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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 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Supplier Device Package Number of Terminals Logic Function Access Time Memory Size Function 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
PCF8563TD PCF8563TD NXP Semiconductors / Freescale 0.0000
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0.00000000 8 EAR99 RoHS Compliant Lead Free 8 SOIC 32.8kHz CMOS DUAL GULL WING NOT SPECIFIED 2V NOT SPECIFIED 8 INDUSTRIAL YES 0.635mm -40°C Timer or RTC Not Qualified 2/5V 5.5V TIMER, REAL TIME CLOCK SECONDS Y YES I2C
ISL12082IUZ-T ISL12082IUZ-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel 2008 Active 1 8 EAR99 85°C -40°C 3.3V 3mm RoHS Compliant No 10 MSOP 2-Wire, I2C, Serial 5.5V 2.7V 3mm CMOS 1.1mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 3.3V INDUSTRIAL 0.5mm R-PDSO-G8 Timer or RTC 3/5V Clock HH:MM:SS:hh Y NO I2C YY-MM-DD-dd
DS17485-3+ DS17485-3+ 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 15.24mm CMOS 5.08mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL THROUGH-HOLE 260 3V 30 24 COMMERCIAL NO 2.54mm R-PDIP-T24 2.7V 70°C Timer or RTC Not Qualified 3V 3.7V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO PARALLEL, MUXED BUS 1
ISL12027IV27Z ISL12027IV27Z Intersil 0.0000
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0.00000000
BQ4802LYPWRG4 BQ4802LYPWRG4 Texas Instruments 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) yes 1 28 EAR99 70°C 0°C 3.3V 9.7mm RoHS Compliant Contains Lead No 28 TSSOP Parallel 3.6V 2.7V 4.4mm 117.508773mg CMOS 1.2mm 8542.39.00.01 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 3.3V 28 COMMERCIAL 0.65mm Timer or RTC Clock HH:MM:SS 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd
X1226V8 X1226V8 Intersil Corporation 0.0000
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0.00000000 EAR99 4.4mm Non-RoHS Compliant not_compliant 3mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 5V 8 COMMERCIAL YES 0.65mm R-PDSO-G8 2.7V 70°C Timer or RTC Not Qualified 3/5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y NO I2C 1
PT7C43390LE PT7C43390LE Diodes Incorporated 0.0000
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0.00000000 download 9 Weeks Surface Mount Tube Last Time Buy 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm Clock/Calendar e3 MATTE TIN DUAL 260 3V NOT SPECIFIED 0.65mm Timer or RTC Not Qualified 3/5V Alarm, Leap Year, Square Wave Output 1.3V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO I2C 1 YY-MM-DD-dd 0.65μA~0.7μA @ 3V~5V
PCF85263ATT/AJ PCF85263ATT/AJ NXP Semiconductors 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2010 Active 1 (Unlimited) 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 DUAL NOT SPECIFIED 3.3V NOT SPECIFIED 8 YES 0.65mm S-PDSO-G8 Alarm, Leap Year, Watchdog Timer 0.9V~5.5V HH:MM:SS:hh (12/24 hr) I2C 1 YY-MM-DD-dd 0.885μA @ 3.3V 0.9V~5.5V
DS1248WP-120 DS1248WP-120 Rochester Electronics 0.0000
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0.00000000 Tube no Obsolete 3 (168 Hours) 34 Non-RoHS Compliant 34-PowerCap™ Module Parallel unknown Surface Mount 0°C~70°C Phantom Time Chip e0 TIN LEAD DUAL 240 3.3V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL NVSRAM 128KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 8.3MHz YY-MM-DD-dd 7mA @ 3.3V 3V
DS1305EN DS1305EN Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 20-TSSOP (0.173, 4.40mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, NVSRAM, Trickle-Charger 20-TSSOP 96B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
ISL12029IB30AZ-T ISL12029IB30AZ-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel 2005 Active 2 14 EAR99 85°C -40°C 3.3V 8.65mm 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 14, 14 INDUSTRIAL 1.27mm R-PDSO-G14 Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
DS1557P-70+ DS1557P-70+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tray 2003 yes Active 3 (168 Hours) 34 EAR99 ROHS3 Compliant Lead Free 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1557 34 YES R-XDMA-U34 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 512KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V 3V
DS1500YE+ DS1500YE+ Rochester Electronics 0.0000
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0.00000000 download Tray Obsolete 3 (168 Hours) ROHS3 Compliant 32-LFSOP (0.724, 18.40mm Width) Parallel Surface Mount 0°C~70°C Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 32-TSOP 256B 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
DS17885-5+ DS17885-5+ Maxim Integrated 0.0000
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0.00000000 download 17 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 (Sn) DUAL 260 5V 30 DS17885 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 YES 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
ISL12024IVZ-T ISL12024IVZ-T Renesas Electronics America 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 1999 Active 1 (Unlimited) EAR99 ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED ISL12024 8 Alarm, Leap Year, Unique ID 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
X1205S8T1 X1205S8T1 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2004 8 EAR99 70°C 0°C 4.9mm Non-RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial not_compliant 3.9mm CMOS 1.75mm 8542.39.00.01 DUAL 5V 8 COMMERCIAL 1.27mm R-PDSO-G8 2.7V Not Qualified 5.5V HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz I2C YY-MM-DD-dd
X1227S8I-2.7AT2 X1227S8I-2.7AT2 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS 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
IDT1337GDCGI IDT1337GDCGI Integrated Device Technology (IDT) 0.0000
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0.00000000 Surface Mount 85°C -40°C 5mm RoHS Compliant 8 SOIC 2-Wire, I2C, Serial 5.5V 1.8V 1.5mm 4mm HH:MM:SS (12/24 hr) YY-MM-DD-dd
DS1308U-3+ DS1308U-3+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2013 Active 1 (Unlimited) 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 8473.30.11.80 Clock/Calendar DUAL NOT SPECIFIED 3V NOT SPECIFIED DS1308 8 YES 0.65mm S-PDSO-G8 Timer or RTC Not Qualified 3/5V Leap Year, NVSRAM, Square Wave Output 56B 2.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd 1.3V~5.5V
X1227V8Z X1227V8Z Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 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 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
ISL12029AIV27Z ISL12029AIV27Z 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 ISL12029A 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
M48T59Y-70MH1F M48T59Y-70MH1F STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Timekeeper® Obsolete 1 (Unlimited) 28 EAR99 18.1mm ROHS3 Compliant Lead Free 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets Parallel 70GHz 8.56mm Surface Mount 0°C~70°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar DUAL 260 5V 10 M48T59 28 1.27mm R-PDSO-G28 Timer or RTC Not Qualified 5V Alarm, Leap Year, Watchdog Timer Clock 70 ns 62.5kB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
FM3130-G FM3130-G Cypress Semiconductor Corp 0.0000
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0.00000000 download Obsolete RoHS Compliant 8 Clock/Calendar/Alarm HH:MM:SS DW:DM:M:Y
IDT1338-31DVGI IDT1338-31DVGI Integrated Device Technology 0.0000
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0.00000000
X1227S8ZT1 X1227S8ZT1 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 1 8 EAR99 70°C 0°C 4.9022mm RoHS Compliant Lead Free SOIC 2-Wire, I2C, Serial 3.9116mm CMOS 1.7272mm 8542.39.00.01 e3 MATTE TIN DUAL 260 5V 40 8 COMMERCIAL 1.27mm R-PDSO-G8 4.5V Not Qualified 5.5V HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz I2C 1 YY-MM-DD-dd
BQ4850YMA-85N BQ4850YMA-85N Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 3 (168 Hours) ROHS3 Compliant 32-DIP Module (0.61, 15.49mm) Parallel Through Hole -40°C~85°C Clock/Calendar Alarm 32-DIP Module (18.42x52.96) 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1mA @ 4.5V~5.5V
ISL12024IRTCZ-T ISL12024IRTCZ-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 7 Weeks Surface Mount Tape & Reel 1999 Active 1 8 EAR99 85°C -40°C 3.3V 3mm RoHS Compliant Lead Free No 2-Wire, I2C, Serial 5.5V 2.7V 3mm CMOS 0.8mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 8 INDUSTRIAL 0.65mm S-PDSO-N8 Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
DS1501WS DS1501WS Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2008 yes Obsolete 1 (Unlimited) 28 EAR99 3.3V 18.1mm Non-RoHS Compliant Contains Lead No 28 28-SOIC (0.295, 7.50mm Width) Parallel 8.565mm Surface Mount 0°C~70°C CMOS 3.05mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V DS1501 28 1.27mm Timer or RTC Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Clock 256B 3V~3.6V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 4mA @ 3V~3.6V 2.5V~3.7V
DS1643-85+ DS1643-85+ Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2010 yes Obsolete 1 (Unlimited) 34 EAR99 5V ROHS3 Compliant No 28 28-DIP Module (0.600, 15.24mm) Parallel Through Hole 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 MATTE TIN DUAL 5V DS1643 34 R-XDMA-U34 Leap Year, NVSRAM Clock 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 3mA @ 5V
DS1339AU+ DS1339AU+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 Active 1 (Unlimited) 8 EAR99 3.3V 3mm ROHS3 Compliant Tin No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Unknown 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar DUAL 3.3V DS1339 0.65mm Timer or RTC Alarm, Leap Year, Square Wave Output, Trickle-Charger Clock 1.71V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO I2C 1 YY-MM-DD-dd 200μA @ 1.71V~5.5V 1.3V~3.7V
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