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RTCs

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Lifecycle Status 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 Package / Case Interface Max Supply Voltage REACH SVHC Reach Compliance Code Min Supply Voltage Frequency Height Width Thickness Mounting Type Weight Operating Temperature Technology Height Seated (Max) HTS Code 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) Feature Supplier Device Package Logic Function Access Time Memory Size RAM 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 Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1500WN DS1500WN Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2011 Obsolete 1 (Unlimited) 32 EAR99 Non-RoHS Compliant Contains Lead 32 32-DIP Module (0.600, 15.24mm) Parallel not_compliant Through Hole -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1500 32 2.54mm Timer or RTC Not Qualified 3.3V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 256B 3V~3.6V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 4mA @ 3V~3.6V 2.5V~3.7V
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
DS17885S-5 DS17885S-5 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2000 yes Obsolete 1 (Unlimited) 24 EAR99 5V 17.9mm Non-RoHS Compliant Contains Lead No 24 24-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount 0°C~70°C CMOS 2.67mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 5V DS17885 24 1.27mm 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 YES 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
DS1251WP-120IND DS1251WP-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 3.3V 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 DUAL 225 3.3V 30 DS1251 34 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 3V
RTC-4574SA:B0:ROHS RTC-4574SA:B0:ROHS EPSON 0.0000
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0.00000000 Surface Mount 85°C -40°C 3V RoHS Compliant 14 SOIC Serial 5.5V 1.6V 338.011364mg Clock HH:MM:SS YY-MM-DD-dd
ISL1208IB8-TK ISL1208IB8-TK Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2004 Discontinued 1 8 EAR99 85°C -40°C 4.9022mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 3.9116mm CMOS 1.7272mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 3V NOT SPECIFIED 8 INDUSTRIAL 1.27mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V 2B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
ISL12024IRTCZ ISL12024IRTCZ Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tube 1999 Active 1 (Unlimited) EAR99 ROHS3 Compliant 8-WDFN Exposed Pad I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED ISL12024 8 Alarm, Leap Year, Unique ID 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
DS1501YZ+T&R DS1501YZ+T&R Maxim Integrated 0.0000
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0.00000000 download 8 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 70°C 0°C 5V ROHS3 Compliant No 28 28-SOIC (0.295, 7.50mm Width) Parallel 5.5V 4.5V Surface Mount 0°C~70°C Clock/Calendar DS1501 Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 28-SOIC Clock 256B 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
RTC-72423A3:PURESN RTC-72423A3:PURESN EPSON 0.0000
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0.00000000
RX-4045NB:AA3 PURE SN RX-4045NB:AA3 PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-4045NB Active 1 (Unlimited) ROHS3 Compliant 22-LFDFN 4-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm 22-SON (6.3x4.8) 1.7V~5.5V HH:MM:SS YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
DS1306EN+T&R DS1306EN+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 ROHS3 Compliant Lead Free Tin No 20 20-TSSOP (0.173, 4.40mm Width) SPI 5.5V No SVHC 2V Surface Mount -40°C~85°C Clock/Calendar DS1306 Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 20-TSSOP Clock 96B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
X1227V8-2.7A X1227V8-2.7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 8 EAR99 70°C 0°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 5V 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 YES I2C YY-MM-DD-dd
DS1500Y DS1500Y Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2011 yes Obsolete 1 (Unlimited) 32 EAR99 5V 18.4mm Non-RoHS Compliant Contains Lead No 32-DIP Module (0.600, 15.24mm) Parallel 8mm Through Hole 0°C~70°C CMOS 1.24mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS1500 32 0.5mm R-PDSO-G32 Timer or RTC 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 NO 1 YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
M41T93RQA6F M41T93RQA6F STMicroelectronics 0.0000
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0.00000000 download 10 Weeks ACTIVE (Last Updated: 7 months ago) Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 16 EAR99 4mm ROHS3 Compliant Lead Free No 16 16-VQFN Exposed Pad SPI 4mm Surface Mount 57.09594mg -40°C~85°C CMOS 1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed QUAD 260 3V 40 M41T93 16 0.65mm Timers or RTCs 3/5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 8 2.7V~5.5V HH:MM:SS:hh (24 hr) 5MHz 1/100SECOND Y 7 B 1 YY-MM-DD-dd 10μA @ 5.5V 1.8V~5.5V
MCP79412-I/MS MCP79412-I/MS Microchip Technology 0.0000
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0.00000000 download 7 Weeks Surface Mount Tube 2011 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 5V 40 MCP79412 8 0.65mm Timers or RTCs 2/5V Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Clock 64B 1Kb 1.8V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y NO I2C YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
DS17485S-3 DS17485S-3 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 0°C~70°C CMOS 2.67mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 245 3V NOT SPECIFIED DS17485 24 YES 1.27mm Timer or RTC Not Qualified 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 4KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
DS1746W-120IND+ DS1746W-120IND+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2012 yes Active 1 (Unlimited) 32 EAR99 43.053mm ROHS3 Compliant Lead Free 32 32-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole -40°C~85°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1746 32 NO 2.54mm Timers or RTCs Not Qualified 3.3V Leap Year, NVSRAM, Y2K 128KB 2.97V~3.63V HH:MM:SS (24 hr) 8 SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V
MAX6916EO50+T MAX6916EO50+T Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2013 Obsolete 1 (Unlimited) 20 EAR99 85°C -40°C 8.65mm ROHS3 Compliant Lead Free 20-SSOP (0.154, 3.90mm Width) SPI, 3-Wire Serial 3.9mm Surface Mount CMOS 1.73mm 8542.39.00.01 Clock/Calendar/Supervisor e3 Matte Tin (Sn) DUAL 260 5V 30 MAX6916 20 INDUSTRIAL YES 0.635mm R-PDSO-G20 Timer or RTC Not Qualified 5V Clock 96B 8 4.5V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
PT7C4337UE PT7C4337UE Diodes Incorporated 0.0000
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0.00000000 download 9 Weeks Surface Mount Tube 2013 Last Time Buy 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar DUAL 3.3V 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output Clock 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd 0.8μA @ 1.3V~1.8V
X1228V14I-2.7 X1228V14I-2.7 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 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 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
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
DS1557P-70IND+ DS1557P-70IND+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Surface Mount Tube 2003 yes Active 3 (168 Hours) 34 EAR99 5V 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 5V DS1557 34 Timer or RTC 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 512KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V 3V
ISL12028IBZ-T ISL12028IBZ-T Intersil 0.0000
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0.00000000
DS2417P DS2417P Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2009 Obsolete 1 (Unlimited) 6 EAR99 4mm Non-RoHS Compliant Contains Lead Tin No 6 6-LSOJ (0.148, 3.76mm Width) 1-Wire® Serial Unknown 1.5mm 3.89mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Binary Counter e0 DUAL 240 3V 20 DS2417 6 1.27mm Unique ID Clock 2.5V~5.5V Binary 0.032MHz SERIAL, 1-WIRE 0.45μA @ 2.5V~5.5V
DS1742-85+ DS1742-85+ Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2012 yes Obsolete 1 (Unlimited) 24 EAR99 70°C 0°C 5V 31.75mm ROHS3 Compliant No 24 Parallel 5.5V 4.5V CMOS 5.08mm 8473.30.11.80 e3 MATTE TIN DUAL 5V 24 COMMERCIAL 2.54mm Timer or RTC 5V Clock 2kB HH:MM:SS 8 SECONDS N NO YY-MM-DD-dd
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
RTC-72423B RTC-72423B EPSON 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 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
X1226V8I X1226V8I Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Bulk 2005 1 (Unlimited) 8 EAR99 85°C -40°C 4.4mm Non-RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial not_compliant 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
M41T94MH6E M41T94MH6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 3 (168 Hours) 28 EAR99 18.49mm ROHS3 Compliant Lead Free 28 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets SPI Unknown 2.69mm 8.89mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Tin (Sn) DUAL 260 3V 30 M41T94 28 1.27mm Timer or RTC Not Qualified 3/5V Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer Clock 44B 2.7V~5.5V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y SERIAL, 3-WIRE 44 B 1 YY-MM-DD-dd 1.4mA @ 2.7V~5.5V 2.5V~3.5V
1338C-31SRI 1338C-31SRI Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount Bulk 2006 no Discontinued 3 16 EAR99 85°C -40°C 3.3V 10.4mm RoHS Compliant Contains Lead No 16 SOIC 2-Wire, I2C, Serial 7.6mm 2.34mm CMOS 2.65mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 16 INDUSTRIAL 1.27mm Timer or RTC 3.6/5V 5.5V Clock 56B HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd
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