 |
|
• Real-Time Clock/Calendar (RTCC):
- Hours, Minutes, Seconds, Day of Week, Day,
Month, Year
- Leap year compensated to 2399
- 12/24 hour modes |
• Oscillator for 32.768 kHz Crystals:
- Optimized for 6-9 pF crystals |
• On-Chip Digital Trimming/Calibration:
- ±1 PPM resolution
- ±129 PPM range |
| • Dual Programmable Alarms |
• Versatile Output Pin:
- Clock output with selectable frequency
- Alarm output
- General purpose output |
• Power-Fail Time-Stamp:
- Time logged on switchover to and from
Battery mode |
|
| CATALOG |
| MCP7940N-E/SN COUNTRY OF ORIGIN |
| MCP7940N-E/SN PARAMETRIC INFO |
| MCP7940N-E/SN PACKAGE INFO |
| MCP7940N-E/SN MANUFACTURING INFO |
| MCP7940N-E/SN PACKAGING INFO |
| MCP7940N-E/SN ECAD MODELS |
|
| COUNTRY OF ORIGIN |
| Singapore |
| Thailand |
| China |
| Malaysia |
| Philippines |
| Taiwan (Province of China) |
|
| PARAMETRIC INFO |
| Date Format |
DW:DM:M:Y |
| Time Format |
HH:MM:SS |
| User RAM (byte) |
64 |
| Bus Type |
Serial (2-Wire, I2C) |
| Function |
Clock/Calendar/Alarm/Battery Backup |
| Minimum Operating Temperature (°C) |
-40 |
| Maximum Operating Temperature (°C) |
125 |
| Supplier Temperature Grade |
Extended |
| Minimum Storage Temperature (°C) |
-65 |
| Maximum Storage Temperature (°C) |
150 |
| Minimum Operating Supply Voltage (V) |
1.8 |
| Typical Operating Supply Voltage (V) |
2.5|3.3|5 |
| Maximum Operating Supply Voltage (V) |
5.5 |
|
| |
| PACKAGE INFO |
| Supplier Package |
SOIC N |
| Basic Package Type |
Lead-Frame SMT |
| Pin Count |
8 |
| Lead Shape |
Gull-wing |
| PCB |
8 |
| Tab |
N/R |
| Package Length (mm) |
4.9 |
| Package Width (mm) |
3.9 |
| Package Height (mm) |
1.25(Min) |
| Package Diameter (mm) |
N/R |
| Mounting |
Surface Mount |
| Package Description |
Small Outline IC Narrow Body |
| Package Family Name |
SO |
| Package Outline |
Link to Datasheet |
|
| |
| MANUFACTURING INFO |
| MSL |
1|3 |
| Maximum Reflow Temperature (°C) |
260 |
| Reflow Solder Time (Sec) |
20 to 40 |
| Number of Reflow Cycle |
3 |
| Standard |
J-STD-020C |
| Reflow Temp. Source |
Link to Datasheet |
| Maximum Wave Temperature (°C) |
N/R |
| Wave Solder Time (Sec) |
N/R |
| Wave Temp. Source |
Link to Datasheet |
| Lead Finish(Plating) |
Matte Sn annealed |
| Under Plating Material |
N/A |
| Terminal Base Material |
Cu Alloy |
|
| |
| PACKAGING INFO |
| Packaging |
Tube |
| Quantity Of Packaging |
100 |
|
| |
| ECAD MODELS |
 |
|
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