Infineon Technologies S29AL016J70FFM020

Overview

S29AL016J70FFM020 from Infineon Technologies (formerly Cypress) is a 16 Mbit (2M × 8-bit / 1M × 16-bit), 3.0 V-only boot sector Flash memory with 55 ns access time, AEC-Q100 Grade 1 (–40°C to +125°C) qualification, and 48-ball Fine-pitch BGA (VBK048) packaging. It supports in-system programming via standard 3.0 V VCC-no 5 V or 12 V required-and features hardware sector protection, erase suspend/resume, and CFI compliance for embedded firmware storage in automotive ECUs and industrial controllers.

For engineers reviewing the S29AL016J70FFM020 datasheet, S29AL016J70FFM020 pinout, S29AL016J70FFM020 application, or S29AL016J70FFM020 equivalent, key selection criteria include boot-block configuration (top/bottom), sector lock/unlock timing, RY/BY# and RESET# hardware signaling behavior, and compatibility with JEDEC JESD68 command sets for legacy system migration.

Technical Context

The S29AL016J70FFM020 implements a command-register-driven state machine for Embedded Erase and Embedded Program algorithms, using Fowler-Nordheim tunneling for erase and hot electron injection for program operations. Its architecture includes dedicated Secured Silicon Sector (128-word/256-byte) with factory- or customer-programmable 8-word electronic serial number.

It supports dual bus width modes (x8/x16) via BYTE# pin control, features separate CE#, WE#, and OE# enables to eliminate bus contention, and integrates on-chip voltage generators for internal 12 V programming/erase-fully decoupled from external supply rails beyond VCC (2.7–3.6 V).

Key Specifications

Pinout & Package

Package: 48-ball Fine-pitch BGA (VBK048), 0.8 mm pitch, 8.15 mm × 6.15 mm footprint, bottom-side thermal pad not electrically connected.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar boot-sector Flash memory applications.

Compared with S29GL016S70TFI010 and MX29LV160ETTI-70G, the S29AL016J70FFM020 uniquely combines AEC-Q100 Grade 1 qualification, Secured Silicon Sector, and CFI compliance-making it the only option for new automotive and medical designs requiring certified firmware integrity and automated host integration.

Availability

S29AL016J70FFM020 is available at Aetrix Electronics and suitable for automotive ECU firmware storage, industrial PLC boot code retention, and medical device algorithm archiving requiring stable component supply across extended product lifecycles.

Supply support for S29AL016J70FFM020 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 focused on power systems, automotive MCUs, and secure connectivity solutions, with deep heritage in Flash memory through its acquisition of Cypress Semiconductor.

The S29AL016J belongs to Infineon's legacy NOR Flash portfolio, designed specifically for reliable, in-system programmable firmware storage in safety-critical automotive, industrial, and medical applications where data integrity and long-term retention are mandatory.

FAQ

Is S29AL016J70FFM020 pin-compatible with earlier S29AL016D variants?

Yes-S29AL016J70FFM020 maintains identical pinout and command-set compatibility with S29AL016D, including TSOP-48 and BGA package mappings. The 110 nm process improves power efficiency and thermal performance but retains full hardware and software interoperability for drop-in replacement in existing designs.

What is the function of the BYTE# pin, and how does it affect data bus configuration?

The BYTE# pin selects between x8 and x16 data bus modes: when high, DQ15–DQ0 operate as a 16-bit data bus; when low, only DQ7–DQ0 are active for 8-bit transfers. This enables flexible integration with 8-bit microcontrollers or 16-bit DSPs without external multiplexing, and is latched on power-up or reset.

How does the Secured Silicon Sector differ from standard flash sectors in terms of programming and locking?

The Secured Silicon Sector is a dedicated 256-byte region with factory- or customer-programmable 16-byte electronic serial number. Once locked (via command sequence), it becomes permanently read-only-even after full chip erase-and cannot be reprogrammed without physical device replacement, providing immutable device identity for certification and anti-counterfeiting.

Does S29AL016J70FFM020 support simultaneous read and erase operations?

Yes-via Erase Suspend/Erase Resume commands, the device can pause an ongoing sector erase to perform reads or writes in any non-erasing sector, then resume the original erase. This enables real-time firmware updates without halting system operation, provided the suspended sector is not accessed during suspend.