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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 Height Width Mounting Type Weight 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 (Max) Operating Temperature (Min) Number of Channels Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Number of Outputs Feature Adjustable Threshold Supplier Device Package Logic Function Access Time Accuracy 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
ISL12020MIRZ ISL12020MIRZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 7 Weeks Surface Mount 2008 Active 1 20 EAR99 85°C -40°C 5.5mm RoHS Compliant Lead Free Tin No 20 DFN 2-Wire, I2C, Serial 5.5V No SVHC 2.7V 1.3mm 4mm CMOS 8542.39.00.01 e3 DUAL 260 3V 20 INDUSTRIAL 0.5mm Timers or RTCs 3/5V Clock 0.0005 % 128B HH:MM:SS 0.032MHz SECONDS Y I2C 128 B YY-MM-DD-dd
CDP68HC68T1MZ96 CDP68HC68T1MZ96 Renesas Electronics America 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) 2001 Active 3 (168 Hours) EAR99 ROHS3 Compliant 20-SOIC (0.295, 7.50mm Width) SPI Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed CDP68HC68T1 20 Alarm, Leap Year, Square Wave Output, Watchdog Timer 32B 3V~6V HH:MM:SS (12/24 hr) YY-MM-DD-dd 20μA~500μA @ 5V 2.2V~6V
DS1744-70 DS1744-70 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2005 yes Obsolete 1 (Unlimited) 28 EAR99 5V 39.37mm Non-RoHS Compliant Contains Lead No 28 28-DIP Module (0.600, 15.24mm) Parallel Unknown 70GHz 10.67mm 18.8mm Through Hole 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V DS1744 28 2.54mm Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 70 ns 32KB 4.5V~5.5V HH:MM:SS (24 hr) SECONDS N NO YY-MM-DD-dd 4mA @ 5V
X1227V8-2.7A X1227V8-2.7A Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1227 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
PCF85263ATL/AJ PCF85263ATL/AJ NXP Semiconductors 0.0000
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DS1501YZ+ DS1501YZ+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 28 EAR99 5V 17.9mm ROHS3 Compliant No 28 28-SOIC (0.295, 7.50mm Width) Parallel Unknown 7.5mm Surface Mount 0°C~70°C CMOS 2.65mm 8473.30.11.80 Clock/Calendar DUAL 5V DS1501 28 1.27mm Timers or RTCs 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Clock 256B 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
DS1743-85+ DS1743-85+ Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 3 (168 Hours) ROHS3 Compliant 28-DIP Module (0.600, 15.24mm) Parallel Through Hole 0°C~70°C Clock/Calendar Leap Year, NVSRAM, Y2K 28-EDIP 8KB 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 3mA @ 5V
RTC4543SA:B RTC4543SA:B Epson America, Inc 0.0000
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0.00000000 download Tube Obsolete RoHS non-compliant 14 Clock/Calendar HH:MM:SS DW:DM:M:Y
PT7C4563WEX PT7C4563WEX Diodes Incorporated 0.0000
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0.00000000 download 25 Weeks Tape & Reel (TR) 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 TA CMOS 1.75mm 8542.39.00.01 Clock/Calendar DUAL 3V YES 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 1.5/5V Alarm, Leap Year, Square Wave Output 1.3V~5.5V HH:MM:SS (24 hr) SECONDS Y YES I2C 1 YY-MM-DD-dd 0.65μA~0.85μA @ 3V~5V
DS1392U-3 DS1392U-3 Maxim Integrated 0.0000
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0.00000000 download Bulk 2009 no 1 10 EAR99 3mm Non-RoHS Compliant not_compliant 3mm CMOS 1.1mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 240 3V 20 10 INDUSTRIAL YES 0.5mm S-PDSO-G10 2.7V 85°C -40°C Timer or RTC Not Qualified 3V 3.3V TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES SERIAL, 2-WIRE/I2C 1
ISL12022MIBZ ISL12022MIBZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 6 Weeks Surface Mount 2007 Active 1 20 EAR99 85°C -40°C 13mm RoHS Compliant Lead Free Tin No 20 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 2.35mm 7.6mm CMOS 8542.39.00.01 e3 DUAL 260 3V 30 20 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock 0.0005 % 128B HH:MM:SS 0.032MHz SECONDS Y I2C 128 B YY-MM-DD-dd
PCF8593TD PCF8593TD NXP Semiconductors / Freescale 0.0000
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0.00000000 8 EAR99 85°C -40°C 4.9mm RoHS Compliant Lead Free 8 SOT-96 6V 1V 3.9mm CMOS 1.75mm DUAL 3V 8 INDUSTRIAL YES 1.27mm Not Qualified 8B HH:MM:SS:hh TIMER, REAL TIME CLOCK 0.032MHz I2C
DS1689S+ DS1689S+ 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 unknown 8.565mm Surface Mount 0°C~70°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
PCF8563TD PCF8563TD NXP Semiconductors 0.0000
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0.00000000
ISL12022MIBZ-TR5421 ISL12022MIBZ-TR5421 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel 2007 Active 1 20 EAR99 85°C -40°C 12.8mm RoHS Compliant No SOIC 2-Wire, I2C, Serial 5.5V 2.7V 7.5mm CMOS 2.65mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3V 30 20 INDUSTRIAL 1.27mm R-PDSO-G20 Timer or RTC 3/5V Clock 0.0005 % 128B HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
PCF85063ATL/1,118 PCF85063ATL/1,118 NXP Semiconductors 0.0000
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0.00000000 download 7 Weeks Cut Tape (CT) 2010 Active 1 (Unlimited) 10 EAR99 2.6mm ROHS3 Compliant 10-XFDFN Exposed Pad I2C, 2-Wire Serial 2.6mm Surface Mount -40°C~85°C CMOS 0.5mm 8542.39.00.01 Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED PCF85063 10 YES 0.5mm S-PDSO-N10 Timer or RTC Not Qualified 1.2/5V Alarm, Leap Year, Square Wave Output 0.9V~5.5V HH:MM:SS (12/24 hr) SECONDS Y YES I2C 1 YY-MM-DD-dd 0.6μA @ 3.3V
DS1374C-18# DS1374C-18# Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Obsolete 1 (Unlimited) 16 EAR99 1.8V 10.3mm ROHS3 Compliant No 16 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8473.30.11.80 1 Binary Counter e3 MATTE TIN DUAL 260 1.8V DS1374 16 1.27mm 1.71V 1 1.89V Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer NO Clock, Counter 1.71V~1.89V Binary 100μA @ 1.71V~1.89V 1.3V~3.7V
PCF8523T/1,118 PCF8523T/1,118 NXP Semiconductors 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2010 Active 1 (Unlimited) 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 DUAL NOT SPECIFIED 3V NOT SPECIFIED PCF8523 8 YES 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 1.2/5.5V Alarm, Leap Year, Watchdog Timer 1.6V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd 0.5μA @ 2V~5V 1.8V~5.5V
DS1677E+ DS1677E+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2009 yes Active 1 (Unlimited) 20 EAR99 6.5mm ROHS3 Compliant Lead Free 3-CHANNEL, 8-BIT ADC 20-TSSOP (0.173, 4.40mm Width) 3-Wire Serial 4.4mm Surface Mount 0°C~70°C CMOS 1.1mm 8542.31.00.01 Portable System Controller e3 Matte Tin (Sn) DUAL 260 5V 30 DS1677 20 YES 0.65mm R-PDSO-G20 Not Qualified 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
PCF85063TP/1Z PCF85063TP/1Z NXP Semiconductors 0.0000
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0.00000000 download 7 Weeks Cut Tape (CT) 2012 Active 1 (Unlimited) 8 3mm ROHS3 Compliant 8-WFDFN Exposed Pad I2C, 2-Wire Serial 2mm Surface Mount -40°C~85°C CMOS 0.8mm Clock/Calendar DUAL 3.3V PCF85063 8 YES 0.5mm R-PDSO-N8 Timers or RTCs Not Qualified 1.2/5V Alarm, Leap Year, Square Wave Output 0.9V~5.5V HH:MM:SS (12/24 hr) SECONDS N YES I2C 1 YY-MM-DD-dd 0.6μA @ 3.3V
DS1315-5 DS1315-5 Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 16-DIP (0.300, 7.62mm) Parallel Through Hole 0°C~70°C Phantom Time Chip Leap Year 16-PDIP 4.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 1.3mA @ 5V 2.5V~3.7V
DS17287-3 DS17287-3 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2012 no Obsolete 1 (Unlimited) 24 EAR99 3V 38.1mm Non-RoHS Compliant Contains Lead No 24 24-DIP Module (0.600, 15.24mm) Parallel Unknown 10.67mm 18.29mm Through Hole 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 3V DS17287 24 2.54mm Timer or RTC 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 2KB 2.7V~3.7V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
RTC-72421A:ROHS RTC-72421A:ROHS EPSON 0.0000
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0.00000000 download Through Hole Tube RTC-72421 Not For New Designs 1 (Unlimited) 5V ROHS3 Compliant No 18 18-DIP (0.300, 7.62mm) Parallel Through Hole 1.360805g -10°C~70°C Clock/Calendar Leap Year Clock 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA~10μA @ 2V~5V
DS1554W-120 DS1554W-120 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2005 yes Obsolete 1 (Unlimited) 32 EAR99 3.3V 43.053mm Non-RoHS Compliant Contains Lead No 32 32-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 3.3V DS1554 32 2.54mm Timer or RTC Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 32KB 2.97V~3.63V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V
RX-4045NB:AA3 RX-4045NB:AA3 EPSON 0.0000
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0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) RX-4045NB Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant 22 22-LFDFN SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 22-SON (5x6) 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
PT7C4337UEX PT7C4337UEX Diodes Incorporated 0.0000
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0.00000000 download 21 Weeks Surface Mount Tape & Reel (TR) 2007 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant No 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar DUAL 3.3V 0.65mm S-PDSO-G8 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 0.8μA @ 1.3V~1.8V
PCF8563TS/5,118 PCF8563TS/5,118 NXP Semiconductors 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2003 Active 1 (Unlimited) 8 3mm ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 2V 30 PCF8563 8 YES 0.65mm S-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 1 YY-MM-DD-dd 0.6μA~0.75μA @ 2V~5V
ISL1208IB8Z ISL1208IB8Z Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 14 Weeks Surface Mount Bulk 2003 Active 1 8 EAR99 85°C -40°C 5mm RoHS Compliant Lead Free Tin No 8 SOIC 2-Wire, I2C, Serial 5.5V No SVHC 2.7V 1.5mm 4mm CMOS e3 DUAL 260 3V 30 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock 2B HH:MM:SS 0.032MHz SECONDS Y I2C 2 B YY-MM-DD-dd
ISL1208IRT8Z-TK ISL1208IRT8Z-TK Renesas Electronics America 0.0000
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0.00000000 download 8 Weeks Tape & Reel (TR) 2004 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant 8-WDFN Exposed Pad I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 0.85mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3V NOT SPECIFIED ISL1208 8 YES 0.65mm S-PDSO-N8 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
DS32B35-33# DS32B35-33# Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2008 yes Obsolete 1 (Unlimited) 20 SMD/SMT EAR99 12.8mm ROHS3 Compliant 20 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial not_compliant 32.768kHz 7.5mm Surface Mount 0°C~70°C CMOS 2.65mm Clock/Calendar e3 TIN DUAL 260 3.3V NOT SPECIFIED DS32B35 20 1.27mm Timer or RTC Not Qualified 3 Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal Clock 2KB FRAM 8 2.7V~3.63V HH:MM:SS (12/24 hr) 1 MINUTES Y NO I2C 1 YY-MM-DD-dd 110μA @ 3.63V 2.3V~3.6V
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