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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 REACH SVHC Reach Compliance Code Density Frequency Height Width Mounting Type Operating Temperature Technology Operating Supply Current Height Seated (Max) HTS Code Nominal Supply Current Type JESD-609 Code Terminal Finish Terminal Position 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Number of Outputs Feature Supplier Device Package Logic Function Access Time Memory Size Number of Bits Voltage - Supply Time Format External Data Bus Width Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency Word Size Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
X1227S8IZ-2.7 X1227S8IZ-2.7 Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 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
ISL12082IB8Z-T ISL12082IB8Z-T Renesas Electronics America 0.0000
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0.00000000 download 3 Weeks Tape & Reel (TR) 2008 Active 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 e3 Matte Tin (Sn) - annealed NOT SPECIFIED NOT SPECIFIED ISL12082 8 Alarm, Leap Year, Watchdog Timer 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
BQ4845S-A4N BQ4845S-A4N Rochester Electronics 0.0000
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0.00000000 Tube Obsolete 1 (Unlimited) ROHS3 Compliant 28-SOIC (0.295, 7.50mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer 28-SOIC 4.75V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.3V~4V
CDP68HC68T1EZ CDP68HC68T1EZ Renesas Electronics America 0.0000
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0.00000000 download 9 Weeks Tray 2001 Active 1 (Unlimited) EAR99 ROHS3 Compliant 16-DIP (0.300, 7.62mm) SPI Through Hole -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed CDP68HC68T1 16 Alarm, Leap Year, Square Wave Output, Watchdog Timer 32B 3V~6V HH:MM:SS (12/24 hr) YY-MM-DD-dd 20μA~500μA @ 5V 2.2V~6V
DS1557P-70 DS1557P-70 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 34 Non-RoHS Compliant 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 512KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 6mA @ 5V 3V
1338AC-31SRGI 1338AC-31SRGI Renesas Electronics America 0.0000
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0.00000000 download Tube Last Time Buy 3 (168 Hours) ROHS3 Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Leap Year, NVSRAM, Square Wave Output 16-SOIC 56B 3.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA @ 3.63V~5.5V 1.3V~3.7V
RX8901CE XB B06 RX8901CE XB B06 EPSON 0.0000
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0.00000000
X1228S14-2.7A X1228S14-2.7A Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1228 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
DS1743P-70+ DS1743P-70+ Rochester Electronics 0.0000
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0.00000000 download Tube yes Obsolete 1 (Unlimited) 34 ROHS3 Compliant A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel unknown Surface Mount 0°C~70°C Clock/Calendar e3 TIN DUAL 260 5V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL Leap Year, NVSRAM, Y2K 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 3mA @ 5V 3V
ISL12008IB8Z ISL12008IB8Z Intersil 0.0000
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0.00000000
DS1673S-3+ DS1673S-3+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2009 yes Active 1 (Unlimited) 20 EAR99 12.8mm ROHS3 Compliant Lead Free 3-CHANNEL, 8-BIT ADC 20-SOIC (0.295, 7.50mm Width) 3-Wire Serial 7.5mm Surface Mount 0°C~70°C MOS 2.65mm 8542.31.00.01 Portable System Controller e3 Matte Tin (Sn) DUAL 260 3V NOT SPECIFIED DS1673 20 YES 1.27mm R-PDSO-G20 Timer or RTC Not Qualified 3V Alarm, Leap Year, Watchdog Timer 2.7V~3.3V HH:MM:SS (12/24 hr) 1 0.032MHz SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 100μA @ 3V 2.5V~3.7V
DS1244WP-120+ DS1244WP-120+ Maxim Integrated 0.0000
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0.00000000 download 11 Weeks Tray 2011 yes Active 3 (168 Hours) 34 EAR99 25.019mm ROHS3 Compliant Lead Free 34-PowerCap™ Module Parallel not_compliant 23.495mm Surface Mount 0°C~70°C CMOS 6.858mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1244 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM 32KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V 3V
DS1338U-33+ DS1338U-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2006 yes Active 1 (Unlimited) 8 EAR99 3.3V 3.1mm ROHS3 Compliant Lead Free Tin No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Unknown 32.8kHz 950μm 3.1mm Surface Mount -40°C~85°C CMOS Clock/Calendar e3 DUAL 260 3.3V 30 DS1338 8 0.65mm Timer or RTC 1 Leap Year, NVSRAM, Square Wave Output Clock 56B 3V~5.5V HH:MM:SS (12/24 hr) SECONDS N NO I2C 1 YY-MM-DD-dd 125μA~200μA @ 3.63V~5.5V 1.3V~3.7V
X1226S8T1 X1226S8T1 Intersil 0.0000
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0.00000000
PT7C4363BQ1WEX PT7C4363BQ1WEX Diodes Incorporated 0.0000
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0.00000000 download 12 Weeks Tape & Reel (TR) Automotive, AEC-Q100 Active 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, SMBus Surface Mount -40°C~125°C Clock/Calendar Alarm 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1.5μA @ 5V 3V
ISL1218IBZ ISL1218IBZ Intersil 0.0000
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0.00000000
X1227S8Z-2.7A X1227S8Z-2.7A Rochester Electronics 0.0000
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0.00000000 download Tube yes Obsolete 1 (Unlimited) 8 4.9022mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9116mm Surface Mount 0°C~70°C CMOS 1.7272mm Clock/Calendar e3 MATTE TIN DUAL 260 5V 40 8 YES 1.27mm R-PDSO-G8 COMMERCIAL Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
M48T35AV-10PC1 M48T35AV-10PC1 STMicroelectronics 0.0000
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0.00000000 download 25 Weeks Through Hole Tube Timekeeper® Active 1 (Unlimited) 28 EAR99 3.3V 39.88mm ROHS3 Compliant Lead Free No 28 28-DIP Module (0.600, 15.24mm) Parallel No SVHC 256 kb 100GHz 8.89mm 18.34mm Through Hole 0°C~70°C CMOS 30mA 8542.39.00.01 30mA Clock/Calendar e3 Matte Tin (Sn) DUAL 3.3V M48T35 28 2.54mm Timer or RTC Leap Year 100 ns 32kB 3V~3.6V HH:MM:SS (24 hr) 8b 8b SECONDS N NO YY-MM-DD-dd 2mA @ 3V~3.6V
DS1501YSN+ DS1501YSN+ Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2013 yes Obsolete 1 (Unlimited) 28 EAR99 18.1mm ROHS3 Compliant Lead Free 28 28-SOIC (0.295, 7.50mm Width) Parallel 8.565mm Surface Mount -40°C~85°C CMOS 3.05mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1501 28 1.27mm Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Clock 256B 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
X1227V8I-2.7A X1227V8I-2.7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 1 8 EAR99 85°C -40°C 4.4mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 3mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 30 8 INDUSTRIAL 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
MCP795B22T-I/ST MCP795B22T-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 MCP795B22 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
PT7C4339UEX PT7C4339UEX Diodes Incorporated 0.0000
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0.00000000 download 20 Weeks Tape & Reel (TR) Active 1 (Unlimited) ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Alarm, Leap Year, Square Wave Output 3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD 250μA @ 3V~5.5V 1.3V~3.7V
RV-3049-C2-32.768KHZ-OPTION-B-TB-QC RV-3049-C2-32.768KHZ-OPTION-B-TB-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~125°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
DS1501YS DS1501YS Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2007 Obsolete 1 (Unlimited) 28 EAR99 18.1mm Non-RoHS Compliant Contains Lead 28 28-SOIC (0.295, 7.50mm Width) Parallel not_compliant 8.565mm Surface Mount 0°C~70°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1501 28 1.27mm Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Clock 256B 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
IDT1337GNLGI IDT1337GNLGI Integrated Device Technology (IDT) 0.0000
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0.00000000 Surface Mount 85°C -40°C RoHS Compliant 16 QFN 2-Wire, I2C, Serial HH:MM:SS (12/24 hr) YY-MM-DD-dd
DS1743-70 DS1743-70 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2004 Obsolete 1 (Unlimited) 28 EAR99 5V 38.225mm Non-RoHS Compliant Contains Lead No 28 28-DIP Module (0.600, 15.24mm) Parallel 70GHz 15.24mm Through Hole 0°C~70°C CMOS 10.67mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V DS1743 28 2.54mm Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 70 ns 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS N NO YY-MM-DD-dd 3mA @ 5V
X1288S16 X1288S16 Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°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
DS1338U-33 DS1338U-33 Maxim Integrated 0.0000
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0.00000000 download Tube 2009 no Obsolete 1 (Unlimited) 8 EAR99 3mm Non-RoHS Compliant Contains Lead 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial not_compliant 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V 20 DS1338 8 YES 0.65mm Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM, Square Wave Output 56B 3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd 125μA~200μA @ 3.63V~5.5V 1.3V~3.7V
DS1747P-70+ DS1747P-70+ Maxim Integrated 0.0000
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0.00000000 download 11 Weeks Tube 2012 yes Obsolete 3 (168 Hours) 34 EAR99 25.019mm ROHS3 Compliant Lead Free 34-PowerCap™ Module Parallel not_compliant 23.495mm Surface Mount 0°C~70°C CMOS 2.3368mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1747 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 5V Leap Year, NVSRAM, Y2K 512KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 5V 3V
DS1315E-33 DS1315E-33 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2011 yes Obsolete 1 (Unlimited) 20 EAR99 3.3V 6.5mm Non-RoHS Compliant Contains Lead No 20 20-TSSOP (0.173, 4.40mm Width) Parallel 4.4mm Surface Mount 0°C~70°C CMOS 1.1mm 8542.39.00.01 Phantom Time Chip e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1315 20 0.65mm Timer or RTC Leap Year Clock 3V~3.6V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND N YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 1.1mA @ 3.3V 2.5V~3.7V
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