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STMicroelectronics M24C08-DRMN3TP/K
- Part No.:
- M24C08-DRMN3TP/K
- Manufacturer:
- STMicroelectronics
- Category:
- Memory
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
M24C08-DRMN3TP/K.pdf
- Description:
- IC EEPROM 8KBIT I2C 1MHZ 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,445
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Product details
Overview
M24C08-DRMN3TP/K from STMicroelectronics is an AEC-Q100 Grade 1 automotive EEPROM delivering 8 Kbits (1024 × 8) of I²C-compatible nonvolatile memory with 1 MHz Fast-mode Plus support, 1.7–5.5 V supply range, and operation up to +125 °C. It features 16-byte page writes, embedded ECC for single-bit error correction, and a dedicated 16-byte identification page with permanent lock capability - deployed in engine control units, ADAS sensor modules, and battery management systems.
For engineers reviewing the M24C08-DRMN3TP/K datasheet, M24C08-DRMN3TP/K pinout, M24C08-DRMN3TP/K application, or M24C08-DRMN3TP/K equivalent, key selection criteria include automotive temperature qualification (-40 °C to +125 °C), write protection via WC pin, identification page programmability, and compatibility with 1 MHz I²C bus timing under 1.7 V minimum VCC.
Technical Context
The device implements a fully compliant I²C target interface with START/STOP detection, ACK/NACK handshaking, and address decoding per device select codes 1010b (memory) and 1011b (ID page). Its internal architecture includes a Y/X decoder array, page latches, ECC logic per byte, and a high-voltage generator for write cycling.
It supports three write modes: byte write, 16-byte page write (with rollover), and ID page write/lock; all inhibited when WC = high. The identification page provides factory-programmed ST device code (20h/E0h/0Ah) plus user-configurable bytes, permanently lockable via a dedicated instruction sequence.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory size | 8 Kbits (1024 × 8), organized as 64 pages × 16 bytes - enables efficient parameter storage with minimal bus overhead per page access. |
| I²C speed modes | 1 MHz (Fast-mode Plus), 400 kHz (Fast-mode), 100 kHz (Standard-mode) - supports high-speed configuration updates in real-time automotive subsystems. |
| Supply voltage | 1.7 V to 5.5 V - compatible with 1.8 V, 3.3 V, and 5 V microcontroller I/O domains without level shifting. |
| Operating temperature | -40 °C to +125 °C (AEC-Q100 Grade 1) - qualified for under-hood and powertrain applications requiring extended thermal reliability. |
| Write endurance | 4 million cycles at 25 °C; 600k at 125 °C - ensures long-term calibration data retention in high-temperature ECU environments. |
| Data retention | 50 years at 125 °C; 100 years at 25 °C - guarantees firmware revision logs and safety-critical configuration parameters remain intact over vehicle lifetime. |
| Page write time | ≤ 4 ms - enables rapid batch updates of sensor calibration tables without blocking host MCU execution for extended periods. |
| ESD protection | 4000 V HBM - sustains robustness against assembly handling and in-vehicle electrostatic events without external protection. |
Pinout & Package
Supplied in TSSOP8 (DW, 169 mil width) package per ECOPACK2 environmental standard. Pin 1 identified by notch or dot marking; pin numbering follows standard counter-clockwise layout from top-left corner.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (SDA) | Serial Data I/O | Open-drain bidirectional bus line; requires external pull-up; transmits/receives address/data/ACK bits per I²C protocol. |
| 2 (VSS) | Ground Reference | System return path for VCC; must be low-impedance connection to minimize noise coupling into SDA/SCL. |
| 3 (SCL) | Serial Clock Input | Master-generated clock synchronizing all data transfers; sampled on rising edge for input, controls output timing. |
| 4 (WC) | Write Control Input | Active-high hardware write protect: disables all data byte ACKs when high; allows address/ID reads regardless of state. |
| 5 (NC) | No Connect | Internally unconnected; must be left floating or tied to VSS/VCC per board layout constraints - no electrical function. |
| 6 (NC) | No Connect | Internally unconnected; no routing or termination required; avoids signal integrity impact on adjacent pins. |
| 7 (VCC) | Supply Voltage | Power input for core logic and EEPROM array; requires local 10–100 nF ceramic decoupling capacitor near pin. |
| 8 (E2) | Chip Enable Input | Configures LSB of device address (b3); sets select code to 1010/E2 or 1011/E2 - enables dual-device addressing on same bus. |
Key Features
| Feature | Design Value |
|---|---|
| ECC x 1 per byte | Single-bit error detection and correction during read operations - eliminates need for software CRC layers in safety-critical parameter storage. |
| Dedicated ID page | 16-byte factory- and user-programmable area with permanent lock command - enables secure device authentication and immutable calibration metadata. |
| Hardware write protect | WC pin disables all write acknowledgments while preserving read functionality - prevents accidental overwrites during system boot or fault recovery. |
| AEC-Q100 Grade 1 | Qualified for automotive applications up to +125 °C ambient - meets stringent reliability, failure rate, and stress-test requirements for powertrain use. |
| ECOPACK2 packaging | TSSOP8 RoHS-compliant, halogen-free, and lead-free construction - satisfies global automotive environmental compliance mandates (ELV, REACH). |
Applications
| Engine Control Unit (ECU) | Advanced Driver Assistance Systems (ADAS) |
|---|---|
|
Use Scenario: Storing adaptive fuel trim values, ignition timing maps, and diagnostic trouble codes (DTCs) across power cycles. IC Role / Device Role / Timing Role: Nonvolatile configuration register providing persistent parameter storage with ECC-protected reads during runtime calibration loops. Use Value: Enables closed-loop engine optimization without external microcontroller flash wear leveling; 4 million write cycles exceed typical ECU service life. |
Use Scenario: Retaining camera lens calibration offsets, radar beamforming coefficients, and sensor fusion bias corrections after vehicle shutdown. IC Role / Device Role / Timing Role: Secure, temperature-stable memory for mission-critical sensor metadata - accessed via 1 MHz I²C during boot initialization. Use Value: Eliminates recalibration delays at startup; ID page lock prevents tampering with factory-set sensor alignment data. |
| Battery Management System (BMS) | Electric Power Steering (EPS) |
|
Use Scenario: Logging cell voltage imbalance history, cycle count, and thermal derating thresholds for ISO 26262 ASIL-B compliance. IC Role / Device Role / Timing Role: Safety-relevant parameter archive with 50-year data retention at 125 °C - survives under-battery-pack thermal exposure. Use Value: Supports functional safety audits by preserving traceable battery aging records; ECC ensures integrity of SOC calculation inputs. |
Use Scenario: Storing torque sensor zero-point compensation, motor phase resistance profiles, and fail-safe steering angle limits. IC Role / Device Role / Timing Role: Real-time accessible nonvolatile memory interfaced directly to EPS MCU over 400 kHz I²C - immune to WC-induced write faults. Use Value: Guarantees deterministic steering response by eliminating flash write latency; WC pin tied low only during calibration routines. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive EEPROM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AT24C08C-SSHM-T (Microchip) | Same 8-Kbit capacity, 1 MHz I²C, but AEC-Q100 Grade 2 (−40 °C to +105 °C); no identification page or ECC. | Limited to cabin electronics or body control modules where 125 °C operation and ID page locking are not required. | Select when cost sensitivity outweighs extended temperature and security features; verify absence of ECC in safety analysis. |
| BR24G08NUX-10 (ROHM) | 8-Kbit, AEC-Q100 Grade 1, 1.7–5.5 V, but max I²C speed 400 kHz; includes unique ID but no lockable ID page. | Suitable for gateway modules or infotainment backup storage where high-speed writes are unnecessary. | Prefer when lower bus speed suffices and ROHM's unique ID suffices for traceability - no permanent lock capability for calibration data. |
Compared with AT24C08C-SSHM-T and BR24G08NUX-10, the M24C08-DRMN3TP/K uniquely combines 125 °C operation, ECC, and a lockable identification page - making it the only option among the three qualified for powertrain-critical parameter storage with hardware-enforced immutability.
Availability
M24C08-DRMN3TP/K is available at Aetrix Electronics and suitable for engine control units, ADAS sensor modules, and battery management systems requiring stable component supply across automotive production lifecycles.
Supply support for M24C08-DRMN3TP/K 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 specializing in automotive, industrial, and power management ICs, with broad portfolio certification to AEC-Q100, ISO 26262, and IEC 61508.
This device belongs to ST's M24C automotive EEPROM product line, engineered specifically for reliable, high-temperature nonvolatile storage of calibration, safety, and diagnostic data in ASIL-B/C systems.
FAQ
What is the function of the WC pin, and how does it affect write operations?
The WC (Write Control) pin is an active-high hardware write protect. When driven high, it inhibits acknowledgment of all data bytes during write attempts - preventing unintended modifications while still allowing address transmission and read operations. It does not block ID page reads or lock status checks, and its state has no effect on read timing or ECC functionality.
How is the identification page different from main memory, and what happens when it is locked?
The identification page is a separate 16-byte region containing factory-coded ST device identifiers (20h/E0h/0Ah) and user-programmable fields. Once locked via the dedicated "lock ID" instruction, all subsequent write attempts to this page return NO ACK, and the contents become permanently read-only - including both factory and user bytes - with no hardware or software unlock mechanism.
Does the embedded ECC correct errors during write operations, or only during reads?
ECC operates exclusively during read operations: it detects and corrects single-bit errors in retrieved data before output on SDA. It does not validate or modify data written to the array; write integrity relies on I²C ACK/NACK handshaking and proper VCC stability during tW. ECC is transparent to the protocol and adds no timing overhead to writes.
Can multiple M24C08-DRMN3TP/K devices share the same I²C bus, and how is addressing managed?
Yes - up to two devices can coexist on one bus using the E2 pin to configure the device select code's b3 bit. With E2 tied to VSS, the code becomes 10100xxx (memory) or 10110xxx (ID page); with E2 tied to VCC, it becomes 10101xxx or 10111xxx. This enables independent addressing without external multiplexing or bus segmentation.
M24C08-DRMN3TP/K 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:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- EEPROM
- Technology:
- EEPROM
- Memory Size:
- 8Kbit
- Memory Organization:
- 1K x 8
- Memory Interface:
- I2C
- Clock Frequency:
- 1 MHz
- Write Cycle Time - Word, Page:
- 4ms
- Access Time:
- 450 ns
- Voltage - Supply:
- 1.7V ~ 5.5V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
M24C08-DRMN3TP/K FAQ
1.How can I place an order for M24C08-DRMN3TP/K through Aetrix?
Please submit a Request for Quotation (RFQ) for M24C08-DRMN3TP/K 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-DRMN3TP/K reliable?
The price and inventory of M24C08-DRMN3TP/K are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M24C08-DRMN3TP/K is usually 5 days.
3.What payment methods are accepted for M24C08-DRMN3TP/K?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for M24C08-DRMN3TP/K transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for M24C08-DRMN3TP/K?
M24C08-DRMN3TP/K orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your M24C08-DRMN3TP/K 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-DRMN3TP/K?
For technical support, including M24C08-DRMN3TP/K datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M24C08-DRMN3TP/K requirements.
6.How does Aetrix verify that M24C08-DRMN3TP/K is sourced from the original manufacturer or authorized distributors?
All M24C08-DRMN3TP/K 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-DRMN3TP/K meets industry standards.
7.What is the process for return or replacement of M24C08-DRMN3TP/K?
All M24C08-DRMN3TP/K units undergo pre-shipment inspection (PSI). If there is an issue with M24C08-DRMN3TP/K, 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-DRMN3TP/K part is unused and in its original packaging.
Return procedure for M24C08-DRMN3TP/K:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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