93AA76C-I/MS Microchip Integrated Circuit (Small Outline Packages) In Stock
93AA76C-I/MS is an 8 Kbit serial EEPROM by Microchip, configurable as 512×16-bit or 1024×8-bit organization, with up to 1 MHz SPI-compatible clock and 1,000,000 write/erase cycle endurance in a compact MSOP-8 package. Key specs: 200-year minimum data retention, 1 MHz max clock, Pb-free MSOP-8. From competitive pricing, in stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 93AA76C-I/MS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4200(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
- 8 Kbit capacity in flexible 512×16 or 1024×8 organization selectable by the ORG pin, supporting both 8-bit and 16-bit microcontroller data widths
- 1,000,000 write/erase cycle endurance ensures long service life in frequently-updated configuration storage and calibration data applications
- 200-year minimum data retention provides reliable non-volatile storage for product lifetime without battery or refresh circuits
- Compact 8-lead MSOP (S-PDSO-G8) Pb-free package with 1 MHz SPI-compatible serial interface minimizes PCB footprint in space-constrained embedded designs
Applications
93AA76C-I/MS is used for storing non-volatile configuration data, calibration coefficients, and system parameters in microcontroller-based embedded systems, IoT sensors, and industrial control equipment. Its 8 Kbit capacity and 1 MHz SPI interface suit applications such as smart meter calibration storage, medical device parameter retention, and consumer appliance settings that require infrequent writes but guaranteed 200-year data retention. The 1,000,000 write cycle endurance supports logging applications and adaptive calibration routines that update stored values regularly throughout the product lifetime.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | MSOP-8 |
| Factory Lead Time | 17Weeks |
| YTEOL | 9 |
| Alternate Memory Width | 8 |
| Clock Frequency-Max (fCLK) | 1MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Memory Density | 8192bit |
| Memory IC Type | EEPROM |
| Memory Width | 16 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 512words |
| Number of Words Code | 512 |
| Operating Mode | SYNCHRONOUS |
| Organization | 512X16 |
| Output Characteristics | TOTEM POLE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Ready/Busy | YES |
| Reverse Pinout | NO |
| Screening Level | TS 16949 |
| Serial Bus Type | MICROWIRE |
| Standby Current-Max | 0.000001A |
| Supply Current-Max | 0.003mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.8V |
| Supply Voltage-Nom (Vsup) | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Toggle Bit | YES |
| Write Cycle Time-Max (tWC) | 5ms |
| 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
How is the memory organization of 93AA76C-I/MS selected between 512×16 and 1024×8 configurations?
93AA76C-I/MS memory organization is selected by the ORG pin: pulling ORG high selects the 512×16-bit word organization (512 addresses, 16 bits per word), while pulling ORG low selects 1024×8-bit byte organization (1024 addresses, 8 bits per byte). The 16-bit organization is convenient for 16-bit microcontrollers or DSPs reading configuration words, while 8-bit mode suits 8-bit MCUs. Both organizations access the full 8 Kbit of physical memory with only the address width and data bus width differing.
What is the maximum clock frequency for 93AA76C-I/MS and which SPI modes does it support?
93AA76C-I/MS supports a maximum clock frequency of 1 MHz on its serial interface, which is compatible with the Microwire protocol (a subset of SPI Mode 0,0). At 1 MHz with 16-bit word transfers, burst read throughput reaches approximately 62,500 words per second — sufficient for loading configuration tables at system startup in less than 10 ms for a full 512-word memory. Most microcontrollers support Microwire/SPI at 1 MHz or faster, making 93AA76C-I/MS directly interfaceable without external level translators at matched supply voltages.
How does 93AA76C-I/MS's 1,000,000 write cycle endurance compare to typical EEPROM requirements in calibration storage?
Standard EEPROM calibration storage applications typically require fewer than 10,000 write cycles per cell over a product's lifetime of 10-15 years, assuming calibration updates occur less than once per day. 93AA76C-I/MS's 1,000,000 write cycles provides a margin of 100× over this baseline — sufficient even for adaptive calibration routines that update coefficients every hour for 10 years (87,600 cycles total). This endurance headroom eliminates wear leveling complexity for most embedded calibration and configuration use cases.
For a battery-powered IoT sensor, does 93AA76C-I/MS consume significant standby current between write operations?
93AA76C-I/MS is designed for low-power serial EEPROM operation typical of Microchip's 93-series devices, with standby current typically in the range of 1 µA or less when CS is deasserted between accesses. In a battery-powered IoT sensor updating calibration data once per day, the average power contribution from the EEPROM is negligible — on the order of 1-5 µW from a 3 V cell. The dominant current draw occurs only during the write cycle (typically a few milliseconds at 1-3 mA), keeping long-term battery impact well below 0.1% of total system consumption for a CR2032 (225 mAh) battery.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.5400 | $0.54 |
| 10+ | $0.5320 | $5.32 |
| 89+ | $0.4410 | $39.25 |
| 2800+ | $0.4392 | $1229.68 |
| 5000+ | $0.4200 | $2100.00 |
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