MCP79400T-I/ST More Semiconductors - ICs by Microchip Technology
Battery-Backed I2C Real-Time Clock/Calendar with SRAM and EEPROM
| Status: | Active |
|---|---|
| Series: | MCP79400 |
| RoHS: | Compliant |
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 | TSSOP |
| Temp Range | -40C to +85C |
| Packing Media | Tape and reel (2500) |
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) | 0.033 |
| Shipping Weight (kg) | 0.2156 |
| Lead Count | 8 |
| Package Type | TSSOP |
| Package Width or Size | 4.4mm |
| Soldering Composition | Matte Tin |
Alternative Descriptions
| I2C GP RTCC, 64B SRAM, ID | Microchip Technology |
| Real Time Clock/Calendar, -40 To 85Deg C | Newark Electronics |
| Real Time Clock Serial 64Byte 8-Pin TSSOP T/R | Avnet America |
| IC RTC CLK/CALENDAR I2C 8-TSSOP | Microchip Technology Inc. MCP79400T-I/ST | RS Americas |
| REAL TIME CLOCK/CALENDAR, -40 TO 85DEG C | Farnell |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a MCP79400T-I/ST?
Additional datasheets, footprints and schematics for MCP79400T-I/ST are listed on our Part Details page. You can also find images and similar parts to MCP79400T-I/ST on this page.
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What category does MCP79400T-I/ST fall under?
The MCP79400T-I/ST is listed under Semiconductors - ICs > More Semiconductors - ICs.
Can I view similar or alternative parts?
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Is the MCP79400T-I/ST RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Microchip Technology.
Which authorised distributors for MCP79400T-I/ST have stock available?
Authorised distributors including Microchip Technology, Newark Electronics, Avnet America, RS Americas and Farnell have stock available or on a lead time for MCP79400T-I/ST.
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