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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 Thickness 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 Operating Temperature (Max) Operating Temperature (Min) Subcategory Qualification Status Power Supplies Number of Outputs Feature Supplier Device Package Logic Function Screening Level Memory Size Function 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
R2023T-E2-F R2023T-E2-F Ricoh Electronic Devices Company 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant Lead Free Clock
1339-2DCGI8 1339-2DCGI8 Integrated Device Technology (IDT) 0.0000
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0.00000000 download 7 Weeks Surface Mount Tape & Reel 2006 Active 85°C -40°C 2V 4.9mm RoHS Compliant Lead Free Tin 8 SOIC 2-Wire, I2C, Serial 5.5V 1.4V 3.9mm 1.5mm Clock HH:MM:SS YY-MM-DD-dd
RX-4803SA:UAB PURE SN RX-4803SA:UAB PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RX-4803SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 2.1μA~3.4μA @ 3V~5V
CBC92132C-Q3-TR3 CBC92132C-Q3-TR3 Cymbet Corporation 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant 16-UFQFN Exposed Pad I2C Surface Mount -40°C~85°C Clock/Calendar Alarm, Backup Supply Charger, Leap Year, RAM 64B 2.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 50nA @ 2.5V~5.5V 3.2V
MCP795B11-I/SL MCP795B11-I/SL Microchip Technology 0.0000
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0.00000000 download Tube 2011 Obsolete 1 (Unlimited) 14 EAR99 8.65mm ROHS3 Compliant 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 MCP795B11 14 YES 1.27mm R-PDSO-G14 Timer or RTC Not Qualified 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer 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
RV-3029-C3-32.768KHZ-OPTION-A-TA-QC RV-3029-C3-32.768KHZ-OPTION-A-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 I2C, 2-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
ISL1208IU8Z-TK ISL1208IU8Z-TK Renesas Electronics America 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2004 Active 2 (1 Year) 8 EAR99 3mm ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3V NOT SPECIFIED ISL1208 8 YES 0.65mm S-PDSO-G8 Alarm, Leap Year, SRAM 2B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
S-35390A-T8T1G S-35390A-T8T1G Seiko 0.0000
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0.00000000
ISL12026IBZ-T ISL12026IBZ-T Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Cut Tape (CT) Active 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 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3.3V NOT SPECIFIED ISL12026 8 YES 1.27mm 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
DS1340U-33+ DS1340U-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 8 SMD/SMT EAR99 3.3V 3.05mm ROHS3 Compliant Lead Free Tin No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial No SVHC 32.768kHz 950μm 3.05mm Surface Mount -40°C~85°C CMOS Clock/Calendar e3 DUAL 260 3.3V 30 DS1340 8 0.65mm Timer or RTC 1 Leap Year, Trickle-Charger Clock 2.97V~5.5V HH:MM:SS (24 hr) SECONDS N NO I2C YY-MM-DD-dd 150μA @ 5.5V 1.3V~5.5V
HM-4201-RTCM1 HM-4201-RTCM1 Microsemi 0.0000
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0.00000000 download Unconfirmed RoHS Compliant 8 Clock/Calendar HH:MM:SS DW:DM:M:Y
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
RX-4801JE:UB RX-4801JE:UB EPSON 0.0000
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0.00000000 download Surface Mount Bulk Obsolete 1 (Unlimited) 85°C -40°C RoHS Compliant 20 20-LSSOJ (0.213, 5.40mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 20-VSOJ 16B 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 2.1μA~3.4μA @ 3V~5V
RV-4162-C7-32.768KHZ-10PPM-TA-QC RV-4162-C7-32.768KHZ-10PPM-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 8-WCDFN I2C Surface Mount -40°C~85°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, Leap Year, Watchdog Timer 1V~4.4V HH:MM:SS:hh YY-MM-DD-dd 0.5μA @ 3V
ISL1208IB8Z-TK ISL1208IB8Z-TK Renesas Electronics America 0.0000
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0.00000000 download 7 Weeks Cut Tape (CT) 2004 Active 1 (Unlimited) 8 EAR99 4.9022mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9116mm Surface Mount -40°C~85°C CMOS 1.7272mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3V NOT SPECIFIED ISL1208 8 YES 1.27mm R-PDSO-G8 Alarm, Leap Year, SRAM 2B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
ISL12020MIRZ ISL12020MIRZ Renesas Electronics America 0.0000
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0.00000000 download 3 Weeks Tube 2008 Active 1 (Unlimited) 20 EAR99 5.5mm ROHS3 Compliant 20-PowerLFDFN I2C, 2-Wire Serial 4mm Surface Mount -40°C~85°C CMOS 1.3mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 3V ISL12020 20 YES 0.5mm R-PDSO-N20 Alarm, Daylight Savings, Leap Year, SRAM 128B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 14μA~15μA @ 3V~5V 1.8V~5.5V
X1227S8Z-4.5A X1227S8Z-4.5A Intersil 0.0000
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0.00000000
IDT1337DVGI8 IDT1337DVGI8 Integrated Device Technology (IDT) 0.0000
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0.00000000 Surface Mount Tape & Reel (TR) yes 3 8 EAR99 85°C -40°C RoHS Compliant 8 TSSOP 2-Wire, I2C, Serial CMOS e3 Matte Tin (Sn) - annealed DUAL 260 30 INDUSTRIAL 0.635mm Timer or RTC Not Qualified 2/5V HH:MM:SS (12/24 hr) TIMER, MEMORY REFRESH SECONDS Y SERIAL, 2 WIRE/I2C YY-MM-DD-dd
DS1302ZN DS1302ZN Maxim Integrated 0.0000
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0.00000000 download Tube 2000 no Obsolete 1 (Unlimited) 8 EAR99 4.9mm Non-RoHS Compliant Contains Lead BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA 8-SOIC (0.154, 3.90mm Width) 3-Wire Serial not_compliant 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 245 3.3V NOT SPECIFIED DS1302 8 YES 1.27mm R-PDSO-G8 Timers or RTCs Not Qualified 3/5V Leap Year, NVSRAM, Trickle-Charger 31B 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N YES SERIAL, 3-WIRE YY-MM-DD-dd 0.3μA~1μA @ 2V~5V 2V~5.5V
MCP79400-I/MS MCP79400-I/MS Microchip Technology 0.0000
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0.00000000 download 7 Weeks Surface Mount Tube 2003 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial No SVHC 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP79400 8 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Clock TS 16949 64B 1.8V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 1.2μA Typ @ 3.3V 1.3V~5.5V
R2051S01-E2-F R2051S01-E2-F Ricoh Electronic Devices Company 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant Lead Free 16-LSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 16-SSOP Clock 2.34V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1μA @ 3V
RX-8025SA:AA3 RX-8025SA:AA3 EPSON 0.0000
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0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) RX-8025SA Active 1 (Unlimited) 85°C -40°C 3V ROHS3 Compliant Contains Lead 14 14-SOIC (0.209, 5.30mm Width) I2C, 2-Wire Serial 5.5V 1.7V Surface Mount 240.999296mg -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP Clock 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
ISL12030IBZ-T ISL12030IBZ-T Renesas Electronics America 0.0000
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0.00000000 download Cut Tape (CT) Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12030 Alarm, Daylight Savings, SRAM 128B 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 18μA @ 5.5V
DS17285S-5 DS17285S-5 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 24 17.9mm Non-RoHS Compliant 24-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount -40°C~85°C CMOS 2.67mm Clock/Calendar e0 TIN LEAD DUAL 245 5V NOT SPECIFIED 24 YES 1.27mm R-PDSO-G24 COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 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
M41T56MH6F M41T56MH6F STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 1 (Unlimited) 28 EAR99 5V 18.1mm ROHS3 Compliant Lead Free 28 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets I2C, 2-Wire Serial 8.56mm Surface Mount -40°C~85°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar DUAL 260 5V 10 M41T56 28 1.27mm Timer or RTC Not Qualified 5V Leap Year, NVSRAM Clock 56B 4.5V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO I2C YY-MM-DD-dd 100μA Typ @ 4.5V~5.5V 2.5V~3.5V
DS1318 DS1318 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 24 7.8mm Non-RoHS Compliant 24-TSSOP (0.173, 4.40mm Width) Parallel 4.4mm Surface Mount -40°C~85°C CMOS 1.1mm Elapsed Time Counter e0 TIN LEAD DUAL 240 3.3V 20 24 YES 0.65mm R-PDSO-G24 COMMERCIAL Alarm, Square Wave Output 3V~3.6V Binary 8 0.032MHz 1 150μA @ 3V~3.6V 1.6V~3.7V
MAX6916EO33+ MAX6916EO33+ Rochester Electronics 0.0000
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0.00000000 download Tube yes Obsolete 3 (168 Hours) 20 8.65mm ROHS3 Compliant 20-SSOP (0.154, 3.90mm Width) SPI, 3-Wire Serial 3.9mm Surface Mount CMOS 1.73mm Clock/Calendar/Supervisor e3 MATTE TIN DUAL 260 3.3V 30 20 INDUSTRIAL YES 0.635mm R-PDSO-G20 85°C -40°C COMMERCIAL 96B 8 3V~3.6V HH:MM:SS (12/24 hr) 0.032MHz I2C YY-MM-DD-dd
RV-8803-C7-32.768K-3PPM-TA-QA RV-8803-C7-32.768K-3PPM-TA-QA Micro Crystal 0.0000
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0.00000000
X1288V14Z-2.7 X1288V14Z-2.7 Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 2A (4 Weeks) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED X1288 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
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