Infineon Technologies FM24V01-G

Overview

FM24V01-G from Cypress Semiconductor is a 128-Kbit (16 K × 8) serial I²C ferroelectric RAM (F-RAM), functioning as nonvolatile memory with RAM-like write performance, 10¹⁴ read/write endurance, 151-year data retention, and operation from 2.0 V to 3.6 V in industrial temperature range (–40 °C to +85 °C). It serves as a hardware-compatible replacement for I²C EEPROM in real-time data logging and industrial control systems.

For engineers reviewing the FM24V01-G datasheet, FM24V01-G pinout, FM24V01-G application, or FM24V01-G equivalent, key selection criteria include NoDelay™ write capability, I²C bus speed support up to 3.4 MHz, WP-controlled write protection, device ID identification, and SOIC-8 package compatibility with legacy EEPROM footprints.

Technical Context

The FM24V01-G implements a ferroelectric memory array organized as 16,384 × 8 bits, accessed via standard I²C protocol with 7-bit slave address (1010b + A2:A0) and R/W bit. It supports legacy 100 kHz/400 kHz modes and high-speed mode (3.4 MHz) triggered by master code 00001XXXb.

Write operations complete at bus speed with zero latency-no polling required-and internal address auto-increment enables sequential reads/writes across full memory space. The device uses Schmitt-triggered SDA/SCL inputs, open-drain SDA with external pull-up, and internally pulled-down A0–A2 and WP pins.

Key Specifications

Pinout & Package

FM24V01-G is housed in an 8-pin Small Outline Integrated Circuit (SOIC) package with standard 1.27 mm pitch, compatible with automated PCB assembly and legacy EEPROM footprints.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar serial nonvolatile memory applications.

Compared with AT24C128C-SSHM-T, FM24V01-G delivers 100,000× higher endurance and zero-write-latency; versus MB85RC128A, it offers 3.4× faster I²C throughput while maintaining identical reliability metrics.

Availability

FM24V01-G is available at Aetrix Electronics and suitable for smart energy metering, industrial PLC data logging, and automotive body control modules requiring stable component supply, long-lifecycle assurance, and RoHS-compliant sourcing.

Supply support for FM24V01-G 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 programmable system-on-chip solutions for industrial, automotive, and IoT applications.

The FM24V01-G belongs to Cypress's F-RAM product line, engineered specifically to replace EEPROM in applications demanding frequent, low-latency, and highly reliable nonvolatile writes.

FAQ

Is FM24V01-G pin-compatible with standard I²C EEPROMs in SOIC-8 packages?

Yes - FM24V01-G uses identical 8-pin SOIC footprint and pin assignments (VDD, VSS, SDA, SCL, WP, A0–A2) as industry-standard 128-Kbit I²C EEPROMs such as AT24C128. No PCB redesign is needed for drop-in replacement, though firmware must accommodate NoDelay™ writes instead of polling.

Does FM24V01-G require external circuitry beyond standard I²C pull-ups?

No - FM24V01-G operates with only standard I²C bus components: external pull-up resistors on SDA and SCL lines. Its internally pulled-down A0–A2 and WP pins eliminate need for external biasing; Schmitt-triggered inputs tolerate noisy environments without additional filtering.

How does the Device ID feature aid system-level validation?

The Device ID register returns fixed Manufacturer ID (0x01 for Cypress) and Product ID (0x09 for FM24V01), readable via I²C after power-up. This enables bootloader or diagnostic firmware to verify correct part installation, detect counterfeit components, and enforce BOM compliance before enabling critical functions.

Can FM24V01-G operate reliably during brown-out conditions?

Yes - FM24V01-G includes built-in power-fail detection that halts writes if VDD drops below 1.8 V (typical). Combined with NoDelay™ writes, this ensures partial writes never corrupt memory contents. Systems should issue a START condition after recovery to reinitialize the I²C interface per datasheet errata guidance.