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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 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) Feature Supplier Device Package Number of Terminals Logic Function Accuracy Screening Level Memory Size 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
MCP7940M-I/SN MCP7940M-I/SN Microchip Technology 0.0000
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0.00000000 download 6 Weeks Tube 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 No SVHC 1.25mm 3.9mm Surface Mount -40°C~85°C CMOS Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP7940M YES 1.27mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y I2C 64 B 1 YY-MM-DD-dd 1μA @ 5.5V
X1205V8IZT1 X1205V8IZT1 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED X1205 Alarm, Leap Year 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
DS1643P-70 DS1643P-70 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 Obsolete 3 (168 Hours) 34 EAR99 25.019mm Non-RoHS Compliant Contains Lead 34-PowerCap™ Module Parallel not_compliant 23.495mm Surface Mount 0°C~70°C CMOS 2.3368mm 8542.39.00.01 Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED DS1643 34 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 5V Leap Year, NVSRAM Clock 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V 3V
DS1346T+ DS1346T+ Maxim Integrated 0.0000
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0.00000000 yes 8 EAR99 85°C -40°C 3.3V 3mm RoHS Compliant No 3mm CMOS 0.8mm 8473.30.11.80 DUAL 3.3V 8 INDUSTRIAL YES 0.65mm S-PDSO-N8 Timer or RTC 2.5/5V 5.5V Clock 8 HH:MM:SS 0.032MHz SECONDS Y YES SERIAL, 4 WIRE/SPI
X1286V14I X1286V14I Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Bulk 2005 1 (Unlimited) 14 EAR99 85°C -40°C 5mm Non-RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial not_compliant 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 30 14 INDUSTRIAL 0.65mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 3/5V 5.5V 31.3kB HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y NO I2C 1 YY-MM-DD-dd
MCP795B22T-I/ST MCP795B22T-I/ST Microchip Technology 0.0000
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0.00000000 download Tape & Reel (TR) 2011 Obsolete 1 (Unlimited) 14 EAR99 5mm ROHS3 Compliant ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ 14-TSSOP (0.173, 4.40mm Width) SPI 4.4mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN (SN) DUAL 5V MCP795B22 14 YES 0.65mm R-PDSO-G14 Timer or RTC Not Qualified 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer 64B 8 1.8V~5.5V HH:MM:SS:hh (12/24 hr) 10MHz 1/100SECOND Y NO YY-MM-DD-dd 1μA @ 1.8V~5.5V 1.3V~5.5V
DS1337S+C01 DS1337S+C01 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2013 Obsolete 1 (Unlimited) 85°C -40°C ROHS3 Compliant No 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar DS1337 Alarm, Leap Year, Square Wave Output 8-SOIC 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
X1227V8 X1227V8 Intersil 0.0000
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0.00000000
ISL12057IUZ ISL12057IUZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 5 Weeks Surface Mount 2008 Active 1 8 EAR99 85°C -40°C 3.3V 3mm RoHS Compliant Lead Free No 8 MSOP 2-Wire, I2C, Serial 3.6V 1.8V 3mm CMOS 1.1mm e3 Matte Tin (Sn) - annealed DUAL 260 3V 30 INDUSTRIAL 0.65mm Timer or RTC Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
RV-3049-C3-32.768KHZ-OPTION-B-TB-QC RV-3049-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 SPI, 4-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
DS1306N DS1306N Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2002 no Obsolete 1 (Unlimited) 16 EAR99 19.43mm Non-RoHS Compliant Contains Lead No 16 16-DIP (0.300, 7.62mm) SPI Unknown 4.45mm 7.87mm Through Hole -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1306 16 2.54mm Timer or RTC 3/5V Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger Clock 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
DS1344E-3+T&R DS1344E-3+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Digi-Reel® 2002 Active 1 (Unlimited) 85°C -40°C 3V ROHS3 Compliant No 20 20-TSSOP (0.173, 4.40mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar DS1344 Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger 20-TSSOP Clock 96B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.3V~5.5V
DS1743-100IND+ DS1743-100IND+ Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2012 yes Obsolete 1 (Unlimited) 28 EAR99 5V 38.225mm ROHS3 Compliant Lead Free No 28 28-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole -40°C~85°C CMOS 10.67mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V DS1743 28 2.54mm Timers or RTCs 5V Leap Year, NVSRAM, Y2K Clock 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V
X1288S16-2.7 X1288S16-2.7 Renesas Electronics America 0.0000
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0.00000000 download Tube 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 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
1339-2DCGI 1339-2DCGI 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 2V 4.9mm RoHS Compliant Lead Free Tin 8 SOIC 2-Wire, I2C, Serial 5.5V 1.4V 3.9mm 1.5mm CMOS 1.75mm e3 DUAL 260 3.3V 30 8 INDUSTRIAL 1.27mm Timer or RTC Not Qualified 2.5/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
X1205S8IT1 X1205S8IT1 Intersil 0.0000
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0.00000000
X1227S8Z-2.7A X1227S8Z-2.7A Rochester Electronics 0.0000
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0.00000000 download Tube yes Obsolete 1 (Unlimited) 8 4.9022mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9116mm Surface Mount 0°C~70°C CMOS 1.7272mm Clock/Calendar e3 MATTE TIN DUAL 260 5V 40 8 YES 1.27mm R-PDSO-G8 COMMERCIAL Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1288V14I-2.7AT1 X1288V14I-2.7AT1 Intersil Corporation 0.0000
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Min: 1

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0.00000000 1 EAR99 5mm Non-RoHS Compliant not_compliant 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 240 5V 30 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 1/100SECOND Y YES I2C 1
X1288S16I-2.7 X1288S16I-2.7 Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar X1288 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1226S8T2 X1226S8T2 Intersil 0.0000
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0.00000000
DS1284QN DS1284QN Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 28 11.505mm Non-RoHS Compliant ACCURACY 2 MIN/MONTH @ 25 DEGREE C; 1024 HZ FIXED O/P 28-LCC (J-Lead) Parallel unknown 11.505mm Surface Mount -40°C~85°C CMOS 4.57mm Clock/Calendar e0 TIN LEAD QUAD 245 5V NOT SPECIFIED 28 YES 1.27mm S-PQCC-J28 COMMERCIAL Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer 50B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 7mA @ 5V 2.4V~3.5V
MCP795B12T-I/SL MCP795B12T-I/SL Microchip Technology 0.0000
RFQ

Min: 1

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0.00000000 download Tape & Reel (TR) 2011 Obsolete 1 (Unlimited) 14 EAR99 8.65mm ROHS3 Compliant ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ 14-SOIC (0.154, 3.90mm Width) SPI 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN (SN) DUAL 5V MCP795B12 14 YES 1.27mm R-PDSO-G14 Timer or RTC Not Qualified 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer 64B 8 1.8V~5.5V HH:MM:SS:hh (12/24 hr) 10MHz 1/100SECOND Y NO YY-MM-DD-dd 1μA @ 1.8V~5.5V 1.3V~5.5V
ISL12022MIBZ ISL12022MIBZ Intersil (Renesas Electronics America) 0.0000
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Min: 1

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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
CDP68HC68T1EZ CDP68HC68T1EZ Intersil 0.0000
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0.00000000
X1227S8Z-2.7 X1227S8Z-2.7 Intersil Corporation 0.0000
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0.00000000 1 EAR99 4.9022mm RoHS Compliant compliant 3.9116mm CMOS 1.7272mm 8542.39.00.01 e3 MATTE TIN DUAL GULL WING 260 5V 40 8 COMMERCIAL YES 1.27mm R-PDSO-G8 2.7V 70°C Timer or RTC Not Qualified 3/5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1
DS1673E-5 DS1673E-5 Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tube 2009 no Obsolete 1 (Unlimited) 20 EAR99 6.5mm Non-RoHS Compliant Contains Lead 3-CHANNEL, 8-BIT ADC 20-TSSOP (0.173, 4.40mm Width) 3-Wire Serial not_compliant 4.4mm Surface Mount 0°C~70°C MOS 1.1mm 8542.39.00.01 Portable System Controller e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1673 20 YES 0.65mm R-PDSO-G20 Timer or RTC Not Qualified 5V Alarm, Leap Year, Watchdog Timer 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
RTC-4543SA:A0:ROHS RTC-4543SA:A0:ROHS EPSON 0.0000
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0.00000000 Surface Mount 85°C -40°C RoHS Compliant 14 SOIC Serial 5.5V Unknown 2.5V 338.011364mg Clock HH:MM:SS (24 hr) YY-MM-DD-dd
DS14285SN+T&R DS14285SN+T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2005 Obsolete 1 (Unlimited) ROHS3 Compliant Lead Free 24-SOIC (0.295, 7.50mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar DS14285 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 24-SOIC 114B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.5μA @ 4.5V~5.5V 2.5V~3.6V
MCP79400T-I/MS MCP79400T-I/MS Microchip Technology 0.0000
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Min: 1

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0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2011 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant 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) - annealed DUAL 260 2.5V 40 MCP79400 8 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Clock TS 16949 64B 1.8V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 1.2μA Typ @ 3.3V 1.3V~5.5V
RX-4045SA:AA:PURE SN RX-4045SA:AA:PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RX-4045SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar Alarm 14-SOP 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
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