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RTCs

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Lifecycle Status 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 Reach Compliance Code Min Supply Voltage Frequency Height Width Mounting Type Weight Operating Temperature Technology Operating Supply Current Height Seated (Max) HTS Code 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 Output Type Temperature Grade Surface Mount Terminal Pitch JESD-30 Code Supply Voltage-Min (Vsup) Operating Temperature (Max) Operating Temperature (Min) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Max Power Dissipation Voltage Number of Outputs Feature Watchdog Timer Number of Voltages Monitored Supplier Device Package Logic Function Access Time Memory Size Memory Type 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 Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
RX-4045NB:AAB PURE SN RX-4045NB:AAB PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RX-4045NB Active 1 (Unlimited) ROHS3 Compliant 22-LFDFN 4-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm 1.7V~5.5V HH:MM:SS YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
M48T201V-85MH1E M48T201V-85MH1E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Timekeeper® Obsolete 3 (168 Hours) 44 EAR99 3.3V 18.49mm ROHS3 Compliant Lead Free No 44 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT Parallel 85GHz 2.69mm 8.89mm Surface Mount 0°C~70°C CMOS 10mA Clock/Calendar e3/e4 TIN/NICKEL PALLADIUM GOLD DUAL 3.3V M48T201 44 Timer or RTC 1W Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K Yes 1 85 ns 3.8MB 3V~3.6V HH:MM:SS (24 hr) SECONDS Y NO 1 YY-MM-DD-dd 2mA @ 3V~3.6V 3V
PT7C4311ZEEX PT7C4311ZEEX Diodes Incorporated 0.0000
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0.00000000 download 18 Weeks Tape & Reel (TR) 2015 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant 8-WFDFN Exposed Pad I2C, 2-Wire Serial 2mm Surface Mount -40°C~85°C TA CMOS 0.8mm 8542.39.00.01 Clock/Calendar DUAL 2V YES 0.5mm R-PDSO-N8 Timer or RTC Not Qualified 1.8/5V Leap Year, Square Wave Output, Y2K 56B 1.2V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD 150μA @ 1.5V~5.5V 2V~3.5V
DS1743P-100 DS1743P-100 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 34 Non-RoHS Compliant A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel unknown Surface Mount 0°C~70°C Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL Leap Year, NVSRAM, Y2K 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 3mA @ 5V 3V
PCF85063AT/AJ PCF85063AT/AJ NXP Semiconductors / Freescale 0.0000
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0.00000000 download Non-RoHS Compliant
X1228V14I-2.7 X1228V14I-2.7 Intersil 0.0000
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0.00000000
DS1672S-3+ DS1672S-3+ Maxim Integrated 0.0000
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0.00000000 download 9 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 8 EAR99 3V 4.9mm ROHS3 Compliant Lead Free No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Binary Counter e3 Matte Tin (Sn) DUAL 260 3V DS1672 8 1.27mm Timers or RTCs 3V Trickle-Charger Clock, Counter 2.7V~3.3V Binary 0.032MHz SECONDS N NO I2C 500μA @ 3.3V 1.3V~3.63V
DS1501WS DS1501WS Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2008 yes Obsolete 1 (Unlimited) 28 EAR99 3.3V 18.1mm Non-RoHS Compliant Contains Lead No 28 28-SOIC (0.295, 7.50mm Width) Parallel 8.565mm Surface Mount 0°C~70°C CMOS 3.05mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V DS1501 28 1.27mm Timer or RTC Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Clock 256B 3V~3.6V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 4mA @ 3V~3.6V 2.5V~3.7V
DS1390U-33+T DS1390U-33+T Maxim Integrated 0.0000
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0.00000000 download yes 1 10 EAR99 3mm Non-RoHS Compliant Lead Free 3mm CMOS 1.1mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V 30 10 INDUSTRIAL YES 0.5mm S-PDSO-G10 2.97V 85°C -40°C Timers or RTCs Not Qualified 3.3V 5.5V TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y NO SERIAL, 3-WIRE 1
DS1500WEN DS1500WEN Maxim Integrated 0.0000
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0.00000000 download Tray 2005 Obsolete 3 (168 Hours) 32 EAR99 18.4mm Non-RoHS Compliant Contains Lead 32-LFSOP (0.724, 18.40mm Width) Parallel not_compliant 8mm Surface Mount -40°C~85°C CMOS 1.24mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V 20 DS1500 32 YES 0.5mm R-PDSO-G32 Timer or RTC Not Qualified 3.3V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 256B 3V~3.6V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 4mA @ 3V~3.6V 2.5V~3.7V
AM0805AQ AM0805AQ Ambiq Micro, Inc. 0.0000
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0.00000000 download Tape & Reel (TR) Discontinued 3 (168 Hours) RoHS Compliant 16-VFQFN Exposed Pad I2C Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer 16-QFN (3x3) 256B 1.5V~3.6V HH:MM:SS:hh YY-MM-DD-dd 1.4V~3.6V
PCF2129AT PCF2129AT NXP Semiconductors 0.0000
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0.00000000 download Active Supplier Unconfirmed 20 Clock/Calendar HH:MM:SS DW:DM:M:Y
DS1678S/T&R DS1678S/T&R Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2009 Obsolete 1 (Unlimited) 85°C -40°C 5V Non-RoHS Compliant Contains Lead No 8 8-SOIC (0.209, 5.30mm Width) I2C, 2-Wire Serial 5.5V 4.5V Surface Mount -40°C~85°C Time Event Recorder DS1678 6V Alarm, Leap Year, NVSRAM, Y2K 8-SO Clock 32B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.6V~3.5V
M48T35Y-70MH1E M48T35Y-70MH1E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Timekeeper® Obsolete 3 (168 Hours) 28 EAR99 5V 18.49mm ROHS3 Compliant Lead Free No 28 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets Parallel No SVHC 70GHz 2.69mm 8.89mm Surface Mount 2.214806g 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e3 Tin (Sn) DUAL 260 5V 30 M48T35 28 1.27mm Timers or RTCs 5V Leap Year Clock 70 ns 32kB SRAM 4.5V~5.5V HH:MM:SS (24 hr) SECONDS N NO YY-MM-DD-dd 2mA @ 4.75V~5.5V
DS1306E+T&R DS1306E+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tape & Reel (TR) 2002 Active 1 (Unlimited) ROHS3 Compliant Lead Free 20-TSSOP (0.173, 4.40mm Width) SPI Surface Mount 0°C~70°C Clock/Calendar DS1306 Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 20-TSSOP 96B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
DS1343E-3+ DS1343E-3+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 20 EAR99 3V 6.5mm ROHS3 Compliant No 20 20-TSSOP (0.173, 4.40mm Width) SPI 4.4mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar DUAL 3V DS1343 20 0.65mm Timers or RTCs 3V Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger Clock 96B 2.7V~5.5V HH:MM:SS (12/24 hr) 4MHz SECONDS Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 1.3V~5.5V
DS17885-3+ DS17885-3+ Rochester Electronics 0.0000
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0.00000000 download Tube yes Obsolete 1 (Unlimited) 24 31.75mm ROHS3 Compliant 24-DIP (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 5.08mm Clock/Calendar e3 MATTE TIN DUAL 260 3V 30 24 NO 2.54mm R-PDIP-T24 COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 8KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
RX-8581SA:B3:PURE SN RX-8581SA:B3:PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8581SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 14-SOP 1.8V~5.5V 800nA~1.2μA @ 3V~5V
M41T82ZM6E M41T82ZM6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant Lead Free 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial unknown 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 3V 30 M41T82 8 1.27mm Timers or RTCs Not Qualified 3/5V Alarm, Leap Year, SRAM, Watchdog Timer Clock 7B 8 2.38V~5.5V HH:MM:SS:hh (24 hr) 0.4MHz 1/100SECOND Y NO I2C 1 YY-MM-DD-dd 10μA @ 5.5V 2V~5.5V
M41T83ZMY6F M41T83ZMY6F STMicroelectronics 0.0000
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0.00000000 download 25 Weeks ACTIVE (Last Updated: 7 months ago) Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 18 EAR99 11.61mm ROHS3 Compliant Lead Free No 18 18-SOX, 18-SOIC with Crystal (7.5mm Width) I2C, 2-Wire Serial 7.62mm Surface Mount -40°C~85°C CMOS 2.69mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 240 3V 30 M41T83 18 1.27mm Timers or RTCs 3/5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 8 2.38V~5.5V HH:MM:SS:hh (24 hr) 0.4MHz 1/100SECOND Y I2C 7 B 1 YY-MM-DD-dd 10μA @ 5.5V 2V~5.5V
DS1391U+33 DS1391U+33 Maxim Integrated 0.0000
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0.00000000 download Bulk 2012 yes 1 10 EAR99 3mm RoHS Compliant compliant 3mm CMOS 1.1mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V 30 10 INDUSTRIAL YES 0.5mm S-PDSO-G10 2.97V 85°C -40°C Timers or RTCs Not Qualified 3.3V 5.5V TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES SERIAL, 3-WIRE 1
DS1511W DS1511W Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2013 no Obsolete 1 (Unlimited) 28 EAR99 3.3V 37.34mm Non-RoHS Compliant Contains Lead No 28 28-DIP Module (0.600, 15.24mm) Parallel Unknown 32.8kHz 4.45mm 14.61mm Through Hole 0°C~70°C CMOS Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V DS1511 28 2.54mm Timer or RTC 11 Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Clock 256B 3V~3.6V HH:MM:SS (24 hr) SECONDS Y NO 1 YY-MM-DD-dd 4mA @ 3V~3.6V 2.5V~3.7V
DS1557WP-120 DS1557WP-120 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 yes Obsolete 3 (168 Hours) 34 EAR99 3.3V 25.27mm Non-RoHS Compliant Contains Lead Tin No 34 34-PowerCap™ Module Parallel Unknown 810μm 23.62mm Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 DUAL 3.3V DS1557 34 Timer or RTC Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 512KB 2.97V~3.63V HH:MM:SS (24 hr) 0.032MHz SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V 3V
DS1558W+ DS1558W+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tray 2009 yes Active 1 (Unlimited) 48 EAR99 7mm ROHS3 Compliant Lead Free 48 48-LQFP Parallel 7mm Surface Mount -40°C~85°C CMOS 1.2mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) QUAD 260 3.3V NOT SPECIFIED DS1558 48 YES 0.5mm Timer or RTC Not Qualified 3.3V Alarm, Leap Year, Watchdog Timer, Y2K 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 2mA @ 3.3V 2.5V~3.7V
DS1685Q-3+ DS1685Q-3+ Maxim Integrated 0.0000
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0.00000000 download 8 Weeks Tube 2000 yes Obsolete 1 (Unlimited) 28 EAR99 11.505mm ROHS3 Compliant Lead Free 28-LCC (J-Lead) Parallel 11.505mm Surface Mount 0°C~70°C CMOS 4.57mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) QUAD 260 3V NOT SPECIFIED DS1685 28 YES 1.27mm S-PQCC-J28 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
DS1342U+ DS1342U+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2012 yes Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Tin No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Unknown 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar DUAL 3V DS1342 8 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output Clock 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd 0.6μA~0.7μA @ 3V~5V
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
DS1742-70 DS1742-70 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 24 37.595mm Non-RoHS Compliant 24-DIP Module (0.600, 15.24mm) Parallel unknown 15.24mm Through Hole 0°C~70°C 8.51mm Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 24 NO 2.54mm R-PDIP-P24 COMMERCIAL Leap Year, NVSRAM, Y2K 2KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 3mA @ 5V
DS1643-100+ DS1643-100+ Maxim Integrated 0.0000
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0.00000000 download Tube 2005 yes Obsolete 1 (Unlimited) 28 EAR99 37.595mm ROHS3 Compliant 28-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 9.02mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 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
DS1306+ DS1306+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2002 yes Active 1 (Unlimited) 16 EAR99 19.175mm ROHS3 Compliant Lead Free 16 16-DIP (0.300, 7.62mm) SPI 7.62mm Through Hole 0°C~70°C CMOS 4.572mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS1306 16 Fixed NO 2.54mm Timer or RTC Not Qualified 3/5V Alarm, Leap Year, NVSRAM, Square Wave Output, 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
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