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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 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 Height Width Thickness Mounting Type Weight Operating Temperature Technology 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 Temperature Grade Surface Mount Terminal Pitch JESD-30 Code Supply Voltage-Min (Vsup) Operating Temperature (Max) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Number of Outputs Feature Supplier Device Package Logic Function Access Time Memory Size Number of Bits Address Bus Width Supply Current-Max Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency RAM (words) Time-Min Interrupt Capability Volatile Information Access Method Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1742-70+ DS1742-70+ Rochester Electronics 0.0000
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0.00000000 download Tube yes Obsolete 3 (168 Hours) 24 37.595mm ROHS3 Compliant 24-DIP Module (0.600, 15.24mm) Parallel unknown 15.24mm Through Hole 0°C~70°C 8.51mm Clock/Calendar e3 TIN DUAL 260 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
ISL12028IB27AZ ISL12028IB27AZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 Active 2 14 EAR99 85°C -40°C 3.3V 8.65mm RoHS Compliant No 14 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 3.9mm CMOS 1.75mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C 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
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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
DS1340U-18+ DS1340U-18+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 8 EAR99 1.8V 3mm ROHS3 Compliant Lead Free No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar e3 Matte Tin (Sn) DUAL 260 1.8V 30 DS1340 8 0.65mm Timer or RTC Leap Year, Trickle-Charger Clock 1.71V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO I2C YY-MM-DD-dd 100μA @ 1.89V 1.3V~3.7V
X1227S8Z-2.7A X1227S8Z-2.7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 1 8 EAR99 70°C 0°C 4.9022mm RoHS Compliant Lead Free SOIC 2-Wire, I2C, Serial 3.9116mm CMOS 1.7272mm 8542.39.00.01 e3 MATTE TIN DUAL 260 5V 40 8 COMMERCIAL 1.27mm 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
DS1747-70IND+ DS1747-70IND+ Maxim Integrated 0.0000
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0.00000000 download 9 Weeks Tube 2012 yes Active 1 (Unlimited) 32 EAR99 43.053mm ROHS3 Compliant Lead Free 32-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole -40°C~85°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1747 32 NO 2.54mm R-PDIP-T32 Timer or RTC Not Qualified 5V Leap Year, NVSRAM, Y2K 512KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 5V
DS1315N-5+ DS1315N-5+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tube 2011 yes Active 1 (Unlimited) 16 EAR99 19.175mm ROHS3 Compliant Lead Free 16-DIP (0.300, 7.62mm) Parallel 7.62mm Through Hole -40°C~85°C CMOS 4.572mm 8542.39.00.01 Phantom Time Chip e3 Matte Tin (Sn) DUAL 260 5V 30 DS1315 16 NO 2.54mm R-PDIP-T16 Timer or RTC Not Qualified 5V Leap Year 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND N YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 1.3mA @ 5V 2.5V~3.7V
AB0814 AB0814 Abracon LLC. 0.0000
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0.00000000 85°C -40°C RoHS Compliant 16 QFN SPI 3.6V Unknown 1.7V
DS1554P-70+ DS1554P-70+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tube 2003 yes Active 3 (168 Hours) 34 EAR99 25.019mm ROHS3 Compliant Lead Free 34-PowerCap™ Module Parallel not_compliant 23.495mm Surface Mount 0°C~70°C CMOS 2.3368mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 245 5V 40 DS1554 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 32KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V 3V
DS1672-2+ DS1672-2+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Through Hole Tube 2002 yes Obsolete 1 (Unlimited) 8 EAR99 2V 9.375mm ROHS3 Compliant Lead Free 8 8-DIP (0.300, 7.62mm) I2C, 2-Wire Serial 7.62mm Through Hole -40°C~85°C CMOS 4.572mm Binary Counter e3 Matte Tin (Sn) DUAL 260 2V NOT SPECIFIED DS1672 8 2.54mm Timers or RTCs Not Qualified 2V Trickle-Charger Clock, Counter 1.8V~2.2V Binary 0.032MHz SECONDS N NO I2C 500μA @ 2.2V 1.3V~3.63V
X1228S14-2.7T1 X1228S14-2.7T1 Intersil 0.0000
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0.00000000
ISL1208IB8Z-T7A ISL1208IB8Z-T7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 15 Weeks Surface Mount Digi-Reel® 2004 Active 1 8 EAR99 85°C -40°C 4.9022mm RoHS Compliant Lead Free No 8 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 3.9116mm CMOS 1.7272mm e3 Matte Tin (Sn) - annealed DUAL 260 3.3V INDUSTRIAL 1.27mm Clock 8B HH:MM:SS 0.032MHz I2C 2 B YY-MM-DD-dd
IDT1339-31DCGI IDT1339-31DCGI Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount 2006 85°C -40°C 5mm RoHS Compliant 8 SOIC 2-Wire, I2C, Serial 5.5V 2.45V 1.5mm 4mm HH:MM:SS (12/24 hr) YY-MM-DD-dd
PCF85063TP/1,118 PCF85063TP/1,118 NXP Semiconductors 0.0000
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0.00000000
PCF85263AT/AJ PCF85263AT/AJ NXP Semiconductors 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2010 Active 1 (Unlimited) 8 EAR99 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 DUAL NOT SPECIFIED 3.3V NOT SPECIFIED 8 YES 1.27mm R-PDSO-G8 Alarm, Leap Year, Watchdog Timer 0.9V~5.5V HH:MM:SS:hh (12/24 hr) I2C 1 YY-MM-DD-dd 0.885μA @ 3.3V 0.9V~5.5V
X1228V14 X1228V14 Intersil 0.0000
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DS1673E-5 DS1673E-5 Rochester Electronics, LLC 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 20 6.5mm Non-RoHS Compliant 3-CHANNEL, 8-BIT ADC 20-TSSOP (0.173, 4.40mm Width) 3-Wire Serial unknown 4.4mm Surface Mount 0°C~70°C MOS 1.1mm Portable System Controller e0 TIN LEAD DUAL 240 5V 20 20 YES 0.65mm R-PDSO-G20 COMMERCIAL Alarm, Leap Year, Watchdog Timer 4.5V~5.5V HH:MM:SS (12/24 hr) 1 0.032MHz SERIAL, 3-WIRE YY-MM-DD-dd 300μA @ 5V 2.5V~3.7V
DS1340U-33+ DS1340U-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 8 SMD/SMT EAR99 3.3V 3.05mm ROHS3 Compliant Lead Free Tin No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial No SVHC 32.768kHz 950μm 3.05mm Surface Mount -40°C~85°C CMOS Clock/Calendar e3 DUAL 260 3.3V 30 DS1340 8 0.65mm Timer or RTC 1 Leap Year, Trickle-Charger Clock 2.97V~5.5V HH:MM:SS (24 hr) SECONDS N NO I2C YY-MM-DD-dd 150μA @ 5.5V 1.3V~5.5V
ISL12027IBZ-T ISL12027IBZ-T Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) 2010 Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12027 8 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
1339-31DCGI8 1339-31DCGI8 Integrated Device Technology (IDT) 0.0000
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0.00000000 download 7 Weeks Surface Mount Tape & Reel 2006 yes Active 1 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant Lead Free Tin 8 SOIC 2-Wire, I2C, Serial 3.9mm 1.5mm CMOS 1.75mm e3 DUAL 260 30 8 INDUSTRIAL 1.27mm Timer or RTC Not Qualified 3.6/5V 5.5V Clock HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
DS1315S-5+ DS1315S-5+ Maxim Integrated 0.0000
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0.00000000 download 8 Weeks Surface Mount Tube 2011 yes Active 1 (Unlimited) 16 EAR99 5V 10.5mm ROHS3 Compliant Lead Free No 16 16-SOIC (0.295, 7.50mm Width) Parallel Unknown 2.35mm 7.6mm Surface Mount 0°C~70°C CMOS 8542.39.00.01 Phantom Time Chip e3 Matte Tin (Sn) DUAL 260 5V 30 DS1315 16 1.27mm Timer or RTC 5V Leap Year Clock 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND N YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 1.3mA @ 5V 2.5V~3.7V
DS1672U-33+ DS1672U-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2002 yes Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS Binary Counter e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1672 8 YES 0.65mm Timers or RTCs Not Qualified 3.3V 1 Trickle-Charger 32 2.97V~3.63V Binary SECONDS N NO I2C 500μA @ 3.63V 1.3V~3.63V
RX-4571LC:B3 PURE SN RX-4571LC:B3 PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks Tape & Reel (TR) RX-4571LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 12-VSOJ 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.95μA~1μA @ 3V~5V
DS3231S DS3231S Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 16 10.3mm Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 7.5mm Surface Mount 0°C~70°C CMOS 2.65mm Clock/Calendar e0 TIN LEAD DUAL 240 3.3V 20 16 YES 1.27mm R-PDSO-G16 COMMERCIAL Alarm, Leap Year, Square Wave Output, TCXO/Crystal 2.3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 110μA~170μA @ 3.63V~5.5V 2.3V~5.5V
ISL12027IB27Z ISL12027IB27Z Renesas Electronics America 0.0000
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0.00000000 download Tube 2018 Obsolete 1 (Unlimited) EAR99 ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar NOT SPECIFIED NOT SPECIFIED ISL12027 8 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
DS17285S-3 DS17285S-3 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 24 17.9mm Non-RoHS Compliant 24-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount CMOS 2.67mm Clock/Calendar e0 TIN LEAD DUAL 245 3V NOT SPECIFIED 24 COMMERCIAL YES 1.27mm R-PDSO-G24 70°C COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 2.5V~3.7V
DS12885S DS12885S Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 24 17.9mm Non-RoHS Compliant DAYLIGHT SAVINGS OPTION; SELECTABLE MOTOROLA/INTEL TIMING 24-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount 0°C~70°C CMOS 2.67mm Clock/Calendar e0 TIN LEAD DUAL 245 5V NOT SPECIFIED 24 YES 1.27mm R-PDSO-G24 COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
MAX31331EWC+T MAX31331EWC+T Maxim Integrated 0.0000
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0.00000000
RX6110SA:BB PURE SN RX6110SA:BB PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RX6110SA Active 1 (Unlimited) 14 10.1mm ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C, SPI 5mm Surface Mount -40°C~85°C CMOS 3.3mm Clock/Calendar e3 Tin (Sn) DUAL GULL WING NOT SPECIFIED 3V NOT SPECIFIED YES 1.27mm R-PDSO-G14 Alarm, SRAM 16B 1.6V~5.5V I2C; SERIAL 0.25μA @ 3V
M48T08-150PC1 M48T08-150PC1 STMicroelectronics 0.0000
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0.00000000 download 25 Weeks ACTIVE (Last Updated: 7 months ago) Through Hole Tube Timekeeper® Active 1 (Unlimited) 28 Through Hole EAR99 5V 39.88mm ROHS3 Compliant Lead Free Tin No 28 28-DIP Module (0.600, 15.24mm) Parallel No SVHC 32.768kHz 8.89mm 18.34mm Through Hole 4.190003g 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e3 DUAL 5V M48T08 28 2.54mm Timer or RTC Leap Year, Watchdog Timer Clock 150 ns 8kB 8b 80mA 4.75V~5.5V HH:MM:SS (24 hr) 8184 SECONDS N NO YY-MM-DD-dd 3mA @ 4.7V~5.5V
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