Infineon Technologies S29CD016J1MFAM112

Overview

S29CD016J1MFAM112 from Cypress Semiconductor is a 16 Mbit (512k × 32-bit) 2.6 V single-supply burst-mode Flash memory with simultaneous read/write capability across two independent banks, dual boot sector architecture (top/bottom), and VersatileI/O™ support (1.65–3.6 V). It operates at up to 66 MHz synchronous burst speed with 54 ns asynchronous access time and targets automotive infotainment boot code storage and firmware update partitions.

For engineers reviewing the S29CD016J1MFAM112 datasheet, S29CD016J1MFAM112 pinout, S29CD016J1MFAM112 application, or S29CD016J1MFAM112 equivalent, key selection criteria include dual-bank zero-latency operation, 1 million program/erase cycles per sector, 20-year data retention, industrial-to-extended temperature range (–40 °C to +125 °C), and CFI-compliant command set for system-level flash management.

Technical Context

This device implements a dual-bank floating-gate Flash architecture fabricated in 110 nm process, enabling concurrent read from one bank while programming or erasing the other-no arbitration or latency penalty. Each bank uses separate address/data paths and independent control logic, supporting JEDEC-standard command sets and Common Flash Interface (CFI) for host auto-configuration.

The burst interface supports linear 2-, 4-, and 8-double-word wrap-around modes with programmable initial clock delay (4 or 5 cycles), and features hardware write protection (WP#) for outermost sectors plus software-based Advanced Sector Protection using persistent bits or password methods. Ready/Busy (RY/BY#) and IND#/WAIT# signals provide precise operation status feedback.

Key Specifications

Pinout & Package

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

Key Features

Applications

Equivalent & Alternatives

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

Compared with S29CL016J1MFAM112, this part offers lower power and tighter voltage tolerance but requires dedicated 2.6 V regulation; versus MX29LV160ETTI-70G, it delivers 2.3× faster burst throughput and field-upgrade safety via dual-bank isolation-justifying premium for automotive and industrial use.

Availability

S29CD016J1MFAM112 is available at Aetrix Electronics and suitable for automotive ECU firmware storage, infotainment boot memory, ADAS camera module code retention, and industrial PLC firmware backup requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for S29CD016J1MFAM112 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 mixed-signal ICs, and USB/CapSense solutions for automotive, industrial, and consumer markets.

The S29CD-J series was designed specifically for automotive-grade burst Flash applications demanding simultaneous read/write, extended temperature operation, and robust sector protection-targeting ECU, ADAS, and telematics platforms where firmware integrity and update safety are mission-critical.

FAQ

What is the purpose of the ACC pin on S29CD016J1MFAM112?

The ACC (Acceleration) pin accepts a 12 V signal to accelerate internal erase and program operations by boosting internal charge pump voltage. When unused, it must be tied to VSS or VCC-not left floating-to prevent unintended acceleration or latch-up. This feature reduces typical double-word programming time to 18 µs and sector erase to 1.0 s, critical for minimizing OTA update windows in automotive systems.

Does S29CD016J1MFAM112 support Common Flash Interface (CFI)?

Yes, S29CD016J1MFAM112 fully supports JEDEC-standard Common Flash Interface (CFI) as defined in Appendix 1 of its datasheet. This enables host systems to auto-detect device geometry, timing parameters, and command set via standardized query commands-eliminating hardcoded flash initialization routines and improving firmware portability across different Cypress Flash devices.

How does the dual-boot sector configuration work in practice?

The dual-boot architecture provides physically separate top and bottom sector groups (each with eight 2k double-word sectors flanking thirty 16k double-word sectors), allowing independent locking and programming. In practice, this enables A/B firmware partitioning: one bank runs active code while the other receives updates, then a controlled reset switches execution-ensuring no boot failure during field updates and meeting ISO 26262 ASIL-B fault containment requirements.

Can S29CD016J1MFAM112 operate with a 1.8 V I/O interface?

Yes, S29CD016J1MFAM112 supports 1.8 V I/O via its VersatileI/O™ feature: VIO supply can be set between 1.65 V and 3.6 V, and all input thresholds scale accordingly. When VIO = 1.8 V, DQ pins accept 1.8 V logic levels, and RY/BY#/IND#/WAIT# outputs drive to 1.8 V-compatible VOH/VOL-enabling direct connection to 1.8 V microcontrollers without level-shifting components.