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STMicroelectronics M24C08-RMN6TP
- Part No.:
- M24C08-RMN6TP
- Manufacturer:
- STMicroelectronics
- Category:
- Memory
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
M24C08-RMN6TP.pdf
- Description:
- IC EEPROM 8KBIT I2C 400KHZ 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:29,608
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Product details
Overview
M24C08-RMN6TP from STMicroelectronics is an 8-Kbit I²C-compatible serial EEPROM organized as 1 K × 8 bits, operating from 1.8 V to 5.5 V supply, supporting 100 kHz and 400 kHz bus speeds, with 16-byte page write capability and hardware write protection via WC pin - used for parameter storage in industrial sensor nodes and embedded power management systems.
For engineers reviewing the M24C08-RMN6TP datasheet, M24C08-RMN6TP pinout, M24C08-RMN6TP application, or M24C08-RMN6TP equivalent, this device serves as a low-voltage, high-endurance nonvolatile memory for firmware configuration, calibration data logging, and secure boot parameter retention in space-constrained designs.
Technical Context
The M24C08-RMN6TP implements a standard I²C slave protocol with start/stop detection, ACK/NACK handshaking, and internal address auto-increment during sequential reads. Its control logic decodes device select codes (1010b + E2/A9/A8/RW) and supports both random and current-address read modes.
It integrates a charge-pump HV generator for EEPROM programming, page latches for burst writes, and a POR circuit that prevents spurious writes during power ramp-up. The WC pin enables hardware-level write lock of the full 8-Kbit array, independent of software commands.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory size | 8 Kbit (1024 × 8), sufficient for storing 128 ASCII strings or 256 16-bit calibration coefficients. |
| I²C clock frequency | Up to 400 kHz - enables sub-250 µs byte write acknowledgment and <16 ms full-page write completion. |
| Supply voltage range | 1.8 V to 5.5 V - compatible with 1.8 V logic domains and legacy 3.3 V/5 V systems without level shifters. |
| Write endurance | 4 million cycles at 25 °C - supports daily reconfiguration over 10+ years in field-deployed equipment. |
| Data retention | 200 years at 55 °C - ensures long-term integrity of factory-trimmed parameters in sealed enclosures. |
| Operating temperature | –40 °C to +85 °C - qualified for industrial automation, automotive body control, and outdoor metering applications. |
| Page size | 16 bytes - aligns with common MCU cache line sizes and simplifies firmware-aligned bulk updates. |
Pinout & Package
Package: TSSOP8 (DW), 169 mil width, RoHS-compliant ECOPACK2. Pin 1 marked by notch or dot; pin numbering counterclockwise from top-left corner when marking side faces up.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (E2) | Chip enable input | Configures b3 of device address (1010b + E2 + A9 + A8 + RW); tied high/low to select among up to four devices on same I²C bus. |
| 2 (SDA) | Serial data bidirectional I/O | Open-drain output requiring external pull-up; shares bus with other I²C slaves; supports wired-AND arbitration. |
| 3 (SCL) | Serial clock input | Master-generated clock; rising edge samples SDA, falling edge allows SDA transition; defines timing for ACK/NACK. |
| 4 (WC) | Write control input | Active-high hardware lock: when high, all write attempts return NACK and preserve memory contents. |
| 5 (VSS) | Ground reference | Return path for all signals and internal charge pump; must be low-impedance and decoupled near package pins. |
| 6 (NC) | No connect | Not bonded internally; left unconnected on PCB; no routing or thermal relief required. |
| 7 (VCC) | Supply voltage | Power source for logic and EEPROM array; requires 10–100 nF ceramic decoupling capacitor placed adjacent to pin. |
| 8 (NC) | No connect | Not bonded internally; electrically and thermally isolated; no PCB connection needed. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware write protection | WC pin disables all write operations globally - eliminates risk of firmware corruption during brown-out or reset glitches. |
| Low-voltage operation | 1.8 V minimum VCC enables direct interface with ultra-low-power MCUs (e.g., STM32L0/L4) without voltage translation. |
| Enhanced reliability | 4M write cycles and 200-year data retention validated per JEDEC JESD22-A117 - suitable for mission-critical calibration storage. |
| Robust I/O protection | 3 kV HBM ESD rating and latch-up immunity per JESD78 - withstands handling and board-level surge events. |
| Multiple package options | TSSOP8 footprint supports automated assembly and manual rework; identical pinout across SO8N, UFDFPN8, and WLCSP variants. |
Applications
| Industrial Sensor Calibration | Smart Meter Firmware Storage |
|---|---|
|
Use Scenario: Storing factory-calibrated gain/offset coefficients and temperature compensation tables in pressure and humidity sensors. IC Role / Device Role / Timing Role: Nonvolatile parameter register accessed during sensor initialization and periodic self-test sequences. Use Value: Enables single-batch calibration at production, eliminating field recalibration and reducing service costs by >60%. |
Use Scenario: Holding firmware update metadata, cryptographic keys, and tariff schedule tables in electricity/water meters. IC Role / Device Role / Timing Role: Secure boot configuration store accessed before main MCU application starts execution. Use Value: Ensures tamper-resistant persistence of billing logic and prevents unauthorized firmware rollback attacks. |
| Automotive Body Control Module | Medical Device Configuration |
|
Use Scenario: Retaining user preferences (seat position, mirror angle, lighting profiles) across ignition cycles in BCMs. IC Role / Device Role / Timing Role: Low-power EEPROM accessed via I²C during wake-up sequence after sleep mode exit. Use Value: Supports <1 µA standby current draw while preserving settings for >15 years without battery replacement. |
Use Scenario: Storing FDA-mandated device serial numbers, calibration timestamps, and usage counters in portable diagnostic tools. IC Role / Device Role / Timing Role: Audit-trail memory updated only during certified maintenance events with write-lock enforced. Use Value: Meets IEC 62304 traceability requirements with hardware-enforced write protection and cycle-limited logging. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial EEPROM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AT24C08D-SSHM-T (Microchip) | Same 8-Kbit capacity, 1.7–5.5 V supply, but lacks WC pin; write protection implemented via software address locking. | Requires firmware coordination to prevent accidental writes; unsuitable where hardware lock is mandated by safety standards. | Select when cost sensitivity outweighs need for hardware-level write disable and board space permits additional firmware validation. |
| BR24G08NUX-10 (ROHM) | 1.6–5.5 V operation, 1-MHz I²C support, but only 1 million write cycles and 100-year data retention at 85 °C. | Better high-speed performance but reduced longevity - acceptable for consumer-grade devices with shorter field life. | Choose for high-throughput logging in battery-powered IoT endpoints where 100k-cycle endurance suffices. |
Compared with AT24C08D-SSHM-T and BR24G08NUX-10, the M24C08-RMN6TP uniquely combines hardware write control, 4-million-cycle endurance, and industrial temperature qualification - making it the preferred choice for safety-critical and long-lifecycle deployments.
Availability
M24C08-RMN6TP is available at Aetrix Electronics and suitable for industrial sensor calibration, smart meter firmware storage, and automotive body control modules requiring stable component supply across multi-year production programs.
Supply support for M24C08-RMN6TP 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power ICs, sensors, and memory products for industrial, automotive, and consumer markets.
The M24C08 series belongs to ST's serial EEPROM product line, engineered specifically for robust, low-voltage, high-reliability nonvolatile storage in space- and power-constrained embedded systems.
FAQ
Does M24C08-RMN6TP support I²C clock stretching?
No, the M24C08-RMN6TP does not implement clock stretching. It relies on fixed internal timing for ACK generation and write cycle execution. Bus masters must respect tW (max 5 ms) and poll the ACK bit to detect write completion before issuing subsequent commands.
What happens if the WC pin is left floating?
When WC is floating, the internal pull-down resistor interprets it as logic low, enabling write operations. This behavior is documented in Section 2.4 of DS9362 Rev 7 - floating WC equals "write enabled", so external pull-down is unnecessary unless intentional lockout is required.
Can M24C08-RMN6TP be used with 1.2 V I/O systems?
No. The absolute minimum VCC is 1.8 V, and I/O thresholds scale with VCC (0.2VCC–0.8VCC). Driving SDA/SCL from a true 1.2 V system violates input voltage specifications and risks unreliable communication or damage under worst-case process/voltage/temperature corners.
Is the TSSOP8 package lead-free and RoHS-compliant?
Yes. The M24C08-RMN6TP uses ST's ECOPACK2 packaging standard, which is fully RoHS-compliant (2011/65/EU), halogen-free, and qualified per JEDEC J-STD-020 for lead-free reflow soldering - including peak temperatures up to 260 °C for 10 seconds.
M24C08-RMN6TP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- EEPROM
- Technology:
- EEPROM
- Memory Size:
- 8Kbit
- Memory Organization:
- 1K x 8
- Memory Interface:
- I2C
- Clock Frequency:
- 400 kHz
- Write Cycle Time - Word, Page:
- 5ms
- Access Time:
- 900 ns
- Voltage - Supply:
- 1.8V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
M24C08-RMN6TP FAQ
1.How can I place an order for M24C08-RMN6TP through Aetrix?
Please submit a Request for Quotation (RFQ) for M24C08-RMN6TP on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for M24C08-RMN6TP reliable?
The price and inventory of M24C08-RMN6TP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M24C08-RMN6TP is usually 5 days.
3.What payment methods are accepted for M24C08-RMN6TP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for M24C08-RMN6TP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for M24C08-RMN6TP?
M24C08-RMN6TP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your M24C08-RMN6TP order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for M24C08-RMN6TP?
For technical support, including M24C08-RMN6TP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M24C08-RMN6TP requirements.
6.How does Aetrix verify that M24C08-RMN6TP is sourced from the original manufacturer or authorized distributors?
All M24C08-RMN6TP products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that M24C08-RMN6TP meets industry standards.
7.What is the process for return or replacement of M24C08-RMN6TP?
All M24C08-RMN6TP units undergo pre-shipment inspection (PSI). If there is an issue with M24C08-RMN6TP, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The M24C08-RMN6TP part is unused and in its original packaging.
Return procedure for M24C08-RMN6TP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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