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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 Package / Case Interface Max Supply Voltage REACH SVHC Reach Compliance Code Min Supply Voltage Frequency Height Width Mounting Type Weight Operating Temperature Technology Operating Supply Current 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 Logic Function Access Time Memory Size Memory Type 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 Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
1339-2DCGI 1339-2DCGI Renesas Electronics America 0.0000
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0.00000000 download 12 Weeks Tube Active 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1339 Alarm, Leap Year, Square Wave Output, Trickle-Charger 8-SOIC 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 3.63V~5.5V 1.3V~3.7V
DS1315EN-5+ DS1315EN-5+ Maxim Integrated 0.0000
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0.00000000 download Tube 2011 yes Obsolete 1 (Unlimited) 20 EAR99 6.5mm ROHS3 Compliant Lead Free 4.4mm CMOS 1.1mm 8542.39.00.01 e3 MATTE TIN DUAL GULL WING 260 5V 30 20 INDUSTRIAL YES 0.65mm R-PDSO-G20 4.5V 85°C -40°C Timer or RTC Not Qualified 5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND N YES SERIAL, FIXED PROTOCOL
DS1305EN DS1305EN Maxim Integrated 0.0000
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0.00000000 download Tube 2002 no Obsolete 1 (Unlimited) 20 EAR99 6.5mm Non-RoHS Compliant Contains Lead 20-TSSOP (0.173, 4.40mm Width) SPI not_compliant 4.4mm Surface Mount -40°C~85°C CMOS 1.1mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1305 20 YES 0.65mm R-PDSO-G20 Timer or RTC Not Qualified 3/5V Alarm, Leap Year, NVSRAM, Trickle-Charger 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
DS2415P DS2415P Maxim Integrated 0.0000
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0.00000000 download Tube 2001 Obsolete 1 (Unlimited) 6 EAR99 3.94mm Non-RoHS Compliant Contains Lead 6-LSOJ (0.148, 3.76mm Width) 1-Wire® Serial 3.76mm Surface Mount -40°C~85°C CMOS 1.5mm 8542.39.00.01 Binary Counter e3 Matte Tin (Sn) DUAL 260 3V 30 DS2415 6 YES 1.27mm R-PDSO-C6 Not Qualified Unique ID 2.5V~5.5V Binary 0.032MHz SERIAL, 1-WIRE 0.25μA~0.45μA @ 3V~5V 2.5V~5.5V
BQ4845YS-A4NTRG4 BQ4845YS-A4NTRG4 Texas Instruments 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) yes 1 28 EAR99 85°C -40°C 5V 17.9705mm RoHS Compliant Contains Lead No 28 SOIC Parallel 5.5V 4.5V 7.5565mm 730.794007mg CMOS 2.667mm 8542.39.00.01 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 5V 28 INDUSTRIAL 1.27mm Timer or RTC 5V Clock HH:MM:SS 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd
DS1251WP-C01+ DS1251WP-C01+ Maxim Integrated 0.0000
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0.00000000 download Bulk 2011 Obsolete 1 (Unlimited) ROHS3 Compliant Parallel 0°C~70°C Phantom Time Chip DS1251 Leap Year, NVSRAM 512KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 7mA @ 3.3V 3V
ISL1219IUZ ISL1219IUZ Intersil 0.0000
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0.00000000
RTC-4574JE:B ROHS RTC-4574JE:B ROHS EPSON 0.0000
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0.00000000 download 13 Weeks RTC-4574JE Active 1 (Unlimited) ROHS3 Compliant 20-LSSOJ (0.213, 5.40mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm 20-VSOJ 1.6V~5.5V 1μA~2μA @ 3V~5V
MAX6917EO33+ MAX6917EO33+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tube 2013 yes Obsolete 1 (Unlimited) 20 EAR99 8.65mm ROHS3 Compliant Lead Free 20-SSOP (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.73mm 8473.30.11.80 Clock/Calendar/Supervisor e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED MAX6917 20 YES 0.635mm R-PDSO-G20 Timer or RTC Not Qualified 3.3V Clock 96B 3V~3.6V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
RX-4574LC:B3PURESN RX-4574LC:B3PURESN EPSON 0.0000
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0.00000000
X1228V14Z-2.7 X1228V14Z-2.7 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 e3 MATTE TIN NOT SPECIFIED NOT SPECIFIED 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
PT7C4302WEX PT7C4302WEX Diodes Incorporated 0.0000
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0.00000000 download 18 Weeks Surface Mount Tape & Reel (TR) 2015 Active 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant 8 8-SOIC (0.154, 3.90mm Width) 3-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Clock/Calendar DUAL 2V PT7C4302 1.27mm 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
ISL12029IBZ-T ISL12029IBZ-T Renesas Electronics America 0.0000
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0.00000000 download Cut Tape (CT) Obsolete 2 (1 Year) ROHS3 Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12029 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
ISL12027IBZ ISL12027IBZ Rochester Electronics 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 Alarm, Leap Year, Supervisor, Watchdog Timer 8-SOIC 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
PCF8563T/5,518 PCF8563T/5,518 NXP Semiconductors 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2003 Active 2 (1 Year) 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 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 2V NOT SPECIFIED PCF8563 8 YES 1.27mm R-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 YY-MM-DD-dd 0.6μA~0.75μA @ 2V~5V
M48T37Y-70MH6F M48T37Y-70MH6F STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Timekeeper® Obsolete 1 (Unlimited) 44 EAR99 5V 18.1mm ROHS3 Compliant Lead Free 44 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT Parallel 70GHz 8.56mm Surface Mount -40°C~85°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar DUAL 260 5V 10 M48T37 44 0.81mm Timer or RTC Not Qualified 5V Alarm, Leap Year, Watchdog Timer Clock 70 ns 250kB 8 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
RV-3049-C3-32.768KHZ-OPTION-B-TA-QC RV-3049-C3-32.768KHZ-OPTION-B-TA-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~85°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
ISL12028AIV27Z-T ISL12028AIV27Z-T Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm 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
DS1501YZ+T&R DS1501YZ+T&R Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 8 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 70°C 0°C 5V ROHS3 Compliant No 28 28-SOIC (0.295, 7.50mm Width) Parallel 5.5V 4.5V Surface Mount 0°C~70°C Clock/Calendar DS1501 Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 28-SOIC Clock 256B 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
RV-3029-C2-32.768KHZ-OPTION-B-TB-QA RV-3029-C2-32.768KHZ-OPTION-B-TB-QA 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-TCDFN Exposed Pad 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
DS1307Z+ DS1307Z+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 6 Weeks Surface Mount Tube 2005 yes Active 1 (Unlimited) 8 EAR99 5V 5mm ROHS3 Compliant Lead Free Tin No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial No SVHC 32.768kHz 1.5mm 4mm Surface Mount 540.001716mg 0°C~70°C CMOS 1.5mA Clock/Calendar e3 DUAL 260 5V DS1307 8 Timer or RTC 5V 5V 1 Leap Year, NVSRAM, Square Wave Output Clock 56B RAM 4.5V~5.5V HH:MM:SS (12/24 hr) SECONDS N YES I2C 1 YY-MM-DD-dd 200μA @ 5V 2V~3.5V
DS1338C-33#T&R DS1338C-33#T&R Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant Tin No 16 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 5.5V 3V Surface Mount 665.986997mg -40°C~85°C Clock/Calendar DS1338 Leap Year, NVSRAM, Square Wave Output 16-SOIC Clock 56B 3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 125μA~200μA @ 3.63V~5.5V 1.3V~3.7V
CV193DPAG8 CV193DPAG8 Integrated Device Technology (IDT) 0.0000
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Min: 1

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0.00000000 download 2009 RoHS Compliant No TSSOP
DS12C887A+ DS12C887A+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 11 Weeks Tube 2000 yes Active 1 (Unlimited) 24 EAR99 ROHS3 Compliant Lead Free 24 24-DIP Module (0.600, 15.24mm) Parallel not_compliant Through Hole 0°C~70°C CMOS Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS12C887 24 NO 2.54mm Timer or RTC Not Qualified 5V 8 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 113B 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
DS1643-100+ DS1643-100+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tube 2005 yes Obsolete 1 (Unlimited) 28 EAR99 37.595mm ROHS3 Compliant 28-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 9.02mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1643 28 NO 2.54mm R-XDMA-P28 Timer or RTC Not Qualified 5V Leap Year, NVSRAM 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO 1 YY-MM-DD-dd 3mA @ 5V
RX-8035SA:AA3:PURE SN RX-8035SA:AA3:PURE SN EPSON 0.0000
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Min: 1

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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8035SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC, Non-Standard I2C, 2-Wire Serial Surface Mount -40°C~85°C Time Event Recorder Alarm 14-SOP 2.4V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5μA @ 3V 1V~5.5V
Q41802551000200 Q41802551000200 Seiko 0.0000
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Min: 1

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0.00000000
RTC-7301SF:B ROHS RTC-7301SF:B ROHS EPSON 0.0000
RFQ

Min: 1

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0.00000000 download 13 Weeks Active 1 (Unlimited) ROHS3 Compliant 24-SOP (0.213, 5.40mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Alarm 24-SSOP 2.4V~5.5V 1μA~2μA @ 3V~5V
X1227V8-2.7 X1227V8-2.7 Renesas Electronics America 0.0000
RFQ

Min: 1

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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
DS1338Z-3+ DS1338Z-3+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 7 Weeks Surface Mount Tube 2006 yes Active 1 (Unlimited) 8 EAR99 3V 5mm ROHS3 Compliant Contains Lead No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Unknown 1.5mm 4mm Surface Mount 540.001716mg -40°C~85°C CMOS Clock/Calendar e3 Tin (Sn) DUAL 260 3V DS1338 8 1.27mm Timer or RTC 3V Leap Year, NVSRAM, Square Wave Output Clock 56B 2.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd 200μA @ 3.3V 1.3V~3.7V
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