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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 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 (Min) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Max Power Dissipation Number of Outputs Feature Number of Voltages Monitored 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
DS1344D-33+ DS1344D-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 14 EAR99 3.3V 3mm ROHS3 Compliant No 14 14-WFDFN Exposed Pad SPI 3mm Surface Mount -40°C~85°C CMOS 0.8mm 8542.39.00.01 Clock/Calendar e3 TIN DUAL 260 3.3V 30 DS1344 14 0.4mm Timers or RTCs Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger Clock 96B 3V~5.5V HH:MM:SS (12/24 hr) 4MHz SECONDS Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 120μA~160μA @ 3.63V~5.5V 1.3V~5.5V
DS1615S/T&R DS1615S/T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2000 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 16-SOIC (0.295, 7.50mm Width) 3-Wire Serial Surface Mount -40°C~85°C Temperature Recorder DS1615 Alarm, Leap Year, Unique ID, Y2K 16-SOIC 32B 4V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.5μA @ 5V 2.7V~4.95V
RV-3029-C3-32.768KHZ-OPTION-A-TB-QA RV-3029-C3-32.768KHZ-OPTION-A-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-VCDFN 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
RTC-4543SA:B0:PURE SN RTC-4543SA:B0:PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RTC-4543SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar 14-SOP 2.5V~5.5V 1μA~3μA @ 2V~5V
RX-8581SA:B0:PURE SN RX-8581SA:B0:PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8581SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 14-SOP 1.8V~5.5V 800nA~1.2μA @ 3V~5V
RTC-63423B RTC-63423B EPSON 0.0000
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0.00000000 Surface Mount Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 24-SOIC (0.311, 7.90mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Alarm 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd
RX-8035SA:B0 RX-8035SA:B0 EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8035SA Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant 14-SOIC, Non-Standard I2C, 2-Wire Serial 5.5V 2.4V Surface Mount 240.999296mg -40°C~85°C Time Event Recorder Alarm 14-SOP Clock 2.4V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5μA @ 3V 1V~5.5V
RX-8571NB:B3PURESN RX-8571NB:B3PURESN EPSON 0.0000
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0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) RX-8571NB Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant 22 22-LFDFN I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, RAM 22-SON (5x6) 16B 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.55μA~0.6μA @ 3V~5V
DS1307N DS1307N Maxim Integrated 0.0000
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0.00000000 download Tube 2001 yes Obsolete 1 (Unlimited) 8 EAR99 9.375mm Non-RoHS Compliant Contains Lead 8-DIP (0.300, 7.62mm) I2C, 2-Wire Serial 7.62mm Through Hole -40°C~85°C CMOS 4.572mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS1307 8 NO 2.54mm R-PDIP-T8 Timer or RTC Not Qualified 5V Leap Year, NVSRAM, Square Wave Output 56B 4.5V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N YES I2C 1 YY-MM-DD-dd 200μA @ 5V 2V~3.5V
DS1371U+ DS1371U+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2007 yes Active 1 (Unlimited) 8 EAR99 3.3V 3.1mm ROHS3 Compliant Lead Free No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Unknown 400kHz 950μm 3.1mm Surface Mount -40°C~85°C CMOS Binary Counter e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1371 8 0.65mm Timer or RTC 1 Alarm, Square Wave Output, Watchdog Timer Clock, Counter 1.7V~5.5V Binary SECONDS Y SERIAL, 2-WIRE/I2C 1 1.3μA @ 1.7V~5.5V
DS1338Z-33+T DS1338Z-33+T Maxim Integrated 0.0000
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0.00000000 download 2006 yes 1 8 EAR99 4.9mm Non-RoHS Compliant Lead Free 8 SOIC 3.9mm CMOS 1.75mm e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V NOT SPECIFIED 8 INDUSTRIAL YES 1.27mm 3V -40°C Timer or RTC Not Qualified 3.3V 3.63V TIMER, REAL TIME CLOCK 0.032MHz SECONDS N NO I2C 1
DS1305E/T&R DS1305E/T&R Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2002 Obsolete 1 (Unlimited) 70°C 0°C Non-RoHS Compliant Contains Lead No 20 20-TSSOP (0.173, 4.40mm Width) SPI 5.5V No SVHC 2V Surface Mount 0°C~70°C Clock/Calendar DS1305 Alarm, Leap Year, NVSRAM, Trickle-Charger 20-TSSOP Clock 96B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
DS1307ZN DS1307ZN Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 8 4.9mm Non-RoHS Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Clock/Calendar e0 TIN LEAD DUAL 245 5V NOT SPECIFIED 8 YES 1.27mm R-PDSO-G8 COMMERCIAL Leap Year, NVSRAM, Square Wave Output 56B 4.5V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 200μA @ 5V 2V~3.5V
DS1672U-33+ DS1672U-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2002 yes Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS Binary Counter e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1672 8 YES 0.65mm Timers or RTCs Not Qualified 3.3V 1 Trickle-Charger 32 2.97V~3.63V Binary SECONDS N NO I2C 500μA @ 3.63V 1.3V~3.63V
DS1554WP-120IND DS1554WP-120IND Maxim Integrated 0.0000
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0.00000000 download Tube 2005 Obsolete 3 (168 Hours) 34 EAR99 Non-RoHS Compliant Contains Lead 34-PowerCap™ Module Parallel not_compliant Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e0 TIN LEAD DUAL 240 3.3V NOT SPECIFIED DS1554 34 YES R-XDMA-U34 Timer or RTC Not Qualified 3.3V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 32KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V 3V
DS1672S-33 DS1672S-33 Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Binary Counter Trickle-Charger 8-SOIC 2.97V~3.63V Binary Binary 500μA @ 3.63V 1.3V~3.63V
DS1393U-18+ DS1393U-18+ Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2002 yes Obsolete 1 (Unlimited) 10 EAR99 85°C -40°C 1.8V 3mm ROHS3 Compliant Lead Free No 10 UMAX Serial 1.89V 1.71V 3mm CMOS 1.1mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL 260 1.8V 30 10 INDUSTRIAL 0.5mm Timers or RTCs Clock HH:MM:SS:hh 0.032MHz Y NO 1 YY-MM-DD-dd
ISL12029IB27AZ ISL12029IB27AZ Rochester Electronics 0.0000
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0.00000000 download Tube 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 Alarm, Leap Year, Supervisor, Watchdog Timer 14-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
ISL12028IB27AZ ISL12028IB27AZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 Active 2 14 EAR99 85°C -40°C 3.3V 8.65mm RoHS Compliant No 14 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 3.9mm CMOS 1.75mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
BQ4845YS-A4G4 BQ4845YS-A4G4 Texas Instruments 0.0000
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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 28 EAR99 5V 18mm ROHS3 Compliant Lead Free Gold No 28 28-SOIC (0.295, 7.50mm Width) Parallel 2.35mm 7.52mm Surface Mount 730.794007mg 0°C~70°C CMOS 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 4.5V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.3V~4V
ISL12029IB27AZ ISL12029IB27AZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 Active 2 14 EAR99 85°C -40°C 3.3V 8.75mm RoHS Compliant No 14 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 1.5mm 4mm CMOS 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
DS3234SN#T&R DS3234SN#T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2010 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant Tin No 20 20-SOIC (0.295, 7.50mm Width) SPI 5.5V 2V Surface Mount -40°C~85°C Clock/Calendar DS3234 Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal 20-SOIC Clock 256B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 120μA~160μA @ 3.63V~5.5V 2V~3.8V
ISL12024IBZ ISL12024IBZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 6 Weeks Surface Mount 1999 Active 1 8 SMD/SMT EAR99 85°C -40°C 3.3V 5mm RoHS Compliant No 8 SOIC 2-Wire, I2C, Serial 5.5V No SVHC 2.7V 400kHz 1.5mm 4mm CMOS e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 30 INDUSTRIAL Timer or RTC 3/5V 1 Clock 512B EEPROM HH:MM:SS SECONDS Y NO I2C YY-MM-DD-dd
BQ3285EP BQ3285EP Texas Instruments 0.0000
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0.00000000 download Through Hole Tube yes Obsolete 1 (Unlimited) 24 EAR99 5V 31.75mm ROHS3 Compliant Lead Free Tin No 24 24-DIP (0.600, 15.24mm) Parallel Through Hole 0°C~70°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e3 DUAL 5V BQ3285 24 2.54mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 300μA @ 5V 2.5V~4V
X1228V14-2.7A X1228V14-2.7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 14 EAR99 70°C 0°C 5mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 14 COMMERCIAL 0.65mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 3/5V 5.5V HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
M41ST84YMQ6E M41ST84YMQ6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 16 EAR99 9.9mm ROHS3 Compliant 16-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 5V 30 M41ST 16 1.27mm R-PDSO-G16 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer 44B 4.5V~5.5V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y YES I2C 1 YY-MM-DD-dd 1mA @ 4.5V~5.5V 2.5V~3.5V
X1286V14I X1286V14I Renesas Electronics America 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 -40°C~85°C Clock/Calendar X1286 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
M48T212V-85MH1E M48T212V-85MH1E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Timekeeper® Obsolete 3 (168 Hours) 44 EAR99 3.3V ROHS3 Compliant 44 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT Parallel 85GHz 8.56mm Surface Mount 0°C~70°C CMOS 10mA 3.05mm Clock/Calendar DUAL 260 3.3V 10 M48T212 44 Timer or RTC Not Qualified 1W Alarm, Leap Year, Watchdog Timer, Y2K 1 85 ns 3V~3.6V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 2mA @ 3V~3.6V 3V
DS17285S-3+ DS17285S-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 0°C~70°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
DS1244W-120 DS1244W-120 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2016 Obsolete 1 (Unlimited) 28 EAR99 38.862mm Non-RoHS Compliant Lead Free No 28 ALSO REQUIRES 4.5 TO 5.5 VOLTS 28-DIP Module (0.600, 15.24mm) Parallel 120GHz 15.24mm Through Hole 0°C~70°C CMOS 9.398mm 8542.39.00.01 Phantom Time Chip e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V DS1244 28 2.54mm Timer or RTC 5V Leap Year, NVSRAM Clock 120 ns 32KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V
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