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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 Radiation Hardening Number of Pins Additional Feature Package / Case Interface Max Supply Voltage Reach Compliance Code Min Supply Voltage Width Mounting Type Operating Temperature Technology Height Seated (Max) HTS Code Number of Functions Type JESD-609 Code Terminal Finish Terminal Position Terminal Form 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 (Min) Number of Channels Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Adjustable Threshold Supplier Device Package Logic Function Memory Size Function Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
RTC-8564NB:B:ROHS RTC-8564NB:B:ROHS EPSON 0.0000
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0.00000000 download 15 Weeks Surface Mount Tube RTC-8564NB Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant 22 22-SMD, 20 Leads, Flat Leads I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Y2K 22-SON 1.8V~5.5V HH:MM:SS YY-MM-DD-dd 0.7μA~0.8μA @ 3V~5V
DS17485-5+ DS17485-5+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 9 Weeks Tube 2000 yes Obsolete 1 (Unlimited) 24 EAR99 31.75mm ROHS3 Compliant Lead Free 24 24-DIP (0.600, 15.24mm) Parallel Through Hole 0°C~70°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS17485 24 NO 2.54mm Timer or RTC Not Qualified 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 4KB 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
MAX6909EO33+ MAX6909EO33+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Tube Obsolete 1 (Unlimited) 20 EAR99 85°C -40°C 8.65mm ROHS3 Compliant Lead Free 20-SSOP (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount BICMOS 1.73mm 8542.39.00.01 1 Clock/Calendar/Supervisor e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED MAX6909 20 INDUSTRIAL YES 0.635mm R-PDSO-G20 3V 1 Not Qualified 3.6V YES Clock 31B 3V~3.6V HH:MM:SS (12/24 hr) YY-MM-DD-dd
X1227S8T1 X1227S8T1 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tape & Reel (TR) 2005 1 (Unlimited) 8 EAR99 70°C 0°C 4.9022mm Non-RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial not_compliant 3.9116mm CMOS 1.7272mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 40 8 COMMERCIAL 1.27mm R-PDSO-G8 4.5V Timer or RTC Not Qualified 3/5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
RV-3029-C3-32.768KHZ-OPTION-B-TB-QC RV-3029-C3-32.768KHZ-OPTION-B-TB-QC Micro Crystal 0.0000
RFQ

Min: 1

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0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-VCDFN I2C, 2-Wire Serial Surface Mount -40°C~125°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, NVRAM, RAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
R2221L-E2 R2221L-E2 Ricoh Electronic Devices Company 0.0000
RFQ

Min: 1

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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant Clock
DS1315EN-5+T&R DS1315EN-5+T&R Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tape & Reel (TR) 2011 Obsolete 1 (Unlimited) 85°C -40°C 5V ROHS3 Compliant Lead Free No 20 20-TSSOP (0.173, 4.40mm Width) Parallel 5.5V 4.5V Surface Mount -40°C~85°C Phantom Time Chip DS1315 Leap Year 20-TSSOP Clock 4.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 1.3mA @ 5V 2.5V~3.7V
RX-8581SA:B0 RX-8581SA:B0 EPSON 0.0000
RFQ

Min: 1

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0.00000000 download Tape & Reel (TR) RX-8581SA Obsolete 1 (Unlimited) 14-SOIC (0.197, 5.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.8V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.8μA~1.2μA @ 3V~5V
PCF8583T/F4,118 PCF8583T/F4,118 NXP Semiconductors / Freescale 0.0000
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Min: 1

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0.00000000 download Non-RoHS Compliant
PCF8573T,512 PCF8573T,512 NXP Semiconductors 0.0000
RFQ

Min: 1

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0.00000000 download Tube Obsolete RoHS Compliant 16 Clock/Calendar/Alarm HH:MM:SS YY:MM:DD
RV-4162-C7-32.768KHZ-20PPM-TA-QC RV-4162-C7-32.768KHZ-20PPM-TA-QC Micro Crystal 0.0000
RFQ

Min: 1

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0.00000000 download 4 Weeks Tape & Reel (TR) Active 1 (Unlimited) ROHS3 Compliant 8-WCDFN I2C Surface Mount -40°C~85°C TA Clock/Calendar Alarm, Leap Year, Watchdog Timer 1V~4.4V HH:MM:SS:hh YY-MM-DD-dd 500nA @ 3V
RX-8571LC:B3 PURE SN RX-8571LC:B3 PURE SN EPSON 0.0000
RFQ

Min: 1

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0.00000000 download 15 Weeks Tape & Reel (TR) RX-8571LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, RAM 12-VSOJ 16B 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.55μA~0.6μA @ 3V~5V
RTC-72423A: ROHS RTC-72423A: ROHS EPSON 0.0000
RFQ

Min: 1

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0.00000000 download 13 Weeks Tube RTC-72423 Active 1 (Unlimited) ROHS3 Compliant 24-SOIC (0.311, 7.90mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Leap Year 24-SOP 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA~10μA @ 2V~5V
RV-4162-C7-32.768KHZ-20PPM-TA-QA RV-4162-C7-32.768KHZ-20PPM-TA-QA Micro Crystal 0.0000
RFQ

Min: 1

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0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 8-WCDFN I2C Surface Mount -40°C~85°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, Leap Year, Watchdog Timer 1V~4.4V HH:MM:SS:hh YY-MM-DD-dd 0.5μA @ 3V
RTC4543SA:B3:ROHS RTC4543SA:B3:ROHS Epson America, Inc 0.0000
RFQ

Min: 1

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0.00000000 download Tape and Reel LTB Yes with exemptions 14 Clock/Calendar HH:MM:SS DW:DM:M:Y
RV-3029-C3-32.768KHZ-OPTION-A-TB-QA RV-3029-C3-32.768KHZ-OPTION-A-TB-QA Micro Crystal 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-VCDFN I2C, 2-Wire Serial Surface Mount -40°C~125°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, NVRAM, RAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
X1288S16I-4.5AT1 X1288S16I-4.5AT1 Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar X1288 Alarm, Leap Year, Supervisor, Watchdog Timer 4.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
RTC-72423B0:PURE SN RTC-72423B0:PURE SN EPSON 0.0000
RFQ

Min: 1

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0.00000000 download 16 Weeks Tape & Reel (TR) RTC-72423 Active 1 (Unlimited) ROHS3 Compliant 24-SOIC (0.311, 7.90mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Leap Year 24-SOP 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA~10μA @ 2V~5V
X1288S16I-2.7 X1288S16I-2.7 Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 Surface Mount Bulk 16 EAR99 85°C -40°C 10.35mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 7.5mm CMOS 2.65mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 16 INDUSTRIAL 1.27mm R-PDSO-G16 2.7V Timer or RTC Not Qualified 3/5V 5.5V 31.3kB HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1 YY-MM-DD-dd
DS1251YP-70IND DS1251YP-70IND Rochester Electronics 0.0000
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Min: 1

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0.00000000 download Tube no Obsolete 3 (168 Hours) 34 Non-RoHS Compliant USE DS9034PCX TO ORDER POWERCAP 34-PowerCap™ Module Parallel unknown Surface Mount -40°C~85°C Phantom Time Chip e0 TIN LEAD DUAL 225 5V 30 34 YES R-XDMA-U34 COMMERCIAL Leap Year, NVSRAM 512kb 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 YY-MM-DD-dd 10mA @ 5V 3V
RX-8035SA:B PURE SN R RX-8035SA:B PURE SN R EPSON 0.0000
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Min: 1

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0.00000000 download 13 Weeks Tape & Reel (TR) 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
DS1338Z-33+T DS1338Z-33+T Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 2006 yes 1 8 EAR99 4.9mm Non-RoHS Compliant Lead Free 8 SOIC 3.9mm CMOS 1.75mm e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V NOT SPECIFIED 8 INDUSTRIAL YES 1.27mm 3V -40°C Timer or RTC Not Qualified 3.3V 3.63V TIMER, REAL TIME CLOCK 0.032MHz SECONDS N NO I2C 1
X1226V8ZT1 X1226V8ZT1 Intersil 0.0000
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Min: 1

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0.00000000
X1228S14 X1228S14 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount 2005 14 EAR99 70°C 0°C 8.65mm Non-RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial not_compliant 3.9mm CMOS 1.75mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 14 COMMERCIAL 1.27mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 5V 5.5V 3.9kB HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
RTC8564JE:B0:ROHS RTC8564JE:B0:ROHS Epson America, Inc 0.0000
RFQ

Min: 1

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0.00000000 download Active Yes with exemptions 20 Clock/Calendar/Alarm/Timer HH:MM:SS DW:DM:M:Y
DS1251WP-120+ DS1251WP-120+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 6 Weeks Tube 2011 yes Active 3 (168 Hours) 34 3A991.B.2.A 24.384mm ROHS3 Compliant Lead Free USE DS9034PCX TO ORDER POWERCAP 34-PowerCap™ Module Parallel not_compliant 23.495mm Surface Mount 0°C~70°C CMOS 6.858mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1251 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM 512KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V 3V
RX8804CE:XA3 RX8804CE:XA3 EPSON 0.0000
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Min: 1

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0.00000000 download 13 Weeks Tape & Reel (TR) RX8804CE Active 1 (Unlimited) ROHS3 Compliant 10-SMD, No Lead I2C Surface Mount -40°C~105°C Clock/Calendar Alarm 10-SMD 1.6V~5.5V 1.5μA~1.6μA @ 3V~5V
RX8581SA:B RX8581SA:B Epson America, Inc 0.0000
RFQ

Min: 1

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0.00000000 download Bulk Obsolete Yes with exemptions 14 Clock/Calendar/Alarm HH:MM:SS DW:DM:M:Y
RTC-72423A:3 RTC-72423A:3 EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 1 (Unlimited) 85°C -40°C Non-RoHS Compliant 24-SOIC (0.311, 7.90mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Leap Year 24-SOP 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA~10μA @ 2V~5V
RV-3049-C3-32.768KHZ-OPTION-A-TA-QC RV-3049-C3-32.768KHZ-OPTION-A-TA-QC Micro Crystal 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-VCDFN SPI, 4-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, NVRAM, RAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
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