Infineon Technologies S29AL008J70TFA023
- Part No.:
- S29AL008J70TFA023
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 48-TFSOP (0.724", 18.40mm Width)
- Datasheet:
-
S29AL008J70TFA023.pdf
- Description:
- IC FLASH 8MBIT PARALLEL 48TSOP
- Quantity:
- Payment:

- Shipping:

Inventory:2,696
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Product details
Overview
S29AL008J70TFA023 from Infineon Technologies (formerly Cypress) is an 8-Mbit, 3.0 V-only boot sector Flash memory organized as 1 M × 8-bit or 512 K × 16-bit, featuring 55 ns access time, AEC-Q100 Grade 1 (–40°C to +125°C), and flexible sector architecture with one 16 KB, two 8 KB, one 32 KB, and fifteen 64 KB sectors. It supports in-system programming via standard 3.0 V VCC without high-voltage VPP, and integrates hardware write protection, erase suspend/resume, and CFI compliance for automotive firmware storage.
For engineers reviewing the S29AL008J70TFA023 datasheet, S29AL008J70TFA023 pinout, S29AL008J70TFA023 application, or S29AL008J70TFA023 equivalent, key selection criteria include boot-block configuration (top/bottom), sector protection granularity, RY/BY# and RESET# hardware control timing, and compatibility with JEDEC single-power-supply Flash command sets in safety-critical embedded systems.
Technical Context
The S29AL008J70TFA023 implements a command-driven state machine for Embedded Erase and Embedded Program algorithms, automatically managing Fowler-Nordheim tunneling erase and hot-electron injection programming with internal voltage regulation. It supports dual data bus widths (x8/x16) via BYTE# pin and uses DQ15/A-1 for mode-dependent addressing or data I/O.
Hardware features include dedicated RY/BY# for cycle completion detection, RESET# for immediate state-machine reset to read mode, and WP# for boot-sector lock at VIL. Sector group protection operates independently per sector, enabling selective locking/unlocking in-system or via programmer, with temporary unprotect for field code updates.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 8 Mbit (1,048,576 × 8 or 524,288 × 16) |
| 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 3.3 V rail designs |
| Operating Temperature | –40°C to +125°C - qualified to AEC-Q100 Grade 1 for under-hood automotive use |
| Erase/Program Endurance | 1,000,000 cycles per sector - ensures long-term firmware update reliability |
| Data Retention | 20 years typical - meets automotive ECU lifetime requirements |
| Standby Current | 0.2 µA - minimizes quiescent power in always-on vehicle modules |
Pinout & Package
Package: 48-ball Fine-pitch BGA (VBK048), 0.8 mm pitch, 8.15 mm × 6.15 mm × 1.00 mm body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A18 | Address Inputs | 19-bit address bus supporting full 1 Mbyte or 512 Kword addressing |
| DQ0–DQ15 | Data I/O (x16) / DQ0–DQ7 (x8) | Bi-directional data bus; DQ15 functions as A-1 LSB in byte mode |
| BYTE# | Bus Width Select | Active-low input configuring device for 8-bit or 16-bit data interface |
| CE#, OE#, WE# | Chip/Output/Write Enable | Independent controls eliminate bus contention during read/write operations |
| WP# | Hardware Write Protect | Locks boot sector (16 KB) when pulled low; internal pull-up ensures safe default |
| RY/BY# | Ready/Busy Output | Open-drain active-low signal indicating active program/erase cycle status |
| RESET# | Hardware Reset | Asynchronous reset to read mode; synchronizes with system power-on reset |
Key Features
| Feature | Design Value |
|---|---|
| Unlock Bypass Program Mode | Reduces multi-word programming time by halving required write cycles (2 vs. 4) |
| Erase Suspend/Resume | Enables real-time read/program in non-erasing sectors during background erase |
| Secured Silicon Sector | 128-word factory- or customer-programmable serial number region with permanent lock capability |
| CFI Compliance | Provides standardized register map for automatic host software reconfiguration across Flash devices |
| Automatic Sleep Mode | Enters ultra-low-power state after address stability, reducing current to 0.2 µA without external control |
Applications
| Automotive Engine Control Unit (ECU) | Industrial PLC Firmware Storage |
|---|---|
Use Scenario: Storing calibrated engine maps and diagnostic routines in under-hood ECUs exposed to thermal cycling and vibration. IC Role / Device Role / Timing Role: Boot-sector Flash providing primary firmware image with hardware write protection against corruption during ignition transients. Use Value: AEC-Q100 Grade 1 qualification and 20-year data retention ensure functional safety compliance over vehicle lifetime. | Use Scenario: Holding firmware and configuration data for programmable logic controllers operating in factory automation environments. IC Role / Device Role / Timing Role: Nonvolatile storage for field-upgradable logic programs with sector-level erase isolation to prevent runtime corruption. Use Value: Flexible sector architecture allows independent update of application code and parameter tables without full chip erase. |
| Medical Diagnostic Imaging Boot Memory | Avionics Display System Configuration |
Use Scenario: Secure boot loader storage in MRI or CT scanner mainboards requiring traceable firmware revision history. IC Role / Device Role / Timing Role: Secured Silicon Sector stores unique device ID and calibration checksums accessible only via command sequence. Use Value: Factory-lockable 256-byte region provides tamper-resistant identification for regulatory audit trails. | Use Scenario: Storing display initialization sequences and font assets in certified avionics head-up displays (HUD). IC Role / Device Role / Timing Role: High-reliability Flash with 55 ns access time ensuring deterministic boot timing for DO-254-compliant graphics subsystems. Use Value: RY/BY# and DQ7 polling support precise synchronization of firmware load with GPU initialization clocks. |
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 |
|---|---|---|---|
| S29AL008J55TFI020 | Same die, 55 ns speed grade, TSOP-48 package (vs. BGA) | Lacks fine-pitch BGA mechanical footprint; higher board-level EMI susceptibility | Select for cost-sensitive industrial designs where PCB space and thermal profile allow TSOP mounting |
| MX29LV008CTTI-70G | 8 Mbit, 3 V, 70 ns access, but no Secured Silicon Sector or CFI support | Requires external serial ID management; no factory-programmable electronic serial number | Choose when boot security and standardized host reconfiguration are not required |
Compared with S29AL008J55TFI020 and MX29LV008CTTI-70G, the S29AL008J70TFA023 uniquely combines BGA packaging for compact automotive layouts, integrated secure ID storage, and CFI-based software portability-making it optimal for safety-critical, upgradable firmware deployments where physical size and traceability are constrained.
Availability
S29AL008J70TFA023 is available at Aetrix Electronics and suitable for automotive engine control units, industrial PLCs, medical imaging systems, and avionics displays requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for S29AL008J70TFA023 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 specializing in power management, automotive MCUs, and memory solutions, with deep expertise in automotive-grade reliability and functional safety.
The S29AL008J series belongs to Infineon's legacy Cypress Flash portfolio, designed specifically for mission-critical boot code storage in automotive, industrial, and medical systems demanding AEC-Q100 qualification and long-term data integrity.
FAQ
What boot sector configuration does S29AL008J70TFA023 support?
The S29AL008J70TFA023 supports both top-boot and bottom-boot configurations, determined by factory programming. The boot sector (16 KB) is protected by the WP# pin when driven low, and its location-either first or last sector-is fixed per unit and indicated in the device marking. This allows flexibility in bootloader placement for different MCU architectures without redesigning PCB layout.
How does the Secured Silicon Sector function in practice?
The Secured Silicon Sector is a dedicated 128-word (256-byte) region containing an 8-word (16-byte) factory-assigned random Electronic Serial Number. It can be permanently locked at the factory or by the customer using a specific command sequence. Once locked, no further writes are possible-even with full unlock commands-ensuring immutable device identification for traceability and anti-counterfeiting in regulated industries.
Can S29AL008J70TFA023 operate reliably during voltage brownouts?
Yes. An internal low-VCC detector disables all write/erase operations whenever VCC drops below the safe programming threshold (~2.5 V), preventing partial writes or data corruption. This hardware protection works independently of software control and remains active across the full –40°C to +125°C range, making it suitable for automotive stop-start systems where supply voltage fluctuates rapidly.
Is CFI support mandatory for host system integration?
No, CFI is optional but highly recommended. While basic JEDEC command set compatibility allows direct implementation of read/program/erase sequences, CFI provides a standardized register map that enables host firmware to auto-detect device geometry, sector layout, and timing parameters-reducing integration effort and improving portability across different Flash vendors and densities in scalable platform designs.
S29AL008J70TFA023 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:
- 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 ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-TSOP
S29AL008J70TFA023 FAQ
1.How can I place an order for S29AL008J70TFA023 through Aetrix?
Please submit a Request for Quotation (RFQ) for S29AL008J70TFA023 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
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The price and inventory of S29AL008J70TFA023 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29AL008J70TFA023 is usually 5 days.
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6.How does Aetrix verify that S29AL008J70TFA023 is sourced from the original manufacturer or authorized distributors?
All S29AL008J70TFA023 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 S29AL008J70TFA023 meets industry standards.
7.What is the process for return or replacement of S29AL008J70TFA023?
All S29AL008J70TFA023 units undergo pre-shipment inspection (PSI). If there is an issue with S29AL008J70TFA023, 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 S29AL008J70TFA023 part is unused and in its original packaging.
Return procedure for S29AL008J70TFA023:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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