Infineon Technologies S29CL016J0JQFM030

Overview

S29CL016J0JQFM030 from Cypress Semiconductor is a 16 Mbit (512k × 32-bit), 3.3 V simultaneous read/write burst flash memory with dual boot sector architecture, fabricated in 110 nm floating gate technology. It supports zero-latency concurrent operations across two independent banks, delivers 66 MHz synchronous burst access (8 ns tBACC), and features VersatileI/O™ support (1.65–3.6 V) for mixed-voltage system interfacing - deployed in automotive engine control units requiring fail-safe firmware storage.

For engineers reviewing the S29CL016J0JQFM030 datasheet, S29CL016J0JQFM030 pinout, S29CL016J0JQFM030 application, or S29CL016J0JQFM030 equivalent, key selection criteria include dual-bank concurrency, top/bottom boot sector configuration, JEDEC-standard command set compatibility, CFI support, and extended temperature operation (–40 °C to +125 °C).

Technical Context

This device implements a dual-bank Flash architecture with physically separate address/data paths per bank, enabling true simultaneous read from one bank while programming or erasing the other. Its burst interface supports linear wrap-around modes (2/4/8 double-word), and internal state control logic handles autonomous erase/program algorithms with suspend/resume capability.

The part integrates hardware write protection (WP#) for outermost large-bank sectors, ACC-accelerated programming/erase, and RY/BY# status signaling. It uses a dedicated CLK input for synchronous timing and ADV# to latch burst addresses - distinguishing it from legacy asynchronous-only NOR flash devices.

Key Specifications

Pinout & Package

Package: 80-pin Plastic Quad Flat Package (PQFP), RoHS-compliant, 20.0 × 14.0 mm body size, 0.65 mm lead pitch.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar burst-mode flash memory applications.

Compared with S29CL016J0JQFI030, this part adds extended temperature support critical for automotive deployment; compared with S29CL032J0JQFM030, it reduces density and cost while retaining all timing, protection, and interface features needed for compact ECU designs.

Availability

S29CL016J0JQFM030 is available at Aetrix Electronics and suitable for automotive engine control units, industrial PLCs, avionics display systems, and railway signaling controllers requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for S29CL016J0JQFM030 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) designs high-reliability nonvolatile memory and microcontroller solutions for automotive, industrial, and aerospace applications, with emphasis on functional safety and long-term supply stability.

The S29CL-J series targets automotive-grade embedded systems needing concurrent firmware access, robust sector protection, and AEC-Q100-qualified flash memory - specifically engineered for ECU boot and OTA update architectures.

FAQ

Is S29CL016J0JQFM030 pin-compatible with S29CL016J0JQFI030?

Yes - both parts share identical 80-pin PQFP mechanical footprint, pin assignment, and electrical interface. The only difference is temperature rating: S29CL016J0JQFM030 is qualified for –40 °C to +125 °C, while S29CL016J0JQFI030 is rated for –40 °C to +85 °C. No PCB or schematic change is required for substitution within thermal limits.

Does this device support JEDEC-standard commands?

Yes - the S29CL016J0JQFM030 implements the JEDEC JESD21-C (JC42.4) standard command set, including unlock, program, sector erase, chip erase, and autoselect sequences. This ensures interoperability with generic flash drivers and avoids proprietary toolchain dependencies in embedded firmware development.

What is the role of the ACC pin, and how is it used?

The ACC (Acceleration) pin accepts 12 V to enable high-voltage programming/erase acceleration, reducing typical double-word programming time to 18 µs and sector erase time to 1.0 s. When unused, ACC must be tied to VSS or VCC - leaving it floating may cause undefined behavior or increased programming latency.

Can the Secured Silicon Sector be reprogrammed after factory locking?

No - once the Secured Silicon Sector is permanently locked (via factory or customer command), its contents become read-only and cannot be erased or rewritten. Unlocking requires physical device replacement. This feature is intended for immutable storage of cryptographic keys or calibration constants in safety-certified systems.