MCP79410-I/MS Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP79410-I/MS is an I2C real-time clock and calendar IC featuring 1 Kb EEPROM, 64 bytes SRAM, and a unique ID register in an MSOP-8 package. It operates from 1.8 V with 100 kHz I2C and provides interrupt output for alarm-driven wake-up. Available with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP79410-I/MS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.8700(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MCP79410-I/MS?
- I2C real-time clock and calendar with 32.768 kHz oscillator, 1 Kb EEPROM for configuration storage, and 64 bytes battery-backed SRAM for time-stamping data logging
- Factory-programmed 64-bit unique ID register enables secure node identification and pairing in IoT and secure-boot embedded systems without external EEPROM
- 1.8 V operation at 100 kHz I2C with interrupt output for alarm-triggered microcontroller wake-up in ultra-low-power coin-cell-backed designs
What is MCP79410-I/MS used for?
The MCP79410-I/MS is used in data loggers, smart meters, and battery-backed industrial controllers where accurate timekeeping, alarm wake-up, and non-volatile storage must coexist in a single 8-pin device. Its 1 Kb EEPROM stores calibration coefficients or event records while the 64-byte SRAM holds transient timestamps across short power interruptions. The unique 64-bit ID simplifies device provisioning in networked sensor deployments without additional serial EEPROM parts.
What are the specifications of MCP79410-I/MS?
| Manufacturer Package Code | MSOP-8 |
| Factory Lead Time | 12Weeks |
| YTEOL | 9 |
| Additional Feature | ALSO OPERATES AT 100KHZ WITH 1.8 V NOMINAL |
| Clock Frequency-Max | 0.032MHz |
| Information Access Method | SERIAL(I2C) |
| Interrupt Capability | Y |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| On Chip Data RAM Width | 8 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (words) | 64 |
| Screening Level | TS 16949 |
| Supply Current-Max | 3mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 1.8V |
| Supply Voltage-Nom | 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-Min | SECONDS |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Volatile | NO |
| uPs/uCs/Peripheral ICs Type | TIMER, REAL TIME CLOCK |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Where can I find the MCP79410-I/MS datasheet?
MCP79410-I/MS Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP79410-I/MS?
Compatible alternatives and drop-in replacements for MCP79410-I/MS:
Frequently Asked Questions
What non-volatile storage does the MCP79410-I/MS provide and how is it accessed?
The MCP79410-I/MS includes 1 Kb (128 bytes) of EEPROM accessible at a separate I2C address and 64 bytes of SRAM that retain data as long as power or a backup battery is present. Both are accessed over the same 2-wire I2C bus at up to 400 kHz, allowing a microcontroller to read timekeeping registers and write configuration data in the same communication session.
How does the factory-programmed unique ID in the MCP79410-I/MS simplify IoT device provisioning?
The MCP79410-I/MS contains a 64-bit factory-programmed unique identifier stored in a write-protected EEPROM region. During device provisioning, firmware can read this ID over I2C and use it as a hardware serial number or cryptographic seed without programming an external EEPROM, saving one BOM line item and reducing provisioning steps in high-volume production.
What backup power scheme keeps the MCP79410-I/MS timekeeping alive during main power loss?
The MCP79410-I/MS supports an external VBAT pin connected to a coin cell or supercapacitor, automatically switching to backup power when VCC drops below the threshold. A CR2032 coin cell at 3 V can sustain the 32.768 kHz oscillator and timekeeping registers for several years, and the 64-byte SRAM retains its contents throughout the backup period.
Which alarm and interrupt features does the MCP79410-I/MS offer for low-power microcontroller wake-up?
The MCP79410-I/MS provides two independent alarm registers, each with programmable match on seconds, minutes, hours, day, date, or the full time-and-date. On a match, an open-drain interrupt output asserts low and can wake a microcontroller from deep sleep, enabling duty-cycled systems to remain in a sub-1 µA sleep state between scheduled measurement intervals.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.0800 | $1.08 |
| 5+ | $1.0501 | $5.25 |
| 25+ | $0.9887 | $24.72 |
| 100+ | $0.9500 | $95.00 |
| 1000+ | $0.9000 | $900.00 |
| 5000+ | $0.8700 | $4350.00 |
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