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Infineon Technologies S29AS008J70TFI043
- Part No.:
- S29AS008J70TFI043
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 48-TFSOP (0.724", 18.40mm Width)
- Datasheet:
-
S29AS008J70TFI043.pdf
- Description:
- IC FLASH 8MBIT PARALLEL 48TSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,005
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Product details
Overview
S29AS008J70TFI043 from Infineon Technologies (formerly Cypress) is an 8 Mbit, 1.8 V-only boot sector Flash memory organized as 1M × 8-bit or 512K × 16-bit with top/bottom configurable boot blocks. It delivers 70 ns access time, operates across –40°C to +85°C, supports CFI-compliant host configuration, and features hardware write protection via WP# and sector group locking - deployed in industrial embedded controllers for firmware storage and in-system updates.
For engineers reviewing the S29AS008J70TFI043 datasheet, S29AS008J70TFI043 pinout, S29AS008J70TFI043 application, or S29AS008J70TFI043 equivalent, key selection criteria include boot sector architecture flexibility, 1.65–1.95 V single-supply operation, erase suspend/resume capability, Secured Silicon Sector with factory-programmable ESN, and JEDEC software compatibility for legacy system integration.
Technical Context
This device implements a command-driven state machine architecture with embedded program/erase algorithms that auto-timing pulse widths and verify cell margin. It uses 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.
Hardware features include RY/BY# for cycle completion signaling, RESET# for immediate state-machine reset to read mode, and WP# to protect outermost boot sectors regardless of software lock status. The Secured Silicon Sector provides 256-byte user-accessible space with factory- or customer-lockable 16-byte electronic serial number.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 8 Mbit (1,048,576 × 8-bit or 524,288 × 16-bit) |
| Supply Voltage | 1.65–1.95 V - enables direct integration into 1.8 V logic domains without level shifting |
| Access Time | 70 ns - supports zero-wait-state operation with high-speed microcontrollers |
| Operating Temperature | –40°C to +85°C - qualified for industrial-grade embedded systems |
| Program Time | 6 µs typical - reduces firmware update latency during field reprogramming |
| Erase Endurance | 1,000,000 cycles per sector - ensures long-term reliability in frequent OTA update scenarios |
| Data Retention | 20 years typical - meets lifetime requirements for unattended industrial equipment |
Pinout & Package
Available in 48-pin TSOP (Type I) and 48-ball FBGA (VBK048, 8.15 mm × 6.15 mm) packages. Pin functions are identical across both packages, with NC pins reserved for future use or package routing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A18 | Address Inputs | 19-bit address bus supporting full 1M-byte or 512K-word addressing |
| DQ0–DQ14 | Data I/O (x8/x16) | Bi-directional data bus; DQ15/A-1 serves as LSB address in byte mode |
| CE#, OE#, WE# | Chip/Output/Write Enable | Independent controls eliminate bus contention during mixed read/write operations |
| RY/BY# | Ready/Busy Output | Active-low open-drain signal indicating active program/erase cycle |
| RESET# | Hardware Reset Input | Forces device into read-array mode; ties directly to system reset for boot recovery |
| WP# | Write Protect Input | Hardware lock for outermost boot sectors - overrides software sector protection |
| BYTE# | Bus Width Select | Configures x8 (BYTE# = LOW) or x16 (BYTE# = HIGH) data interface |
Key Features
| Feature | Design Value |
|---|---|
| Flexible Boot Sector Architecture | Eight 8 KB + fifteen 64 KB sectors (byte mode); supports top or bottom boot block configuration for bootloader partitioning |
| Erase Suspend/Resume | Enables background read/program in non-erasing sectors - critical for real-time firmware patching without halting system execution |
| Secured Silicon Sector | 256-byte protected region with 16-byte factory-programmable ESN - used for device authentication and secure identity binding |
| Unlock Bypass Mode | Reduces multi-word programming overhead from 4 to 2 write cycles - cuts total flash update time by ~50% in sequential writes |
| CFI Compliance | Standardized query table allows automatic host detection of geometry, timing, and command set - eliminates hard-coded driver dependencies |
Applications
| Industrial PLC Firmware Storage | Automotive Body Control Module (BCM) |
|---|---|
|
Use Scenario: Storing and updating firmware in programmable logic controllers operating in harsh factory environments. IC Role / Device Role / Timing Role: Non-volatile boot code and application image storage with in-system reprogrammability. Use Value: Sector group protection prevents accidental overwrite of bootloader during field updates; 85°C rating ensures reliability near motor drives. |
Use Scenario: Holding calibrated sensor parameters and control logic in automotive BCMs requiring ASIL-B compatible storage. IC Role / Device Role / Timing Role: Secure, temperature-stable configuration memory with hardware write protection for safety-critical settings. Use Value: WP# pin safeguards boot sectors from voltage glitch-induced corruption; Secured Silicon Sector stores unique vehicle ID. |
| Medical Diagnostic Equipment UI | Smart Energy Meter Firmware |
|
Use Scenario: Hosting GUI assets and regulatory-compliant firmware in portable diagnostic devices with battery backup. IC Role / Device Role / Timing Role: Low-power Flash memory supporting fast boot and firmware validation at power-on. Use Value: 15 µA automatic sleep current extends battery life; 70 ns access enables responsive UI rendering on ARM Cortex-M7. |
Use Scenario: Storing tariff tables, communication stack, and encryption keys in utility-grade smart meters deployed outdoors. IC Role / Device Role / Timing Role: Long-life, tamper-resistant firmware and calibration data repository with field-upgrade capability. Use Value: 20-year data retention meets ANSI C12.22 compliance; erase suspend allows meter firmware updates without interrupting metering. |
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 |
|---|---|---|---|
| S29GL032N90TFI010 | 32 Mbit density, 90 ns access, 3.0 V supply - larger capacity but incompatible voltage domain | Requires external level-shifting for 1.8 V systems; suited for newer designs with higher firmware footprint | Select only if migrating to 3.0 V platform and needing >8 Mbit capacity; not drop-in compatible |
| MX29LV008CTTI-70G | 8 Mbit, 70 ns, 3.0 V supply - same density/speed but different voltage and JEDEC command set | Lacks CFI support and Secured Silicon Sector; no hardware WP# for boot sectors | Use only in legacy 3.0 V systems where CFI and secure ID are not required |
Compared with S29AS008J70TFI043, the S29GL032N90TFI010 offers greater density but mandates 3.0 V infrastructure changes, while the MX29LV008CTTI-70G sacrifices security and standardization for cost in mature 3.0 V designs - making the S29AS008J70TFI043 optimal for new 1.8 V industrial firmware storage requiring CFI, boot flexibility, and hardware-secured identity.
Availability
S29AS008J70TFI043 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive body control modules, and medical diagnostic equipment requiring stable component supply and long-term lifecycle support.
Supply support for S29AS008J70TFI043 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 MCUs, and memory solutions with emphasis on industrial and automotive reliability.
The S29AS008J belongs to Infineon's legacy Cypress Flash portfolio, designed specifically for robust, low-voltage firmware storage in resource-constrained embedded systems requiring secure boot, field upgradability, and extended temperature operation.
FAQ
Is S29AS008J70TFI043 pin-compatible with earlier S29AS008J variants?
Yes - the "70TFI043" suffix denotes a specific 48-pin TSOP packaging variant with 70 ns speed grade and industrial temperature range (–40°C to +85°C). All S29AS008J parts share identical pinout, command set, and electrical interface across TSOP and FBGA packages, ensuring mechanical and functional interchangeability within the same speed/temperature grade.
Does this device require external high-voltage programming supplies?
No - the S29AS008J70TFI043 performs all program and erase operations using only the 1.8 V VCC supply. Internally generated and regulated voltages handle Fowler-Nordheim tunneling and hot electron injection, eliminating need for 5 V or 12 V VPP sources and simplifying system power design.
How is the Secured Silicon Sector accessed and locked?
The Secured Silicon Sector is accessed via a documented command sequence (Enter Secured Silicon Sector command), then read/written like standard memory. Locking is performed using the Program Security Register command; once locked, the sector becomes permanently read-only unless unlocked via factory-specific procedure - supported in both factory-locked and customer-lockable configurations per datasheet Section 8.
Can Erase Suspend be used during chip-erase operations?
No - Erase Suspend is supported only for sector-erase operations, not chip-erase. During sector erase, issuing the Erase Suspend command halts the operation, allowing reads or writes to other non-erasing sectors; chip-erase must complete uninterrupted. This limitation is defined in the command definitions section (Section 10.7) of the official datasheet.
S29AS008J70TFI043 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- AS-J
- Package/Case:
- 48-TFSOP (0.724", 18.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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:
- 1.65V ~ 1.95V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-TSOP
S29AS008J70TFI043 FAQ
1.How can I place an order for S29AS008J70TFI043 through Aetrix?
Please submit a Request for Quotation (RFQ) for S29AS008J70TFI043 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 S29AS008J70TFI043 reliable?
The price and inventory of S29AS008J70TFI043 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29AS008J70TFI043 is usually 5 days.
3.What payment methods are accepted for S29AS008J70TFI043?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S29AS008J70TFI043 transactions.
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4.How is shipping managed for S29AS008J70TFI043?
S29AS008J70TFI043 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S29AS008J70TFI043 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 S29AS008J70TFI043?
For technical support, including S29AS008J70TFI043 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29AS008J70TFI043 requirements.
6.How does Aetrix verify that S29AS008J70TFI043 is sourced from the original manufacturer or authorized distributors?
All S29AS008J70TFI043 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 S29AS008J70TFI043 meets industry standards.
7.What is the process for return or replacement of S29AS008J70TFI043?
All S29AS008J70TFI043 units undergo pre-shipment inspection (PSI). If there is an issue with S29AS008J70TFI043, 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 S29AS008J70TFI043 part is unused and in its original packaging.
Return procedure for S29AS008J70TFI043:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
S29AS008J70TFI043 Tags
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M24C02-WMN6TP
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AT24C02C-XHM-T
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AT21CS01-STUM10-T
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M24C02-FMC6TG
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AT24C04C-SSHM-T
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