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Microchip Technology AT24C02-10PC-2.7
- Part No.:
- AT24C02-10PC-2.7
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
AT24C02-10PC-2.7.pdf
- Description:
- IC EEPROM 2KBIT I2C 400KHZ 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:4,400
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Product details
Overview
AT24C02-10PC-2.7 from Microchip Technology (formerly Atmel) is a 2 Kbit (256 × 8) I²C-compatible serial EEPROM optimized for low-voltage embedded systems. It operates from 2.7V to 5.5V, supports 100 kHz I²C bus speed, features hardware write protection via WP pin, and delivers 1 million write cycles with 100-year data retention. It is commonly used in industrial sensor calibration storage and consumer device configuration memory.
For engineers reviewing the AT24C02-10PC-2.7 datasheet, AT24C02-10PC-2.7 pinout, AT24C02-10PC-2.7 application, or AT24C02-10PC-2.7 equivalent, this page provides verified electrical parameters, JEDEC SOIC-8 package details, I²C timing constraints, endurance/reliability metrics, and validated alternative parts for voltage-flexible EEPROM selection.
Technical Context
The AT24C02-10PC-2.7 implements a two-wire I²C interface with Schmitt-triggered, noise-filtered SDA/SCL inputs and open-drain bidirectional data transfer. Its internal architecture organizes memory as 32 pages of 8 bytes each, requiring an 8-bit word address for random access.
Device addressing uses A0–A2 pins (hardwired), enabling up to eight AT24C02 devices on one bus. The WP pin enables full-array hardware write protection when pulled high, and the EEPROM enters low-power standby mode after STOP condition or power-up.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 2 Kbit (256 words × 8 bits); sufficient for firmware revision stamps, sensor offsets, and small configuration tables. |
| Supply Voltage Range | 2.7V to 5.5V; compatible with 3.3V and 5V logic domains without level shifting. |
| I²C Clock Frequency | 100 kHz max at 2.7V; ensures robust timing margin in noisy industrial environments. |
| Write Cycle Time | 10 ms max; defines minimum interval between successive byte/page writes. |
| Endurance | 1 million write cycles; supports frequent recalibration or logging in field-deployed equipment. |
| Data Retention | 100 years at +25°C; guarantees long-term integrity of stored calibration or security keys. |
| Standby Current | 4 µA max at 2.7V; enables ultra-low-power operation in battery-backed applications. |
Pinout & Package
AT24C02-10PC-2.7 is supplied in an 8-lead JEDEC-standard SOIC package (8S1), 0.150" wide, with gull-wing leads and 1.27 mm pitch. This surface-mount package supports automated assembly and offers thermal and mechanical reliability for industrial PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A2 | Device Address Inputs | Hard-wired address bits enabling up to eight AT24C02 devices on a shared I²C bus. |
| SDA | Serial Data I/O | Open-drain bidirectional line; requires external pull-up resistor and supports wire-OR with other I²C devices. |
| SCL | Serial Clock Input | Positive-edge clock input for data-in; negative-edge sampling for data-out per I²C protocol. |
| WP | Write Protect Control | Hardware-enforced full-array lock: high = read-only; low = read/write enabled. |
| VCC | Power Supply | Primary supply rail (2.7–5.5V); powers internal logic and memory array. |
| GND | Ground Reference | Return path for VCC and all signal currents; must be low-impedance for noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| Low-voltage I²C operation | Guaranteed 100 kHz functionality down to 2.7V, eliminating need for voltage translators in mixed-supply systems. |
| Hardware write protection | WP pin provides deterministic, glitch-immune read-only mode-critical for preventing accidental firmware corruption. |
| Page write capability | 8-byte page writes reduce I²C transaction overhead by up to 8× versus byte-by-byte programming. |
| Noise-suppressed inputs | Schmitt-trigger + filtering on SDA/SCL ensures reliable communication in electrically harsh environments (e.g., motor drives). |
| High-reliability nonvolatile storage | 1M write cycles and 100-year retention meet extended-life requirements for medical and industrial control systems. |
Applications
| Industrial Sensor Calibration | Consumer Device Configuration |
|---|---|
Use Scenario: Storing factory-calibrated temperature/pressure offset and gain coefficients in smart transmitters. IC Role / Device Role / Timing Role: Nonvolatile parameter storage accessed during power-on initialization via I²C. Use Value: Enables field-deployable accuracy without reprogramming; retains values across 10+ years of operation. |
Use Scenario: Saving user preferences (brightness, volume, language) in smart TVs and set-top boxes. IC Role / Device Role / Timing Role: Low-power configuration memory updated infrequently but read at every boot. Use Value: 4 µA standby current extends battery life in remote controls; 2.7V operation supports single-cell Li-ion backup. |
| Medical Equipment Settings | Automotive Body Control Modules |
Use Scenario: Recording usage logs and safety-critical operational limits in portable diagnostic devices. IC Role / Device Role / Timing Role: Tamper-resistant storage for audit trails and regulatory compliance data. Use Value: Hardware WP pin prevents unauthorized modification; 1M endurance supports daily logging over 27 years. |
Use Scenario: Storing seat/mirror position presets and lighting profiles in automotive interior ECUs. IC Role / Device Role / Timing Role: I²C-connected persistent memory interfaced directly with 3.3V microcontrollers. Use Value: SOIC-8 package fits tight board spaces; 2.7–5.5V range accommodates vehicle battery fluctuations (9–16V system with LDO). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial EEPROM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| M24C02-RMN6TP | 2 Kbit, 1.7–5.5V supply, 400 kHz I²C, TSSOP-8 package | Wider voltage range and higher speed; no WP pin | Select when higher bus speed or lower minimum voltage (1.7V) is required; omit if hardware write protection is mandatory. |
| BR24G02NUX-10 | 2 Kbit, 1.6–5.5V supply, 400 kHz I²C, 8-pin USON (2×3 mm) | Ultra-compact USON package; supports I²C address pin A1 only (fewer bus nodes) | Select for space-constrained designs where footprint reduction outweighs reduced device count per bus. |
Compared with AT24C02-10PC-2.7, M24C02-RMN6TP offers faster 400 kHz operation and broader voltage support but lacks hardware write protection; BR24G02NUX-10 reduces PCB area significantly but limits multi-device addressing flexibility and requires revalidation of thermal layout due to USON thermal characteristics.
Availability
AT24C02-10PC-2.7 is available at Aetrix Electronics and suitable for industrial sensor calibration, consumer device configuration, and automotive body control modules requiring stable component supply across extended product lifecycles.
Supply support for AT24C02-10PC-2.7 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
Microchip Technology acquired Atmel in 2016 and maintains full technical and manufacturing continuity for the AT24Cxx EEPROM family, delivering high-reliability nonvolatile memory solutions since 1980.
The AT24Cxx series was designed specifically for cost-sensitive, low-power embedded systems requiring robust I²C-based configuration and calibration storage in industrial, medical, and automotive environments.
FAQ
What is the maximum I²C clock frequency supported by AT24C02-10PC-2.7?
The AT24C02-10PC-2.7 supports up to 100 kHz I²C clock frequency when operating within its 2.7V to 5.5V supply range. This is specified in the AC Characteristics table under fSCL for 2.7V operation. Higher speeds (e.g., 400 kHz) require the standard 5V version (AT24C02-10PC) and are not guaranteed for AT24C02-10PC-2.7.
Does AT24C02-10PC-2.7 include hardware write protection?
Yes, AT24C02-10PC-2.7 includes a dedicated Write Protect (WP) pin. When WP is pulled high to VCC, the entire 2 Kbit memory array becomes read-only; when WP is grounded, normal read/write operations are enabled. This hardware-level protection prevents accidental overwrites during firmware updates or power transitions.
What package type is used for AT24C02-10PC-2.7?
AT24C02-10PC-2.7 uses an 8-lead JEDEC SOIC package (designated 8S1), measuring 0.150" wide with 1.27 mm lead pitch. This surface-mount package is RoHS-compliant, compatible with standard reflow profiles, and widely supported in automated PCB assembly lines.
How many devices can share the same I²C bus with AT24C02-10PC-2.7?
Up to eight AT24C02-10PC-2.7 devices can coexist on a single I²C bus. This is achieved using the three hardware address pins A0, A1, and A2, which combine to form a unique 3-bit device address. Each device must have a distinct A0–A2 connection (VCC/GND) to avoid address collisions.
What is the write endurance and data retention specification for AT24C02-10PC-2.7?
AT24C02-10PC-2.7 guarantees 1 million write cycles per memory location and 100 years of data retention at +25°C. These values are characterized and documented in the DC Characteristics and Reliability sections of the official Microchip datasheet for the AT24C02 family.
AT24C02-10PC-2.7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- EEPROM
- Technology:
- EEPROM
- Memory Size:
- 2Kbit
- Memory Organization:
- 256 x 8
- Memory Interface:
- I2C
- Clock Frequency:
- 400 kHz
- Write Cycle Time - Word, Page:
- 5ms
- Access Time:
- 900 ns
- Voltage - Supply:
- 2.7V ~ 5.5V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
AT24C02-10PC-2.7 FAQ
1.How can I place an order for AT24C02-10PC-2.7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AT24C02-10PC-2.7 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 AT24C02-10PC-2.7 reliable?
The price and inventory of AT24C02-10PC-2.7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AT24C02-10PC-2.7 is usually 5 days.
3.What payment methods are accepted for AT24C02-10PC-2.7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AT24C02-10PC-2.7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AT24C02-10PC-2.7?
AT24C02-10PC-2.7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AT24C02-10PC-2.7 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 AT24C02-10PC-2.7?
For technical support, including AT24C02-10PC-2.7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AT24C02-10PC-2.7 requirements.
6.How does Aetrix verify that AT24C02-10PC-2.7 is sourced from the original manufacturer or authorized distributors?
All AT24C02-10PC-2.7 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 AT24C02-10PC-2.7 meets industry standards.
7.What is the process for return or replacement of AT24C02-10PC-2.7?
All AT24C02-10PC-2.7 units undergo pre-shipment inspection (PSI). If there is an issue with AT24C02-10PC-2.7, 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 AT24C02-10PC-2.7 part is unused and in its original packaging.
Return procedure for AT24C02-10PC-2.7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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