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 ...
PCF8564ACX9/1,005
PCF8564ACX9/1,005
Leadtime
2-3 weeks
NXP USA Inc.IC RTC CLK/CALENDAR I2C DIEBulk-ObsoleteClock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1 V ~ 5.5 V-0.6µA ~ 0.75µA @ 2V ~ 5V-40°C ~ 85°CSurface MountDieDie
PCF8564ACX9/B/1,02
PCF8564ACX9/B/1,02
Leadtime
2-3 weeks
NXP USA Inc.IC RTC CLK/CALENDAR I2C DIETape & Reel (TR)-ObsoleteClock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1 V ~ 5.5 V-0.6µA ~ 0.75µA @ 2V ~ 5V-40°C ~ 85°CSurface MountDieDie
PCF2123U/10AA/1,00
PCF2123U/10AA/1,00
12298+0.363922
Increments of 12298
Leadtime
2-3 weeks
NXP USA Inc.IC RTC CLK/CALENDAR SPI DIEBulk-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddSPI1.6 V ~ 5.5 V-0.33µA ~ 0.38µA @ 2V ~ 5V-40°C ~ 85°CSurface MountDieDie
PCF2127AT/1,518
PCF2127AT/1,518
Leadtime
2-3 weeks
NXP USA Inc.IC RTC CLK/CAL I2C/SPI 20-SOICTape & Reel (TR)-ObsoleteClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer512BHH: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
DS3231M+TRL
DS3231M+TRL
1000+3.72
Increments of 1000
Leadtime
2-3 weeks
Maxim IntegratedIC RTC CLK/CALENDAR I2C 16-SOICTape & Reel (TR)-ActiveClock/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 Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
DS3231M+
DS3231M+
1+7.82353
10+7.43235
25+6.85294
50+6.51039
100+5.89225
Increments of 1
Leadtime
2-3 weeks
Maxim IntegratedIC RTC CLK/CALENDAR I2C 16-SOICTube-ActiveClock/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 Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
DS1307ZN+T&R/C02
DS1307ZN+T&R/C02
2500+1.596
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 Serial4.5 V ~ 5.5 V2 V ~ 3.5 V200µA @ 5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
DS1307Z+T&R/C01
DS1307Z+T&R/C01
2500+1.452
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 Serial4.5 V ~ 5.5 V2 V ~ 3.5 V200µA @ 5V0°C ~ 70°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
DS1302Z+T&R/C07
DS1302Z+T&R/C07
2500+1.464
Increments of 2500
Leadtime
2-3 weeks
Maxim IntegratedIC RTC CLK/CALENDAR SER 8-SOICTape & Reel (TR)-ActiveClock/CalendarLeap Year, NVSRAM, Trickle-Charger31BHH:MM:SS (12/24 hr)YY-MM-DD-dd3-Wire Serial2 V ~ 5.5 V2 V ~ 5.5 V0.3µA ~ 1µA @ 2V ~ 5V0°C ~ 70°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
DS17887-3IND+
DS17887-3IND+
1+30.1667
10+28.6588
25+26.451
50+25.1286
100+22.7452
Increments of 1
Leadtime
2-3 weeks
Maxim IntegratedIC RTC CLK/CALENDAR PAR 24-EDIPTube-ActiveClock/CalendarAlarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output8KBHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel2.7 V ~ 3.7 V2.5 V ~ 3.7 V2mA @ 2.7V ~ 3.7V-40°C ~ 85°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
M41ST87WSS6F-Cut
M41ST87WSS6F
1+5.68627
10+5.10686
100+4.18441
500+3.56208
Increments of 1
Leadtime
2-3 weeks
STMicroelectronicsIC RTC CLK/CALENDAR I2C 20-SSOPCut Tape (CT)-ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer128BHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 3.6 V2.5 V ~ 3.6 V0.5mA @ 2.7V ~ 3.6V-40°C ~ 85°CSurface Mount20-SSOP (0.209", 5.30mm Width)20-SSOP
M41ST87WSS6F
M41ST87WSS6F
1350+2.91667
2700+2.77083
Increments of 1350
Leadtime
2-3 weeks
STMicroelectronicsIC RTC CLK/CALENDAR I2C 20-SSOPTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer128BHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 3.6 V2.5 V ~ 3.6 V0.5mA @ 2.7V ~ 3.6V-40°C ~ 85°CSurface Mount20-SSOP (0.209", 5.30mm Width)20-SSOP
PCF2129AT/1,518
PCF2129AT/1,518
Leadtime
2-3 weeks
NXP USA Inc.IC RTC CLK/CALENDAR I2C 20-SOICTape & Reel (TR)-ObsoleteClock/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
PCF2123BS/1,518
PCF2123BS/1,518
6000+0.440598
12000+0.424029
Increments of 6000
Leadtime
2-3 weeks
NXP USA Inc.IC RTC CLK/CALENDAR SPI 16-HVQFNTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddSPI1.6 V ~ 5.5 V-0.33µA ~ 0.38µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount16-VFQFN Exposed Pad16-HVQFN (3x3)
ISL12022MIBZ-T-Cut
ISL12022MIBZ-T
1+5.91177
10+5.34118
100+4.42176
500+3.85039
Increments of 1
Leadtime
2-3 weeks
IntersilIC RTC CLK/CALENDAR I2C 20-SOICCut Tape (CT)-ActiveClock/CalendarAlarm, Daylight Savings, Leap Year, SRAM128BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V14µA ~ 15µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SOIC
DS1342U+T&R
DS1342U+T&R
3000+1.188
Increments of 3000
Leadtime
2-3 weeks
Maxim IntegratedIC RTC CLK/CALENDAR I2C 8-USOPTape & 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-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uMAX
DS1342U+
DS1342U+
1+2.59804
10+2.46863
25+2.28431
50+2.1702
100+1.96078
Increments of 1
Leadtime
2-3 weeks
Maxim IntegratedIC RTC CLK/CALENDAR I2C 8-USOPTube-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-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uMAX
DS1341U+T&R
DS1341U+T&R
3000+1.188
Increments of 3000
Leadtime
2-3 weeks
Maxim IntegratedIC RTC CLK/CALENDAR I2C 8-USOPTape & 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-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uMAX
DS1341U+
DS1341U+
1+2.59804
10+2.46863
25+2.28431
50+2.1702
100+1.96078
Increments of 1
Leadtime
2-3 weeks
Maxim IntegratedIC RTC CLK/CALENDAR I2C 8-USOPTube-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-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uMAX
PCA21125T/Q900/1,1-Cut
PCA21125T/Q900/1,1
1+1.7549
10+1.57843
100+1.26902
500+1.04263
1000+0.863892
Increments of 1
Leadtime
2-3 weeks
NXP USA Inc.IC RTC CLK/CALENDAR SPI 14-TSSOPCut Tape (CT)-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddSPI1.6 V ~ 5.5 V-30.3µA @ 2V ~ 5V-40°C ~ 125°CSurface Mount14-TSSOP (0.173", 4.40mm Width)14-TSSOP
PCA21125T/Q900/1,1
PCA21125T/Q900/1,1
2500+0.780882
5000+0.751961
12500+0.723039
Increments of 2500
Leadtime
2-3 weeks
NXP USA Inc.IC RTC CLK/CALENDAR SPI 14-TSSOPTape & Reel (TR)-ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddSPI1.6 V ~ 5.5 V-30.3µA @ 2V ~ 5V-40°C ~ 125°CSurface Mount14-TSSOP (0.173", 4.40mm Width)14-TSSOP
PCF2123BS/1,512
PCF2123BS/1,512
1+1.15686
10+1.02647
25+0.927451
100+0.811667
250+0.712235
Increments of 1
Leadtime
2-3 weeks
NXP USA Inc.IC RTC CLK/CALENDAR SPI 16-HVQFNTube-Clock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddSPI1.6 V ~ 5.5 V-0.33µA ~ 0.38µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount16-VFQFN Exposed Pad16-HVQFN (3x3)
BQ32000D
BQ32000D
1+2.34314
10+2.1049
100+1.69147
500+1.38971
1000+1.15147
Increments of 1
Leadtime
2-3 weeks
Texas InstrumentsIC RTC CLK/CALENDAR I2C 8-SOICTube-ActiveClock/CalendarLeap Year, Square Wave Output, Trickle-Charger-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial3 V ~ 3.6 V1.4 V ~ 3.6 V100µA @ 3.3V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
PCF2127AT/1,512
PCF2127AT/1,512
Leadtime
2-3 weeks
NXP USA Inc.IC RTC CLK/CAL I2C/SPI 20-SOICTube-ObsoleteClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer512BHH: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
PCF2129AT/1,512
PCF2129AT/1,512
Leadtime
2-3 weeks
NXP USA Inc.IC RTC CLK/CALENDAR I2C 20-SOICTube-ObsoleteClock/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