Microchip MCP7940M-I/SN, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin SOIC
- RS-artikelnummer:
- 761-7627
- Tillv. art.nr:
- MCP7940M-I/SN
- Tillverkare / varumärke:
- Microchip
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32,93 kr
(exkl. moms)
41,16 kr
(inkl. moms)
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- Dessutom levereras 15 enhet(er) från den 15 december 2025
- Dessutom levereras 590 enhet(er) från den 22 december 2025
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Enheter | Per enhet | Per förpackning* |
|---|---|---|
| 5 - 20 | 6,586 kr | 32,93 kr |
| 25 - 95 | 6,428 kr | 32,14 kr |
| 100 + | 6,204 kr | 31,02 kr |
*vägledande pris
- RS-artikelnummer:
- 761-7627
- Tillv. art.nr:
- MCP7940M-I/SN
- Tillverkare / varumärke:
- Microchip
Specifikationer
Datablad
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Produktdetaljer
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Välj alla | Attribut | Värde |
|---|---|---|
| Brand | Microchip | |
| Functions | Calendar, NV SRAM | |
| Date Format | DW:DM:M:Y | |
| Time Format | HH:MM:SS | |
| User RAM | 64B | |
| Bus Type | Serial-I2C | |
| Mounting Type | Surface Mount | |
| Package Type | SOIC | |
| Pin Count | 8 | |
| Dimensions | 4.9 x 3.9 x 1.25mm | |
| Length | 4.9mm | |
| Width | 3.9mm | |
| Height | 1.25mm | |
| Maximum Operating Supply Voltage | 5.5 V | |
| Minimum Operating Supply Voltage | 1.8 V | |
| Maximum Operating Temperature | +85 °C | |
| Minimum Operating Temperature | -40 °C | |
| Välj alla | ||
|---|---|---|
Brand Microchip | ||
Functions Calendar, NV SRAM | ||
Date Format DW:DM:M:Y | ||
Time Format HH:MM:SS | ||
User RAM 64B | ||
Bus Type Serial-I2C | ||
Mounting Type Surface Mount | ||
Package Type SOIC | ||
Pin Count 8 | ||
Dimensions 4.9 x 3.9 x 1.25mm | ||
Length 4.9mm | ||
Width 3.9mm | ||
Height 1.25mm | ||
Maximum Operating Supply Voltage 5.5 V | ||
Minimum Operating Supply Voltage 1.8 V | ||
Maximum Operating Temperature +85 °C | ||
Minimum Operating Temperature -40 °C | ||
- COO (Country of Origin):
- TH
MCP7940M I²C Real-Time Clock/Calendars
The Microchip MCP7940M is Real-Time Clock Calendar (RTCC) that supports I²C communications. The MCP7940M includes a digital trimming circuit for accuracy which can compensate for crystal tolerance and temperature.
The MCP7940M features a multi-functional output that can be configured as an alarm output, to output a selectable frequency square wave or as a general purpose output.
The MCP7940M features a multi-functional output that can be configured as an alarm output, to output a selectable frequency square wave or as a general purpose output.
Features
2-Wire Serial Interface, I²C™ Compatible: I²C clock rate up to 400 kHz
On-Chip Digital Trimming/Calibration: ±1 ppm resolution, ±129 ppm range
Tracks Hours, Minutes, Seconds, Day of Week, Day, Month and Year
Leap Year Compensated to 2399
12/24 Hour Modes
Oscillator for 32.768 kHz Crystals: Optimised for 6-9 pF crystals
Dual Programmable Alarms
Versatile Output Pin
Wide Operating Voltage Range: 1.8V to 5.5V
Low Typical Timekeeping Current: 1.2μA at 3.3V
On-Chip Digital Trimming/Calibration: ±1 ppm resolution, ±129 ppm range
Tracks Hours, Minutes, Seconds, Day of Week, Day, Month and Year
Leap Year Compensated to 2399
12/24 Hour Modes
Oscillator for 32.768 kHz Crystals: Optimised for 6-9 pF crystals
Dual Programmable Alarms
Versatile Output Pin
Wide Operating Voltage Range: 1.8V to 5.5V
Low Typical Timekeeping Current: 1.2μA at 3.3V
Real Time Clock Peripherals - Microchip
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