Infineon Technologies S29CD016J0MQAM010

Overview

S29CD016J0MQAM010 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 66 MHz synchronous operation. It features x32 data bus, 110 nm floating gate technology, and supports JEDEC-standard command set and Common Flash Interface (CFI) for embedded automotive and industrial firmware storage.

For engineers reviewing the S29CD016J0MQAM010 datasheet, S29CD016J0MQAM010 pinout, S29CD016J0MQAM010 application, or S29CD016J0MQAM010 equivalent, key selection criteria include simultaneous bank operation latency, VersatileI/O™ voltage range (1.65–3.6 V), burst configuration (2/4/8 double-word wrap), sector protection methods (persistent/password/hardware WP#), and extended temperature support (–40 °C to +125 °C).

Technical Context

This device implements a dual-bank architecture enabling zero-latency concurrent read from one bank while programming or erasing the other-critical for real-time firmware updates without system stall. Its synchronous burst interface uses CLK, ADV#, and WAIT#/IND# signals to manage address loading and data validity timing, with programmable initial clock delay (4–5 cycles) and fixed 8 ns burst access time.

The memory map includes eight 2k double-word (4 kB) sectors at both top and bottom, plus thirty 16k double-word (32 kB) sectors in the main array, supporting flexible firmware partitioning. Sector protection leverages hardware WP# for outermost large-bank sectors, persistent lock bits, and password-secured silicon sector for secure boot code storage.

Key Specifications

Pinout & Package

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

Key Features

Applications

Equivalent & Alternatives

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

Compared with S29CL016J0MQAM010, this part offers identical functionality but requires different power rail design; versus MX29LV160ETTI-70G, it delivers true concurrent operation and deterministic burst timing-essential for automotive and industrial real-time systems.

Availability

S29CD016J0MQAM010 is available at Aetrix Electronics and suitable for automotive powertrain control units, industrial programmable logic controllers, medical imaging boot systems, and railway signaling controllers requiring stable component supply across extended temperature ranges and multi-decade lifecycles.

Supply support for S29CD016J0MQAM010 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 embedded solutions, specializing in non-volatile memory, PSoC programmable systems-on-chip, and automotive-grade analog and mixed-signal ICs.

The S29CD-J series belongs to Cypress' automotive-qualified burst-mode Flash product line, designed specifically for zero-downtime firmware updates in safety-critical electronic control units operating under harsh thermal and electrical conditions.

FAQ

What is the purpose of the ACC pin on S29CD016J0MQAM010?

The ACC (Acceleration) pin accepts VHH (typically 12 V) to reduce internal program and erase times by accelerating high-voltage charge pump operation. When unused, it must be tied to VSS or VCC-not left floating-to prevent unintended acceleration or latch-up. This pin directly reduces double-word programming time from 18 µs to ~10 µs and sector erase from 1.0 s to ~0.7 s under VHH bias.

Does S29CD016J0MQAM010 support JEDEC-standard commands?

Yes, S29CD016J0MQAM010 implements the JEDEC JESD21-C (JC42.4) standard command set for Flash memory, including autoselect, read, program, sector erase, chip erase, and query commands. It also fully supports Common Flash Interface (CFI) interrogation via specific address/command sequences, enabling automatic driver detection and configuration in host BIOS or bootloader environments.

How does the dual boot sector configuration work in practice?

The dual boot sector configuration provides eight 2k double-word (4 kB) sectors at both the top (highest addresses) and bottom (lowest addresses) of the memory map, each independently configurable for boot code storage. During power-on reset, the host processor can select either top or bottom boot region via hardware strap or configuration register, enabling A/B firmware partitioning and atomic image swapping without external memory management.

Can S29CD016J0MQAM010 operate in asynchronous mode only?

No-S29CD016J0MQAM010 requires CLK for synchronous burst operation but retains full asynchronous read/write capability using CE#, OE#, and WE# without clock dependency. Asynchronous access has 54 ns tACC and 20 ns tOE, while synchronous mode achieves 8 ns tBACC. Both modes coexist; the device automatically selects mode based on CLK activity and command sequence, with no configuration register needed to switch.