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RTCs

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Mount Packaging Published Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) Number of Terminations ECCN Code Max Operating Temperature Min Operating Temperature Operating Supply Voltage Length RoHS Status Lead Free Contact Plating Radiation Hardening Number of Pins Additional Feature Package / Case Interface Max Supply Voltage REACH SVHC Min Supply Voltage Height Width Thickness Mounting Type Operating Temperature Technology Height Seated (Max) HTS Code Number of Functions Type JESD-609 Code Terminal Finish Terminal Position Peak Reflow Temperature (Cel) Supply Voltage Time@Peak Reflow Temperature-Max (s) Base Part Number Pin Count Temperature Grade Surface Mount Terminal Pitch JESD-30 Code Supply Voltage-Min (Vsup) Operating Temperature (Max) Operating Temperature (Min) Number of Channels Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Adjustable Threshold Supplier Device Package Logic Function Memory Size Function Number of Bits Voltage - Supply Time Format Clock Frequency Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
RX-8581JE:B I2C-BUS RX-8581JE:B I2C-BUS EPSON 0.0000
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0.00000000 download 13 Weeks RX-8581JE Active 1 (Unlimited) ROHS3 Compliant 20-LSSOJ (0.213, 5.40mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 1.8V~5.5V 0.8μA~1.2μA @ 3V~5V
RA-4565SA:B3 ROHS RA-4565SA:B3 ROHS EPSON 0.0000
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0.00000000 download Tape & Reel (TR) Automotive, AEC-Q200 Obsolete 1 (Unlimited) 14-SOIC (0.209, 5.30mm Width) 4-Wire Serial Surface Mount -40°C~125°C Clock/Calendar Alarm, Leap Year 14-SOP 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1.6μA~2μA @ 3V~5V
RX-8581JE:B3 I2C-BUS RX-8581JE:B3 I2C-BUS EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8581JE Active 1 (Unlimited) ROHS3 Compliant 20-LSSOJ (0.213, 5.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 1.8V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.8μA~1.2μA @ 3V~5V
R2025S-E2-FE R2025S-E2-FE RICOH Electronic Devices Co., LTD. 4.5481
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0.00000000 9 Weeks Cut Tape (CT) Active 1 (Unlimited) RoHS Compliant 14-SOIC (0.197, 5.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 120μA~1.8μA @ 3V~5V
RX-4035SA:AAB PURE SN RX-4035SA:AAB PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RX-4035SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) SPI Surface Mount -40°C~85°C Time Event Recorder Alarm 2.4V~5.5V 2.5μA @ 3V 1V~5.5V
RX-4581NB:B0 ROHS RX-4581NB:B0 ROHS EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-4581NB Active 1 (Unlimited) ROHS3 Compliant 22-SMD, 20 Leads, Flat Leads SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, SRAM 22-SON 16B 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.8μA~1.2μA @ 3V~5V
RX-8581JE:B0 I2C-BUS RX-8581JE:B0 I2C-BUS EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8581JE Active 1 (Unlimited) ROHS3 Compliant 20-LSSOJ (0.213, 5.40mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 1.8V~5.5V 0.8μA~1.2μA @ 3V~5V
RX-8581NB:B PURE SN RX-8581NB:B PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RX-8581NB Active 1 (Unlimited) ROHS3 Compliant 22-LFDFN I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 22-SON (6.3x4.8) 1.8V~5.5V 0.8μA~1.2μA @ 3V~5V
RX-8035SA:AC PURE SN RX-8035SA:AC PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RX-8035SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Time Event Recorder Alarm 2.4V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5μA @ 3V 1V~5.5V
RX-8801SA: UA PURE SN RX-8801SA: UA PURE SN EPSON 0.0000
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0.00000000 download RX-8801SA Not For New Designs 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 1.6V~5.5V 2.1μA~3.4μA @ 3V~5V
RA-4574SA:B3 PURE SN RA-4574SA:B3 PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RA-4574SA Active 1 (Unlimited) ROHS3 Compliant 14-SSOP (0.209, 5.30mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.6V~5.5V HH:MM:SS YY-MM-DD-dd 0.5μA~1μA @ 3V~5V
DS1375T+ DS1375T+ Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2008 yes Active 1 (Unlimited) 6 EAR99 3.3V 3mm ROHS3 Compliant Lead Free No 6 6-WDFN Exposed Pad I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 0.8mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V DS1375 6 0.95mm Timer or RTC 1.8/5V Alarm, Leap Year, Square Wave Output Clock 16B 1.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd 0.5μA @ 1.7V~5.5V
DS1307Z+T&R DS1307Z+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2005 Active 1 (Unlimited) 70°C 0°C 5V 5mm ROHS3 Compliant Lead Free Tin No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 5.5V No SVHC 4.5V 1.5mm 4mm Surface Mount 0°C~70°C Clock/Calendar DS1307 Leap Year, NVSRAM, Square Wave Output 8-SOIC Clock 56B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 5V 2V~3.5V
RV5C387A-E2-F RV5C387A-E2-F Ricoh Electronic Devices Company 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant 10-LFSOP, 10-MSOP (0.110, 2.80mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 10-SSOP-G 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.8μA @ 3V
MAX6916EO33+ MAX6916EO33+ Rochester Electronics 0.0000
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0.00000000 download Tube yes Obsolete 3 (168 Hours) 20 8.65mm ROHS3 Compliant 20-SSOP (0.154, 3.90mm Width) SPI, 3-Wire Serial 3.9mm Surface Mount CMOS 1.73mm Clock/Calendar/Supervisor e3 MATTE TIN DUAL 260 3.3V 30 20 INDUSTRIAL YES 0.635mm R-PDSO-G20 85°C -40°C COMMERCIAL 96B 8 3V~3.6V HH:MM:SS (12/24 hr) 0.032MHz I2C YY-MM-DD-dd
ISL12027IB27AZ-T ISL12027IB27AZ-T Rochester Electronics 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer 8-SOIC 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
R2223L-E2 R2223L-E2 Ricoh Electronic Devices Company 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant 12-XFQFN Exposed Pad I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, RAM QFN018018-12 Clock 1.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.9μA @ 3V
R2051S01-E2-F R2051S01-E2-F Ricoh Electronic Devices Company 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant Lead Free 16-LSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 16-SSOP Clock 2.34V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1μA @ 3V
RS5C348A-E2-FB RS5C348A-E2-FB Ricoh Electronic Devices Company 0.0000
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0.00000000 download Tape and Reel RoHS Compliant 10 Clock/Calendar/Alarm/Timer/Interrupt/Battery Backup HH:MM:SS DW:DM:M:Y
1337GDVGI8 1337GDVGI8 Integrated Device Technology (IDT) 0.0000
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0.00000000 download 7 Weeks Surface Mount Tape & Reel 2006 85°C -40°C 3.3V 3mm RoHS Compliant Lead Free No 8 TSSOP 2-Wire, I2C, Serial 5.5V 1.8V 3mm 970μm Clock HH:MM:SS YY-MM-DD-dd
RTC-72421B RTC-72421B EPSON 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 18-DIP (0.300, 7.62mm) Parallel Through Hole -10°C~70°C Clock/Calendar Leap Year 18-DIP 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA~10μA @ 2V~5V
RV-3029-C2-32.768K-OPTION-B-TB-QA RV-3029-C2-32.768K-OPTION-B-TB-QA Micro Crystal 0.0000
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0.00000000
RX-8803LC:UA PURE SN RX-8803LC:UA PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks RX-8803LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 1.6V~5.5V HH:MM:SS YY-MM-DD 2.1μA~3.4μA @ 3V~5V
RTC-4543SA:B3:PURE SN RTC-4543SA:B3:PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks Tape & Reel (TR) RTC-4543SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Leap Year 14-SOP 2.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1μA~3μA @ 2V~5V
M41T256YMH7F M41T256YMH7F STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Timekeeper® Obsolete 1 (Unlimited) 44 EAR99 18.1mm ROHS3 Compliant Lead Free 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT I2C, 2-Wire Serial 8.56mm Surface Mount -25°C~70°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar DUAL 260 5V 10 M41T256 44 0.81mm R-PDSO-G44 Timer or RTC Not Qualified 5V Leap Year, NVSRAM Clock 32KB 4.5V~5.5V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND N NO I2C YY-MM-DD-dd 2.5mA @ 4.5V~5.5V 2.5V~3.5V
RX-8025SA:AA3:PURE SN RX-8025SA:AA3:PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks Tape & Reel (TR) RX-8025SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.209, 5.30mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
RTC-62421B RTC-62421B EPSON 0.0000
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0.00000000 download Through Hole Tube Obsolete 1 (Unlimited) 85°C -40°C Non-RoHS Compliant 18-DIP (0.300, 7.62mm) Parallel Through Hole -40°C~85°C Clock/Calendar Leap Year 18-DIP 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.8μA~3μA @ 2V~5V
RTC-72421B: ROHS RTC-72421B: ROHS EPSON 0.0000
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0.00000000 download Tube RTC-72421 Not For New Designs 1 (Unlimited) ROHS3 Compliant 18-DIP (0.300, 7.62mm) Parallel Through Hole -10°C~70°C Clock/Calendar Leap Year 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA~10μA @ 2V~5V
DS1302SN DS1302SN Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2002 no Obsolete 1 (Unlimited) 8 EAR99 3.3V 5.46mm Non-RoHS Compliant Contains Lead Tin No 8 BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA 8-SOIC (0.209, 5.30mm Width) 3-Wire Serial Unknown 2.03mm 5.41mm Surface Mount -40°C~85°C CMOS Clock/Calendar e0 DUAL 240 3.3V 20 DS1302 8 1.27mm Timers or RTCs 3/5V Leap Year, NVSRAM, Trickle-Charger Clock 31B 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N YES SERIAL, 3-WIRE YY-MM-DD-dd 0.3μA~1μA @ 2V~5V 2V~5.5V
MAX6910EO30+ MAX6910EO30+ Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 20 8.65mm ROHS3 Compliant 20-SSOP (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount BICMOS 1.73mm 1 Clock/Calendar/Supervisor e3 TIN DUAL 260 3V NOT SPECIFIED 20 INDUSTRIAL YES 0.635mm R-PDSO-G20 2.7V 85°C -40°C 1 3.3V YES 31B 2.7V~3.3V HH:MM:SS (12/24 hr) YY-MM-DD-dd
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