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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 Termination 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 Reach Compliance Code Min Supply Voltage Frequency Width 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) Number of Channels Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Number of Outputs Feature Adjustable Threshold Supplier Device Package Source Url Status Check Date Logic Function Access Time Memory Size Function Number of Bits 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
PCF8563T/5,518 PCF8563T/5,518 NXP Semiconductors 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2003 Active 2 (1 Year) 8 4.9mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 2V NOT SPECIFIED PCF8563 8 YES 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 2/5V Alarm, Leap Year, Watchdog Timer 1.8V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd 0.6μA~0.75μA @ 2V~5V
X1227S8I-2.7A X1227S8I-2.7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 1 8 EAR99 85°C -40°C 4.9022mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 3.9116mm CMOS 1.7272mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 40 8 INDUSTRIAL 1.27mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
RX-4571LC:B0 PURE SN RX-4571LC:B0 PURE SN EPSON 0.0000
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0.00000000
DS1643-70+ DS1643-70+ Maxim Integrated 0.0000
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0.00000000 download Tube 2010 Obsolete 1 (Unlimited) 28 EAR99 37.595mm ROHS3 Compliant Lead Free 28-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 9.02mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1643 28 NO 2.54mm R-XDMA-P28 Timer or RTC Not Qualified 5V Leap Year, NVSRAM 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO 1 YY-MM-DD-dd 3mA @ 5V
X1227V8I-2.7 X1227V8I-2.7 Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 1 8 EAR99 85°C -40°C 4.4mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 3mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 30 8 INDUSTRIAL 0.65mm R-PDSO-G8 2.7V 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
M48T59Y-70MH1F M48T59Y-70MH1F STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Timekeeper® Obsolete 1 (Unlimited) 28 EAR99 18.1mm ROHS3 Compliant Lead Free 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets Parallel 70GHz 8.56mm Surface Mount 0°C~70°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar DUAL 260 5V 10 M48T59 28 1.27mm R-PDSO-G28 Timer or RTC Not Qualified 5V Alarm, Leap Year, Watchdog Timer Clock 70 ns 62.5kB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
DS1685EN-3+T&R DS1685EN-3+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2000 Active 1 (Unlimited) 85°C -40°C 3V ROHS3 Compliant Lead Free No 24 24-TSSOP (0.173, 4.40mm Width) Parallel 3.7V 2.7V Surface Mount -40°C~85°C Clock/Calendar DS1685 Alarm, NVSRAM, Square Wave Output, Y2K 24-TSSOP Clock 242B 2.7V~3.7V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
AB-RTCMK-32.768KHZ AB-RTCMK-32.768KHZ Abracon LLC 0.0000
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0.00000000 download Bulk Active RoHS Compliant 8 Clock/Calendar/Alarm/Timer/Interrupt HH:MM:SS DW:DM:M:Y
DS1689SN+ DS1689SN+ Maxim Integrated 0.0000
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0.00000000 download Tube 2005 Obsolete 1 (Unlimited) 28 EAR99 18.1mm ROHS3 Compliant Lead Free CAN ALSO OPERATE WITH 5V SUPPLY 28-SOIC (0.295, 7.50mm Width) Parallel 8.565mm Surface Mount -40°C~85°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3V NOT SPECIFIED DS1689 28 YES 1.27mm R-PDSO-G28 Timer or RTC Not Qualified 3/5V NVSRAM 114B 16 2.7V~3.3V 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 3V 3mA @ 5V 2.5V~3.7V
MAX31341BEWC+T MAX31341BEWC+T Maxim Integrated 0.0000
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0.00000000 6 Weeks Active RoHS Compliant compliant
1337GNLGI8 1337GNLGI8 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 3 (168 Hours) 16-VFQFN Exposed Pad I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1337 Alarm, Leap Year, Square Wave Output 16-QFN (3x3) 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
DS1685-3+ DS1685-3+ Maxim Integrated 0.0000
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0.00000000 download 8 Weeks Tube 2000 yes Active 1 (Unlimited) 24 EAR99 31.75mm ROHS3 Compliant Lead Free 24-DIP (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 5.08mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3V 30 DS1685 24 NO 2.54mm R-PDIP-T24 Timer or RTC Not Qualified 3V Alarm, NVSRAM, Square Wave Output, Y2K 242B 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
DS1305EN DS1305EN Maxim Integrated 0.0000
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0.00000000 download Tube 2002 no Obsolete 1 (Unlimited) 20 EAR99 6.5mm Non-RoHS Compliant Contains Lead 20-TSSOP (0.173, 4.40mm Width) SPI not_compliant 4.4mm Surface Mount -40°C~85°C CMOS 1.1mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1305 20 YES 0.65mm R-PDSO-G20 Timer or RTC Not Qualified 3/5V Alarm, Leap Year, NVSRAM, Trickle-Charger 96B 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
MAX6909EO30+T MAX6909EO30+T Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) 20 EAR99 85°C -40°C 8.65mm ROHS3 Compliant 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 3V NOT SPECIFIED MAX6909 20 INDUSTRIAL YES 0.635mm R-PDSO-G20 2.7V 1 Not Qualified 3.3V YES Clock 31B 2.7V~3.3V HH:MM:SS (12/24 hr) YY-MM-DD-dd
M41ST85WMH6 M41ST85WMH6 STMicroelectronics 0.0000
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0.00000000 download Tube Obsolete RoHS non-compliant 28 Clock/Calendar/Alarm/Supervisor HH:MM:SS:hh DW:DM:M:Y
DS1670E+ DS1670E+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2005 yes Active 1 (Unlimited) 20 SMD/SMT EAR99 3.3V 6.5mm ROHS3 Compliant Lead Free Tin No 20 3-CHANNEL, 8-BIT ADC 20-TSSOP (0.173, 4.40mm Width) 3-Wire Serial Unknown 32.768kHz 4.4mm Surface Mount 0°C~70°C CMOS Portable System Controller e3 DUAL 260 3.3V 30 DS1670 20 0.65mm Timers or RTCs 1 Alarm, Leap Year, Watchdog Timer Clock 2.97V~3.63V HH:MM:SS (12/24 hr) 1 SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 100μA @ 3.3V 2.5V~3.7V
PCF8583BS/5,118 PCF8583BS/5,118 NXP Semiconductors / Freescale 0.0000
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0.00000000 download Non-RoHS Compliant 20 2013-06-14 00:00:00
X1288S16-2.7A X1288S16-2.7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 1 16 EAR99 70°C 0°C 10.3mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 7.5mm CMOS 2.65mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED 16 COMMERCIAL 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
ISL12026IVZ-T ISL12026IVZ-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 2 Weeks Surface Mount Digi-Reel® 2010 Active 1 8 EAR99 85°C -40°C 3.3V 4.4mm RoHS Compliant Lead Free No 8 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 3mm CMOS 1.2mm e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 30 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock 512B HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
PT7C4363WEX PT7C4363WEX Diodes Incorporated 0.0000
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0.00000000 download 9 Weeks Surface Mount Tape & Reel (TR) Last Time Buy 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant Lead Free 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C TA CMOS 1.75mm 8542.39.00.01 Clock/Calendar DUAL 3V 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 1.5/5V Alarm, Leap Year, Square Wave Output Clock 1.3V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO I2C 1 YY-MM-DD-dd 0.85μA~0.9μA @ 3V~5V
DS1557P-70IND+ DS1557P-70IND+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Surface Mount Tube 2003 yes Active 3 (168 Hours) 34 EAR99 5V ROHS3 Compliant Lead Free No 34 34-PowerCap™ Module Parallel Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 5V DS1557 34 Timer or RTC 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 512KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V 3V
MAX31341EWC+T MAX31341EWC+T Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tape & Reel (TR) Active 1 (Unlimited) ROHS3 Compliant
RTC-72423A0:PURE SN RTC-72423A0:PURE SN EPSON 0.0000
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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
AB-RTCMC32.768KHZEOA9S3DB AB-RTCMC32.768KHZEOA9S3DB Abracon LLC 0.0000
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0.00000000 download Bulk Active RoHS Compliant 10 Clock/Calendar/Alarm/Timer/Interrupt HH:MM:SS DW:DM:M:Y
PT7C43390LE PT7C43390LE Diodes Incorporated 0.0000
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0.00000000 download 9 Weeks Surface Mount Tube Last Time Buy 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm Clock/Calendar e3 MATTE TIN DUAL 260 3V NOT SPECIFIED 0.65mm Timer or RTC Not Qualified 3/5V Alarm, Leap Year, Square Wave Output 1.3V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO I2C 1 YY-MM-DD-dd 0.65μA~0.7μA @ 3V~5V
RV-3029-C3-32.768KHZ-OPTION-B-TB-QA RV-3029-C3-32.768KHZ-OPTION-B-TB-QA Micro Crystal 0.0000
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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
ISL12026AIBZ ISL12026AIBZ Intersil 0.0000
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0.00000000
S-35399A02-HRT1 S-35399A02-HRT1 ABLIC U.S.A. Inc. 0.0000
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0.00000000 Tape & Reel (TR) yes Not For New Designs 1 (Unlimited) 12 EAR99 1.97mm RoHS Compliant 12-UFBGA, WLBGA I2C, 2-Wire Serial 1.84mm Surface Mount -40°C~85°C CMOS 0.6mm 8542.39.00.01 Clock/Calendar BOTTOM 260 3V 10 12 YES 0.5mm R-PBGA-B12 Not Qualified Alarm, Leap Year 1.3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SERIAL, 2-WIRE/I2C YY-MM-DD-dd 14μA~30μA @ 3V~5V
X1288V14I-4.5AT1 X1288V14I-4.5AT1 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 14-TSSOP (0.173, 4.40mm 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
ISL12028IB27Z-T ISL12028IB27Z-T Rochester Electronics 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 2 (1 Year) ROHS3 Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer 14-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
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