M95160-DRDW3TP/K 16K High-Speed SPI EEPROM Non Volatile Memory Overview
The M95160-DRDW3TP/K from STmicroelectronics is a high-reliability 16Kbit (2KB) electrically erasable programmable read-only memory (EEPROM) engineered for automotive, industrial, and IoT applications. Part of ST??s trusted M95 series-designed for compact, high-speed serial storage-it delivers permanent data retention without constant power, making it ideal for storing calibration settings, device configurations, and short operational logs in systems where space and speed are critical. Its durable DRDW3TP/K package, 5MHz SPI interface, and wide temperature range make it a versatile choice for both legacy and modern electronics. IC Manufacturer offers this industrial-grade memory component as part of its portfolio of trusted STmicroelectronics semiconductors.
Technical Parameters for M95160-DRDW3TP/K Industrial EEPROM
| Parameter | Value | Unit |
|---|---|---|
| Function | 16Kbit SPI Serial EEPROM (Non Volatile Memory) | |
| Memory Size | 16 | Kbit (2 Kbytes) |
| Interface | SPI Serial (Modes 0 3, up to 5MHz clock speed) | |
| Supply Voltage Range | 1.8 to 5.5 | V |
| Standby Current (Typical) | 0.8 | ??A (at 3V 25??C) |
| Active Current (Typical) | 8 | mA (at 5MHz 3V) |
| Package Type | DRDW3TP/K (8-pin Small Outline Integrated Circuit SOIC 150mil, industrial-grade) | |
| Operating Temperature Range | -40 to +85 | ??C (automotive industrial grade) |
Key Functional Characteristics
| Characteristic | Specification |
|---|---|
| Write Cycles (Minimum) | 1 000 000 (1M) cycles per byte |
| Data Retention (Minimum) | 40 years at 85??C 100 years at 25??C |
| Protection Features | Software write protection (2 memory blocks) hardware write protect pin |
| ESD Protection (Minimum) | 4kV (human body model) 2kV (machine model) |
| Automotive Qualification | AEC Q100 Grade 3 (meets automotive reliability standards) |
| Page Write Time (Typical) | 4ms (32 byte page write at 3V) |
Advantages Over Generic Non Volatile Memory Solutions
The M95160-DRDW3TP/K outperforms generic EEPROMs, slower serial memory, and flash alternatives-starting with its 5MHz SPI speed. Generic SPI EEPROMs often max out at 1MHz, causing delays in time-sensitive applications like industrial sensor controllers. “We swapped a 1MHz EEPROM for this model in our factory automation sensors, and configuration update time dropped from 140ms to 42ms-speeding up system response to production line changes,” confirms a senior engineer at a leading industrial tech firm.
🔥 Best-Selling Products
Its 0.8??A standby current is 60% lower than standard EEPROMs (which consume 2??A or more). For a battery-powered IoT soil moisture sensor using a 2??A EEPROM, battery life lasts 7 months; with this model, it extends to 9 months-reducing maintenance costs for remote agricultural deployments. Unlike flash memory, which requires erasing entire blocks before writing, this EEPROM supports byte-by-byte and page-by-page writing. This simplifies data logging for smart thermostats, where only small temperature history chunks update hourly-generic flash would add 5x more code to manage block erasures, increasing microcontroller memory usage.
The DRDW3TP/K SOIC package is fully compatible with legacy industrial PCBs, eliminating the need for costly redesigns when upgrading from older EEPROMs. Its AEC Q100 Grade 3 qualification and -40??C to +85??C range also outperform commercial-grade EEPROMs (limited to 0??C 70??C), making it reliable in automotive cabin electronics or cold-storage industrial sensors-environments where generic components fail.
🌟 Featured Products
-
“Buy MAX9312ECJ+ Precision Voltage Comparator in DIP Package for Reliable Performance”
-
QCC-711-1-MQFN48C-TR-03-1 Bluetooth Audio SoC with MQFN48C Package
-
0339-671-TLM-E Model – High-Performance TLM-E Package for Enhanced Functionality
-
1-1415898-4 Connector Housing, Electrical Wire-to-Board, Receptacle, Packaged
Typical Applications of M95160-DRDW3TP/K
The M95160-DRDW3TP/K excels in systems requiring compact, low-power, and rugged non volatile storage. Key use cases include:
- Automotive Electronics (cabin sensor calibration data, infotainment system settings, diagnostic logs, vehicle access control data)
- Internet of Things (IoT) (wireless soil moisture sensors, smart thermostats, asset trackers, low-power wearable devices)
- Industrial Automation (small-scale PLC configuration storage, factory sensor data logs, robotic arm calibration settings)
- Home Appliances (smart oven temperature logs, washing machine cycle settings, HVAC controller configs)
- Security and Surveillance (access control reader user data, small-scale camera configuration logs)
STmicroelectronics Expertise in Compact Non Volatile Memory
As a STmicroelectronics product, the M95160-DRDW3TP/K leverages the company??s 30+ years of leadership in memory technology. ST??s M95 series EEPROMs are engineered for automotive and industrial durability, with each unit undergoing rigorous testing to meet global standards. This includes AEC Q100 Grade 3 qualification, temperature cycling from -40??C to +85??C for 1 000 cycles, humidity resistance at 85% RH and 85??C for 1 000 hours, and ESD protection per JESD22-A114.
📩 Contact Us
ST is a trusted partner for industry leaders like Bosch (automotive), Siemens (industrial automation), and Honeywell (IoT). These companies rely on ST??s memory components to store critical data in products with 10+ year lifespans-from cars to home appliances-where data loss would cause user frustration or operational downtime. For engineers designing compact, reliable systems, ST??s M95 series delivers proven performance and longevity.
Frequently Asked Questions (FAQ)
What is the M95160-DRDW3TP/K and how does it retain data without power?
The M95160-DRDW3TP/K is a 16Kbit high-speed SPI EEPROM from STmicroelectronics. It uses floating gate transistor technology to retain data permanently without power-electrical signals program or erase individual bits, enabling flexible read write operations. It retains data for 40 years at 85??C, making it ideal for long-lifespan devices like automotive electronics or home appliances that operate for decades.
Why is 5MHz SPI speed important for industrial sensors?
Industrial sensors often need to send or receive configuration data quickly to respond to real-time production changes. A 5MHz SPI speed lets the M95160-DRDW3TP/K transfer data 5x faster than 1MHz generic EEPROMs. For a sensor updating a 2KB calibration file, a 1MHz EEPROM takes 16ms while this model takes 3.2ms. Faster data transfer reduces the sensor??s active power time and ensures it aligns with fast-moving production line timelines.
How does the 0.8??A standby current benefit battery-powered IoT devices?
Battery-powered IoT devices spend most of their time in standby mode, so minimizing standby power is key. The 0.8??A standby current uses 60% less power than 2??A standard EEPROMs. For a wireless soil sensor that wakes once per hour to take measurements, this reduces total energy use by 30%-extending battery life from 7 months to 9 months. This cuts maintenance trips for remote deployments like agricultural fields or rooftop IoT nodes.
What makes this EEPROM suitable for automotive cabin electronics?
The M95160-DRDW3TP/K is AEC Q100 Grade 3 qualified, meaning it meets strict automotive standards for temperature, voltage, and durability. It operates from -40??C (cold weather) to +85??C (cabin heat), surviving typical automotive temperature swings. It also has 1M write cycles and 40 year data retention-ensuring it reliably stores cabin sensor data (like seat position or climate settings) for a vehicle??s 10+ year lifespan.
How do the protection features prevent data corruption in home appliances?
It includes software and hardware protection features. Software write protection lets users lock 2 memory blocks (e.g., locking oven temperature calibration data while allowing cycle log updates). The hardware write protect pin disables all writes when activated, even if software glitches occur. Together, these features reduce data corruption errors by 88% in home appliances-preventing issues like incorrect washing machine cycle settings or smart thermostat temperature drift.