Infineon Technologies S29AL008J55BFIR22
- Part No.:
- S29AL008J55BFIR22
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 48-VFBGA
- Datasheet:
-
S29AL008J55BFIR22.pdf
- Description:
- IC FLASH 8MBIT PARALLEL 48FBGA
- Quantity:
- Payment:

- Shipping:

Inventory:1,567
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Product details
Overview
S29AL008J55BFIR22 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-grade AEC-Q100 Grade 1 (–40°C to +125°C) qualification, and 48-ball fine-pitch BGA (0.8 mm pitch) packaging. It supports in-system programming via standard 3.0 V VCC-no 5 V or 12 V required-and features hardware write protection, sector erase architecture, and CFI compliance for embedded firmware storage in automotive ECUs and industrial controllers.
For engineers reviewing the S29AL008J55BFIR22 datasheet, S29AL008J55BFIR22 pinout, S29AL008J55BFIR22 application, or S29AL008J55BFIR22 equivalent, key selection criteria include boot-sector configuration (top/bottom), sector protection granularity (16 KB/8 KB/32 KB/64 KB), RY/BY# and RESET# hardware signaling, and compatibility with JEDEC single-power-supply Flash command sets.
Technical Context
The S29AL008J55BFIR22 implements a flexible sector architecture comprising one 16 KB, two 8 KB, one 32 KB, and fifteen 64 KB sectors in byte mode-or corresponding word-mode equivalents-and integrates an on-chip state machine that executes embedded program/erase algorithms with automatic timing, margin verification, and Fowler-Nordheim tunneling erase.
It delivers deterministic operation across –40°C to +125°C with hardware data protection including VCC detector, WP#-controlled boot-sector lock, and RESET#-initiated abort of active cycles; its CFI-compliant interface enables runtime host reconfiguration, while Erase Suspend/Erase Resume allows concurrent read/program in non-erasing sectors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 8 Mbit (1,048,576 × 8-bit or 524,288 × 16-bit) - supports dual-width firmware image storage without external multiplexing. |
| Access Time (tACC) | 55 ns - enables zero-wait-state interfacing with high-speed microcontrollers up to ~18 MHz bus frequency. |
| Supply Voltage | 2.7 V to 3.6 V - single-supply operation eliminates need for auxiliary voltage rails in battery-powered or automotive systems. |
| Cycling Endurance | 1,000,000 erase/program cycles per sector - ensures long-term field reliability for over-the-air (OTA) update partitions. |
| Data Retention | 20 years typical - meets automotive and industrial firmware archival requirements without refresh. |
| Operating Temperature | –40°C to +125°C (AEC-Q100 Grade 1) - qualified for under-hood automotive control modules and industrial motor drives. |
| Power Consumption | 0.2 µA standby/auto-sleep current - minimizes quiescent drain in always-on vehicle subsystems. |
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 1M-byte or 512K-word addressing; A-1 alias on DQ15 in byte mode. |
| DQ0–DQ15 | Data I/O (x16) / DQ0–DQ7 (x8) | Bidirectional data bus; BYTE# pin selects 8-bit or 16-bit data width-critical for legacy 8-bit MCU interfaces. |
| CE#, OE#, WE# | Chip/Output/Write Enable | Independent control signals eliminate bus contention; enables interleaved access in multi-device memory systems. |
| RY/BY# | Ready/Busy Output | Active-low open-drain status signal indicating real-time completion of program/erase-reduces polling overhead. |
| RESET# | Hardware Reset Input | Asynchronous reset of internal state machine; ties directly to system reset rail to ensure boot firmware reload on power-up. |
| WP# | Write Protect Input | Hardware lock for top/bottom 16 KB boot sector-prevents accidental overwrite of bootloader during field updates. |
Key Features
| Feature | Design Value |
|---|---|
| Unlock Bypass Program Mode | Reduces multi-word programming time by halving required write cycles (2 vs. 4), accelerating firmware patch deployment. |
| Erase Suspend/Resume | Pauses background sector erase to allow foreground read/program in other sectors-enables true concurrent firmware operations. |
| Secured Silicon Sector | 128-word (256-byte) factory- or customer-programmable region with 8-word electronic serial number-supports device authentication and traceability. |
| CFI Compliance | Standardized register map provides host software with device geometry, timing, and command-set metadata-eliminates hard-coded Flash drivers. |
| Automatic Sleep Mode | Enters ultra-low-power state (0.2 µA) after address stability timeout-extends battery life in telematics and sensor nodes. |
Applications
| Automotive Engine Control Unit (ECU) | Industrial PLC Firmware Storage |
|---|---|
|
Use Scenario: Storing calibrated engine maps and diagnostic code in under-hood ECU modules subject to thermal cycling and vibration. IC Role / Device Role / Timing Role: Boot sector Flash providing primary firmware execution space with hardware-protected bootloader and AEC-Q100 Grade 1 thermal resilience. Use Value: WP#-locked boot sector prevents corruption during CAN-based OTA updates; 1M-cycle endurance supports 10+ years of reprogramming in field-deployed vehicles. |
Use Scenario: Holding ladder logic firmware and configuration parameters in modular programmable logic controllers operating in factory environments. IC Role / Device Role / Timing Role: Nonvolatile program memory with sector-level erase granularity enabling partial firmware upgrades without full reflash downtime. Use Value: Flexible 16 KB/64 KB sector architecture allows independent update of I/O driver modules while preserving core control logic-reducing maintenance window duration. |
| Medical Diagnostic Imaging Bootloader | Smart Grid Communication Module |
|
Use Scenario: Securing boot firmware for MRI/CT scanner subsystems requiring regulatory-compliant firmware integrity and audit trails. IC Role / Device Role / Timing Role: CFI-compliant Flash with Secured Silicon Sector storing cryptographically signed bootloader and unique device ID. Use Value: Factory-programmed 8-word ESN enables cryptographic binding to OEM signing keys; 20-year data retention satisfies FDA 510(k) archival requirements. |
Use Scenario: Hosting protocol stack firmware (DLMS/COSEM, IEC 61850) in utility-grade smart meters and concentrators deployed outdoors. IC Role / Device Role / Timing Role: Industrial-temperature Flash with RY/BY# hardware status signaling for deterministic firmware update sequencing in mesh networks. Use Value: 55 ns access time ensures sub-microsecond response to time-critical DLMS read requests; low 0.2 µA sleep current extends battery backup life during grid outages. |
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 |
|---|---|---|---|
| S29AL008J70TFIR20 | 70 ns access time, TSOP-48 package, same 8 Mbit density and sector architecture. | Larger footprint and higher board-level inductance limit use in high-speed routing or space-constrained automotive modules. | Select when PCB layout requires through-hole or legacy TSOP footprint and 70 ns timing suffices for target MCU interface. |
| MX29LV008CTTI-70G | Macronix part; 70 ns access, 3.3 V only, no CFI support, lacks Secured Silicon Sector and Erase Suspend. | Not AEC-Q100 qualified; limited to commercial temperature range (0°C to +70°C); no hardware-assisted OTA update features. | Choose only for cost-sensitive, non-automotive consumer applications where CFI, security, and suspend functionality are unnecessary. |
Compared with S29AL008J70TFIR20 and MX29LV008CTTI-70G, the S29AL008J55BFIR22 uniquely combines automotive-grade reliability, 55 ns speed, BGA miniaturization, and production-ready features like CFI, Erase Suspend, and Secured Silicon-making it the only option qualified for safety-critical, field-upgradable embedded systems.
Availability
S29AL008J55BFIR22 is available at Aetrix Electronics and suitable for automotive ECU firmware storage, industrial PLC program retention, medical imaging bootloader security, and smart grid communication module updates requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for S29AL008J55BFIR22 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 ICs, and secure microcontrollers with strong vertical integration in automotive and industrial markets.
The S29AL008J series belongs to Infineon's legacy Cypress Flash memory portfolio, designed specifically for robust, in-system programmable firmware storage in safety-critical automotive and industrial control applications requiring AEC-Q100 qualification and long-term data integrity.
FAQ
Is S29AL008J55BFIR22 pin-compatible with earlier S29AL008D variants?
Yes-S29AL008J55BFIR22 maintains identical pinout and command set compatibility with the 200 nm S29AL008D, as confirmed in the Infineon datasheet revision history. The 110 nm process improves power efficiency and thermal performance but preserves mechanical and electrical interface equivalence for drop-in replacement in existing designs.
Does this device require external high-voltage circuitry for programming?
No-S29AL008J55BFIR22 operates exclusively from a single 2.7–3.6 V VCC supply; all program and erase voltages are internally generated and regulated. No external 5 V or 12 V VPP source is needed, simplifying power design and eliminating high-voltage routing on PCBs.
How is the Secured Silicon Sector programmed and locked?
The Secured Silicon Sector is programmed using the standard Word Program command sequence and locked via the Sector Protect command. It can be factory-programmed with a unique 8-word electronic serial number and permanently locked, or left unprogrammed for customer customization during final test-both modes supported per datasheet Section 8.
What is the function of the BYTE# pin, and how does it affect data bus width?
BYTE# selects between 8-bit (DQ0–DQ7) and 16-bit (DQ0–DQ15) data interface modes. When BYTE# = VIL, the device operates in x8 mode; when BYTE# = VIH, it operates in x16 mode. In x8 mode, DQ15 functions as A-1 (LSB address), enabling compatibility with 8-bit microcontrollers without external address demultiplexing.
S29AL008J55BFIR22 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- AL-J
- Package/Case:
- 48-VFBGA
- Packaging:
- Tape & Reel (TR)
- 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:
- 55ns
- Access Time:
- 55 ns
- Voltage - Supply:
- 3V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-FBGA (8.15x6.15)
S29AL008J55BFIR22 FAQ
1.How can I place an order for S29AL008J55BFIR22 through Aetrix?
Please submit a Request for Quotation (RFQ) for S29AL008J55BFIR22 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 S29AL008J55BFIR22 reliable?
The price and inventory of S29AL008J55BFIR22 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29AL008J55BFIR22 is usually 5 days.
3.What payment methods are accepted for S29AL008J55BFIR22?
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4.How is shipping managed for S29AL008J55BFIR22?
S29AL008J55BFIR22 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S29AL008J55BFIR22 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 S29AL008J55BFIR22?
For technical support, including S29AL008J55BFIR22 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29AL008J55BFIR22 requirements.
6.How does Aetrix verify that S29AL008J55BFIR22 is sourced from the original manufacturer or authorized distributors?
All S29AL008J55BFIR22 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 S29AL008J55BFIR22 meets industry standards.
7.What is the process for return or replacement of S29AL008J55BFIR22?
All S29AL008J55BFIR22 units undergo pre-shipment inspection (PSI). If there is an issue with S29AL008J55BFIR22, 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 S29AL008J55BFIR22 part is unused and in its original packaging.
Return procedure for S29AL008J55BFIR22:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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