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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 Radiation Hardening Number of Pins Package / Case Interface Max Supply Voltage REACH SVHC Reach Compliance Code Min Supply Voltage Frequency Height Width Mounting Type 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 (Min) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Supplier Device Package Logic Function Access Time Memory Size 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
RV-8523-C3-32.768KHZ-20PPM-TA-QC RV-8523-C3-32.768KHZ-20PPM-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, Leap Year, Watchdog Timer 1.2V~5.5V HH:MM:SS YY-MM-DD-dd 180nA @ 3V
DS1307ZN+T DS1307ZN+T Maxim Integrated 0.0000
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0.00000000 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 5V NOT SPECIFIED 8 INDUSTRIAL YES 1.27mm 4.5V -40°C Timer or RTC Not Qualified 5V 5.5V 56B TIMER, REAL TIME CLOCK 0.032MHz SECONDS N YES I2C 1
M41T56C64MY6F M41T56C64MY6F STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 1 (Unlimited) 18 EAR99 5V 11.61mm ROHS3 Compliant Lead Free No 18 18-SOX, 18-SOIC with Crystal (7.5mm Width) I2C, 2-Wire Serial 7.62mm Surface Mount -40°C~85°C CMOS 2.69mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 240 5V 30 M41T56 18 1.27mm Timer or RTC 5V EEPROM, Leap Year, NVSRAM Clock 56B 8KB 4.5V~5.5V HH:MM:SS 0.032MHz SECONDS N YES I2C YY-MM-DD-dd 100μA Typ @ 4.5V~5.5V 2.5V~3.5V
DS1501WEN DS1501WEN Maxim Integrated 0.0000
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0.00000000 download Surface Mount 2007 no 3 28 EAR99 85°C -40°C 3.3V 8.1mm RoHS Compliant Contains Lead No 28 TSOP Parallel 3.6V Unknown 3V 1.05mm 11.9mm CMOS 8473.30.11.80 e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V 20 28 INDUSTRIAL 0.55mm Timer or RTC Clock 256B HH:MM:SS 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd
ISL12027IVAZ ISL12027IVAZ 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 -40°C~85°C Clock/Calendar ISL12027 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
1337DCGI 1337DCGI Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1337 Alarm, Leap Year, Square Wave Output 8-SOIC 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
PCF85063AT/AJ PCF85063AT/AJ NXP Semiconductors 0.0000
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0.00000000
ISL12029IVZ-T ISL12029IVZ-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 NO I2C 1 YY-MM-DD-dd
X1288V14Z-4.5AT1 X1288V14Z-4.5AT1 Intersil 0.0000
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0.00000000
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
M48T37Y-70MH6F M48T37Y-70MH6F STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Timekeeper® Obsolete 1 (Unlimited) 44 EAR99 5V 18.1mm ROHS3 Compliant Lead Free 44 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT Parallel 70GHz 8.56mm Surface Mount -40°C~85°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar DUAL 260 5V 10 M48T37 44 0.81mm Timer or RTC Not Qualified 5V Alarm, Leap Year, Watchdog Timer Clock 70 ns 250kB 8 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
S-35390A-T8T1U S-35390A-T8T1U ABLIC U.S.A. Inc. 0.0000
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0.00000000 download 18 Weeks Tape & Reel (TR) Active 1 (Unlimited) 8 EAR99 4.4mm RoHS Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Tin (Sn) DUAL NOT SPECIFIED 3V NOT SPECIFIED 8 YES 0.65mm R-PDSO-G8 Not Qualified Alarm, Leap Year 1.3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SERIAL, 2-WIRE/I2C 1 YY-MM-DD-dd 14μA~30μA @ 3V~5V
X1226S8ZT1 X1226S8ZT1 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 0°C~70°C Clock/Calendar e3 MATTE TIN NOT SPECIFIED NOT SPECIFIED X1226 Alarm, Leap Year 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
DS1251W-120IND DS1251W-120IND Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2005 Obsolete 1 (Unlimited) 32 3A991.B.2.A 3.3V 43.053mm Non-RoHS Compliant Contains Lead No 32 32-DIP Module (0.600, 15.24mm) Parallel 120GHz 15.24mm Through Hole -40°C~85°C CMOS 10.922mm 8473.30.11.40 Phantom Time Chip e0 Tin/Lead (Sn/Pb) DUAL 3.3V DS1251 32 2.54mm Timer or RTC Leap Year, NVSRAM Clock 120 ns 512KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V
ISL12027IB27Z ISL12027IB27Z Intersil 0.0000
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0.00000000
RX-4803LC:UA3PURESN RX-4803LC:UA3PURESN EPSON 0.0000
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0.00000000
RX-4803LC:UC3 PURE SN RX-4803LC:UC3 PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks Tape & Reel (TR) RX-4803LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm 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
X1288V14I-4.5AT1 X1288V14I-4.5AT1 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) 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 X1288 Alarm, Leap Year, Supervisor, Watchdog Timer 4.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1228V14Z-4.5A X1228V14Z-4.5A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 1 14 EAR99 85°C -40°C 5mm RoHS Compliant Lead Free TSSOP 2-Wire, I2C, Serial 4.4mm CMOS 1.2mm 8542.39.00.01 e3 MATTE TIN DUAL 260 5V 40 14 COMMERCIAL 0.65mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 3/5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
X1226V8I X1226V8I Renesas Electronics America Inc. 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar X1226 Alarm, Leap Year 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1228S14Z-2.7 X1228S14Z-2.7 Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 3 14 EAR99 70°C 0°C 8.6614mm 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 14 COMMERCIAL 1.27mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 3/5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
RX-8035LC:AC3 PURE SN RX-8035LC:AC3 PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8035LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm 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
DS1685S-3 DS1685S-3 Maxim Integrated 0.0000
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0.00000000 download Tube 2002 Obsolete 1 (Unlimited) 24 EAR99 15.4mm Non-RoHS Compliant Contains Lead 24-SOIC (0.295, 7.50mm Width) Parallel not_compliant 7.5mm Surface Mount 0°C~70°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 245 3V NOT SPECIFIED DS1685 24 YES 1.27mm R-PDSO-G24 Timer or RTC Not Qualified 3V Alarm, NVSRAM, Square Wave Output, Y2K 242B 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS YES 1 YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
ISL12021CVZ ISL12021CVZ 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 -20°C~70°C Clock/Calendar ISL12021 Alarm, Daylight Savings, Leap Year, SRAM 14-TSSOP 128B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5.5μA~6.5μA @ 3V~5V 1.8V~5.5V
DS1390U-18+ DS1390U-18+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 10 EAR99 1.8V 3mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 1.8V 30 DS1390 10 0.5mm Timers or RTCs Alarm, Leap Year, Square Wave Output, Trickle-Charger Clock 1.71V~1.89V HH:MM:SS:hh (12/24 hr) 0.032MHz Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 100μA @ 1.71V~1.89V 1.3V~3.7V
X1227S8ZT1 X1227S8ZT1 Intersil 0.0000
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0.00000000
X1227S8IZ X1227S8IZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 1 8 EAR99 85°C -40°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 INDUSTRIAL 1.27mm R-PDSO-G8 4.5V Timer or RTC Not Qualified 5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
DS17285SN-5 DS17285SN-5 Maxim Integrated 0.0000
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0.00000000 download Tube 2010 Obsolete 1 (Unlimited) 24 EAR99 17.9mm Non-RoHS Compliant Contains Lead 24 24-SOIC (0.295, 7.50mm Width) Parallel not_compliant 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 NOT SPECIFIED DS17285 24 YES 1.27mm Timer or RTC Not Qualified 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB 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
ISL12027IB30AZ ISL12027IB30AZ Renesas Electronics America 0.0000
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0.00000000 download Tube 2010 Obsolete 1 (Unlimited) EAR99 ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar NOT SPECIFIED NOT SPECIFIED ISL12027 8 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
ISL12022MIBZ-T7A ISL12022MIBZ-T7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel 2007 1 (Unlimited) 20 85°C -40°C RoHS Compliant No 20 SOIC 2-Wire, I2C, Serial e3 Matte Tin (Sn) - annealed DUAL INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock 128B HH:MM:SS (12/24 hr) SECONDS Y NO SERIAL, 2 WIRE/I2C YY-MM-DD-dd
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