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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 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 Supply Voltage-Min (Vsup) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Number of Outputs Feature Supplier Device Package Logic Function Access Time Accuracy Screening Level Memory Size RAM 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
ISL12029IB30AZ-T ISL12029IB30AZ-T Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) 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
DS1685S-3 DS1685S-3 Maxim Integrated 0.0000
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0.00000000 download Tube 2002 Obsolete 1 (Unlimited) 24 EAR99 15.4mm Non-RoHS Compliant Contains Lead 24-SOIC (0.295, 7.50mm Width) Parallel not_compliant 7.5mm Surface Mount 0°C~70°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 245 3V NOT SPECIFIED DS1685 24 YES 1.27mm R-PDSO-G24 Timer or RTC Not Qualified 3V Alarm, NVSRAM, Square Wave Output, Y2K 242B 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS YES 1 YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
X1228V14IZ-2.7A X1228V14IZ-2.7A Intersil 0.0000
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0.00000000
X1227V8-2.7A X1227V8-2.7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 8 EAR99 70°C 0°C 4.4mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 3mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 8 COMMERCIAL 0.65mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
ISL12020MIRZ-T7A ISL12020MIRZ-T7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 4 Weeks Surface Mount Cut Tape (CT) 2005 Active 1 20 EAR99 85°C -40°C 5.5mm RoHS Compliant Lead Free No 14 DFN 2-Wire, I2C, Serial 5.5V Unknown 2.7V 4mm CMOS 1.3mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 3V 20 INDUSTRIAL 0.5mm R-PDSO-N20 Timers or RTCs 3/5V Clock 0.0005 % 128B HH:MM:SS 0.032MHz SECONDS Y I2C 128 B YY-MM-DD-dd
M41T94MQ602 M41T94MQ602 STMicroelectronics 0.0000
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0.00000000 Through Hole 70°C 0°C RoHS Compliant Contains Lead 16 SOIC Parallel 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd
DS17885-3+ DS17885-3+ Maxim Integrated 0.0000
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0.00000000 download 9 Weeks Tube 2000 yes Obsolete 1 (Unlimited) 24 EAR99 31.75mm ROHS3 Compliant Lead Free 24-DIP (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN DUAL 260 3V 30 DS17885 24 NO 2.54mm R-PDIP-T24 Timer or RTC Not Qualified 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 8KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
DS17887-5IND DS17887-5IND Maxim Integrated 0.0000
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0.00000000 download Tube 2012 Obsolete 1 (Unlimited) 24 EAR99 33.782mm Non-RoHS Compliant Contains Lead 24-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole -40°C~85°C CMOS 9.398mm 8542.39.00.01 Clock/Calendar e0 TIN LEAD DUAL NOT SPECIFIED 5V NOT SPECIFIED DS17887 24 NO 2.54mm R-PDIP-T24 Timer or RTC Not Qualified 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 8KB 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
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
MCP7940NT-E/SNVAO MCP7940NT-E/SNVAO Microchip Technology 0.0000
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0.00000000 download Tape & Reel (TR) Automotive, AEC-Q100 Active 3 (168 Hours) 8 4.9mm 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial compliant 3.9mm Surface Mount -40°C~125°C CMOS 1.75mm Clock/Calendar DUAL 2.5V YES 1.27mm R-PDSO-G8 Alarm, Leap Year, Square Wave Output, SRAM AEC-Q100; TS 16949 64B 1.8V~5.5V HH:MM:SS (12/24 hr) I2C 1 YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
ISL12027AIB27Z-T ISL12027AIB27Z-T Intersil 0.0000
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0.00000000
ISL12029IV27AZ ISL12029IV27AZ 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 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
X1288S16-2.7A X1288S16-2.7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 1 16 EAR99 70°C 0°C 10.3mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 7.5mm CMOS 2.65mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED 16 COMMERCIAL 1.27mm R-PDSO-G16 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 YES I2C 1 YY-MM-DD-dd
X1227V8-2.7 X1227V8-2.7 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
M41T81SM6E M41T81SM6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 8 EAR99 5mm ROHS3 Compliant Lead Free No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial No SVHC 32kHz 1.25mm 4mm Surface Mount -40°C~85°C CMOS Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 5V 30 M41T81 8 Timer or RTC 3/5V 1 Alarm, Leap Year, Square Wave Output, Watchdog Timer Clock 20B 2.7V~5.5V HH:MM:SS:hh (24 hr) Y YES I2C 1 YY-MM-DD-dd 100μA @ 2.7V~5.5V 2V~3.5V
ISL12026AIBZ ISL12026AIBZ Intersil 0.0000
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0.00000000
BQ4845S-A4NG4 BQ4845S-A4NG4 Texas Instruments 0.0000
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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 28 EAR99 5V 17.9705mm ROHS3 Compliant Lead Free Gold No 28 28-SOIC (0.295, 7.50mm Width) Parallel 7.5565mm Surface Mount 730.794007mg -40°C~85°C CMOS 2.667mm 8542.39.00.01 Clock/Calendar e4 DUAL 260 5V BQ4845 28 1.27mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Clock 4.75V~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 2.3V~4V
X1288V14Z-4.5AT1 X1288V14Z-4.5AT1 Intersil 0.0000
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0.00000000
DS1685SN-3 DS1685SN-3 Maxim Integrated 0.0000
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0.00000000 download Tube 2005 Obsolete 1 (Unlimited) 24 EAR99 15.4mm Non-RoHS Compliant Contains Lead 24-SOIC (0.295, 7.50mm Width) Parallel not_compliant 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 245 3V NOT SPECIFIED DS1685 24 YES 1.27mm R-PDSO-G24 Timer or RTC Not Qualified 3V Alarm, NVSRAM, Square Wave Output, Y2K 242B 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS YES 1 YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
RTC-8564NB:B3 ROHS RTC-8564NB:B3 ROHS EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RTC-8564NB Active 1 (Unlimited) ROHS3 Compliant 22-SMD, 20 Leads, Flat Leads I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Y2K 22-SON 1.8V~5.5V HH:MM:SS YY-MM-DD-dd 0.7μA~0.8μA @ 3V~5V
RX-4045SA:AA0:PURE SN RX-4045SA:AA0:PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) 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
X1227S8I-4.5A X1227S8I-4.5A Intersil 0.0000
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0.00000000
RTC-72423B: PURE SN RTC-72423B: PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RTC-72423 Active 1 (Unlimited) ROHS3 Compliant 24-SOIC (0.311, 7.90mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Leap Year 24-SOP 4.5V~5.5V HH:MM:SS (12/24 hr) 5μA~10μA @ 2V~5V
DS1302N DS1302N Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-DIP (0.300, 7.62mm) 3-Wire Serial Through Hole -40°C~85°C Clock/Calendar Leap Year, NVSRAM, Trickle-Charger 8-PDIP 31B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.3μA~1μA @ 2V~5V 2V~5.5V
DS1742-100IND+ DS1742-100IND+ Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2012 yes Obsolete 1 (Unlimited) 24 EAR99 5V 37.595mm ROHS3 Compliant Lead Free No 24 24-DIP Module (0.600, 15.24mm) Parallel Unknown Through Hole -40°C~85°C CMOS 8.51mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V DS1742 24 2.54mm Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 2KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V
DS17285S-3 DS17285S-3 Maxim Integrated 0.0000
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0.00000000 download 111 Weeks Surface Mount 2010 24 EAR99 70°C 0°C 3V 17.9mm RoHS Compliant Contains Lead No 24 SOIC Parallel 3.7V 2.7V 7.5mm CMOS 2.67mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 245 3V 24 COMMERCIAL 1.27mm Timer or RTC 3V Clock 2kB HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd
DS17285SN-3+ DS17285SN-3+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tube 2000 yes Active 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 3V NOT SPECIFIED DS17285 24 YES 1.27mm R-PDSO-G24 Timer or RTC Not Qualified 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
DS1500YEN+ DS1500YEN+ Maxim Integrated 0.0000
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0.00000000 download Tray 2011 yes Obsolete 1 (Unlimited) 32 EAR99 18.4mm ROHS3 Compliant Lead Free 32-LFSOP (0.724, 18.40mm Width) Parallel 8mm Surface Mount -40°C~85°C CMOS 1.24mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS1500 32 YES 0.5mm R-PDSO-G32 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 256B 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
DS1670E+ DS1670E+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2005 yes Active 1 (Unlimited) 20 SMD/SMT EAR99 3.3V 6.5mm ROHS3 Compliant Lead Free Tin No 20 3-CHANNEL, 8-BIT ADC 20-TSSOP (0.173, 4.40mm Width) 3-Wire Serial Unknown 32.768kHz 4.4mm Surface Mount 0°C~70°C CMOS Portable System Controller e3 DUAL 260 3.3V 30 DS1670 20 0.65mm Timers or RTCs 1 Alarm, Leap Year, Watchdog Timer Clock 2.97V~3.63V HH:MM:SS (12/24 hr) 1 SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 100μA @ 3.3V 2.5V~3.7V
MAX6916EO33+T MAX6916EO33+T Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2013 yes Obsolete 1 (Unlimited) 20 EAR99 85°C -40°C 8.65mm ROHS3 Compliant Lead Free 20-SSOP (0.154, 3.90mm Width) SPI, 3-Wire Serial 3.9mm Surface Mount CMOS 1.73mm 8473.30.11.80 Clock/Calendar/Supervisor e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED MAX6916 20 INDUSTRIAL YES 0.635mm R-PDSO-G20 Timer or RTC Not Qualified 3.3V Clock 96B 8 3V~3.6V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
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