Microchip, Real Time Clock 64 bit DW:DM:M:Y, 8-Pin PDIP Through Hole
- RS Stock No.:
- 774-7403
- Mfr. Part No.:
- MCP7940M-I/P
- Brand:
- Microchip
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Subtotal (1 bag of 10 units)*
$14.46
(exc. GST)
$15.91
(inc. GST)
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In Stock
- 50 unit(s) ready to ship from another location
- Plus 210 unit(s) shipping from 08 June 2026
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Units | Per unit | Per Bag* |
|---|---|---|
| 10 + | $1.446 | $14.46 |
*price indicative
- RS Stock No.:
- 774-7403
- Mfr. Part No.:
- MCP7940M-I/P
- Brand:
- Microchip
Specifications
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Microchip | |
| Product Type | Real Time Clock | |
| Date Format | DW:DM:M:Y | |
| Time Format | HH:MM:SS | |
| Mount Type | Through Hole | |
| Interface Type | I2C | |
| Package Type | PDIP | |
| Pin Count | 8 | |
| Minimum Operating Temperature | -40°C | |
| RTC Memory Size | 64bit | |
| Maximum Operating Temperature | 85°C | |
| Series | MCP794 | |
| Standards/Approvals | No | |
| Length | 10.16mm | |
| Height | 4.95mm | |
| Minimum Supply Voltage | 1.8V | |
| Maximum Supply Voltage | 5.5V | |
| Automotive Standard | No | |
| Select all | ||
|---|---|---|
Brand Microchip | ||
Product Type Real Time Clock | ||
Date Format DW:DM:M:Y | ||
Time Format HH:MM:SS | ||
Mount Type Through Hole | ||
Interface Type I2C | ||
Package Type PDIP | ||
Pin Count 8 | ||
Minimum Operating Temperature -40°C | ||
RTC Memory Size 64bit | ||
Maximum Operating Temperature 85°C | ||
Series MCP794 | ||
Standards/Approvals No | ||
Length 10.16mm | ||
Height 4.95mm | ||
Minimum Supply Voltage 1.8V | ||
Maximum Supply Voltage 5.5V | ||
Automotive Standard No | ||
- 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.
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