Infineon Technologies S29AL016J70TFM023

Overview

S29AL016J70TFM023 from Cypress Semiconductor 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 flexible sector architecture including one 16 KB, two 8 KB, one 32 KB, and thirty-one 64 KB sectors. It supports in-system programming via standard 3.0 V VCC, features hardware write protection via WP#, and is used for automotive engine control firmware storage.

For engineers reviewing the S29AL016J70TFM023 datasheet, S29AL016J70TFM023 pinout, S29AL016J70TFM023 application, or S29AL016J70TFM023 equivalent, key selection criteria include boot-block configuration (top/bottom), sector protection granularity, CFI compliance for host auto-configuration, erase suspend capability, and BGA/TSOP package compatibility with PCB layout constraints.

Technical Context

The S29AL016J70TFM023 implements a command-set-compatible JEDEC single-power-supply Flash 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.

It integrates hardware features including RY/BY# for cycle completion detection, RESET# for state-machine reset, and WP# for boot-sector lock. Sector group protection supports in-system locking/unlocking, and Erase Suspend enables background read/program operations during active erase.

Key Specifications

Pinout & Package

Package: 48-ball Fine-pitch BGA (VBK048, 0.8 mm pitch), as confirmed by Cypress document 002-00777 Rev. *Q, page 5 (Figure 2) and ordering code suffix "T" (TSOP), "F" (Fine-pitch BGA), "M" (Fortified BGA). S29AL016J70TFM023 uses the "F" variant: 48-ball Fine-pitch BGA.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S29AL016J70TFM023, the S29GL016S offers stronger data integrity via on-die ECC but lacks automotive temperature grade; the MX29LV160ETTI-70G matches mechanical fit but omits security and advanced management features essential for safety-critical firmware.

Availability

S29AL016J70TFM023 is available at Aetrix Electronics and suitable for automotive ECU firmware, industrial PLC configuration, and medical device boot memory requiring stable component supply across extended product lifecycles.

Supply support for S29AL016J70TFM023 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

Cypress Semiconductor (now part of Infineon Technologies) is a global leader in high-performance, reliable semiconductor solutions for automotive, industrial, and IoT applications, with deep expertise in nonvolatile memory design.

The S29AL016J belongs to Cypress's legacy AL-series boot sector Flash family, engineered specifically for automotive and industrial systems demanding robust in-field firmware update capability, hardware-based security, and extended temperature operation.

FAQ

Is S29AL016J70TFM023 pin-compatible with earlier S29AL016D devices?

Yes - the S29AL016J70TFM023 is fully pin- and software-compatible with the 200 nm S29AL016D, as stated in Cypress document 002-00777 Rev. *Q section "Architectural Advantages". This enables drop-in replacement in existing designs without PCB or firmware changes, while delivering improved performance and process node benefits.

What is the function of the BYTE# pin, and how does it affect system interface?

The BYTE# pin selects between 8-bit (BYTE# = VIH) and 16-bit (BYTE# = VIL) data bus width. When asserted low, it enables x16 mode using DQ0–DQ15; when high, it configures x8 mode using DQ0–DQ7, with DQ15/A-1 repurposed as address bit A-1 for byte addressing. This allows flexible integration with 8-bit or 16-bit microcontrollers.

Does S29AL016J70TFM023 support simultaneous read and erase operations?

No - it supports Erase Suspend, which pauses an ongoing erase to allow read or program operations in *other* sectors, then resumes the original erase. True concurrent read-while-erase is not supported; the suspended erase must be explicitly resumed, and no operations are permitted in the sector currently being erased.

How is the Secured Silicon Sector programmed and protected?

The Secured Silicon Sector (128 words / 256 bytes) is programmed using a dedicated command sequence defined in Section 10.4 of the datasheet. Protection is enabled via a separate lock command; once locked, the sector becomes permanently read-only. It can be factory-programmed and locked, or left unprogrammed for customer use - both modes are supported and verified in production test.