The FM24CL64B-GTR from Infineon is a high-endurance 64-Kbit ferroelectric random access memory (F-RAM) organized as 8K × 8 bits. It uses an industry-standard I²C two-wire serial interface operating at frequencies of up to 1MHz, while also supporting legacy 100kHz and 400kHz I²C timing. It can serve as a hardware replacement for serial I²C EEPROM in applications requiring frequent nonvolatile data updates.
F-RAM technology provides NoDelay™ instant writes, allowing data to be written at bus speed without the long internal write cycles associated with conventional EEPROM. The FM24CL64B supports up to 10 trillion (10¹³) read/write cycles and provides 121-year data retention at 85°C, making it well suited for data logging, parameter storage, metering and applications with frequent write operations.
The device offers low-power operation with approximately 120μA typical active current at 100kHz and 6μA typical standby current. A dedicated WP write-protect input can protect the entire memory array against unintended write operations.
For the specific FM24CL64B-GTR orderable part, Infineon’s current product page specifies an operating-voltage range of 2.7V to 3.6V, an industrial operating-temperature range of -40°C to +85°C, and Industrial qualification. It is supplied in an 8-pin SOIC / PG-DSO-8 package with pure-tin leads. The GTR version comes in 2500-piece tape-and-reel packaging and is lead-free, halogen-free and RoHS compliant. Infineon currently lists the part as Active and Preferred.
Key Specifications:
- Brand: Infineon
- Part Number: FM24CL64B-GTR
- Product Type: F-RAM Nonvolatile Memory
- Memory Density: 64 Kbit
- Organization: 8K × 8 Bit
- Interface: I²C
- Maximum Interface Frequency: 1MHz
- Supported I²C Rates: 100kHz / 400kHz / 1MHz
- Read/Write Endurance: 10¹³ Cycles
- Data Retention: 121 Years @ 85°C
- Write Technology: NoDelay™ Instant Write
- Write Protect: WP Pin
- Typical Active Current: 120μA @ 100kHz
- Typical Standby Current: 6μA @ 85°C
- Operating Voltage: 2.7V to 3.6V
- Industrial Operating Temperature: -40°C to +85°C
- Qualification: Industrial
- Package: SOIC-8 / PG-DSO-8
- Pin Count: 8
- Mounting Type: SMD / SMT
- Lead Finish: Pure Sn
- MSL: Level 3
- Lead-Free: Yes
- Halogen-Free: Yes
- RoHS Compliant: Yes
- Packaging: Tape & Reel
- Standard Pack Quantity: 2500 pcs
- Product Status: Active and Preferred
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