for S29AL008J70TFM023 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, industrial, and security solutions with vertical integration from silicon to system-level IP.

The S29AL008J belongs to Infineon's legacy Cypress Flash memory product line, designed specifically for reliable, secure, and field-upgradable boot code storage in safety-critical embedded systems demanding AEC-Q100 qualification and long-term data integrity.

FAQ

What boot sector configuration does S29AL008J70TFM023 support?

The S29AL008J70TFM023 supports both top-boot and bottom-boot configurations, selected at manufacturing. The WP# pin protects either the first 16 KB (bottom boot) or last 16 KB (top boot) sector depending on configuration. This is fixed per device and cannot be changed in-system.

Does S29AL008J70TFM023 require external high-voltage programming?

No. The S29AL008J70TFM023 performs all program and erase operations using only the 3.0 V supply (2.7–3.6 V range). Internal charge pumps generate necessary high voltages, eliminating need for 12 V VPP or 5 V auxiliary supplies - enabling true single-supply in-system programming.

How is the Secured Silicon Sector programmed and locked?

The Secured Silicon Sector (128 words) is programmed via standard command sequences and locked permanently using a dedicated lock command. It can be factory-programmed with a unique 8-word electronic serial number and locked before shipment, or left unlocked for customer programming and locking during final test or field provisioning.

Can S29AL008J70TFM023 operate in both x8 and x16 data modes on the same PCB?

Yes. The BYTE# pin controls bus width: driven LOW for x8 mode (DQ7–DQ0 active), HIGH for x16 mode (DQ15–DQ0 active). DQ15/A-1 serves as data bit 15 in x16 mode or address bit A-1 in x8 mode. This allows hardware-selectable interface compatibility without redesigning the memory bus.

S29AL008J70TFM023 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:: -

Memory Type:: Non-Volatile

Memory Format:: FLASH

Technology:: FLASH - NOR (SLC)

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 ~ 125°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 48-TSOP I

S29AL008J70TFM023 FAQ

1.How can I place an order for S29AL008J70TFM023 through Aetrix?

Please submit a Request for Quotation (RFQ) for S29AL008J70TFM023 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 S29AL008J70TFM023 reliable?

The price and inventory of S29AL008J70TFM023 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29AL008J70TFM023 is usually 5 days.

3.What payment methods are accepted for S29AL008J70TFM023?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S29AL008J70TFM023 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for S29AL008J70TFM023?

S29AL008J70TFM023 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S29AL008J70TFM023 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 S29AL008J70TFM023?

For technical support, including S29AL008J70TFM023 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29AL008J70TFM023 requirements.

6.How does Aetrix verify that S29AL008J70TFM023 is sourced from the original manufacturer or authorized distributors?

All S29AL008J70TFM023 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 S29AL008J70TFM023 meets industry standards.

7.What is the process for return or replacement of S29AL008J70TFM023?

All S29AL008J70TFM023 units undergo pre-shipment inspection (PSI). If there is an issue with S29AL008J70TFM023, 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 S29AL008J70TFM023 part is unused and in its original packaging.

Return procedure for S29AL008J70TFM023:

1.Submit a request within 90 days.

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

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