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

Infineon Technologies S29AL008J70BFI020A

Name: S29AL008J70BFI020A
Brand: Infineon Technologies
SKU: S29AL008J70BFI020A
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: S29AL008J70BFI020A

Manufacturer:: Infineon Technologies

Category:: Memory

Package:: -

Datasheet:: S29AL008J70BFI020A.pdf

Description:: IC FLASH 8MBIT PARALLEL 48FBGA

Quantity:: RFQ Add To RFQ list

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Inventory:3,719

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Product details

Overview

S29AL008J70BFI020A 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 AEC-Q100 Grade 1 qualification (–40 °C to +125 °C), and 48-ball fine-pitch BGA (VBK048) package. It supports in-system programming via standard 3.0 V V_CC, features hardware write protection (WP#), Ready/Busy# signaling, and Secured Silicon Sector with factory-programmable 128-word electronic serial number - deployed in engine control units for firmware storage and secure boot code retention.

For engineers reviewing the S29AL008J70BFI020A datasheet, S29AL008J70BFI020A pinout, S29AL008J70BFI020A application, or S29AL008J70BFI020A equivalent, key selection criteria include boot-block configuration (top/bottom), sector protection granularity (16 KB to 64 KB), CFI compliance for host auto-configuration, erase suspend/resume capability, and ultra-low 0.2 µA standby current for always-on automotive modules.

Technical Context

The S29AL008J70BFI020A implements a JEDEC-standard single-power-supply Flash command set with embedded algorithms for program and erase - eliminating need for external high-voltage supplies. Its architecture includes dedicated sector group protection logic, hardware RESET# for state-machine recovery, and dual-mode data bus (x8/x16) controlled by BYTE# pin.

It integrates Fowler-Nordheim tunneling for erase and hot electron injection for programming, enabling 1,000,000 program/erase cycles per sector and 20-year data retention. The device uses internal voltage regulation for V_PP generation and includes V_CC detector circuitry to inhibit writes during power ramp-up/down.

Key Specifications

Parameter	Value and Actual Design Meaning
Memory Density	8 Mbit (1,048,576 × 8-bit or 524,288 × 16-bit) - supports full firmware image storage for mid-tier automotive MCUs.
Access Time (t_ACC)	55 ns - enables zero-wait-state operation with 18 MHz microcontrollers in safety-critical ECUs.
Supply Voltage Range	2.7 V to 3.6 V - compatible with automotive battery rail fluctuations without external regulators.
Operating Temperature	–40 °C to +125 °C (AEC-Q100 Grade 1) - qualified for under-hood engine control applications.
Power Consumption	0.2 µA standby / 7 mA read / 20 mA program-erase - meets ISO 16750-2 quiescent current requirements.
Erase Architecture	Flexible sector layout: one 16 KB, two 8 KB, one 32 KB, fifteen 64 KB sectors - allows granular firmware update partitioning.
Security Feature	Secured Silicon Sector with 128-word (256-byte) lockable region - stores immutable device ID or cryptographic keys.

Pinout & Package

Package: 48-ball fine-pitch BGA (VBK048), 8.15 mm × 6.15 mm × 1.00 mm, 0.8 mm ball pitch, RoHS-compliant.

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 mode)	15-bit bidirectional data bus; DQ15/A-1 serves as LSB address in byte mode.
DQ15/A-1	Data I/O or Address LSB	Configurable pin: DQ15 in x16 mode; A-1 (address bit 0) in x8 mode - enables pin-compatible byte/word interface.
BYTE#	Bus Width Select	Active-low input selecting 8-bit (BYTE# = L) or 16-bit (BYTE# = H) data path - determines DQ15 function.
CE#, OE#, WE#	Chip/Output/Write Enable	Independent controls eliminate bus contention; CE# gating reduces active power during idle reads.
WP#	Hardware Write Protect	Protects boot sector (first or last 16 KB) when pulled low - prevents accidental firmware overwrite during reset sequences.
RY/BY#	Ready/Busy Output	Open-drain status signal indicating active program/erase; used for hardware flow control without polling.
RESET#	Hardware Reset Input	Asynchronous reset of internal state machine - synchronizes device to system reset for reliable boot initialization.

Key Features

Feature	Design Value
Unlock Bypass Program Mode	Reduces multi-byte programming time by halving required write cycles (2 vs. 4), accelerating field firmware patching.
Erase Suspend/Resume	Allows temporary interruption of sector erase to service real-time read/write requests in non-erasing sectors - enables true background erase in safety-critical systems.
CFI (Common Flash Interface)	Provides standardized register map for automatic host detection of geometry, timing, and command set - eliminates hardcoded Flash drivers in bootloader software.
Automatic Sleep Mode	Enters 0.2 µA sleep state after address stability timeout - extends battery life in always-on telematics modules without software intervention.
Secured Silicon Sector Lock	Factory- or customer-lockable 256-byte region with unique 16-byte ESN - enables hardware-rooted device authentication in OTA update chains.

Applications

Engine Control Unit (ECU)

Advanced Driver Assistance System (ADAS) Camera Module

Use Scenario: Stores calibrated sensor fusion algorithms and real-time actuator control maps subject to ASIL-B functional safety requirements.

IC Role / Device Role / Timing Role: Boot-sector Flash providing deterministic read latency (<55 ns) and hardware write protection for critical startup firmware.

Use Value: AEC-Q100 Grade 1 rating and 1M-cycle endurance ensure reliable operation over 15-year vehicle lifetime despite thermal cycling.

Use Scenario: Holds camera ISP firmware and calibration data updated via CAN FD during vehicle service intervals.

IC Role / Device Role / Timing Role: Nonvolatile storage with Erase Suspend enabling concurrent image buffering and firmware validation during OTA updates.

Use Value: CFI compliance allows generic bootloader support across multiple camera vendors, reducing integration effort.

Electric Power Steering (EPS) Controller

Body Control Module (BCM)

Use Scenario: Retains torque assist profiles and fault history logs in vibration-prone steering column environment.

IC Role / Device Role / Timing Role: Sector-erasable Flash with WP#-protected boot block ensuring fail-safe reversion to known-good firmware after corruption.

Use Value: 0.2 µA standby current minimizes parasitic drain on 12 V battery during vehicle sleep mode.

Use Scenario: Stores lighting sequence configurations, door lock logic, and LIN gateway parameters updated at dealership.

IC Role / Device Role / Timing Role: Flexible sector architecture permits independent update of lighting vs. security firmware partitions without full chip erase.

Use Value: 16 KB top/bottom boot block supports dual-image firmware layout for atomic over-the-air updates.

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); no BGA mechanical compatibility.	Preferred for legacy PCBs with through-hole or wide-pitch footprint constraints; lacks BGA thermal performance.	Select when board rework cost exceeds thermal benefit of BGA; verify trace impedance for 55 ns timing.
MX29LV008CTTI-70G	8 Mbit, 70 ns access, 3 V, but only AEC-Q100 Grade 3 (–40 °C to +85 °C); no Secured Silicon Sector.	Suitable for cabin electronics (HVAC, infotainment) where extended temperature and hardware security are not required.	Choose only for cost-sensitive non-safety applications; cannot replace in ECU/ADAS due to missing Grade 1 and ESN features.

Compared with S29AL008J70TFI020 and MX29LV008CTTI-70G, the S29AL008J70BFI020A uniquely delivers AEC-Q100 Grade 1 operation, BGA thermal efficiency, and factory-lockable Secured Silicon Sector - making it the sole option for ASIL-B boot firmware storage requiring tamper-resistant identity binding.

Availability

S29AL008J70BFI020A is available at Aetrix Electronics and suitable for engine control units, ADAS camera modules, electric power steering controllers, and body control modules requiring stable component supply across automotive production lifecycles.

Supply support for S29AL008J70BFI020A 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 secure connectivity solutions with strong vertical integration in automotive and industrial markets.

The S29AL008J series belongs to Infineon's automotive-qualified parallel NOR Flash portfolio, engineered specifically for deterministic boot code execution, firmware update resilience, and hardware-enforced security in safety-critical vehicle subsystems.

FAQ

Is S29AL008J70BFI020A pin-compatible with earlier S29AL008D devices?

Yes - the S29AL008J70BFI020A maintains identical pinout and command set compatibility with the 200 nm S29AL008D, including TSOP-48 and VBK048 packages. It is manufactured on 110 nm process but retains full electrical and mechanical backward compatibility per Infineon's continuity documentation.

What boot configuration does S29AL008J70BFI020A support?

The device supports both top-boot and bottom-boot configurations via factory programming. The boot sector location (first or last 16 KB) is fixed at manufacture and cannot be changed in-field; ordering codes ending in "T" denote top-boot, "B" denotes bottom-boot - this part is bottom-boot configured.

Does S29AL008J70BFI020A require external high-voltage for 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 high voltages; no external 12 V V_PP or 5 V sources are needed, simplifying power design in space-constrained automotive modules.

How is the Secured Silicon Sector accessed and locked?

Access requires issuing the Enter Secured Silicon Sector command sequence (0xAA, 0x55, 0x80, 0xAA, 0x55, 0x10). Programming is performed using standard Word Program commands; locking is achieved by setting the Sector Protection Register bit - once locked, the sector is permanently read-only and immune to erase or program commands.

S29AL008J70BFI020A Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: -

Packaging:: Bulk

Product Status:: Obsolete

Programmable:: Not Verified

Memory Type:: -

Memory Format:: FLASH

Technology:: -

Memory Size:: 8Mbit

Memory Organization:: -

Memory Interface:: -

Clock Frequency:: -

Write Cycle Time - Word, Page:: -

Access Time:: -

Voltage - Supply:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

S29AL008J70BFI020A FAQ

1.How can I place an order for S29AL008J70BFI020A through Aetrix?

Please submit a Request for Quotation (RFQ) for S29AL008J70BFI020A 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 S29AL008J70BFI020A reliable?

The price and inventory of S29AL008J70BFI020A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29AL008J70BFI020A is usually 5 days.

3.What payment methods are accepted for S29AL008J70BFI020A?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S29AL008J70BFI020A transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for S29AL008J70BFI020A?

S29AL008J70BFI020A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S29AL008J70BFI020A 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 S29AL008J70BFI020A?

For technical support, including S29AL008J70BFI020A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29AL008J70BFI020A requirements.

6.How does Aetrix verify that S29AL008J70BFI020A is sourced from the original manufacturer or authorized distributors?

All S29AL008J70BFI020A 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 S29AL008J70BFI020A meets industry standards.

7.What is the process for return or replacement of S29AL008J70BFI020A?

All S29AL008J70BFI020A units undergo pre-shipment inspection (PSI). If there is an issue with S29AL008J70BFI020A, 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 S29AL008J70BFI020A part is unused and in its original packaging.

Return procedure for S29AL008J70BFI020A:

1.Submit a request within 90 days.

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

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