Microchip MCP7940N-E/SN, Real Time Clock (RTC) Serial-I2C, 8-Pin SOIC
- RS Stock No.:
- 177-0837
- Mfr. Part No.:
- MCP7940N-E/SN
- Brand:
- Microchip
350 In Global stock for delivery within 10 working day(s)
Added
Price (ex. GST) Each (In a Pack of 10)
$1.445
(exc. GST)
$1.589
(inc. GST)
| Units | Per unit | Per Pack* |
| 10 - 20 | $1.445 | $14.45 |
| 30 - 40 | $1.409 | $14.09 |
| 50 + | $1.392 | $13.92 |
| *price indicative | ||
- RS Stock No.:
- 177-0837
- Mfr. Part No.:
- MCP7940N-E/SN
- Brand:
- Microchip
Technical data sheets
Legislation and Compliance
Product Details
The MCP7940N series of low-power Real-Time Clocks (RTC) uses digital timing compensation for an accurate clock/calendar, a programmable output control for versatility, and a power sense circuit that automatically switches to the backup supply. Using a low-cost 32.768 kHz crystal, it tracks time using several internal registers.
Battery Backup
64 Bytes Battery-Backed SRAM
2-Wire Serial Interface, I2C™Compatible
I2C Clock Frequency up to 400 kHz
Low-Power
Wide Voltage Range
Operating Voltage 1.8V to 5.5V
Backup Voltage 1.3V to 5.5V
Low Typical Timekeeping Current
Automatic Switchover to Battery Backup
64 Bytes Battery-Backed SRAM
2-Wire Serial Interface, I2C™Compatible
I2C Clock Frequency up to 400 kHz
Low-Power
Wide Voltage Range
Operating Voltage 1.8V to 5.5V
Backup Voltage 1.3V to 5.5V
Low Typical Timekeeping Current
Automatic Switchover to Battery Backup
For products that are Customized and under Non-cancellable & Non-returnable, Sales & Conditions apply.
Specifications
Attribute | Value |
|---|---|
| Date Format | D:M:Y, DW |
| Time Format | HH:MM:SS |
| Bus Type | Serial-I2C |
| Mounting Type | Surface Mount |
| Package Type | SOIC |
| Pin Count | 8 |
| Dimensions | 4.9 x 3.9 x 1.5mm |
| Length | 4.9mm |
| Width | 3.9mm |
| Height | 1.5mm |
| Maximum Operating Supply Voltage | 5.5 V |
| Minimum Operating Supply Voltage | 1.8 V |
| Maximum Operating Temperature | +125 °C |
| Minimum Operating Temperature | -40 °C |