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 ...
PCF2129T/2,518
PCF2129T/2,518
1000+1.68824
2000+1.60382
5000+1.54353
Increments of 1000
Leadtime
2-3 weeks		NXP USA Inc.IC RTC CLK/CAL I2C/SPI 16-SOICTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 4.2 V1.8 V ~ 4.2 V1.5µA @ 3.3V-40°C ~ 85°CSurface Mount16-SOIC (0.295", 7.50mm Width)16-SO
PCF2129AT/2,518
PCF2129AT/2,518
2000+1.3952
6000+1.34275
Increments of 2000
Leadtime
2-3 weeks		NXP USA Inc.IC RTC CLK/CAL I2C/SPI 20-SOICTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 4.2 V1.8 V ~ 4.2 V1.5µA @ 3.3V-40°C ~ 85°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SO
DS1341T+
DS1341T+
1+2.70588
10+2.55
25+2.04
50+1.93804
100+1.785
Increments of 1
Leadtime
2-3 weeks		Maxim IntegratedIC RTC CLK/CALENDAR I2C 8-TDFNTube-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V-0.5µA ~ 0.6µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-WDFN Exposed Pad8-TDFN (3x3)
DS1683S+T&R
DS1683S+T&R
2500+1.98002
Increments of 2500
Leadtime
2-3 weeks		Maxim IntegratedIC RTC ELAPSED CNT I2C 8-SOICTape & Reel (TR)-ActiveElapsed Time CounterAlarm, EEPROM16BBinaryBinaryI²C, 2-Wire Serial2.5 V ~ 5.5 V---40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
DS1339AD+T
DS1339AD+T
Leadtime
2-3 weeks		Maxim IntegratedIC RTC CLK/CAL I2C 8TDFNTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Trickle-Charger-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.71 V ~ 5.5 V1.3 V ~ 3.7 V200µA @ 1.71V ~ 5.5V-40°C ~ 85°CSurface Mount-8-TDFN EP
DS1683S+
DS1683S+
1+4.10784
10+3.90294
25+3.60784
50+3.42745
100+3.09804
Increments of 1
Leadtime
2-3 weeks		Maxim IntegratedIC RTC ELAPSED CNT I2C 8-SOICTube-ActiveElapsed Time CounterAlarm, EEPROM16BBinaryBinaryI²C, 2-Wire Serial2.5 V ~ 5.5 V---40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
DS1390U-33+T&R-Cut
DS1390U-33+T&R
1+3.31373
10+3.12549
25+2.5
50+2.3751
100+2.18755
Increments of 1
Leadtime
2-3 weeks		Maxim IntegratedIC RTC CLK/CALENDAR SPI 10-USOPCut Tape (CT)-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Trickle-Charger-HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddSPI2.97 V ~ 5.5 V1.3 V ~ 5.5 V175µA @ 2.97V ~ 5.5V-40°C ~ 85°CSurface Mount10-TFSOP, 10-MSOP (0.118", 3.00mm Width)10-µSOP
DS1338Z-33+T&R-Cut
DS1338Z-33+T&R
1+3.31373
10+3.12549
25+2.5
50+2.3751
100+2.18755
Increments of 1
Leadtime
2-3 weeks		Maxim IntegratedIC RTC CLK/CALENDAR I2C 8-SOICCut Tape (CT)-ActiveClock/CalendarLeap Year, NVSRAM, Square Wave Output56BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial3 V ~ 5.5 V1.3 V ~ 3.7 V125µA ~ 200µA @ 3.63V ~ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
DS1338C-33#T&R-Cut
DS1338C-33#T&R
1+5.9902
10+5.65
25+4.52
50+4.29412
100+3.955
Increments of 1
Leadtime
2-3 weeks		Maxim IntegratedIC RTC CLK/CALENDAR I2C 16-SOICCut Tape (CT)-ActiveClock/CalendarLeap Year, NVSRAM, Square Wave Output56BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial3 V ~ 5.5 V1.3 V ~ 3.7 V125µA ~ 200µA @ 3.63V ~ 5.5V-40°C ~ 85°CSurface Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
DS1339AU+
DS1339AU+
1+3.51961
10+3.34412
25+3.08824
50+2.93392
100+2.64706
Increments of 1
Leadtime
2-3 weeks		Maxim IntegratedIC RTC CLK/CALENDAR I2C 8-USOPTube-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Trickle-Charger-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.71 V ~ 5.5 V1.3 V ~ 3.7 V200µA @ 1.71V ~ 5.5V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uMAX
DS1308U-33+
DS1308U-33+
1+3.44118
10+3.26961
25+3.01961
50+2.86863
100+2.59804
Increments of 1
Leadtime
2-3 weeks		Maxim IntegratedIC RTC CLK/CALENDAR I2C 8-UMAXTube-ActiveClock/CalendarLeap Year, NVSRAM, Square Wave Output56BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial3 V ~ 5.5 V1.3 V ~ 5.5 V125µA ~ 200µA @ 3V ~ 5.5V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uMAX
DS1308U-3+
DS1308U-3+
200+2.59804
Increments of 200
Leadtime
2-3 weeks		Maxim IntegratedIC RTC CLK/CALENDAR I2C 8-UMAXTube-ActiveClock/CalendarLeap Year, NVSRAM, Square Wave Output56BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.3 V ~ 5.5 V--40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uMAX
DS1308U-18+
DS1308U-18+
1+3.44118
10+3.26961
25+3.01961
50+2.86863
100+2.59804
Increments of 1
Leadtime
2-3 weeks		Maxim IntegratedIC RTC CLK/CALENDAR I2C 8-UMAXTube-ActiveClock/CalendarLeap Year, NVSRAM, Square Wave Output56BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.71 V ~ 5.5 V1.3 V ~ 5.5 V100µA @ 200µA @ 1.89V ~ 5.5V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uMAX
DS1342T+T&R
DS1342T+T&R
2500+1.344
Increments of 2500
Leadtime
2-3 weeks		Maxim IntegratedIC RTC CLK/CALENDAR I2C 6-TDFNTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V-0.6µA ~ 0.7µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-WDFN Exposed Pad8-TDFN (3x3)
DS1341T+T&R
DS1341T+T&R
2500+1.116
Increments of 2500
Leadtime
2-3 weeks		Maxim IntegratedIC RTC CLK/CALENDAR I2C 8-TDFNTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V-0.5µA ~ 0.6µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-WDFN Exposed Pad8-TDFN (3x3)
DS3231MZ/V+T
DS3231MZ/V+T
2500+3.54
Increments of 2500
Leadtime
2-3 weeks		Maxim IntegratedIC RTC CLK/CALENDAR I2C 8-SOICTape & Reel (TR)Automotive, AEC-Q100ActiveClock/CalendarAlarm, Leap Year, Square Wave Output-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.3 V ~ 5.5 V2.3 V ~ 5.5 V130µA ~ 200µA @ 3.63V ~ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
DS1339AU+T
DS1339AU+T
3000+1.59805
Increments of 3000
Leadtime
2-3 weeks		Maxim IntegratedIC RTC CLK/CALENDAR I2C 8-USOPTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Trickle-Charger-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.71 V ~ 5.5 V1.3 V ~ 3.7 V200µA @ 1.71V ~ 5.5V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uMAX
DS1338Z-18+T&R
DS1338Z-18+T&R
2500+1.50001
Increments of 2500
Leadtime
2-3 weeks		Maxim IntegratedIC RTC CLK/CALENDAR I2C 8-SOICTape & Reel (TR)-ActiveClock/CalendarLeap Year, NVSRAM, Square Wave Output56BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.71 V ~ 5.5 V1.3 V ~ 3.7 V100µA @ 1.89V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
DS1308U-33+T
DS1308U-33+T
3000+1.62
Increments of 3000
Leadtime
2-3 weeks		Maxim IntegratedIC RTC CLK/CALENDAR I2C 8-UMAXTape & Reel (TR)-ActiveClock/CalendarLeap Year, NVSRAM, Square Wave Output56BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial3 V ~ 5.5 V1.3 V ~ 5.5 V125µA ~ 200µA @ 3V ~ 5.5V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uMAX
DS1308U-3+T
DS1308U-3+T
3000+1.62
Increments of 3000
Leadtime
2-3 weeks		Maxim IntegratedIC RTC CLK/CALENDAR I2C 8-UMAXTape & Reel (TR)-ActiveClock/CalendarLeap Year, NVSRAM, Square Wave Output56BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.3 V ~ 5.5 V--40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uMAX
DS1308U-18+T
DS1308U-18+T
3000+1.56
Increments of 3000
Leadtime
2-3 weeks		Maxim IntegratedIC RTC CLK/CALENDAR I2C 8-UMAXTape & Reel (TR)-ActiveClock/CalendarLeap Year, NVSRAM, Square Wave Output56BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.71 V ~ 5.5 V1.3 V ~ 5.5 V100µA @ 200µA @ 1.89V ~ 5.5V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uMAX
MCP79522T-I/MS
MCP79522T-I/MS
2500+1.13603
Increments of 2500
Leadtime
2-3 weeks		Microchip TechnologyIC RTC CLK/CALENDAR SPI 10-MSOPTape & Reel (TR)-ActiveClock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddSPI1.8 V ~ 3.6 V1.3 V ~ 3.6 V1µA @ 1.8V ~ 3.6V-40°C ~ 85°CSurface Mount10-TFSOP, 10-MSOP (0.118", 3.00mm Width)10-MSOP
MCP79522T-I/MN
MCP79522T-I/MN
3300+1.13603
Increments of 3300
Leadtime
2-3 weeks		Microchip TechnologyIC RTC CLK/CALENDAR SPI 10-TDFNTape & Reel (TR)-ActiveClock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddSPI1.8 V ~ 3.6 V1.3 V ~ 3.6 V1µA @ 1.8V ~ 3.6V-40°C ~ 85°CSurface Mount10-WFDFN Exposed Pad10-TDFN (3x3)
MCP79521T-I/MS
MCP79521T-I/MS
2500+1.13603
Increments of 2500
Leadtime
2-3 weeks		Microchip TechnologyIC RTC CLK/CALENDAR SPI 10-MSOPTape & Reel (TR)-ActiveClock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddSPI1.8 V ~ 3.6 V1.3 V ~ 3.6 V1µA @ 1.8V ~ 3.6V-40°C ~ 85°CSurface Mount10-TFSOP, 10-MSOP (0.118", 3.00mm Width)10-MSOP
MCP79521T-I/MN
MCP79521T-I/MN
3300+1.13603
Increments of 3300
Leadtime
2-3 weeks		Microchip TechnologyIC RTC CLK/CALENDAR SPI 10-TDFNTape & Reel (TR)-ActiveClock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddSPI1.8 V ~ 3.6 V1.3 V ~ 3.6 V1µA @ 1.8V ~ 3.6V-40°C ~ 85°CSurface Mount10-WFDFN Exposed Pad10-TDFN (3x3)