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

Infineon Technologies S29AL008J70TFI020

Name: S29AL008J70TFI020
Brand: Infineon Technologies
SKU: S29AL008J70TFI020
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: S29AL008J70TFI020

Manufacturer:: Infineon Technologies

Category:: Memory

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

Datasheet:: S29AL008J70TFI020.pdf

Description:: IC FLASH 8MBIT PARALLEL 48TSOP

Quantity:: RFQ Add To RFQ list

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Product details

Overview

S29AL008J70TFI020 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 (–40 °C to +125 °C) qualification, 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 automotive control modules.

For engineers reviewing the S29AL008J70TFI020 datasheet, S29AL008J70TFI020 pinout, S29AL008J70TFI020 application, or S29AL008J70TFI020 equivalent, key selection criteria include boot-block configuration (top/bottom), sector protection granularity, CFI compliance for host auto-configuration, erase suspend/resume capability for real-time firmware updates, and RY/BY# hardware status signaling for deterministic timing control.

Technical Context

The S29AL008J70TFI020 implements a command-register-driven state machine that executes embedded algorithms for program (hot electron injection) and erase (Fowler-Nordheim tunneling) operations, eliminating external high-voltage requirements. Its dual-mode interface supports x8 (DQ7–DQ0) and x16 (DQ15–DQ0) data widths via BYTE# pin control, with JEDEC-compliant software command set and CFI descriptor table for runtime device identification.

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 erase/program completion. Sector group protection is implemented via nonvolatile lock bits, enabling permanent or temporary unprotection of any sector combination without affecting others.

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 18 MHz microcontrollers
Supply Voltage Range	2.7–3.6 V - supports wide-input battery systems without regulation overhead
Cycling Endurance	1,000,000 cycles per sector - validated for frequent firmware update partitions
Data Retention	20 years at +125 °C - meets automotive long-life storage requirements
Operating Temperature	–40 °C to +125 °C (AEC-Q100 Grade 1) - qualified for engine control unit deployment
Power Consumption (Read)	7 mA typical at 5 MHz - enables low-power diagnostic mode execution
Package Type	48-ball Fine-pitch BGA (VBK048, 8.15 mm × 6.15 mm × 1.00 mm)

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
DQ0–DQ14	Data I/O (x8/x16)	Bi-directional data lines; DQ15/A-1 serves as LSB address in byte mode
BYTE#	Bus Width Select	Active-low input selecting 8-bit (high) or 16-bit (low) data interface
CE#, OE#, WE#	Chip/Output/Write Enable	Independent controls eliminate bus contention during mixed read/write sequences
WP#	Boot Sector Write Protect	Hardware lock for top or bottom 16 KB sector depending on boot configuration
RY/BY#	Ready/Busy Output	Open-drain active-low signal indicating internal operation completion
RESET#	Hardware Reset	Forces device into read-array state, synchronizing boot firmware fetch after power-up
VCC, VSS	Power Supply	Single 3.0 V supply powers all functions; no VPP required for programming

Key Features

Feature	Design Value
Erase Suspend/Resume	Allows interruption of sector erase to service real-time read/write requests in other sectors
Unlock Bypass Programming	Reduces multi-byte programming time by 50% using two-cycle instead of four-cycle command sequence
Secured Silicon Sector	128-word factory-programmable region with 8-word random ESN for secure device identification
CFI Compliance	Enables host software to auto-detect geometry, timing, and command set without hard-coded assumptions
Automatic Sleep Mode	Enters 0.2 µA sleep current after address stability, reducing quiescent power in parked states

Applications

Automotive Engine Control Unit (ECU)

Industrial PLC Firmware Storage

Use Scenario: Storing calibrated fuel injection maps and real-time diagnostic code in under-hood environments.

IC Role / Device Role / Timing Role: Boot-sector Flash providing deterministic reset-to-execution latency with AEC-Q100 Grade 1 thermal resilience.

Use Value: WP#-protected boot sector prevents corruption during voltage transients; 55 ns access ensures no CPU wait states during critical timing loops.

Use Scenario: Holding field-upgradable ladder logic firmware and I/O configuration tables in modular automation controllers.

IC Role / Device Role / Timing Role: Nonvolatile storage with sector-level erase granularity enabling partial firmware updates without full reflash.

Use Value: Erase suspend allows background firmware validation while maintaining live I/O control; CFI simplifies firmware loader portability across product variants.

Medical Infusion Pump Controller

Avionics Display Boot Memory

Use Scenario: Storing safety-critical dosing algorithms and calibration constants requiring 20-year data retention and tamper resistance.

IC Role / Device Role / Timing Role: Secure boot memory with Secured Silicon Sector holding cryptographic keys and device identity.

Use Value: Factory-programmed 128-word ESN enables unique device binding; 1M cycle endurance supports lifetime recalibration events.

Use Scenario: Loading certified display initialization firmware during aircraft power-up sequences with strict timing budgets.

IC Role / Device Role / Timing Role: High-reliability boot Flash with RESET#-synchronized recovery ensuring deterministic boot vector fetch.

Use Value: Hardware reset pin guarantees known state after brown-out; 55 ns t_ACC meets DO-254 startup timing constraints.

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 → S29AL008J70TFI010	Same die, 70 ns access time (vs. 55 ns); identical sector map and command set	Lower-speed industrial control where 18 MHz CPU timing margin permits longer t_ACC	Select for cost-sensitive designs not requiring zero-wait-state operation
S29AL008J70TFI020 → MX29LV008CTTI-70G	Macronix part; 70 ns access, 3.0 V only, but lacks Secured Silicon Sector and CFI compliance	Non-secure consumer electronics where ESN and auto-configuration are unnecessary	Choose when security features and host abstraction layer are not required

Compared with S29AL008J70TFI010, the 55 ns variant delivers tighter timing margins for high-frequency microcontrollers; versus MX29LV008CTTI-70G, it adds factory-secured identity and CFI-based firmware loader flexibility at higher cost and complexity.

Availability

S29AL008J70TFI020 is available at Aetrix Electronics and suitable for automotive engine control units, industrial programmable logic controllers, medical infusion pump controllers, and avionics display systems requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualification.

Supply support for S29AL008J70TFI020 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 mission-critical embedded boot code storage in harsh-environment applications demanding high reliability, sector-level security, and deterministic timing behavior.

FAQ

What boot configuration does S29AL008J70TFI020 support?

The S29AL008J70TFI020 supports both top-boot and bottom-boot configurations, determined by the WP# pin state during power-up. When WP# is held low, the first 16 KB sector (addresses 0x000000–0x003FFF) is protected; when high, the last 16 KB sector (0xFFC000–0xFFFFFF) is protected. This flexibility enables compatibility with diverse bootloader architectures without hardware redesign.

Does S29AL008J70TFI020 require external high-voltage programming?

No. The S29AL008J70TFI020 performs all program and erase operations using only the standard 3.0 V V_CC supply (2.7–3.6 V range). Internal charge pumps generate necessary high voltages for Fowler-Nordheim tunneling and hot electron injection, eliminating need for external VPP or 5 V supplies-critical for simplified power design in battery-operated systems.

How is the Secured Silicon Sector programmed and locked?

The Secured Silicon Sector (128 words / 256 bytes) is programmed via a specific command sequence entering secured mode, then writing data to addresses 0x000000–0x0000FF. Locking is performed using the Sector Protect command with address 0x000000; once locked, the sector becomes permanently read-only unless unlocked via factory-specific procedure. The 8-word ESN is pre-programmed and randomized at wafer test.

Can S29AL008J70TFI020 operate in both x8 and x16 data modes?

Yes. The BYTE# pin selects bus width: when pulled high, the device operates in x8 mode with data on DQ7–DQ0; when pulled low, it operates in x16 mode with data on DQ15–DQ0. DQ15/A-1 serves as the least-significant address bit in x8 mode, enabling seamless integration with 8-bit or 16-bit microcontroller buses without external multiplexing.

S29AL008J70TFI020 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:: 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 ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 48-TSOP

S29AL008J70TFI020 FAQ

1.How can I place an order for S29AL008J70TFI020 through Aetrix?

Please submit a Request for Quotation (RFQ) for S29AL008J70TFI020 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 S29AL008J70TFI020 reliable?

The price and inventory of S29AL008J70TFI020 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29AL008J70TFI020 is usually 5 days.

3.What payment methods are accepted for S29AL008J70TFI020?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S29AL008J70TFI020 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for S29AL008J70TFI020?

S29AL008J70TFI020 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S29AL008J70TFI020 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 S29AL008J70TFI020?

For technical support, including S29AL008J70TFI020 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29AL008J70TFI020 requirements.

6.How does Aetrix verify that S29AL008J70TFI020 is sourced from the original manufacturer or authorized distributors?

All S29AL008J70TFI020 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 S29AL008J70TFI020 meets industry standards.

7.What is the process for return or replacement of S29AL008J70TFI020?

All S29AL008J70TFI020 units undergo pre-shipment inspection (PSI). If there is an issue with S29AL008J70TFI020, 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 S29AL008J70TFI020 part is unused and in its original packaging.

Return procedure for S29AL008J70TFI020:

1.Submit a request within 90 days.

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

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