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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 Additional Feature 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 (Max) Operating Temperature (Min) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Number of Outputs Feature Frequency Stability Supplier Device Package Number of Terminals Logic Function Memory Size Function RAM 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
X1288V14-2.7 X1288V14-2.7 Intersil 0.0000
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DS1306N DS1306N Rochester Electronics 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 unknown 7.62mm Through Hole -40°C~85°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
RV-2123-C2-32.768KHZ-10PPM-TA-QC RV-2123-C2-32.768KHZ-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 10-TCDFN Exposed Pad SPI, 4-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, Leap Year 1.1V~5.5V HH:MM:SS YY-MM-DD-dd 0.18μA @ 3V
DS1557WP-120IND+ DS1557WP-120IND+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Surface Mount Tray 2003 yes Active 3 (168 Hours) 34 EAR99 3.3V ROHS3 Compliant Lead Free No 34 34-PowerCap™ Module Parallel Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 3.3V DS1557 34 Timer or RTC Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 512KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V 3V
MCP7940N-I/MS MCP7940N-I/MS Microchip Technology 0.0000
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0.00000000 download 7 Weeks Surface Mount Tube 2011 Automotive, AEC-Q100 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 950μm 3mm Surface Mount -40°C~85°C CMOS Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP7940N 8 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock 64B 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
DS1501YZN+ DS1501YZN+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount, Through Hole Tube 2002 yes Active 1 (Unlimited) 28 EAR99 5V 18.1mm ROHS3 Compliant Tin No 28 28-SOIC (0.295, 7.50mm Width) Parallel Unknown 2.35mm 7.6mm Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar DUAL 5V DS1501 28 1.27mm Timers or RTCs 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Clock 256B 4.5V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
RTC-72423A RTC-72423A EPSON 0.0000
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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 85°C -40°C Non-RoHS Compliant 24 24-SOIC (0.311, 7.90mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Leap Year 24-SOP 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA~10μA @ 2V~5V
DS1643P-85+ DS1643P-85+ Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2010 yes Obsolete 1 (Unlimited) 34 EAR99 5V ROHS3 Compliant No 34 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 MATTE TIN DUAL 5V DS1643 34 Leap Year, NVSRAM Clock 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 3mA @ 5V 3V
AM0805AQ AM0805AQ Ambiq Micro, Inc. 0.0000
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0.00000000 download Tape & Reel (TR) Discontinued 3 (168 Hours) RoHS Compliant 16-VFQFN Exposed Pad I2C Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer 16-QFN (3x3) 256B 1.5V~3.6V HH:MM:SS:hh YY-MM-DD-dd 1.4V~3.6V
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
X1227V8IZ-4.5A X1227V8IZ-4.5A Intersil Corporation 0.0000
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0.00000000 1 EAR99 4.4mm RoHS Compliant compliant 3mm CMOS 1.2mm 8542.39.00.01 e3 MATTE TIN DUAL GULL WING 260 5V 40 8 INDUSTRIAL YES 0.65mm R-PDSO-G8 4.5V 85°C -40°C Timer or RTC Not Qualified 5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1
BQ4845S-A4TRG4 BQ4845S-A4TRG4 Texas Instruments 0.0000
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0.00000000 no 28 EAR99 17.9705mm Non-RoHS Compliant Contains Lead 28 SOIC 7.5565mm CMOS 2.667mm 8542.39.00.01 DUAL GULL WING NOT SPECIFIED 5V NOT SPECIFIED 28 COMMERCIAL YES 1.27mm 4.75V 70°C Timer or RTC Not Qualified 5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO PARALLEL, DIRECT ADDRESS 1
AB-RTCMK-32.768KHZ-T AB-RTCMK-32.768KHZ-T Abracon LLC 0.0000
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0.00000000 download 16 Weeks Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 85°C -40°C RoHS Compliant Lead Free No 8 8-SMD Module I2C, 2-Wire Serial 5.5V 1.3V 32.768kHz Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output, TCXO/Crystal 5 ppm 8-SMT 1.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD 2μA @ 3V
RX8900SA:UC0PURESN RX8900SA:UC0PURESN EPSON 0.0000
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0.00000000
MCP79510T-I/MS MCP79510T-I/MS Microchip Technology 0.0000
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0.00000000 download 16 Weeks Surface Mount Tape & Reel (TR) 2012 Active 2 (1 Year) 10 EAR99 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) - annealed DUAL 260 3V 40 MCP79510 0.5mm Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID Clock 64B 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 5MHz YY-MM-DD-dd 1μA @ 1.8V~3.6V 1.3V~3.6V
DS1685-5 DS1685-5 Maxim Integrated 0.0000
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0.00000000 download Tube 2002 Obsolete 1 (Unlimited) 24 EAR99 31.75mm Non-RoHS Compliant Contains Lead, Lead Free 24-DIP (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1685 24 NO 2.54mm R-PDIP-T24 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 YES 1 YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
RX-4803LC:UBB PURE SN RX-4803LC:UBB PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks 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
ISL12022MIBZ-T ISL12022MIBZ-T Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tape & Reel (TR) 2011 Active 1 (Unlimited) 20 EAR99 12.8mm ROHS3 Compliant ALSO OPERATES WITH 5 V NOMINAL 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3V NOT SPECIFIED ISL12022 20 YES 1.27mm R-PDSO-G20 Alarm, Daylight Savings, Leap Year, SRAM 128B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C; SERIAL YY-MM-DD-dd 14μA~15μA @ 3V~5V 1.8V~5.5V
X1228S14IZ-2.7 X1228S14IZ-2.7 Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount 3 14 EAR99 85°C -40°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 INDUSTRIAL 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
ISL12027IB27Z ISL12027IB27Z Intersil 0.0000
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0.00000000
RX-8803SA:UA PURE SN RX-8803SA:UA PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RX-8803SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 1.6V~5.5V HH:MM:SS YY-MM-DD 2.1μA~3.4μA @ 3V~5V
PT7C4563WE PT7C4563WE Diodes Incorporated 0.0000
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0.00000000 download 9 Weeks 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 TA CMOS 1.75mm 8542.39.00.01 Clock/Calendar DUAL 3V YES 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 1.5/5V Alarm, Leap Year, Square Wave Output 1.3V~5.5V HH:MM:SS (24 hr) SECONDS Y YES I2C 1 YY-MM-DD-dd 0.65μA~0.85μA @ 3V~5V
RV-3028-C7 32.768KHZ 1PPM TA QC RV-3028-C7 32.768KHZ 1PPM TA QC Micro Crystal 0.0000
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0.00000000 download Tape and Reel RoHS Compliant 8 Clock/Calendar/Alarm/Timer/Battery Backup HH:MM:SS DW:DM:M:Y
MCP7940M-I/MS MCP7940M-I/MS Microchip Technology 0.0000
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0.00000000 download 7 Weeks Tube 2007 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 950μm 3mm Surface Mount -40°C~85°C CMOS Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP7940M YES 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y I2C 64 B 1 YY-MM-DD-dd 1μA @ 5.5V
ISL12025IVZ ISL12025IVZ Intersil 0.0000
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0.00000000
ISL12028IBAZ-T ISL12028IBAZ-T Renesas Electronics America Inc. 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 ISL12028 Alarm, Leap Year, Supervisor, Watchdog Timer 14-SOIC 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
M41T81SM6E M41T81SM6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 8 EAR99 5mm ROHS3 Compliant Lead Free No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial No SVHC 32kHz 1.25mm 4mm Surface Mount -40°C~85°C CMOS Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 5V 30 M41T81 8 Timer or RTC 3/5V 1 Alarm, Leap Year, Square Wave Output, Watchdog Timer Clock 20B 2.7V~5.5V HH:MM:SS:hh (24 hr) Y YES I2C 1 YY-MM-DD-dd 100μA @ 2.7V~5.5V 2V~3.5V
ISL12022MIBZR5421 ISL12022MIBZR5421 Intersil 0.0000
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0.00000000
DS1339U-3+T&R DS1339U-3+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 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 DS1339 Alarm, Leap Year, Square Wave Output, Trickle-Charger 8-uMAX Clock 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 150μA @ 3.3V 1.3V~3.7V
1337GDCGI 1337GDCGI 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
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