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The MCP79410 general-purpose I2C™Compatible real-time clock/calendar (RTCC) is highly integrated with nonvolatile memory and advanced features normally found in higher priced devices. These features include a battery switchover circuit for backup power, a timestamp to log power failures and digital trimming for accuracy. Using a low-cost 32.768 kHz crystal or other clock source, time is tracked in either a 12-hour or 24-hour format with an AM/PM indicator and timing to the second, minute, hour, day of the week, day, month and year. As an interrupt or wakeup signal, a multifunction open drain output can be programmed as an Alarm Out or as a Clock Out that supports 4 selectable frequencies. In addition, non-volatile memory is included along with a Unique ID in a locked section of EEPROM that can be unlocked and programmed by the End User.
Features:

Low Power Operation — V_CC Min. = 1.8 V —I_CC <5 μA Typical Dynamic Current

Low Backup Power — VBAT Min. = 1.3 V —IBAT <700 nA

Dual alarms with single IRQ Output that operates on VCC or VBAT

Digital Trimming Range from -127 to +127 ppm in 1 ppm steps

EEPROM has 8 Bytes/Page with Block Sector write protection

Bus Type	Serial-I2C
Current, Leakage	1 μA
Current, Supply	5 μA
Date Format	DW:DM:M:Y
Dimensions	3.00 x 3.00 x 0.95 mm
Frequency	400 kHz
Function	Battery Backup, Calendar, Clock, Timekeeping RAM
Height	0.037" (0.95mm)
Length	0.118" (3mm)
Memory Capacity	1 kbits
Mounting Type	Surface Mount
Number of Pins	8
Operating Voltage Range	1.8 to 5.5 V
Package Type	MSOP
Speed	400 kHz
Supply Voltage	1.8 V
Temperature, Operating	–40 to +125 °C
Temperature, Operating, Maximum	+85 °C
Temperature, Operating, Minimum	-40 °C
Temperature, Operating, Range	-40 to +85 °C
Time Format	HH:MM:SS
Type	RTC
User RAM	64 B
Voltage, Battery	1.3 V
Voltage, Input, High Level	0.7 V
Voltage, Input, Low Level	0.3 V
Voltage, Output, Low Level	0.4 V
Width	0.118" (3mm)
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• Veeder-Root
  Counter; Ratchet Drive; Base Mount; 5; 0.187 in.; Left/Right Hand; 0.156 in.
  
  型号：727235-001
  仓库库存编号：70132837
  
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Bus Type Serial-I2C  Microchip Technology Inc. Bus Type Serial-I2C  Real Time Clocks Bus Type Serial-I2C  Microchip Technology Inc. Real Time Clocks Bus Type Serial-I2C   Current, Leakage 1 μA  Microchip Technology Inc. Current, Leakage 1 μA  Real Time Clocks Current, Leakage 1 μA  Microchip Technology Inc. Real Time Clocks Current, Leakage 1 μA   Current, Supply 5 μA  Microchip Technology Inc. Current, Supply 5 μA  Real Time Clocks Current, Supply 5 μA  Microchip Technology Inc. Real Time Clocks Current, Supply 5 μA   Date Format DW:DM:M:Y  Microchip Technology Inc. Date Format DW:DM:M:Y  Real Time Clocks Date Format DW:DM:M:Y  Microchip Technology Inc. Real Time Clocks Date Format DW:DM:M:Y   Dimensions 3.00 x 3.00 x 0.95 mm  Microchip Technology Inc. Dimensions 3.00 x 3.00 x 0.95 mm  Real Time Clocks Dimensions 3.00 x 3.00 x 0.95 mm  Microchip Technology Inc. Real Time Clocks Dimensions 3.00 x 3.00 x 0.95 mm   Frequency 400 kHz  Microchip Technology Inc. Frequency 400 kHz  Real Time Clocks Frequency 400 kHz  Microchip Technology Inc. Real Time Clocks Frequency 400 kHz   Function Battery Backup, Calendar, Clock, Timekeeping RAM  Microchip Technology Inc. Function Battery Backup, Calendar, Clock, Timekeeping RAM  Real Time Clocks Function Battery Backup, Calendar, Clock, Timekeeping RAM  Microchip Technology Inc. Real Time Clocks Function Battery Backup, Calendar, Clock, Timekeeping RAM   Height 0.037" (0.95mm)  Microchip Technology Inc. Height 0.037" (0.95mm)  Real Time Clocks Height 0.037" (0.95mm)  Microchip Technology Inc. Real Time Clocks Height 0.037" (0.95mm)   Length 0.118" (3mm)  Microchip Technology Inc. Length 0.118" (3mm)  Real Time Clocks Length 0.118" (3mm)  Microchip Technology Inc. Real Time Clocks Length 0.118" (3mm)   Memory Capacity 1 kbits  Microchip Technology Inc. Memory Capacity 1 kbits  Real Time Clocks Memory Capacity 1 kbits  Microchip Technology Inc. Real Time Clocks Memory Capacity 1 kbits   Mounting Type Surface Mount  Microchip Technology Inc. Mounting Type Surface Mount  Real Time Clocks Mounting Type Surface Mount  Microchip Technology Inc. Real Time Clocks Mounting Type Surface Mount   Number of Pins 8  Microchip Technology Inc. Number of Pins 8  Real Time Clocks Number of Pins 8  Microchip Technology Inc. Real Time Clocks Number of Pins 8   Operating Voltage Range 1.8 to 5.5 V  Microchip Technology Inc. Operating Voltage Range 1.8 to 5.5 V  Real Time Clocks Operating Voltage Range 1.8 to 5.5 V  Microchip Technology Inc. Real Time Clocks Operating Voltage Range 1.8 to 5.5 V   Package Type MSOP  Microchip Technology Inc. Package Type MSOP  Real Time Clocks Package Type MSOP  Microchip Technology Inc. Real Time Clocks Package Type MSOP   Speed 400 kHz  Microchip Technology Inc. Speed 400 kHz  Real Time Clocks Speed 400 kHz  Microchip Technology Inc. Real Time Clocks Speed 400 kHz   Supply Voltage 1.8 V  Microchip Technology Inc. Supply Voltage 1.8 V  Real Time Clocks Supply Voltage 1.8 V  Microchip Technology Inc. Real Time Clocks Supply Voltage 1.8 V   Temperature, Operating –40 to +125 °C  Microchip Technology Inc. Temperature, Operating –40 to +125 °C  Real Time Clocks Temperature, Operating –40 to +125 °C  Microchip Technology Inc. Real Time Clocks Temperature, Operating –40 to +125 °C   Temperature, Operating, Maximum +85 °C  Microchip Technology Inc. Temperature, Operating, Maximum +85 °C  Real Time Clocks Temperature, Operating, Maximum +85 °C  Microchip Technology Inc. Real Time Clocks Temperature, Operating, Maximum +85 °C   Temperature, Operating, Minimum -40 °C  Microchip Technology Inc. Temperature, Operating, Minimum -40 °C  Real Time Clocks Temperature, Operating, Minimum -40 °C  Microchip Technology Inc. Real Time Clocks Temperature, Operating, Minimum -40 °C   Temperature, Operating, Range -40 to +85 °C  Microchip Technology Inc. Temperature, Operating, Range -40 to +85 °C  Real Time Clocks Temperature, Operating, Range -40 to +85 °C  Microchip Technology Inc. Real Time Clocks Temperature, Operating, Range -40 to +85 °C   Time Format HH:MM:SS  Microchip Technology Inc. Time Format HH:MM:SS  Real Time Clocks Time Format HH:MM:SS  Microchip Technology Inc. Real Time Clocks Time Format HH:MM:SS   Type RTC  Microchip Technology Inc. Type RTC  Real Time Clocks Type RTC  Microchip Technology Inc. Real Time Clocks Type RTC   User RAM 64 B  Microchip Technology Inc. User RAM 64 B  Real Time Clocks User RAM 64 B  Microchip Technology Inc. Real Time Clocks User RAM 64 B   Voltage, Battery 1.3 V  Microchip Technology Inc. Voltage, Battery 1.3 V  Real Time Clocks Voltage, Battery 1.3 V  Microchip Technology Inc. Real Time Clocks Voltage, Battery 1.3 V   Voltage, Input, High Level 0.7 V  Microchip Technology Inc. Voltage, Input, High Level 0.7 V  Real Time Clocks Voltage, Input, High Level 0.7 V  Microchip Technology Inc. Real Time Clocks Voltage, Input, High Level 0.7 V   Voltage, Input, Low Level 0.3 V  Microchip Technology Inc. Voltage, Input, Low Level 0.3 V  Real Time Clocks Voltage, Input, Low Level 0.3 V  Microchip Technology Inc. Real Time Clocks Voltage, Input, Low Level 0.3 V   Voltage, Output, Low Level 0.4 V  Microchip Technology Inc. Voltage, Output, Low Level 0.4 V  Real Time Clocks Voltage, Output, Low Level 0.4 V  Microchip Technology Inc. Real Time Clocks Voltage, Output, Low Level 0.4 V   Width 0.118" (3mm)  Microchip Technology Inc. Width 0.118" (3mm)  Real Time Clocks Width 0.118" (3mm)  Microchip Technology Inc. Real Time Clocks Width 0.118" (3mm)