Infineon Technologies S29CD016J0MFAM012

Overview

S29CD016J0MFAM012 from Cypress Semiconductor is a 16 Mbit (512k × 32-bit) 2.6 V single-supply burst-mode Flash memory with dual boot sector architecture, simultaneous read/write operation across two independent banks, and zero-latency interleaved execution. It supports 66 MHz synchronous burst read (4-1-1-1 latency), operates from –40 °C to +125 °C, and targets automotive infotainment boot storage and firmware update partitions.

For engineers reviewing the S29CD016J0MFAM012 datasheet, S29CD016J0MFAM012 pinout, S29CD016J0MFAM012 application, or S29CD016J0MFAM012 equivalent, key selection criteria include simultaneous bank operation timing, VersatileI/O™ voltage range (1.65–3.6 V), CFI compliance, secured silicon sector lockability, and industrial/extended temperature qualification.

Technical Context

This device implements a dual-bank floating-gate Flash architecture fabricated in 110 nm process, enabling true concurrent read from one bank while programming or erasing the other-no arbitration or stall required. Each bank has independent address/data paths and dedicated control logic, with RY/BY# and IND# signals providing real-time status feedback for deterministic system scheduling.

The burst interface supports linear wrap-around sequences of 2-, 4-, or 8-double-word bursts synchronized to CLK, with programmable initial clock delay (4 or 5 cycles). Sector protection uses both persistent bits (non-volatile lock) and password-based dynamic methods, while ACC input enables high-voltage acceleration for factory programming.

Key Specifications

Pinout & Package

Package: 80-pin PQFP (Plastic Quad Flat Package), 20 × 20 mm body, 0.65 mm pitch, lead-free (Pb-free) option confirmed per ordering code suffix 'F'.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar burst-mode NOR Flash applications.

Compared with S29CL016J0MFAM012 and MX29LV160ETTI-70G, the S29CD016J0MFAM012 uniquely delivers zero-latency bank concurrency at 2.6 V-critical for automotive boot time compliance-while retaining full CFI, secured silicon, and extended temperature support absent in the MX29 variant.

Availability

S29CD016J0MFAM012 is available at Aetrix Electronics and suitable for automotive instrument clusters, ADAS domain controllers, telematics control units, and electric vehicle battery management systems requiring stable component supply across extended temperature and long product lifecycles.

Supply support for S29CD016J0MFAM012 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 fabless semiconductor company specializing in high-reliability memory, PSoC programmable systems-on-chip, and automotive-qualified interface solutions.

The S29CD-J series belongs to Cypress' automotive-grade burst-mode Flash product line, engineered specifically for zero-downtime firmware updates and fail-safe boot architectures in ASIL-B/C electronic control units.

FAQ

What is the function of the ACC pin on S29CD016J0MFAM012?

The ACC (Acceleration) pin accepts a 12 V signal to enable high-voltage programming and erase acceleration, reducing double-word programming time to 18 µs and sector erase to 1.0 s. When unused, ACC must be tied to VSS or VCC-floating is prohibited. This pin is essential for factory programming throughput but optional in field applications.

Does S29CD016J0MFAM012 support Common Flash Interface (CFI)?

Yes, it fully supports JEDEC-standard CFI (JESD68.1), exposing a standardized query table at address 0x55 for automatic driver identification, sector layout detection, and command set enumeration. This enables plug-and-play integration with U-Boot, Linux MTD, and commercial flash programmers without custom initialization code.

How does the dual boot sector configuration work in practice?

The device divides the 16 Mbit array into top and bottom boot sectors (each 16 kB), allowing independent locking and boot vector mapping. During reset, the processor reads boot code from either sector based on hardware strap or configuration register setting-enabling A/B firmware partitioning and atomic failover without external logic.

Is the RY/BY# signal active-high or active-low?

RY/BY# is an open-drain, active-low output: VOL indicates busy (erasing/programming/hardware reset), VOH indicates ready (ready for read commands or new operations). An external pull-up resistor is mandatory; typical value is 4.7 kΩ to VIO. The signal transitions within 54 ns of command completion per AC specs.