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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 Min Supply Voltage Density Frequency Height Width Thickness Mounting Type Weight Operating Temperature Technology Operating Supply Current Height Seated (Max) HTS Code Number of Functions Nominal Supply Current 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) Number of Channels Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Number of Outputs Feature Adjustable Threshold Supplier Device Package Logic Function Access Time Screening Level Memory Size Memory Type Number of Bits Voltage - Supply Time Format External Data Bus Width Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency Word Size Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1374U-33+ DS1374U-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 10 EAR99 3.3V 3.05mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Unknown 32.768kHz 950μm 3.05mm Surface Mount 143.193441mg -40°C~85°C CMOS 1 Binary Counter e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1374 10 0.5mm 2.97V 1 5.5V 1 Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer NO Clock, Counter 2.97V~5.5V Binary 175μA @ 2.97V~5.5V 1.3V~5.5V
DS1644P-120 DS1644P-120 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 no Obsolete 3 (168 Hours) 34 EAR99 5V 23.5mm Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel 2.03mm 25.02mm Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e0 TIN LEAD DUAL 5V DS1644 34 Timer or RTC 5V Leap Year, NVSRAM Clock 32KB 4.5V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 4.5V~5.5V 3V
BQ3285ECSS BQ3285ECSS Texas Instruments 0.0000
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0.00000000 no 24 EAR99 8.65mm RoHS Compliant Contains Lead 24 SSOP 3.9mm CMOS 1.73mm 8542.39.00.01 DUAL GULL WING 5V 24 COMMERCIAL YES 0.635mm 4.5V 70°C Not Qualified 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz PARALLEL, MUXED BUS
1337GNLGI 1337GNLGI Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount Bulk 2006 yes Discontinued 3 (168 Hours) 16 EAR99 85°C -40°C 3.3V 3mm RoHS Compliant Lead Free Tin No 16 QFN 2-Wire, I2C, Serial 3mm 1mm CMOS 8542.39.00.01 e3 QUAD 260 3.3V 30 16 INDUSTRIAL 0.5mm Timer or RTC 2/5V 5.5V Clock 8 HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y I2C 1 YY-MM-DD-dd
BQ4845S-A4 BQ4845S-A4 Rochester Electronics 0.0000
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0.00000000 Tube Obsolete 1 (Unlimited) ROHS3 Compliant 28-SOIC (0.295, 7.50mm Width) Parallel Surface Mount 0°C~70°C Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer 28-SOIC 4.75V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.3V~4V
MCP795B10-I/SL MCP795B10-I/SL Microchip Technology 0.0000
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0.00000000 download Surface Mount Tube 2011 Obsolete 1 (Unlimited) 14 EAR99 8.65mm ROHS3 Compliant No 14 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 MCP795B10 14 1.27mm Timer or RTC 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer Clock 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
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
MCP7940N-I/P MCP7940N-I/P Microchip Technology 0.0000
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0.00000000 download 2 Weeks Through Hole Tube 2010 Automotive, AEC-Q100 Active 1 (Unlimited) 8 EAR99 10.16mm ROHS3 Compliant Lead Free 8 8-DIP (0.300, 7.62mm) I2C, 2-Wire Serial No SVHC 4.95mm 7.11mm Through Hole 930.006106mg -40°C~85°C CMOS Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL NOT APPLICABLE 2.5V NOT APPLICABLE MCP7940N 2.54mm Timer or RTC Not Qualified 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock TS 16949 64B 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO I2C 1 YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
RX-8035SA:B PURE SN R RX-8035SA:B PURE SN R EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8035SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Time Event Recorder Alarm 2.4V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5μA @ 3V 1V~5.5V
PCF2127T/1,518 PCF2127T/1,518 NXP Semiconductors 0.0000
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0.00000000
ISL12028IVAZ-T ISL12028IVAZ-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 Active 1 14 EAR99 85°C -40°C 3.3V 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 260 3.3V 40 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
DS1500WE+ DS1500WE+ Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tray 2011 yes Obsolete 3 (168 Hours) 32 EAR99 3.3V 18.4mm ROHS3 Compliant Lead Free No 32 32-LFSOP (0.724, 18.40mm Width) Parallel Unknown 8mm Surface Mount 0°C~70°C CMOS 1.24mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1500 32 0.5mm Timer or RTC Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Clock 256B 3V~3.6V HH:MM:SS (24 hr) 8 SECONDS Y NO 1 YY-MM-DD-dd 4mA @ 3V~3.6V 2.5V~3.7V
ISL12029IVZ ISL12029IVZ 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
ISL12029IBAZ-T ISL12029IBAZ-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
DS14285N+ DS14285N+ Rochester Electronics 0.0000
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0.00000000 download Tube yes Obsolete 1 (Unlimited) 24 31.75mm ROHS3 Compliant 24-DIP (0.600, 15.24mm) Parallel 15.24mm Through Hole -40°C~85°C 5.08mm Clock/Calendar e3 MATTE TIN DUAL 260 5V 30 24 NO 2.54mm R-PDIP-T24 COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 0.5μA @ 4.5V~5.5V 2.5V~3.6V
DS1315N-5+ DS1315N-5+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tube 2011 yes Active 1 (Unlimited) 16 EAR99 19.175mm ROHS3 Compliant Lead Free 16-DIP (0.300, 7.62mm) Parallel 7.62mm Through Hole -40°C~85°C CMOS 4.572mm 8542.39.00.01 Phantom Time Chip e3 Matte Tin (Sn) DUAL 260 5V 30 DS1315 16 NO 2.54mm R-PDIP-T16 Timer or RTC Not Qualified 5V Leap Year 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND N YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 1.3mA @ 5V 2.5V~3.7V
X1227S8ZT1 X1227S8ZT1 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1227 Alarm, Leap Year, Supervisor, Watchdog Timer 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
ISL12027IB27AZ-T ISL12027IB27AZ-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel 1999 Active 1 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant No 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 8, 8 INDUSTRIAL 1.27mm R-PDSO-G8 Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
X1288V14ZT1 X1288V14ZT1 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2005 5 14 EAR99 70°C 0°C 5mm RoHS Compliant TSSOP 2-Wire, I2C, Serial 4.4mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED 14 COMMERCIAL 0.65mm R-PDSO-G14 4.5V Not Qualified 5.5V HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz I2C 1 YY-MM-DD-dd
DS12887+ DS12887+ Maxim Integrated 0.0000
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0.00000000 download 7 Weeks Through Hole Tube 1998 yes Active 1 (Unlimited) 24 Through Hole EAR99 5V 34.04mm ROHS3 Compliant Lead Free Tin No 24 DAYLIGHT SAVINGS OPTION; SELECTABLE MOTOROLA/INTEL TIMING; 10 YEARS DATA RETENTION 24-DIP Module (0.600, 15.24mm) Parallel Unknown 9.4mm 18.8mm Through Hole 0°C~70°C CMOS 15mA Clock/Calendar e3 DUAL 5V DS12887 24 2.54mm Timer or RTC 5V 8 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 114B RAM 4.5V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
DS1746-70+ DS1746-70+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Through Hole Tube 2012 yes Active 1 (Unlimited) 32 EAR99 5V 44.2mm ROHS3 Compliant Lead Free Tin No 32 32-DIP Module (0.600, 15.24mm) Parallel Unknown 10.92mm 18.8mm Through Hole 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 DUAL 260 5V DS1746 32 2.54mm Timers or RTCs 5V Leap Year, NVSRAM, Y2K Clock 128KB 4.5V~5.5V HH:MM:SS (24 hr) SECONDS N NO YY-MM-DD-dd 4mA @ 5V
ISL12026IVZ ISL12026IVZ Renesas Electronics America 0.0000
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0.00000000 download 7 Weeks Tube 2010 Active 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3.3V NOT SPECIFIED ISL12026 8 YES 0.65mm R-PDSO-G8 Alarm, Leap Year 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
ISL12029IV27AZ-T ISL12029IV27AZ-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 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
M48T35AV-10MH1E M48T35AV-10MH1E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Timekeeper® Obsolete 3 (168 Hours) 28 SMD/SMT EAR99 3.3V 18.49mm ROHS3 Compliant Lead Free 28 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets Parallel No SVHC 256 kb 32.768kHz 2.69mm 8.89mm Surface Mount 0°C~70°C CMOS 8542.39.00.01 30mA Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V 30 M48T35 28 1.27mm Timer or RTC Not Qualified Leap Year 100 ns 32kB 3V~3.6V HH:MM:SS (24 hr) 8b 8b SECONDS N NO YY-MM-DD-dd 2mA @ 3V~3.6V
DS1685QN-5+ DS1685QN-5+ Maxim Integrated 0.0000
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0.00000000 download 14 Weeks Tube 2000 yes Active 1 (Unlimited) 28 EAR99 11.505mm ROHS3 Compliant Lead Free 28-LCC (J-Lead) Parallel 11.505mm Surface Mount -40°C~85°C CMOS 4.57mm 8473.30.11.80 Clock/Calendar e3 Tin (Sn) QUAD 260 5V NOT SPECIFIED DS1685 28 YES 1.27mm S-PQCC-J28 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
DS1340U-33+T&R DS1340U-33+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant Lead Free Tin No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 5.5V Unknown 2.97V Surface Mount -40°C~85°C Clock/Calendar DS1340 Leap Year, Trickle-Charger 8-uMAX Clock 2.97V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 150μA @ 5.5V 1.3V~5.5V
RTC-7301SF:B0ROHS RTC-7301SF:B0ROHS EPSON 0.0000
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0.00000000
RTC-4543SA:A3:PURE SN RTC-4543SA:A3: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
1338-18DVGI8 1338-18DVGI8 Integrated Device Technology (IDT) 0.0000
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0.00000000 download 7 Weeks Surface Mount Tape & Reel 2006 yes Active 3 (168 Hours) 8 EAR99 85°C -40°C 1.8V 3mm RoHS Compliant Lead Free No 8 MSOP 2-Wire, I2C, Serial 970μm 3mm 970μm CMOS e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 30 8 INDUSTRIAL 0.65mm Timer or RTC 2/5V 5.5V Clock 56B HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd
1338-18DVGI 1338-18DVGI Integrated Device Technology (IDT) 0.0000
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0.00000000 download 7 Weeks Surface Mount Bulk 2006 yes Active 3 (168 Hours) 8 EAR99 85°C -40°C 3mm RoHS Compliant Lead Free No 8 MSOP 2-Wire, I2C, Serial 5.5V 1.8V 970μm 3mm 970μm 139.989945mg CMOS 7.5μA e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 30 8 INDUSTRIAL 0.65mm Timer or RTC 2/5V Clock 56B RAM HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd
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