ManufacturerPackagingSeriesPart StatusTypeFeaturesMemory SizeTime FormatDate FormatInterfaceVoltage - SupplyVoltage - Supply, BatteryCurrent - Timekeeping (Max)Operating TemperatureMounting TypePackage / CaseSupplier Device Package
Supplier Part Number
Manufacturer Part Number
PriceStock
Manufacturer
Description
Packaging
Series
Part Status
Type
Features
Memory Size
Time Format
Date Format
Interface
Voltage - Supply
Voltage - Supply, ...
Current - Timekeeping ...
Operating Temperature ...
Mounting Type
Package / Case
Supplier Device Package ...
RTC-7301SF:B3 ROHS
RTC-7301SF:B3 ROHS
250+5.56667
500+5.07549
750+4.68255
1250+4.42059
Increments of 250
Leadtime
2-3 weeks		EPSONIC RTC CLK/CALENDAR PAR 24-SSOPTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year-HH:MM:SS (24 hr)YY-MM-DD-ddParallel2.4 V ~ 5.5 V-1µA ~ 2µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount24-SOP (0.213", 5.40mm Width)24-SSOP
RTC-4701NB:B3 ROHS
RTC-4701NB:B3 ROHS
250+3.5549
500+3.1898
750+2.88235
1250+2.6902
2500+2.55569
Increments of 250
Leadtime
2-3 weeks		EPSONIC RTC CLK/CALENDAR SER 22-SONTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year-HH:MM:SS (24 hr)YY-MM-DD-dd3-Wire Serial1.6 V ~ 5.5 V---40°C ~ 85°CSurface Mount22-LFDFN22-SON (5x6)
RTC-4701JE:B3 ROHS
RTC-4701JE:B3 ROHS
250+3.28286
500+2.94569
750+2.66176
1250+2.48431
2500+2.3601
Increments of 250
Leadtime
2-3 weeks		EPSONIC RTC CLK/CALENDAR SER 20-VSOJTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year-HH:MM:SS (24 hr)YY-MM-DD-dd3-Wire Serial1.6 V ~ 5.5 V---40°C ~ 85°CSurface Mount20-LSSOJ (0.213", 5.40mm Width)20-VSOJ
RTC-4574NB:B3 ROHS
RTC-4574NB:B3 ROHS
250+3.15588
500+2.83176
750+2.55882
1250+2.38824
2500+2.26882
Increments of 250
Leadtime
2-3 weeks		EPSONIC RTC CLK/CALENDAR SER 22-SONTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year-HH:MM:SS (24 hr)YY-MM-DD-dd3-Wire Serial1.6 V ~ 5.5 V-1µA ~ 2µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount22-LFDFN22-SON (5x6)
RTC-4574JE:B3 ROHS
RTC-4574JE:B3 ROHS
250+3.13776
500+2.81549
750+2.54412
1250+2.37451
2500+2.25578
Increments of 250
Leadtime
2-3 weeks		EPSONIC RTC CLK/CALENDAR SER 20-VSOJTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year-HH:MM:SS (24 hr)YY-MM-DD-dd3-Wire Serial1.6 V ~ 5.5 V-1µA ~ 2µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount20-LSSOJ (0.213", 5.40mm Width)20-VSOJ
RTC-4543SB:B3 ROHS
RTC-4543SB:B3 ROHS
250+2.26718
500+2.03431
750+1.83824
1250+1.71569
2500+1.6299
Increments of 250
Leadtime
2-3 weeks		EPSONIC RTC CLK/CALENDAR SER 18-SOPTape & Reel (TR)-ActiveClock/CalendarLeap Year-HH:MM:SS (24 hr)YY-MM-DD-dd3-Wire Serial2.5 V ~ 5.5 V-1µA ~ 3µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount18-SOIC (0.209", 5.30mm Width)18-SOP
RA-8565SA:B3 ROHS
RA-8565SA:B3 ROHS
Leadtime
2-3 weeks		EPSONIC RTC CLK/CALENDAR I2C 14-SOPTape & Reel (TR)-ObsoleteClock/CalendarAlarm, Leap Year-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V-1µA ~ 1.8µA @ 3V ~ 5V-40°C ~ 125°CSurface Mount14-SOIC (0.209", 5.30mm Width)14-SOP
RA-4574SA:B3 ROHS
RA-4574SA:B3 ROHS
Leadtime
2-3 weeks		EPSONIC RTC CLK/CALENDAR SER 14-SOPTape & Reel (TR)Automotive, AEC-Q200ObsoleteClock/CalendarAlarm, Leap Year-HH:MM:SS (24 hr)YY-MM-DD-dd3-Wire Serial1.6 V ~ 5.5 V-1µA ~ 2µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount14-SOIC (0.209", 5.30mm Width)14-SOP
RA-4565SA:B3 ROHS
RA-4565SA:B3 ROHS
Leadtime
2-3 weeks		EPSONIC RTC CLK/CALENDAR SER 14-SOPTape & Reel (TR)Automotive, AEC-Q200ObsoleteClock/CalendarAlarm, Leap Year-HH:MM:SS (24 hr)YY-MM-DD-dd4-Wire Serial1.6 V ~ 5.5 V-1.6µA ~ 2µA @ 3V ~ 5V-40°C ~ 125°CSurface Mount14-SOIC (0.209", 5.30mm Width)14-SOP
RTC-7301DG:BS ROHS
RTC-7301DG:BS ROHS
1+6.17647
10+5.55882
25+5.06471
100+4.57059
250+4.2
Increments of 1
Leadtime
2-3 weeks		EPSONIC RTC CLK/CALENDAR PAR 18-DIPTube-ActiveClock/CalendarAlarm, Leap Year-HH:MM:SS (24 hr)YY-MM-DD-ddParallel2.4 V ~ 5.5 V-1µA ~ 2µA @ 3V ~ 5V-40°C ~ 85°CThrough Hole18-DIP (0.300", 7.62mm)18-DIP
MCP79401T-I/MNY-Cut
MCP79401T-I/MNY
Leadtime
2-3 weeks		Microchip TechnologyIC RTC CLK/CALENDAR I2C 8-TDFNCut Tape (CT)-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA (Typ) @ 3.3V-40°C ~ 85°CSurface Mount8-WFDFN Exposed Pad8-TDFN (2x3)
MCP79401T-I/MNY
MCP79401T-I/MNY
3300+0.870961
Increments of 3300
Leadtime
2-3 weeks		Microchip TechnologyIC RTC CLK/CALENDAR I2C 8-TDFNTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA (Typ) @ 3.3V-40°C ~ 85°CSurface Mount8-WFDFN Exposed Pad8-TDFN (2x3)
MCP7940N-I/ST
MCP7940N-I/ST
1+0.784314
25+0.727059
100+0.686667
Increments of 1
Leadtime
2-3 weeks		Microchip TechnologyIC RTC CLK/CALENDAR I2C 8-TSSOPTube-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA @ 3.3V-40°C ~ 85°CSurface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
MCP7940N-I/SN
MCP7940N-I/SN
1+0.745098
25+0.686667
100+0.656373
Increments of 1
Leadtime
2-3 weeks		Microchip TechnologyIC RTC CLK/CALENDAR I2C 8-SOICTube-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA @ 3.3V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
MCP7940N-I/MS
MCP7940N-I/MS
1+0.784314
25+0.727059
100+0.686667
Increments of 1
Leadtime
2-3 weeks		Microchip TechnologyIC RTC CLK/CALENDAR I2C 8-MSOPTube-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA @ 3.3V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-MSOP
MCP79401-I/ST
MCP79401-I/ST
1+0.95098
25+0.878431
100+0.833137
Increments of 1
Leadtime
2-3 weeks		Microchip TechnologyIC RTC CLK/CALENDAR I2C 8-TSSOPTube-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA (Typ) @ 3.3V-40°C ~ 85°CSurface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
MCP79401-I/SN
MCP79401-I/SN
1+0.911765
25+0.838039
100+0.797745
Increments of 1
Leadtime
2-3 weeks		Microchip TechnologyIC RTC CLK/CALENDAR I2C 8-SOICTube-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA (Typ) @ 3.3V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
MCP79401-I/MS
MCP79401-I/MS
1+0.95098
25+0.878431
100+0.828039
Increments of 1
Leadtime
2-3 weeks		Microchip TechnologyIC RTC CLK/CALENDAR I2C 8-MSOPTube-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA (Typ) @ 3.3V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-MSOP
PCF8563TS/5,118-Cut
PCF8563TS/5,118
1+1.11765
10+1.00098
100+0.780392
500+0.644667
1000+0.508941
Increments of 1
Leadtime
2-3 weeks		NXP USA Inc.IC RTC CLK/CALENDAR I2C 8-TSSOPCut Tape (CT)-ActiveClock/CalendarAlarm, Leap Year, Watchdog Timer-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V-0.6µA ~ 0.75µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-TSSOP
PCF8563T/5,518-Cut
PCF8563T/5,518
1+0.823529
10+0.728431
100+0.558235
500+0.441294
1000+0.353039
Increments of 1
Leadtime
2-3 weeks		NXP USA Inc.IC RTC CLK/CALENDAR I2C 8-SOICCut Tape (CT)-ActiveClock/CalendarAlarm, Leap Year, Watchdog Timer-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V-0.6µA ~ 0.75µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SO
PCF8523TS/1,118-Cut
PCF8523TS/1,118
1+1.30392
10+1.16765
100+0.910392
500+0.752098
1000+0.593765
Increments of 1
Leadtime
2-3 weeks		NXP USA Inc.IC RTC CLK/CALENDAR I2C 14-TSSOPCut Tape (CT)-ActiveClock/CalendarAlarm, Leap Year, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.6 V ~ 5.5 V1.8 V ~ 5.5 V0.5µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount14-TSSOP (0.173", 4.40mm Width)14-TSSOP
PCF8523TK/1,118-Cut
PCF8523TK/1,118
1+1.30392
10+1.16765
100+0.910392
500+0.752098
1000+0.593765
Increments of 1
Leadtime
2-3 weeks		NXP USA Inc.IC RTC CLK/CALENDAR I2C 8-HVSONCut Tape (CT)-ActiveClock/CalendarAlarm, Leap Year, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.6 V ~ 5.5 V1.8 V ~ 5.5 V0.5µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount8-VDFN Exposed Pad8-HVSON (4x4)
MCP79411T-I/MNY
MCP79411T-I/MNY
3300+0.939118
Increments of 3300
Leadtime
2-3 weeks		Microchip TechnologyIC RTC CLK/CALENDAR I2C 8-TDFNTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA @ 3.3V-40°C ~ 85°CSurface Mount8-WFDFN Exposed Pad8-TDFN (2x3)
PCF8563TS/5,118
PCF8563TS/5,118
2500+0.461176
5000+0.438118
12500+0.421647
Increments of 2500
Leadtime
2-3 weeks		NXP USA Inc.IC RTC CLK/CALENDAR I2C 8-TSSOPTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year, Watchdog Timer-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V-0.6µA ~ 0.75µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-TSSOP
PCF8563T/5,518
PCF8563T/5,518
2500+0.310608
5000+0.289196
12500+0.27848
25000+0.267775
Increments of 2500
Leadtime
2-3 weeks		NXP USA Inc.IC RTC CLK/CALENDAR I2C 8-SOICTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year, Watchdog Timer-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V-0.6µA ~ 0.75µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SO