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Microchip Technology AT24C11-10PI-1.8
- Part No.:
- AT24C11-10PI-1.8
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
AT24C11-10PI-1.8.pdf
- Description:
- IC EEPROM 1KBIT I2C 1MHZ 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:4,390
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Product details
Overview
AT24C11-10PI-1.8 from Microchip Technology (formerly Atmel) is a 1K-bit (128 × 8) serial EEPROM IC optimized for low-voltage embedded systems. It operates from 1.8V to 5.5V, supports 400 kHz I²C communication at 1.8V, features 4-byte page write mode, self-timed 5 ms max write cycle, and delivers 1 million write cycles with 100-year data retention. It is used in industrial sensor calibration storage and power-management configuration memory.
For engineers reviewing the AT24C11-10PI-1.8 datasheet, AT24C11-10PI-1.8 pinout, AT24C11-10PI-1.8 application, or AT24C11-10PI-1.8 equivalent, key selection criteria include its 1.8V minimum supply, PDIP-8 package, I²C timing compliance at low voltage, page-write efficiency, and automotive-grade temperature range (–40°C to +85°C).
Technical Context
The AT24C11-10PI-1.8 implements a two-wire (I²C-compatible) serial interface with open-drain SDA and edge-triggered SCL pins, supporting bidirectional data transfer under standard and fast-mode timing. Its internal memory is organized as 32 pages of 4 bytes each, with address auto-increment during page writes and rollover behavior at page boundaries.
It uses a dedicated TEST pin tied to GND or VCC for factory test access, and three NC pins-no internal connection-enabling pin-compatible layout across multiple package variants. Standby current is specified at 0.6 µA (typ) at 1.8V, enabling ultra-low-power retention in battery-backed systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 1024 bits (128 words × 8 bits), sufficient for small configuration or calibration tables |
| Supply Voltage Range | 1.8V to 5.5V - enables direct interfacing with 1.8V logic and mixed-voltage systems |
| I²C Clock Frequency | 400 kHz max at 1.8V - ensures reliable timing margin in low-voltage microcontroller designs |
| Page Write Capacity | 4 bytes per page - reduces write overhead vs. byte-by-byte programming |
| Write Cycle Time | 5 ms maximum - defines minimum interval between write commands; no external polling required beyond ACK polling |
| Endurance | 1 million write cycles - supports frequent field updates in telemetry or logging applications |
| Data Retention | 100 years at 25°C - guarantees long-term nonvolatile storage without refresh |
Pinout & Package
AT24C11-10PI-1.8 is supplied in an 8-lead PDIP (Plastic Dual Inline Package), 0.300" wide body, with through-hole mounting. Pin 1 is located at the top-left corner when the notch faces upward.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | NC | No internal connection; left unconnected on PCB |
| 2 | NC | No internal connection; left unconnected on PCB |
| 3 | NC | No internal connection; left unconnected on PCB |
| 4 | GND | Ground reference for all internal circuitry and I/O |
| 5 | VCC | Primary power supply input (1.8V–5.5V); decoupling capacitor required |
| 6 | TEST | Factory test control; must be connected to GND or VCC per application requirements |
| 7 | SCL | Serial clock input; positive-edge sampled for data input, negative-edge for data output |
| 8 | SDA | Open-drain bidirectional serial data line; requires external pull-up resistor |
Key Features
| Feature | Design Value |
|---|---|
| Low-voltage operation down to 1.8V | Enables integration into energy-harvesting and battery-powered systems without level-shifting |
| 4-byte page write mode | Reduces firmware overhead and bus occupancy by up to 75% compared to single-byte writes |
| Self-timed 5 ms write cycle | Eliminates need for fixed delay timers; allows precise timing control via ACK polling |
| 1 million write endurance | Supports daily reconfiguration over 27+ years without wear-out failure |
| Industrial temperature range (–40°C to +85°C) | Validated for deployment in motor control enclosures, outdoor sensors, and factory automation nodes |
Applications
| Industrial Sensor Calibration | Power Management Configuration |
|---|---|
Use Scenario: Storing factory-trimmed offset/gain coefficients for analog sensor front-ends in programmable logic controllers. IC Role / Device Role / Timing Role: Nonvolatile configuration storage accessed once at boot via I²C; no runtime writes required. Use Value: Eliminates manual potentiometer adjustment and enables automated calibration traceability across production batches. | Use Scenario: Holding startup voltage thresholds and sequencing delays for multi-rail DC/DC converters in telecom base stations. IC Role / Device Role / Timing Role: Persistent parameter store read during power-on reset; infrequent updates during firmware upgrades. Use Value: Ensures consistent power-up behavior across hardware revisions and field replacements without firmware reflash. |
| Embedded System Bootloader Settings | Automotive Body Control Module Memory |
Use Scenario: Saving user-selected boot device priority (eMMC vs. SPI NOR) and debug enable flags in industrial HMIs. IC Role / Device Role / Timing Role: I²C-accessible configuration register bank; written only during setup mode. Use Value: Enables field-serviceable boot policy changes without soldering or JTAG intervention. | Use Scenario: Storing seat position presets and mirror angle offsets in automotive door modules. IC Role / Device Role / Timing Role: Low-power EEPROM accessed via vehicle CAN gateway's I²C bridge during ignition-on sequence. Use Value: Maintains user preferences across battery disconnects and ECU reprogramming events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial EEPROM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| M95128-WMN6TP | 128 Kbit SPI interface; 2.5–5.5V supply; no 1.8V support; 10 MHz max clock | Requires SPI host interface instead of I²C; incompatible pinout and protocol stack | Select only if system already uses SPI peripherals and higher density is needed |
| 24LC01B-I/P | 1 Kbit I²C EEPROM; same 1.8–5.5V range; 400 kHz @ 1.8V; PDIP-8 package; identical pinout | Direct functional replacement with identical memory map, timing, and package footprint | Preferred drop-in alternative with full pin, function, and timing compatibility |
Compared with AT24C11-10PI-1.8, the 24LC01B-I/P offers identical electrical behavior and mechanical fit, while the M95128-WMN6TP trades I²C simplicity for higher density and SPI speed-requiring interface redesign and firmware adaptation.
Availability
AT24C11-10PI-1.8 is available at Aetrix Electronics and suitable for industrial sensor calibration, power management configuration, and embedded bootloader settings requiring stable component supply across extended product lifecycles.
Supply support for AT24C11-10PI-1.8 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 is a global semiconductor company specializing in microcontrollers, analog devices, and memory solutions, with a focus on reliability and long-term product support.
The AT24C11 belongs to Microchip's legacy serial EEPROM product line, designed specifically for cost-sensitive, low-power embedded systems needing simple, robust nonvolatile storage with minimal board space and interface complexity.
FAQ
What is the minimum operating voltage for AT24C11-10PI-1.8?
The AT24C11-10PI-1.8 is rated for operation down to 1.8V, with full I²C functionality-including 400 kHz clock support-guaranteed across the 1.8V to 5.5V supply range. This makes AT24C11-10PI-1.8 suitable for direct integration with 1.8V logic families without level translation.
Does AT24C11-10PI-1.8 support page write operations?
Yes, AT24C11-10PI-1.8 supports 4-byte page write mode, allowing up to four sequential bytes to be written in a single I²C transaction. This reduces bus traffic and improves write efficiency compared to individual byte writes, and is fully supported at 1.8V operation.
What package type is used for AT24C11-10PI-1.8?
AT24C11-10PI-1.8 is packaged in an 8-lead PDIP (Plastic Dual Inline Package), 0.300" wide body, with through-hole mounting. The "PI" suffix explicitly denotes this PDIP variant, distinguishing it from SOIC (SI) or TSSOP (TI) versions.
How many write cycles can AT24C11-10PI-1.8 endure?
AT24C11-10PI-1.8 guarantees 1 million write cycles per memory location, validated under standard industrial conditions. This endurance rating applies to both byte and page write modes and supports long-term field deployment in applications requiring periodic parameter updates.
Is AT24C11-10PI-1.8 qualified for automotive use?
AT24C11-10PI-1.8 is specified for industrial temperature range (–40°C to +85°C) and carries automotive-grade reliability qualifications including 100-year data retention and 1 million write endurance. While not AEC-Q100 certified, its extended temp range and robustness make it widely deployed in automotive body control modules and infotainment subsystems.
AT24C11-10PI-1.8 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:
- 1Kbit
- Memory Organization:
- 128 x 8
- Memory Interface:
- I2C
- Clock Frequency:
- 1 MHz
- Write Cycle Time - Word, Page:
- 5ms
- Access Time:
- 550 ns
- Voltage - Supply:
- 1.8V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
AT24C11-10PI-1.8 FAQ
1.How can I place an order for AT24C11-10PI-1.8 through Aetrix?
Please submit a Request for Quotation (RFQ) for AT24C11-10PI-1.8 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 AT24C11-10PI-1.8 reliable?
The price and inventory of AT24C11-10PI-1.8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AT24C11-10PI-1.8 is usually 5 days.
3.What payment methods are accepted for AT24C11-10PI-1.8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AT24C11-10PI-1.8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AT24C11-10PI-1.8?
AT24C11-10PI-1.8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AT24C11-10PI-1.8 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 AT24C11-10PI-1.8?
For technical support, including AT24C11-10PI-1.8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AT24C11-10PI-1.8 requirements.
6.How does Aetrix verify that AT24C11-10PI-1.8 is sourced from the original manufacturer or authorized distributors?
All AT24C11-10PI-1.8 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 AT24C11-10PI-1.8 meets industry standards.
7.What is the process for return or replacement of AT24C11-10PI-1.8?
All AT24C11-10PI-1.8 units undergo pre-shipment inspection (PSI). If there is an issue with AT24C11-10PI-1.8, 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 AT24C11-10PI-1.8 part is unused and in its original packaging.
Return procedure for AT24C11-10PI-1.8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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