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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 Height Seated (Max) HTS Code Number of Functions 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) Number of Channels Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Number of Outputs Feature Adjustable Threshold Supplier Device Package Source Url Status Check Date Logic Function Memory Size 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
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
DS17485SN-5 DS17485SN-5 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2010 Obsolete 1 (Unlimited) 24 EAR99 5V 17.9mm Non-RoHS Compliant Contains Lead No 24 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 e0 Tin/Lead (Sn/Pb) DUAL 245 5V DS17485 24 1.27mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 4KB 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
DS1557WP-120IND DS1557WP-120IND Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 34 Non-RoHS Compliant 34-PowerCap™ Module Parallel Surface Mount -40°C~85°C Clock/Calendar e0 TIN LEAD DUAL 240 3.3V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 512KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 4mA @ 3.3V 3V
ISL12023IVZ ISL12023IVZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 1999 Active 1 14 EAR99 85°C -40°C 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 3V 14 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock 128B HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
AB0815-T3 AB0815-T3 Abracon LLC 0.0000
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0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 85°C -40°C RoHS Compliant Lead Free No 16-VFQFN Exposed Pad SPI 3.6V 1.7V Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer 16-QFN (3x3) Clock 256B 1.7V~3.6V HH:MM:SS:hh 256 B YY-MM-DD-dd 0.17μA~0.22μA @ 1.8V~3V 1.5V~3.6V
PCF8593T,112 PCF8593T,112 NXP Semiconductors / Freescale 0.0000
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0.00000000 download Surface Mount Rail/Tube 85°C -40°C Non-RoHS Compliant 8 SO 6V 1V 8 2013-06-14 00:00:00 HH:MM:SS:hh
R2061L01-E2 R2061L01-E2 Ricoh Electronic Devices Company 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant
PCF8563TS-T PCF8563TS-T NXP Semiconductors 0.0000
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0.00000000
RV5C338A-E2-FB RV5C338A-E2-FB Ricoh Electronic Devices Company 0.0000
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0.00000000 RoHS Compliant Lead Free
X1227S8IZ-2.7A X1227S8IZ-2.7A Renesas Electronics America 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 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
DS1284QN+T&R DS1284QN+T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2009 Obsolete 1 (Unlimited) ROHS3 Compliant Lead Free 28-LCC (J-Lead) Parallel Surface Mount -40°C~85°C Clock/Calendar DS1284 Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer 28-PLCC (11.51x11.51) 50B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 7mA @ 5V 2.4V~3.5V
DS1374C-18# DS1374C-18# Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Obsolete 1 (Unlimited) 16 EAR99 1.8V 10.3mm ROHS3 Compliant No 16 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8473.30.11.80 1 Binary Counter e3 MATTE TIN DUAL 260 1.8V DS1374 16 1.27mm 1.71V 1 1.89V Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer NO Clock, Counter 1.71V~1.89V Binary 100μA @ 1.71V~1.89V 1.3V~3.7V
DS1306 DS1306 Rochester Electronics, LLC 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 16 19.175mm Non-RoHS Compliant 16-DIP (0.300, 7.62mm) SPI 7.62mm Through Hole 0°C~70°C 4.572mm Clock/Calendar e0 TIN LEAD DUAL 240 5V 20 16 NO 2.54mm R-PDIP-T16 COMMERCIAL Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 96B 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SERIAL, 3-WIRE YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
PCA8565TS/S430/1,5 PCA8565TS/S430/1,5 NXP Semiconductors 0.0000
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0.00000000
DS1746W-120IND DS1746W-120IND Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2005 Obsolete 1 (Unlimited) 32 EAR99 3.3V 38.675mm Non-RoHS Compliant Contains Lead Tin No 32 32-DIP Module (0.600, 15.24mm) Parallel Unknown 15.24mm Through Hole -40°C~85°C CMOS 9.27mm 8473.30.11.80 Clock/Calendar e0 DUAL 240 3.3V DS1746 32 2.54mm Timer or RTC Leap Year, NVSRAM, Y2K Clock 128KB 2.97V~3.63V HH:MM:SS (24 hr) 8 SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V
DS1338U-3+T&R DS1338U-3+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 85°C -40°C 3V ROHS3 Compliant Lead Free Tin No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3.3V 2.7V Surface Mount -40°C~85°C Clock/Calendar DS1338 Leap Year, NVSRAM, Square Wave Output 8-uMAX Clock 56B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 3.3V 1.3V~3.7V
DS1501YSN+T&R DS1501YSN+T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2013 Obsolete 1 (Unlimited) ROHS3 Compliant 28-SOIC (0.295, 7.50mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar DS1501 Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 28-SOIC 256B 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
RX-4035LC:B3 PURE SN RX-4035LC:B3 PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks Tape & Reel (TR) RX-4035LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) SPI Surface Mount -40°C~85°C Time Event Recorder Alarm 2.4V~5.5V 2.5μA @ 3V 1V~5.5V
DS1372U+ DS1372U+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2007 yes Active 1 (Unlimited) 8 EAR99 3.05mm ROHS3 Compliant Tin No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Unknown 950μm 3.05mm Surface Mount -40°C~85°C CMOS Binary Counter e3 DUAL 260 30 DS1372 8 0.65mm Timer or RTC 2.4/5.5V Alarm, Square Wave Output, Watchdog Timer Counter 2.4V~5.5V Binary 0.032MHz SECONDS Y I2C 1 0.8μA @ 2.4V~5.5V
DS1340U-3+T&R DS1340U-3+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) 2002 Active 1 (Unlimited) 85°C -40°C 3V ROHS3 Compliant Lead Free No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3.3V 2.7V Surface Mount -40°C~85°C Clock/Calendar DS1340 Leap Year, Trickle-Charger 8-uSOP Clock 2.7V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 125μA @ 3.3V 1.3V~3.7V
ISL12032IVZ-T ISL12032IVZ-T Intersil 0.0000
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0.00000000
DS1305E DS1305E Maxim Integrated 0.0000
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0.00000000 download Tube 1997 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 0°C~70°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
RTC-72423B:ROHS RTC-72423B:ROHS EPSON 0.0000
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0.00000000 download 16 Weeks Surface Mount Tube RTC-72423 Active 1 (Unlimited) 85°C -40°C 5V ROHS3 Compliant No 24 24-SOIC (0.311, 7.90mm Width) Parallel 5.5V 4.5V Surface Mount 1.098005g -40°C~85°C Clock/Calendar Leap Year 24-SOP Clock 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA~10μA @ 2V~5V
DS1315-5 DS1315-5 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2009 no Obsolete 1 (Unlimited) 16 EAR99 5V Non-RoHS Compliant Contains Lead Tin No 16 16-DIP (0.300, 7.62mm) Parallel No SVHC 32.8kHz 7.62mm Through Hole 1.627801g 0°C~70°C CMOS 4.572mm Phantom Time Chip e0 DUAL 240 5V 20 DS1315 16 2.54mm Timer or RTC 5V 1 Leap Year Clock 4.5V~5.5V HH:MM:SS:hh (12/24 hr) N YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 1.3mA @ 5V 2.5V~3.7V
DS1687-5 DS1687-5 Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 24-DIP Module (0.600, 15.24mm) Parallel Through Hole 0°C~70°C Clock/Calendar Alarm, NVSRAM, Square Wave Output, Y2K 24-EDIP 242B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
MAX31329ELB+ MAX31329ELB+ Maxim Integrated 0.0000
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0.00000000
DS1687-5IND DS1687-5IND Maxim Integrated 0.0000
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0.00000000 download Tube 2000 yes Obsolete 1 (Unlimited) 24 EAR99 33.782mm Non-RoHS Compliant Contains Lead 24 24-DIP Module (0.600, 15.24mm) Parallel not_compliant Through Hole -40°C~85°C CMOS 9.398mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1687 24 NO 2.54mm Timer or RTC Not Qualified 5V Alarm, NVSRAM, Square Wave Output, Y2K 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
PT7C4337AWE PT7C4337AWE Diodes Incorporated 0.0000
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0.00000000 download 8 Weeks Surface Mount Tube 2014 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 CMOS 1.75mm Clock/Calendar DUAL NOT SPECIFIED 3.3V NOT SPECIFIED 1.27mm R-PDSO-G8 Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) I2C 1 YY-MM-DD-dd 0.8μA @ 1.3V~1.8V
ISL1208IU8 ISL1208IU8 Rochester Electronics 0.0000
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0.00000000 download Tube no 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 1.1mm Clock/Calendar e0 TIN LEAD DUAL 240 3V 30 8 YES 0.65mm S-PDSO-G8 COMMERCIAL Alarm, Leap Year, SRAM 2B 2.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
RTC-72421A:ROHS RTC-72421A:ROHS EPSON 0.0000
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0.00000000 download Through Hole Tube RTC-72421 Not For New Designs 1 (Unlimited) 5V ROHS3 Compliant No 18 18-DIP (0.300, 7.62mm) Parallel Through Hole 1.360805g -10°C~70°C Clock/Calendar Leap Year Clock 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA~10μA @ 2V~5V
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