11AA040-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
The 11AA040-I/SN is a 4 Kbit single-wire serial EEPROM by Microchip Technology. Key specs: 1 MHz max clock, 1,000,000 write/erase cycles endurance, 200-year data retention, 8-pin SOIC package. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 11AA040-I/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2500(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 4 Kbit (512 byte) EEPROM with single-wire UNI/O serial interface for minimal pin count designs
- Exceptional endurance of 1,000,000 write/erase cycles combined with a minimum 200-year data retention rating
- Compact 8-pin SOIC package with 1 MHz maximum clock frequency and RoHS-compliant lead-free construction
Applications
The 11AA040-I/SN is ideal for embedded systems requiring non-volatile data storage with a minimal pin count interface, such as configuration storage, calibration data, and device identification in space-constrained designs. It is widely used in consumer electronics, industrial sensors, and IoT devices where the UNI/O single-wire protocol simplifies PCB routing. The high endurance and long data retention make it well-suited for applications with frequent parameter updates or safety-critical data preservation.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 9Weeks |
| YTEOL | 8 |
| Clock Frequency-Max (fCLK) | 1MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Memory Density | 4096bit |
| Memory IC Type | EEPROM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 512words |
| Number of Words Code | 512 |
| Operating Mode | SYNCHRONOUS |
| Organization | 512X8 |
| Output Characteristics | TOTEM POLE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Ready/Busy | NO |
| Reverse Pinout | NO |
| Screening Level | AEC-Q100 |
| Serial Bus Type | 1-WIRE |
| Standby Current-Max | 0.000005A |
| Supply Current-Max | 0.005mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.8V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Toggle Bit | NO |
| Write Cycle Time-Max (tWC) | 10ms |
| Write Protection | SOFTWARE |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.32.00.51 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the memory capacity and interface of the 11AA040-I/SN?
The 11AA040-I/SN provides 4,096 bits (4 Kbit) of EEPROM storage accessed via Microchip's UNI/O single-wire serial interface. The maximum clock frequency is 1 MHz, allowing fast data access while using only a single I/O line.
How many write cycles can the 11AA040-I/SN endure?
The 11AA040-I/SN is rated for 1,000,000 write/erase cycles of endurance, making it extremely reliable for applications that frequently update stored data, such as event counters, usage logs, and runtime configuration parameters.
What package does the 11AA040-I/SN use?
The 11AA040-I/SN is housed in an 8-pin SOIC (R-PDSO-G8) small outline integrated circuit package, a standard footprint that is easy to solder and compatible with most PCB assembly processes. The factory lead time is approximately 9 weeks.
What is the data retention rating for the 11AA040-I/SN?
The 11AA040-I/SN has a minimum data retention time of 200 years, ensuring that stored data remains intact over the full life of the application. This exceeds typical EEPROM retention requirements and is suitable for archiving critical parameters.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.3200 | $0.32 |
| 10+ | $0.3190 | $3.19 |
| 100+ | $0.2700 | $27.00 |
| 1000+ | $0.2600 | $260.00 |
| 5000+ | $0.2500 | $1250.00 |
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