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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 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 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 Subcategory Qualification Status Power Supplies Number of Outputs Feature Supplier Device Package Logic Function Access Time Memory Size Number of Bits Voltage - Supply Time Format External Data Bus Width Clock Frequency Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1339U-33+ DS1339U-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 8 EAR99 3.3V 3.1mm ROHS3 Compliant Lead Free No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial No SVHC 32.8kHz 950μm 3.1mm Surface Mount 139.989945mg -40°C~85°C CMOS Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1339 8 0.65mm Timer or RTC 1 Alarm, Leap Year, Square Wave Output, Trickle-Charger Clock 2.97V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO I2C 1 YY-MM-DD-dd 200μA @ 5.5V 1.3V~3.7V
1337GCSRI8 1337GCSRI8 Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2006 no Discontinued 1 16 EAR99 85°C -40°C 3.3V 10.4mm RoHS Compliant Contains Lead Tin No 16 SOIC 2-Wire, I2C, Serial 5.5V 1.8V 7.6mm 2.34mm CMOS 2.65mm 8542.39.00.01 e3 DUAL 260 3.3V 16 INDUSTRIAL 1.27mm Timer or RTC 2/5V Clock 8 HH:MM:SS 0.4MHz SECONDS Y I2C 1 YY-MM-DD-dd
ISL12028AIB27Z ISL12028AIB27Z 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 3.3V INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
DS1672-33+ DS1672-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2002 yes Active 1 (Unlimited) 8 EAR99 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 3.3V NOT SPECIFIED DS1672 8 NO 2.54mm Timers or RTCs Not Qualified 3.3V Trickle-Charger 2.97V~3.63V Binary 0.032MHz SECONDS N NO I2C 500μA @ 3.63V 1.3V~3.63V
DS1248Y-70+ DS1248Y-70+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tube 2012 yes Active 1 (Unlimited) 32 3A991.B.2.A 43.053mm ROHS3 Compliant Lead Free 32 32-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 10.922mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1248 32 NO 2.54mm Timer or RTC Not Qualified 5V NVSRAM 128KB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 10mA @ 5V
DS1251Y-70 DS1251Y-70 Maxim Integrated 0.0000
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0.00000000 download Tube 2005 no Obsolete 1 (Unlimited) 32 3A991.B.2.A 43.053mm Non-RoHS Compliant Contains Lead 32-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 10.922mm 8473.30.11.40 Phantom Time Chip e0 Tin/Lead (Sn/Pb) DUAL 245 5V NOT SPECIFIED DS1251 32 NO 2.54mm R-PDIP-P32 Timer or RTC Not Qualified 5V Leap Year, NVSRAM 512KB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 10mA @ 5V
ISL1221IUZ ISL1221IUZ Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tube 2004 Active 2 (1 Year) 10 EAR99 3mm ROHS3 Compliant 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Time Event Recorder e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3V NOT SPECIFIED ISL1221 10 YES 0.5mm S-PDSO-G10 Alarm, Leap Year, SRAM 2B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
DS1673E-5+ DS1673E-5+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2009 yes Active 1 (Unlimited) 20 EAR99 5V 6.5mm ROHS3 Compliant Lead Free No 20 3-CHANNEL, 8-BIT ADC 20-TSSOP (0.173, 4.40mm Width) 3-Wire Serial 4.4mm Surface Mount 0°C~70°C MOS 1.1mm 8542.31.00.01 Portable System Controller e3 Matte Tin (Sn) DUAL 260 5V DS1673 20 0.65mm Timer or RTC 5V Alarm, Leap Year, Watchdog Timer Clock 4.5V~5.5V HH:MM:SS (12/24 hr) 1 0.032MHz SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 300μA @ 5V 2.5V~3.7V
BQ4285EP BQ4285EP Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 3 (168 Hours) Non-RoHS Compliant 24-DIP (0.600, 15.24mm) Parallel Through Hole 0°C~70°C Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 24-PDIP 114B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 300μA @ 5V 2.5V~4V
ISL12029IV27AZ-T ISL12029IV27AZ-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 Active 1 14 EAR99 85°C -40°C 3.3V 5mm RoHS Compliant No 14 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 4.4mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
DS17885EN-3+ DS17885EN-3+ Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2000 Obsolete 1 (Unlimited) 28 EAR99 3V 11.8mm ROHS3 Compliant No 28 28-TSSOP (0.465, 11.80mm Width) Parallel 8mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar DUAL 3V DS17885 0.55mm Timer or RTC 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 8KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 SECONDS Y NO 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
ISL12028AIB27Z ISL12028AIB27Z Renesas Electronics America 0.0000
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0.00000000 download Tube 2005 Obsolete 2 (1 Year) ROHS3 Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial unknown Surface Mount -40°C~85°C Clock/Calendar ISL12028A 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
ISL12023IVZ ISL12023IVZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 1999 Active 1 14 EAR99 85°C -40°C 5mm RoHS Compliant No 14 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 4.4mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 3V 14 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock 128B HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
PT7C4563BWEX PT7C4563BWEX Diodes Incorporated 0.0000
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0.00000000 20 Weeks Tape & Reel (TR) Active 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Alarm, Leap Year, Square Wave Output 1.3V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.65μA~0.85μA @ 3V~5V
ISL12029IB30AZ ISL12029IB30AZ 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 8.75mm RoHS Compliant No 14 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 1.5mm 4mm CMOS 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 NO I2C 1 YY-MM-DD-dd
DS1486-120+ DS1486-120+ Maxim Integrated 0.0000
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0.00000000 download Tube 2005 yes Obsolete 1 (Unlimited) 32 EAR99 43.053mm ROHS3 Compliant Lead Free 32-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1486 32 NO 2.54mm R-XDIP-P32 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer 128KB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND Y NO YY-MM-DD-dd 4mA @ 5V
ISL12027IBAZ ISL12027IBAZ Renesas Electronics America 0.0000
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0.00000000 download Tube 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
ISL12028IVZ-T ISL12028IVZ-T Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) 2005 Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12028 14 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
PT7C4372ALE PT7C4372ALE Diodes Incorporated 0.0000
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0.00000000 download 9 Weeks Surface Mount Tube 2012 Last Time Buy 3 (168 Hours) 8 EAR99 4.4mm ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN DUAL 260 3V NOT SPECIFIED 0.65mm R-PDSO-G8 Timer or RTC Not Qualified 2/5V Alarm, Leap Year 1.8V~6V HH:MM:SS (12/24 hr) SECONDS Y YES I2C 1 YY-MM-DD-dd 0.8μA @ 3V
M48T58Y-70MH1E M48T58Y-70MH1E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Timekeeper® Obsolete 1 (Unlimited) 28 EAR99 5V 18.1mm ROHS3 Compliant Lead Free No 28 28-SOIC (0.337, 8.56mm Width) with SNAPHAT Sockets Parallel No SVHC 70GHz 8.56mm Surface Mount 0°C~70°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar e3 Tin (Sn) DUAL 260 5V 30 M48T58 28 1.27mm Timer or RTC 5V Leap Year Clock 70 ns 8kB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS N NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
M48T35Y-70MH6F M48T35Y-70MH6F 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 -40°C~85°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar DUAL 260 5V 10 M48T35 28 1.27mm R-PDSO-G28 Timers or RTCs Not Qualified 5V Leap Year Clock 70 ns 250kB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS N NO YY-MM-DD-dd 2mA @ 4.75V~5.5V
1338-31DCGI 1338-31DCGI Integrated Device Technology (IDT) 0.0000
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0.00000000 download 7 Weeks Surface Mount 2006 yes Active 1 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant Lead Free Tin No 8 SOIC 2-Wire, I2C, Serial 5.5V 2.45V 3.9mm 1.5mm CMOS 1.75mm e3 DUAL 260 30 8 INDUSTRIAL 1.27mm Timer or RTC 3.6/5V Clock 56B HH:MM:SS 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd
ISL12024IVZ-T ISL12024IVZ-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 20 Weeks Surface Mount Tape & Reel 1999 Active 1 8 EAR99 85°C -40°C 3.3V 4.4mm RoHS Compliant No TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 3mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 30 8, 8 INDUSTRIAL 0.65mm R-PDSO-G8 Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
1337ACSRI 1337ACSRI Renesas Electronics America 0.0000
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0.00000000 Last Time Buy 1 (Unlimited) 16-SOIC (0.295, 7.50mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V 1.3V~3.7V
ISL12027IVZ ISL12027IVZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2010 Active 1 8 EAR99 85°C -40°C 3.3V 4.4mm RoHS Compliant No 8 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 3mm CMOS 1.2mm e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
BQ4802YDSH BQ4802YDSH Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 3 (168 Hours) Non-RoHS Compliant 28-SOIC (0.337, 8.56mm Width) with SNAPHAT Sockets Parallel Surface Mount 0°C~70°C Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer 28-SOP 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.4V~4V
ISL12026AIVZ ISL12026AIVZ Intersil 0.0000
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0.00000000
ISL12026IVZ-T ISL12026IVZ-T Intersil 0.0000
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0.00000000
DS12885TN+ DS12885TN+ Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2010 yes Obsolete 1 (Unlimited) 32 EAR99 7mm ROHS3 Compliant Lead Free 32-TQFP Parallel 7mm Surface Mount -40°C~85°C CMOS 1.2mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) QUAD 260 5V 30 DS12885 32 YES 0.8mm S-PQFP-G32 Timer or RTC Not Qualified 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
M48T251Y-70PM1 M48T251Y-70PM1 STMicroelectronics 0.0000
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0.00000000 download Through Hole Tube Timekeeper® Obsolete 1 (Unlimited) 32 EAR99 ROHS3 Compliant Lead Free 32 32-DIP Module (0.600, 15.24mm) Parallel 70GHz Through Hole 0°C~70°C CMOS 8542.39.00.01 Phantom Time Chip e3 MATTE TIN DUAL 225 5V NOT SPECIFIED M48T251 32 2.54mm Timer or RTC Not Qualified 5V Leap Year Clock 70 ns 3.9MB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 5mA @ 4.5V~5.5V
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