- RS-artikelnummer:
- 177-0837
- Tillv. art.nr:
- MCP7940N-E/SN
- Tillverkare / varumärke:
- Microchip
- RS-artikelnummer:
- 177-0837
- Tillv. art.nr:
- MCP7940N-E/SN
- Tillverkare / varumärke:
- Microchip
Datablad
Lagstiftning och ursprungsland
Produktdetaljer
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
Specifikationer
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 Temperature | -40 °C |
Maximum Operating Temperature | +125 °C |
Minimum Operating Supply Voltage | 1.8 V |