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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 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 Supplier Device Package Logic Function Access Time Accuracy Memory Size Number of Bits Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency RAM (words) On Chip Data RAM Width Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
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
DS1687-5+ DS1687-5+ Maxim Integrated 0.0000
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0.00000000 download 19 Weeks Tube 2000 yes Active 1 (Unlimited) 24 EAR99 33.782mm ROHS3 Compliant Lead Free 24 24-DIP Module (0.600, 15.24mm) Parallel not_compliant Through Hole 0°C~70°C CMOS 9.398mm Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1687 24 NO 2.54mm Timer or RTC Not Qualified 5V 11 Alarm, NVSRAM, Square Wave Output, Y2K 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
DS1305EN/T&R DS1305EN/T&R Rochester Electronics 0.0000
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0.00000000 download Tape & Reel (TR) 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
M41T93SMY6E M41T93SMY6E 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 2.34mm 7.62mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 240 30 M41T93 18 1.27mm Timers or RTCs Not Qualified 3.3/5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 7B 8 3V~5.5V HH:MM:SS:hh (24 hr) 5MHz 1/100SECOND Y NO 1 YY-MM-DD-dd 10μA @ 5.5V 1.8V~5.5V
ISL12025IBZ ISL12025IBZ Renesas Electronics America 0.0000
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0.00000000 download Tube 2018 Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12025 8 Alarm, Leap Year, Supervisor, Unique ID, 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
ISL12029IVAZ-T ISL12029IVAZ-T Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12029 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
PT7C4337BWEX PT7C4337BWEX Diodes Incorporated 0.0000
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0.00000000 20 Weeks Tape & Reel (TR) Active 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.8μA @ 1.2V~1.8V
ISL12029IBAZ ISL12029IBAZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 Active 2 14 EAR99 85°C -40°C 3.3V 8.65mm RoHS Compliant No 14 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 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
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
PT7C4563UEX PT7C4563UEX Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
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0.00000000 Tape & Reel (TR) 8 EAR99 3mm RoHS Compliant compliant 3mm CMOS 1.1mm 8542.39.00.01 DUAL GULL WING 3V INDUSTRIAL YES 0.65mm S-PDSO-G8 1.3V 85°C -40°C Timer or RTC Not Qualified 1.5/5V 5.5V TIMER, REAL TIME CLOCK SECONDS Y YES I2C 1
DS17887-5IND+ DS17887-5IND+ Maxim Integrated 0.0000
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0.00000000 download 16 Weeks Through Hole Tube 2000 yes Active 1 (Unlimited) 24 EAR99 5V 33.782mm ROHS3 Compliant Lead Free No 24 24-DIP Module (0.600, 15.24mm) Parallel Through Hole -40°C~85°C CMOS 9.398mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 5V DS17887 24 2.54mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 8KB 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
PT7C4337LE PT7C4337LE Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
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0.00000000 RoHS Compliant
ISL12008IB8Z ISL12008IB8Z Renesas Electronics America 0.0000
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0.00000000 download 7 Weeks Tube Active 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12008 8 Alarm, Leap Year 2.7V~5.5V HH:MM:SS:hh (24 hr) YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
DS1388Z-3+ DS1388Z-3+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 8 EAR99 3V 4.9mm ROHS3 Compliant Lead Free No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3V DS1388 8 1.27mm Timers or RTCs 3V EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer Clock 512B 2.7V~3.3V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND Y NO I2C YY-MM-DD-dd 140μA @ 2.7V~3.3V 1.3V~5.5V
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
ISL12022MIBZ-T ISL12022MIBZ-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 6 Weeks Surface Mount Cut Tape (CT) 2007 Active 1 20 EAR99 85°C -40°C 12.8mm RoHS Compliant Lead Free No 20 SOIC 2-Wire, I2C, Serial 5.5V No SVHC 2.7V 7.5mm CMOS 2.65mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3V 30 20 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock 0.0005 % 128B HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
M41ST85WMX6 M41ST85WMX6 STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 3 (168 Hours) 28 SMD/SMT EAR99 3.3V 18.01mm ROHS3 Compliant Lead Free 28 28-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial No SVHC 2.39mm 7.67mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3V NOT SPECIFIED M41ST 28 1.27mm Timer or RTC Not Qualified Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer Clock 44B 2.7V~3.6V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y NO I2C 1 YY-MM-DD-dd 0.5mA @ 2.7V~3.6V 2.5V~3.5V
M48T129V-85PM1 M48T129V-85PM1 STMicroelectronics 0.0000
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0.00000000 download Through Hole Tube Timekeeper® Obsolete 1 (Unlimited) 32 EAR99 3.3V 42.8mm ROHS3 Compliant Contains Lead 32 32-DIP Module (0.600, 15.24mm) Parallel 85GHz 15.24mm Through Hole 0°C~70°C CMOS 9.52mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN DUAL 225 3.3V NOT SPECIFIED M48T129 32 2.54mm Timer or RTC Not Qualified Alarm, Leap Year, Watchdog Timer Clock 85 ns 976.6kB 3V~3.6V HH:MM:SS (24 hr) 8 128000 8 SECONDS Y NO YY-MM-DD-dd 3mA @ 3V~3.6V
X1205V8I X1205V8I Renesas Electronics America 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 X1205 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
X1288V14I-2.7T1 X1288V14I-2.7T1 Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount 1 14 EAR99 85°C -40°C 5mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 30 14 INDUSTRIAL 0.65mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 3/5V 5.5V 31.3kB HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1 YY-MM-DD-dd
RX8804CE XB0 RX8804CE XB0 EPSON 0.0000
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0.00000000
PT7C4302WEX PT7C4302WEX Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
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0.00000000 Tape & Reel (TR) 8 EAR99 4.9mm RoHS Compliant compliant 3.9mm CMOS 1.75mm 8542.39.00.01 DUAL GULL WING 2V INDUSTRIAL YES 1.27mm R-PDSO-G8 1.5V 85°C -40°C Timer or RTC Not Qualified 1.5/5V 5.5V TIMER, REAL TIME CLOCK SECONDS N NO SERIAL, 3-WIRE 1
IDT1338C-31SRI IDT1338C-31SRI Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount 2006 85°C -40°C Non-RoHS Compliant 16 SOIC 2-Wire, I2C, Serial 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd
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
MCP795B21T-I/ST MCP795B21T-I/ST Microchip Technology 0.0000
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0.00000000 download Tape & Reel (TR) 2011 Obsolete 1 (Unlimited) 14 EAR99 5mm ROHS3 Compliant ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ 14-TSSOP (0.173, 4.40mm Width) SPI 4.4mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN (SN) DUAL 5V MCP795B21 14 YES 0.65mm 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
IDT1338-31DVGI IDT1338-31DVGI Integrated Device Technology 0.0000
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0.00000000
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
DS1672U-33 DS1672U-33 Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Binary Counter Trickle-Charger 8-uMAX 2.97V~3.63V Binary Binary 500μA @ 3.63V 1.3V~3.63V
DS1642-70+ DS1642-70+ Maxim Integrated 0.0000
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0.00000000 download Tube 2009 yes Obsolete 1 (Unlimited) 24 EAR99 33.02mm ROHS3 Compliant Lead Free 24-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 10.668mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1642 24 NO 2.54mm R-PDMA-P24 Timer or RTC Not Qualified 5V Leap Year, NVSRAM 2KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V
X1226S8 X1226S8 Renesas Electronics America Inc. 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°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
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