MCP79400-I/MS More Semiconductors - ICs by Microchip Technology
Battery-Backed I2C Real-Time Clock/Calendar with SRAM and EEPROM
| Status: | Active |
|---|---|
| Series: | MCP79400 |
| RoHS: | Compliant |
Where to Buy
Prices starting from US$0.80
| Distributor | Stock | ||
|---|---|---|---|
|
Microchip Technology
from US$0.80
|
10,980
in stock
|
Buy Now |
|
ECOM
from US$1.04
|
90
in stock
|
Buy Now |
|
Newark Electronics
from US$0.90
|
82
in stock
|
Buy Now |
|
element14
from US$0.98
|
82
in stock
|
Buy Now |
|
Farnell
from US$0.88
|
82
in stock
|
Buy Now |
|
Future Electronics
from US$0.84
|
0
in stock
|
Buy Now |
|
Avnet America
from US$0.89
|
0
in stock
|
Buy Now |
|
TME
from US$0.88
|
0
in stock
|
Buy Now |
|
RS Americas
from US$1.98
|
0
in stock
|
Buy Now |
|
EBV Elektronik
-
|
0
in stock
|
Buy Now |
|
Avnet Silica
-
|
0
in stock
|
Buy Now |
| Buy Now |
Features
| VCC Min = 1.8V |
| Icc < 5 µA Typical Dynamic Current |
| VBAT Min = 1.3V |
| Ibat < 700nA Typical Timekeeping & SRAM Retention Current |
| VCC to VBAT (power lost) |
| VBAT to VCC (power restored) |
| Dual alarms with single Interrupt Output that operates on VCC or VBAT |
| Clock Out frequencies of 32.768, 8.192 & 4.096 KHz and 1 Hz |
| 1 ppm is approximately 86 milliseconds/day |
| Factory standard or custom ID programming available |
Specifications
| Max Interface Speed | 400 KHz |
|---|---|
| Pin Count | 8 |
| Minimum Clock_Count | 1 sec |
| User SRAM (Bytes) | 64 |
| EEPROM Data Memory Bytes | 0 |
| Unique_ID (Bits) | 64 |
| Unique ID with MAC Addr | Blank ID |
| Temperature Range | -40 to +85 |
| Pins | Packaging | 8 | MSOP |
| Temp Range | -40C to +85C |
| Packing Media | Tube (100) |
Last 6 months Inventory & Pricing History
Resources
Board Design Files |
|---|
| Verilog Model - MCP7940X Devices |
| MCP794xx Reference Layout Gerber Files |
Brochures |
|---|
| MCP794xx I2C Real-Time Clock/Calendar Brochure |
| I2C & SPI Real-Time Clock/Calendar Sell Sheet |
Code Examples |
|---|
| AN1355 PIC24F Source Code |
| AN1355 PIC18F Source Code |
Supporting Collateral |
|---|
| Enabling Intelligent Automation Using the MCP7941X I2C RTCC |
Environmental Information
| JEDEC Indicator | e3 |
|---|---|
| ROHS | Compliant |
| China EFUP | Compliant |
| Device Weight (g) | 0.0256 |
| Shipping Weight (kg) | 0.07 |
| Lead Count | 8 |
| Package Type | MSOP |
| Package Width or Size | 3x3mm |
| Soldering Composition | Matte Tin |
Alternative Descriptions
| I2C GP RTCC, 64B SRAM, ID | Microchip Technology |
| I2C, Vbat, RTCC+64B RAM+8B EE, Vc=1.8/5.5V, -40+85°C | ECOM |
| Rtcc, Gp I2C, 64B Sram, Id, 8Msop | Newark Electronics |
| RTCC, GP I2C, 64B SRAM, ID, 8MSOP | element14 |
| I2CTM Compatible real-time clock/calendar (RTCC) | Future Electronics |
| IC: RTC circuit | TME |
| I2C GP RTCC, 64B SRAM, ID8 MSOP 3X3MM TUBE | RS Americas |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a MCP79400-I/MS?
Additional datasheets, footprints and schematics for MCP79400-I/MS are listed on our Part Details page. You can also find images and similar parts to MCP79400-I/MS on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for MCP79400-I/MS on our Product Comparison page. Access via the 'View Pricing & Stock' button to view MCP79400-I/MS price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does MCP79400-I/MS fall under?
The MCP79400-I/MS is listed under Semiconductors - ICs > More Semiconductors - ICs.
Can I view similar or alternative parts?
You can view similar parts to MCP79400-I/MS when available in the More Semiconductors - ICs range under the specifications section at the bottom of the details page.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the MCP79400-I/MS you can contact the distributor directly for product support, shipping queries etc.
Is the MCP79400-I/MS RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Microchip Technology.
Which authorised distributors for MCP79400-I/MS have stock available?
Authorised distributors including Microchip Technology, ECOM, Newark Electronics, element14 and Farnell have stock available or on a lead time for MCP79400-I/MS.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for MCP79400-I/MS often in real-time on the comparison pages.
What if I can't find stock of MCP79400-I/MS?
You can fill out our help required form which you can use to request a quote for MCP79400-I/MS from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.