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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) Operating Temperature (Min) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Voltage Number of Outputs Feature Supplier Device Package Number of Terminals Logic Function Access Time Screening Level Memory Size Number of Bits Supply Current-Max 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
IDT1339-2DVGI8 IDT1339-2DVGI8 Integrated Device Technology (IDT) 0.0000
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0.00000000 Surface Mount Tape & Reel (TR) 85°C -40°C RoHS Compliant 8 TSSOP 2-Wire, I2C, Serial HH:MM:SS (12/24 hr) YY-MM-DD-dd
X1228V14-2.7 X1228V14-2.7 Renesas Electronics America Inc. 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1228 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
DS1339AD+ DS1339AD+ Maxim Integrated 0.0000
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0.00000000 download Surface Mount 2002 85°C -40°C RoHS Compliant 2-Wire, I2C, Serial HH:MM:SS (12/24 hr) YY-MM-DD-dd
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
DS1244W-120+ DS1244W-120+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tube 2007 yes Active 1 (Unlimited) 28 EAR99 38.862mm ROHS3 Compliant Lead Free 28-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 9.398mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1244 28 NO 2.54mm R-PDIP-P28 Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM 32KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N YES YY-MM-DD-dd 7mA @ 3.3V
DS1678ST DS1678ST Maxim Integrated 0.0000
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0.00000000 download 2001 yes 1 8 EAR99 5.31mm RoHS Compliant Contains Lead compliant 5.285mm CMOS 2.13mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL GULL WING 260 5V 30 8 INDUSTRIAL YES 1.27mm R-PDSO-G8 4.5V 85°C -40°C Timer or RTC Not Qualified 5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C
DS1689 DS1689 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2005 no Obsolete 1 (Unlimited) 28 EAR99 36.83mm Non-RoHS Compliant Contains Lead 28 AUXILIARY BATTERY I/P; POWER ON INTRPT WITH KICK START; RAM CLEAR I/P; 64-BIT SILICON SERIAL NUMBER 28-DIP (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 245 5V NOT SPECIFIED DS1689 28 2.54mm Timer or RTC Not Qualified 3/5V NVSRAM Clock 114B 16 2.7V~3.3V 4.5V~5.5V HH:MM:SS (12/24 hr) 8 SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 3V 3mA @ 5V 2.5V~3.7V
DS1386-8-120+ DS1386-8-120+ Maxim Integrated 0.0000
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0.00000000 download Tube 2007 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 NOT SPECIFIED 5V NOT SPECIFIED DS1386 32 NO 2.54mm R-PDIP-P32 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer 8KB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 0.032MHz 1/100SECOND Y NO 1 YY-MM-DD-dd 4mA @ 5V
DS3605C+ DS3605C+ Maxim Integrated 0.0000
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0.00000000 RoHS Compliant No 25
DS1302ZN+ DS1302ZN+ 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 5mm ROHS3 Compliant Lead Free Tin No 8 BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA 8-SOIC (0.154, 3.90mm Width) 3-Wire Serial Unknown 32.768kHz 1.5mm 4mm Surface Mount -40°C~85°C CMOS Clock/Calendar e3 DUAL 260 3.3V DS1302 8 Timer or RTC 3/5V 7V 1 Leap Year, NVSRAM, Trickle-Charger Clock 31B 2V~5.5V HH:MM:SS (12/24 hr) SECONDS N YES SERIAL, 3-WIRE YY-MM-DD-dd 0.3μA~1μA @ 2V~5V 2V~5.5V
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
DS1338U-18+T&R DS1338U-18+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2013 Active 1 (Unlimited) 85°C -40°C 1.8V ROHS3 Compliant Tin No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar DS1338 Leap Year, NVSRAM, Square Wave Output 8-uMAX Clock 56B 1.71V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 100μA @ 1.89V 1.3V~3.7V
ISL1208IU8 ISL1208IU8 Renesas Electronics America 0.0000
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0.00000000 download Tube 2004 Obsolete 1 (Unlimited) 8 3mm Non-RoHS Compliant 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 DUAL 3V ISL1208 YES 0.65mm S-PDSO-G8 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
BQ4802LYPW BQ4802LYPW Texas Instruments 0.0000
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0.00000000 6 Weeks ACTIVE (Last Updated: 3 days ago) Surface Mount Tube yes Active 1 (Unlimited) 28 EAR99 3.3V 9.7mm ROHS3 Compliant Lead Free Gold No 28 28-TSSOP (0.173, 4.40mm Width) Parallel No SVHC 1.2mm 4.4mm 1mm Surface Mount 117.508773mg 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e4 DUAL 260 3.3V BQ4802 28 0.65mm Timer or RTC Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Clock 9mA 2.7V~3.6V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 1.5mA Typ @ 2.7 V~3.6 V 2.4V~4V
M41T82SM6E M41T82SM6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 8 EAR99 5mm ROHS3 Compliant No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 1.25mm 4mm Surface Mount -40°C~85°C CMOS Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 5V 30 M41T82 8 1.27mm Timers or RTCs 3.3/5V Alarm, Leap Year, SRAM, Watchdog Timer Clock 7B 8 3V~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
MCP795W20-I/ST MCP795W20-I/ST Microchip Technology 0.0000
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0.00000000 download 5 Weeks Surface Mount Tube 2012 Active 1 (Unlimited) 14 EAR99 5.1mm ROHS3 Compliant Lead Free No 14 ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ 14-TSSOP (0.173, 4.40mm Width) SPI 1.05mm 4.5mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 5V 40 MCP795W20 14 0.65mm Timer or RTC 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 64B 8 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 10MHz 1/100SECOND Y NO YY-MM-DD-dd 1μA @ 1.8V~5.5V 1.3V~3.6V
PCF8564ACX9/1,005 PCF8564ACX9/1,005 NXP Semiconductors 0.0000
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0.00000000 download Bulk 2003 Obsolete 1 (Unlimited) ROHS3 Compliant Die I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar PCF8564 Alarm, Leap Year, Square Wave Output, Watchdog Timer 1V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.6μA~0.75μA @ 2V~5V
PT7C4302WE PT7C4302WE Diodes Incorporated 0.0000
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0.00000000 download 9 Weeks Surface Mount Tube 2015 Last Time Buy 3 (168 Hours) 8 EAR99 4.9mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) 3-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN DUAL 260 2V 40 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 1.5/5V Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 31B 1.2V~5.5V HH:MM:SS (12/24 hr) SECONDS N NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 1.5V~5.5V
PT7C433833WE PT7C433833WE Diodes Incorporated 0.0000
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0.00000000 download 9 Weeks Tube Last Time Buy 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 3/5V Leap Year, NVSRAM, Square Wave Output 56b 2.7V~5.5V HH:MM:SS (12/24 hr) SECONDS N NO I2C 1 YY-MM-DD-dd 125μA @ 2.7V~5.5V 1.5V~3.7V
PCF8563TS-T PCF8563TS-T NXP Semiconductors 0.0000
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0.00000000
DS17485SN-5+ DS17485SN-5+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2000 yes Obsolete 1 (Unlimited) 24 EAR99 17.9mm ROHS3 Compliant Lead Free 24-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount -40°C~85°C CMOS 2.67mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS17485 24 YES 1.27mm R-PDSO-G24 Timer or RTC Not Qualified 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 4KB 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
MCP79400T-I/SN MCP79400T-I/SN Microchip Technology 0.0000
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0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 1998 Active 1 (Unlimited) 8 EAR99 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 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP79400 8 1.27mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Clock TS 16949 1.8V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y I2C 64 B 1 YY-MM-DD-dd 1.2μA Typ @ 3.3V 1.3V~5.5V
ISL1218IUZ-T ISL1218IUZ-T Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tape & Reel (TR) 2004 Active 2 (1 Year) EAR99 ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED ISL1218 8 Alarm, Leap Year, SRAM 8B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
PT7C4363BQ1WEX PT7C4363BQ1WEX Diodes Incorporated 0.0000
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0.00000000 download 12 Weeks Tape & Reel (TR) Automotive, AEC-Q100 Active 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, SMBus Surface Mount -40°C~125°C Clock/Calendar Alarm 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1.5μA @ 5V 3V
BQ4802YPWRG4 BQ4802YPWRG4 Texas Instruments 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 1 (Unlimited) 28 EAR99 9.7mm ROHS3 Compliant Lead Free 28 28-TSSOP (0.173, 4.40mm Width) Parallel unknown 4.4mm Surface Mount 117.508773mg 0°C~70°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar DUAL NOT SPECIFIED 5V NOT SPECIFIED BQ4802 28 0.65mm Timer or RTC Not Qualified 5V Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Clock 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.4V~4V
MCP79512-I/MS MCP79512-I/MS Microchip Technology 0.0000
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0.00000000 download 6 Weeks Tube 2012 Active 1 (Unlimited) 10 EAR99 3mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 3V 40 MCP79512 YES 0.5mm Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID Clock 64B 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 5MHz YY-MM-DD-dd 1μA @ 1.8V~3.6V 1.3V~3.6V
ISL12028IV30AZ ISL12028IV30AZ Renesas Electronics America 0.0000
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0.00000000 download Tube 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 Alarm, Leap Year, Supervisor, Watchdog Timer 14-TSSOP 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
X1228V14IZ X1228V14IZ Intersil Corporation 0.0000
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0.00000000 1 EAR99 5mm RoHS Compliant compliant 4.4mm CMOS 1.2mm 8542.39.00.01 e3 MATTE TIN DUAL GULL WING 260 5V 40 14 INDUSTRIAL YES 0.65mm R-PDSO-G14 2.7V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V 14 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1
ISL12029AIV27Z-T ISL12029AIV27Z-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel 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 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
X1288S16-4.5AT1 X1288S16-4.5AT1 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°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
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