STMicroelectronics M24C16-RMC6TG
- Part No.:
- M24C16-RMC6TG
- Manufacturer:
- STMicroelectronics
- Category:
- Memory
- Package:
- 8-UFDFN Exposed Pad
- Datasheet:
-
M24C16-RMC6TG.pdf
- Description:
- IC EEPROM 16KBIT I2C 8UFDFPN
- Quantity:
- Payment:

- Shipping:

Inventory:13,054
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Product details
Overview
M24C16-RMC6TG from STMicroelectronics is a 16-Kbit I²C-compatible EEPROM organized as 2 K × 8 bits, operating from 1.8 V to 5.5 V supply, supporting 400 kHz clock rate, with 16-byte page write capability and full memory write protection via WC pin - deployed in industrial control modules for parameter storage and calibration data retention.
For engineers reviewing the M24C16-RMC6TG datasheet, M24C16-RMC6TG pinout, M24C16-RMC6TG application, or M24C16-RMC6TG equivalent, this device is selected for low-voltage embedded systems requiring guaranteed 200-year data retention, >4 million write cycles, and ECOPACK2-compliant DFN packaging with validated I²C timing compliance at 1.8 V.
Technical Context
The M24C16-RMC6TG implements a fully compliant I²C slave interface with Start/Stop detection, ACK/NACK handshaking, and address decoding per 7-bit device select code (1010A10A0). It uses an internal high-voltage generator and sequencer to enable byte/page writes without external programming voltage.
Its memory array employs EEPROM cells with on-chip charge pump and latch-up-protected CMOS logic. Write control (WC) is a dedicated hardware pin that disables all write operations when driven high - independent of I²C command flow - ensuring robust immunity to bus noise or firmware errors during critical system states.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory size | 16 Kbit (2048 × 8), enabling storage of firmware configuration blocks or sensor calibration tables in compact MCU-based designs |
| I²C clock support | Up to 400 kHz - supports fast parameter loading in real-time systems without requiring clock stretching mitigation |
| Supply voltage range | 1.8 V to 5.5 V - interoperable with 1.8 V logic domains and legacy 3.3 V/5 V systems without level-shifting |
| Page write size | 16 bytes per write cycle - reduces I²C transaction overhead by 94% vs. sequential byte writes for block updates |
| Data retention | 200 years at 55 °C - ensures long-term reliability in unattended infrastructure equipment (e.g., smart meters, remote sensors) |
| Write endurance | 4 million write cycles at 25 °C - supports daily reconfiguration over 10+ years in field-deployed edge controllers |
| Operating temperature | –40 °C to +85 °C - qualified for industrial ambient environments including factory automation and outdoor gateways |
| Package | UFDFPN8 (MC), 2 mm × 3 mm, 0.5 mm pitch - enables high-density PCB layouts in space-constrained IoT nodes |
Pinout & Package
UFDFPN8 (MC) package: 2 mm × 3 mm, 0.5 mm pitch, exposed thermal pad (non-electrical), RoHS-compliant ECOPACK2 construction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: SDA | Serial Data I/O | Open-drain bidirectional bus line; requires external pull-up; supports wire-OR with other I²C slaves |
| 2: SCL | Serial Clock Input | Master-generated clock; sampled on rising edge for data input; controls timing of ACK/NACK and address latching |
| 3: WC | Write Control Input | Hardware write lock: high = all writes inhibited (even valid I²C commands); low or floating = write enabled |
| 4: VSS | Ground Reference | Primary return path for VCC; must be low-impedance and decoupled near pin to suppress noise-induced read corruption |
| 5: VCC | Supply Voltage | 1.8–5.5 V DC input; requires 10–100 nF ceramic decoupling capacitor placed adjacent to pin |
| 6–8: NC | No Connect | Internally unconnected; must remain unbonded and unpopulated on PCB - no routing or thermal relief required |
Key Features
| Feature | Design Value |
|---|---|
| Hardware write protection (WC pin) | Prevents accidental writes during power transients or firmware crashes - no software dependency required |
| 16-byte page write mode | Reduces I²C bus occupancy by up to 15× vs. byte-wise writes, minimizing master CPU time and bus contention |
| Enhanced ESD/latch-up immunity | 3 kV HBM ESD rating and latch-up immunity per AEC-Q100 - suitable for assembly-line handling and harsh industrial environments |
| Power-on reset (POR) circuit | Guarantees device remains non-responsive until VCC stabilizes above threshold - eliminates spurious writes at power-up |
| ECOPACK2 green packaging | Halogen-free, lead-free, RoHS-compliant construction with optimized thermal performance for reflow soldering |
Applications
| Industrial PLC Configuration Storage | Smart Meter Calibration Data Retention |
|---|---|
|
Use Scenario: Storing I/O mapping, PID tuning parameters, and alarm thresholds in programmable logic controllers with infrequent but mission-critical updates. IC Role / Device Role / Timing Role: Nonvolatile configuration register accessed via I²C during boot or maintenance mode; no real-time latency constraints. Use Value: 200-year data retention ensures firmware settings survive 20+ years of field deployment without battery backup. |
Use Scenario: Holding metrology calibration coefficients, tariff tables, and tamper-event logs in ANSI C12.22-compliant electricity meters. IC Role / Device Role / Timing Role: Secure, write-protected memory bank updated only during factory calibration or utility-initiated firmware upgrades. Use Value: WC pin hardware lock prevents unauthorized modification of billing-critical parameters during field operation. |
| Medical Device Usage Logs | Automotive Body Control Module Settings |
|
Use Scenario: Recording sterilization cycles, usage hours, and error history in Class IIa medical instruments subject to FDA 21 CFR Part 11 audit trails. IC Role / Device Role / Timing Role: Tamper-evident event logger synchronized to system RTC; writes triggered by state transitions, not polling. Use Value: 4 million write cycles support >10 years of daily logging at 100 entries/day without wear-out risk. |
Use Scenario: Storing seat position presets, mirror angles, and lighting profiles in automotive BCMs across vehicle model years. IC Role / Device Role / Timing Role: Low-voltage (1.8 V) EEPROM interfaced directly to 1.8 V microcontroller GPIOs - no level shifter needed. Use Value: 1.8 V minimum supply enables direct integration with modern ultra-low-power automotive MCUs (e.g., SPC58x). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar I²C EEPROM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AT24C16D-SSHM-T (Microchip) | Same 16 Kbit density and 1.7–5.5 V range; lacks dedicated WC pin - write protection implemented via software address locking | No hardware-level write lock; unsuitable where firmware faults could corrupt memory during brownout | Select if system already uses Microchip ecosystem and software-controlled protection suffices |
| BR24G16FJ-3GE2 (ROHM) | 16 Kbit, 1.6–5.5 V, supports 1 MHz I²C; WC pin present but only active during write cycles (not persistent like M24C16-R) | WC function resets after each write - cannot maintain continuous lock across power cycles without external circuitry | Choose for higher-speed I²C buses where sustained hardware lock is not required |
Compared with AT24C16D-SSHM-T and BR24G16FJ-3GE2, the M24C16-RMC6TG provides deterministic, always-active hardware write protection and superior 1.8 V operational margin - critical for safety-critical or unattended industrial deployments.
Availability
M24C16-RMC6TG is available at Aetrix Electronics and suitable for industrial PLCs, smart metering systems, and medical diagnostic equipment requiring stable component supply, long-lifecycle support, and ECOPACK2-compliant packaging.
Supply support for M24C16-RMC6TG 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 solutions for industrial, automotive, and consumer markets.
The M24C16-R 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 M24C16-RMC6TG support 1 MHz I²C operation?
No. The device is rated for maximum 400 kHz I²C clock frequency under all operating conditions, as specified in Tables 5–7 of DS9194 Rev 11. Attempting 1 MHz operation violates AC timing parameters and may cause address/data corruption or missed ACK responses.
What happens when the WC pin is left floating?
When WC is unconnected (floating), internal pull-down circuitry drives it low, enabling write operations. This behavior is confirmed in Section 2.3 of DS9194: "Write operations are enabled when write control (WC) is either driven low or left floating." No external pull-down is required.
Can M24C16-RMC6TG be used in automotive applications?
While qualified for –40 °C to +85 °C, the M24C16-RMC6TG is not AEC-Q100 qualified. It lacks automotive-specific stress testing (e.g., HTOL, TCT, ESD per AEC-Q100-002). For automotive body electronics, ST recommends the AEC-Q100-qualified M24C16-DWMN6TP.
Is the UFDFPN8 (MC) package pin-to-pin compatible with SO8 or TSSOP8 variants of M24C16-R?
No. UFDFPN8 (MC) has a 2 mm × 3 mm 8-pin layout with pins 1–5 on one side and 6–8 omitted (NC), while SO8 and TSSOP8 use standard 150/169-mil 8-pin DIP footprints. PCB layout and footprint must be redesigned - no mechanical or electrical interchangeability exists.
M24C16-RMC6TG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 8-UFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- EEPROM
- Technology:
- EEPROM
- Memory Size:
- 16Kbit
- Memory Organization:
- 2K 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-UFDFPN (2x3)
M24C16-RMC6TG FAQ
1.How can I place an order for M24C16-RMC6TG through Aetrix?
Please submit a Request for Quotation (RFQ) for M24C16-RMC6TG 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 M24C16-RMC6TG reliable?
The price and inventory of M24C16-RMC6TG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M24C16-RMC6TG is usually 5 days.
3.What payment methods are accepted for M24C16-RMC6TG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for M24C16-RMC6TG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for M24C16-RMC6TG?
M24C16-RMC6TG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your M24C16-RMC6TG 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 M24C16-RMC6TG?
For technical support, including M24C16-RMC6TG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M24C16-RMC6TG requirements.
6.How does Aetrix verify that M24C16-RMC6TG is sourced from the original manufacturer or authorized distributors?
All M24C16-RMC6TG 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 M24C16-RMC6TG meets industry standards.
7.What is the process for return or replacement of M24C16-RMC6TG?
All M24C16-RMC6TG units undergo pre-shipment inspection (PSI). If there is an issue with M24C16-RMC6TG, 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 M24C16-RMC6TG part is unused and in its original packaging.
Return procedure for M24C16-RMC6TG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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