STMicroelectronics

M24512-RDW6TP

A: The M24512-RDW6TP operates from a wide supply voltage range of 1.8 V to 5.5 V (note that the M24512‑R variant supports 1.8 V to 5.5 V, while the M24512‑W variant supports 2.5 V to 5.5 V). It is compatible with all I²C bus modes: 100 kHz, 400 kHz, and 1 MHz (Fast‑mode Plus). The device features a 128‑byte page write buffer and a self‑timed write cycle with a maximum duration of 5 ms per byte or page. Write endurance is rated at more than 4 million cycles, and data retention is specified at more than 200 years.

A: The M24512-RDW6TP uses a standard 2‑wire I²C serial interface (SDA and SCL) and carries a built‑in 4‑bit Device Type Identifier code of 1010 in accordance with the I²C bus definition. It provides three external hardware address pins (E0, E1, E2), allowing up to eight M24512 devices to share the same I²C bus without address conflicts (the M24512‑R and M24512‑W families support up to four devices each). The device supports byte write, page write (128 bytes per page), random read, and sequential read modes, and includes a hardware Write Control (WC) input for write protection of the entire memory array.

A: The M24512-RDW6TP is engineered for high reliability, with specifications of more than 4 million write cycles and more than 200‑year data retention. The device offers enhanced ESD/latch‑up protection and meets automotive AEC‑Q100 qualification. Regarding lifecycle status, multiple authoritative distributor sources list the part status as Active – DigiKey shows “Part Status: Active”, Chip1Stop lists “Lifecycle Status: Active”, and JAK Electronics confirms “Lifecycle Status: ACTIVE” (Last Updated: 6 months ago). However, it is important to note that the manufacturer’s own website lists the similar M24512-RMN6TP variant as “NRND” (Not Recommended for New Designs). Engineers should therefore verify current lifecycle status and lead times directly with an authorised distributor before committing to volume production.

A: The M24512-RDW6TP is well‑suited for a broad range of applications requiring reliable non‑volatile data storage, including: Industrial control systems – Storing configuration parameters, calibration constants, and operational logs. Automotive electronics – For engine control units (ECUs), body control modules, and infotainment systems (AEC‑Q100 qualified). Consumer electronics – Storing user settings, device preferences, and calibration constants. Medical devices – Securely storing critical device identification, calibration information, and usage logs. Communications equipment – Configuration data and system parameters. Recommended Alternatives: If the M24512-RDW6TP is not suitable, pin‑to‑pin compatible alternatives with the same TSSOP‑8 package and 1.8 V–5.5 V supply include: Alternative Part Manufacturer Notes 24LC512-I/ST Microchip Technology Pin‑compatible; 400 kHz max; AEC‑Q100 qualified CAT24C512YI-GT3 onsemi Pin‑compatible; 1 MHz max; TSSOP‑8 package M24512-DFDW6TP STMicroelectronics Family variant with 1.7 V–5.5 V supply; same package Engineers should verify pin assignments and supply voltage requirements before selecting an alternative component for their specific design.