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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 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) Number of Outputs Feature Supplier Device Package Number of Terminals 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
X1228S14I-2.7A X1228S14I-2.7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 14 EAR99 85°C -40°C 8.65mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 3.9mm CMOS 1.75mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 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
RV-3049-C3-32.768KHZ-OPTION-B-TA-QC RV-3049-C3-32.768KHZ-OPTION-B-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 SPI, 4-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
MCP79522T-I/MN MCP79522T-I/MN Microchip Technology 0.0000
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0.00000000 download 19 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 10 EAR99 3mm ROHS3 Compliant Lead Free No 10 10-WFDFN Exposed Pad SPI 800μm 3mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 3V MCP79522 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
RX-8571NB:B3 PURE SN RX-8571NB:B3 PURE SN Seiko Epson Corporation 0.0000
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0.00000000 6.3mm RoHS Compliant LG-MAX compliant 4.8mm CMOS 1.4mm e3 Tin (Sn) DUAL NO LEAD NOT SPECIFIED 3V NOT SPECIFIED INDUSTRIAL YES 0.5mm R-PDSO-N22 1.6V 85°C -40°C Timer or RTC Not Qualified 1.8/5V 5.5V 22 TIMER, REAL TIME CLOCK SECONDS Y YES I2C
BQ4822YMA-70 BQ4822YMA-70 Texas Instruments 0.0000
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0.00000000 download Through Hole Tray no Obsolete 1 (Unlimited) 28 EAR99 5V 37.72mm ROHS3 Compliant Contains Lead Tin No 28 28-DIP Module (0.61, 15.49mm) Parallel 9.4mm 18.42mm Through Hole 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar DUAL 5V BQ4822 28 2.54mm Timer or RTC 5V Alarm, Leap Year, Supervisor, Watchdog Timer Clock 7.8kB 4.5V~5.5V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y NO YY-MM-DD-dd 6mA @ 2.2 V~5.8 V
DS1685EN-3+T&R DS1685EN-3+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2000 Active 1 (Unlimited) 85°C -40°C 3V ROHS3 Compliant Lead Free No 24 24-TSSOP (0.173, 4.40mm Width) Parallel 3.7V 2.7V Surface Mount -40°C~85°C Clock/Calendar DS1685 Alarm, NVSRAM, Square Wave Output, Y2K 24-TSSOP Clock 242B 2.7V~3.7V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
M41T93ZMY6E M41T93ZMY6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 18 EAR99 11.61mm ROHS3 Compliant Lead Free 18 18-SOX, 18-SOIC with Crystal (7.5mm Width) SPI not_compliant 7.62mm Surface Mount -40°C~85°C CMOS 2.69mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 240 3V 30 M41T93 18 1.27mm Timers or RTCs Not Qualified 2.4/5.5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 7B 8 2.38V~5.5V HH:MM:SS:hh (24 hr) 10MHz 1/100SECOND Y NO 1 YY-MM-DD-dd 10μA @ 5.5V 1.8V~5.5V
DS1306EN/T&R DS1306EN/T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2002 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 20 20-TSSOP (0.173, 4.40mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar DS1306 Alarm, Leap Year, NVSRAM, Square Wave Output, 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
BQ3285ESTRG4 BQ3285ESTRG4 Texas Instruments 0.0000
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0.00000000 Surface Mount Tape & Reel (TR) yes 1 24 EAR99 70°C 0°C 5V 15.4mm RoHS Compliant Contains Lead No 24 SOIC Parallel 5.5V 4.5V 7.5mm 624.398247mg CMOS 2.65mm 8542.39.00.01 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 5V 24 COMMERCIAL 1.27mm Timer or RTC 5V Clock 242B HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd
PCF2127AT/1,512 PCF2127AT/1,512 NXP Semiconductors 0.0000
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0.00000000 download Tube 2003 Obsolete 3 (168 Hours) ROHS3 Compliant 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar PCF2127 20 Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer 512B 1.8V~4.2V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.5μA @ 3.3V 1.8V~4.2V
X1227V8Z-2.7 X1227V8Z-2.7 Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 1 8 EAR99 70°C 0°C 4.4mm RoHS Compliant Lead Free TSSOP 2-Wire, I2C, Serial 3mm CMOS 1.2mm 8542.39.00.01 e3 MATTE TIN DUAL 260 5V 40 8 COMMERCIAL 0.65mm R-PDSO-G8 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 NO I2C 1 YY-MM-DD-dd
CBC34803-M5C-TR1 CBC34803-M5C-TR1 Cymbet Corporation 0.0000
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0.00000000 download 2 Weeks Surface Mount Tape & Reel (TR) 2014 EnerChip™ Active 3 (168 Hours) RoHS Compliant Lead Free 16 16-LQFN I2C, 2-Wire Serial unknown Surface Mount -10°C~70°C Clock/Calendar Alarm, Leap Year 2.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 2.75V~3.25V
X1288V14-2.7 X1288V14-2.7 Intersil 0.0000
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0.00000000
ISL12026IBZ ISL12026IBZ Intersil 0.0000
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0.00000000
DS1553-70+ DS1553-70+ Maxim Integrated 0.0000
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0.00000000 download Tube 2010 Obsolete 1 (Unlimited) 28 EAR99 38.862mm ROHS3 Compliant Lead Free 28-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 9.398mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1553 28 NO 2.54mm R-PDIP-P28 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 3mA @ 5V
ISL12025IVZ ISL12025IVZ Rochester Electronics 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 Alarm, Leap Year, Supervisor, Unique ID, Watchdog Timer 8-TSSOP 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
ISL12028IV27Z ISL12028IV27Z Rochester Electronics 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 Alarm, Leap Year, Supervisor, Watchdog Timer 14-TSSOP 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
DS2404S-001 DS2404S-001 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2007 EconoRAM yes Obsolete 1 (Unlimited) 16 EAR99 10.3mm Non-RoHS Compliant Contains Lead No 16-SOIC (0.295, 7.50mm Width) 1-Wire® and 3-Wire 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8542.39.00.01 Binary Counter e3 Matte Tin (Sn) DUAL 260 5V DS2404 16 1.27mm R-PDSO-G16 Alarm, Square Wave Output, SRAM Clock 512B 2.8V~5.5V Binary 0.032MHz SERIAL, 3-WIRE 500μA @ 5V 2.8V~5.5V
DS1305+ DS1305+ Maxim Integrated 6.6847
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0.00000000 download 6 Weeks Through Hole Tube 2002 yes Active 1 (Unlimited) 16 EAR99 19.43mm ROHS3 Compliant Lead Free No 16 16-DIP (0.300, 7.62mm) SPI No SVHC 32.8kHz 4.45mm 7.87mm Through Hole 1.627801g 0°C~70°C CMOS Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS1305 16 2.54mm Timer or RTC 3/5V 1 Alarm, Leap Year, NVSRAM, Trickle-Charger Clock 96B 2V~5.5V HH:MM:SS (12/24 hr) SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
RX-8803LC:UC3 PURE SN RX-8803LC:UC3 PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks Tape & Reel (TR) RX-8803LC Active 1 (Unlimited) 12 3.6mm ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) I2C 2.4mm Surface Mount -40°C~85°C CMOS 1.2mm Clock/Calendar e3 Tin (Sn) DUAL NOT SPECIFIED 3V NOT SPECIFIED YES 0.5mm R-PDSO-J12 Alarm 1.6V~5.5V HH:MM:SS I2C YY-MM-DD 2.1μA~3.4μA @ 3V~5V
DS1248YP-70 DS1248YP-70 Maxim Integrated 0.0000
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0.00000000 download Tube 2012 Obsolete 3 (168 Hours) 34 3A991.B.2.A Non-RoHS Compliant Contains Lead USE DS9034PCX TO ORDER POWERCAP 34-PowerCap™ Module Parallel not_compliant Surface Mount 0°C~70°C CMOS 8473.30.11.40 Phantom Time Chip e0 TIN LEAD DUAL 240 5V NOT SPECIFIED DS1248 34 YES R-XDMA-U34 Timer or RTC Not Qualified 5V NVSRAM 128KB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 10mA @ 5V 3V
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
1337DVGI8 1337DVGI8 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Active 3 (168 Hours) ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1337 Alarm, Leap Year, Square Wave Output 8-TSSOP 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
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
DS1248WP-120IND DS1248WP-120IND Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 Obsolete 3 (168 Hours) 34 3A991.B.2.A Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel 120GHz Surface Mount -40°C~85°C CMOS 8473.30.11.40 Phantom Time Chip e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V DS1248 34 2.54mm Timer or RTC 3.3V NVSRAM Clock 120 ns 128KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V 3V
DS1501W DS1501W Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2004 yes Obsolete 1 (Unlimited) 28 EAR99 3.3V 17.9mm Non-RoHS Compliant Contains Lead No 28 28-DIP (0.600, 15.24mm) Parallel 7.5mm Through Hole 0°C~70°C CMOS 2.65mm 8473.30.11.80 Clock/Calendar DUAL 3.3V DS1501 28 1.27mm Timers or RTCs 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
RTC-72421B:ROHS RTC-72421B:ROHS EPSON 0.0000
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0.00000000
RX-8581SA:B3 RX-8581SA:B3 EPSON 0.0000
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0.00000000 Tape and Reel
R2061S02-E2-F R2061S02-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 SSOP NOT SPECIFIED NOT SPECIFIED Clock
DS1302ZN/T&R DS1302ZN/T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2002 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 8-SOIC (0.154, 3.90mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar DS1302 Leap Year, NVSRAM, Trickle-Charger 8-SOIC 31B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.3μA~1μA @ 2V~5V 2V~5.5V
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