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RTCs

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Mount Packaging Published 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 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 Load Capacitance Supplier Device Package Logic Function Access Time Memory Size 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
DS1643P-85+ DS1643P-85+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

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
DS1341U+T&R DS1341U+T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 5.5V 1.8V Surface Mount -40°C~85°C Clock/Calendar DS1341 Alarm, Leap Year, Square Wave Output 8-uMAX Clock 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.5μA~0.6μA @ 3V~5V
DS1307Z+T&R/C01 DS1307Z+T&R/C01 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2 Weeks Tape & Reel (TR) 2012 Obsolete 1 (Unlimited) 70°C 0°C 5V ROHS3 Compliant No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar DS1307 Leap Year, NVSRAM, Square Wave Output 8-SOIC Clock 56B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 5V 2V~3.5V
DS1557WP-120+ DS1557WP-120+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Tray 2003 yes Active 3 (168 Hours) 34 EAR99 ROHS3 Compliant Lead Free 34 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1557 34 YES Timer or RTC Not Qualified 3.3V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 512KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V 3V
DS17485-3 DS17485-3 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2010 Obsolete 1 (Unlimited) 24 EAR99 3V 31.75mm Non-RoHS Compliant Contains Lead No 24 24-DIP (0.600, 15.24mm) Parallel Through Hole 0°C~70°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 3V 20 DS17485 24 2.54mm Timer or RTC 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 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
DS1643AL-120 DS1643AL-120 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2000 Obsolete 3 (168 Hours) Non-RoHS Compliant Contains Lead 34 34-LPM Parallel Surface Mount 0°C~70°C Clock/Calendar DS1643 Leap Year, NVSRAM 8KB 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 4mA @ 5V
DS1501W DS1501W Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

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
DS1685Q-3 DS1685Q-3 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2005 Obsolete 1 (Unlimited) 28 EAR99 3V 11.505mm Non-RoHS Compliant Contains Lead No 28 28-LCC (J-Lead) Parallel 11.505mm Surface Mount 0°C~70°C CMOS 4.57mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) QUAD 245 3V DS1685 28 1.27mm Timer or RTC 3V Alarm, NVSRAM, Square Wave Output, Y2K Clock 242B 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS YES 1 YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
DS1742-85+ DS1742-85+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

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
DS1500WN DS1500WN Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

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
DS1306EN/T&R DS1306EN/T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

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
DS17487-3+ DS17487-3+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Tube 2000 yes Active 1 (Unlimited) 24 EAR99 33.782mm ROHS3 Compliant Lead Free 24-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 9.398mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3V NOT SPECIFIED DS17487 24 NO 2.54mm R-PDIP-T24 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 NO 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
DS17285EN-3+ DS17285EN-3+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2000 yes Obsolete 2 (1 Year) 28 EAR99 11.8mm ROHS3 Compliant 28-TSSOP (0.465, 11.80mm Width) Parallel 8mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar DUAL 3V DS17285 YES 0.55mm R-PDSO-G28 Timer or RTC Not Qualified 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 SECONDS Y NO 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
DS1305E+T&R DS1305E+T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Tape & Reel (TR) 2002 Active 1 (Unlimited) ROHS3 Compliant Lead Free 20 20-TSSOP (0.173, 4.40mm Width) SPI Surface Mount 0°C~70°C Clock/Calendar DS1305 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
DS1340U-33T DS1340U-33T Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download yes 1 8 EAR99 3mm RoHS Compliant Contains Lead compliant 3mm CMOS 1.1mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V 30 8 INDUSTRIAL YES 0.65mm S-PDSO-G8 2.97V 85°C -40°C Timer or RTC Not Qualified 3.3V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS N NO I2C
DS1743-70+ DS1743-70+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2012 yes Obsolete 1 (Unlimited) 28 EAR99 38.225mm ROHS3 Compliant Lead Free 28-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 10.67mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1743 28 NO 2.54mm R-XDMA-P28 Timer or RTC Not Qualified 5V Leap Year, NVSRAM, Y2K 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V
DS1742-100IND+ DS1742-100IND+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2012 yes Obsolete 1 (Unlimited) 24 EAR99 5V 37.595mm ROHS3 Compliant Lead Free No 24 24-DIP Module (0.600, 15.24mm) Parallel Unknown Through Hole -40°C~85°C CMOS 8.51mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V DS1742 24 2.54mm Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 2KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V
DS1337ST DS1337ST Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 yes 1 (Unlimited) 8 EAR99 4.9mm Non-RoHS Compliant Contains Lead 3.9mm CMOS 1.75mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V NOT SPECIFIED 8 INDUSTRIAL YES 1.27mm R-PDSO-G8 1.8V 85°C -40°C Timers or RTCs Not Qualified 2/5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1
DS1251WP-C02+ DS1251WP-C02+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Bulk 2011 Obsolete 1 (Unlimited) ROHS3 Compliant Parallel 0°C~70°C Phantom Time Chip DS1251 Leap Year, NVSRAM 512KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 7mA @ 3.3V 3V
DS1501WZ+ DS1501WZ+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 28 EAR99 3.3V 17.9mm ROHS3 Compliant No 28 28-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount 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
DS1244W-120IND DS1244W-120IND Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2005 Obsolete 1 (Unlimited) 28 EAR99 3.3V 38.862mm Non-RoHS Compliant Contains Lead No 28 28-DIP Module (0.600, 15.24mm) Parallel 120GHz 15.24mm Through Hole -40°C~85°C CMOS 9.398mm 8542.39.00.01 Phantom Time Chip e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V DS1244 28 2.54mm Timer or RTC 3.3/5V Leap Year, NVSRAM Clock 120 ns 32KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V
DS1747WP-120 DS1747WP-120 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2005 yes Obsolete 3 (168 Hours) 34 EAR99 25.019mm Non-RoHS Compliant Contains Lead 34-PowerCap™ Module Parallel 23.495mm Surface Mount 0°C~70°C CMOS 2.3368mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED DS1747 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM, Y2K 10pF 512KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V 3V
DS1747WP-C2+ DS1747WP-C2+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 98 Weeks 2013 Obsolete 1 (Unlimited)
DS1744WP-120IND+ DS1744WP-120IND+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks Surface Mount Tube 2012 yes Active 3 (168 Hours) 34 EAR99 3.3V 25.019mm ROHS3 Compliant Lead Free Tin No 34 34-PowerCap™ Module Parallel 23.495mm Surface Mount -40°C~85°C CMOS 2.3368mm 8473.30.11.80 Clock/Calendar e3 DUAL 245 3.3V 40 DS1744 34 1.27mm Timer or RTC Leap Year, NVSRAM, Y2K Clock 32KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V 3V
DS1339U-33+T DS1339U-33+T Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2006 yes 1 8 EAR99 3mm RoHS Compliant Lead Free compliant 3mm CMOS 1.1mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V 30 8 INDUSTRIAL YES 0.65mm S-PDSO-G8 2.97V 85°C -40°C Timer or RTC Not Qualified 3.3V 3.63V TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1
DS1647-120+ DS1647-120+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2012 yes Obsolete 1 (Unlimited) 32 EAR99 5V 43.053mm ROHS3 Compliant Lead Free No 32 32-DIP Module (0.600, 15.24mm) Parallel Unknown 15.24mm Through Hole 0°C~70°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V DS1647 32 2.54mm Timer or RTC 5V Leap Year, NVSRAM Clock 512KB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS N NO YY-MM-DD-dd 4mA @ 4.5 V~5.5 V
DS1743P-70 DS1743P-70 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2007 Obsolete 3 (168 Hours) 34 EAR99 5V Non-RoHS Compliant Contains Lead No 34 A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e0 TIN LEAD DUAL 240 5V DS1743 34 Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V 3V
DS12C887A+ DS12C887A+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 11 Weeks Tube 2000 yes Active 1 (Unlimited) 24 EAR99 ROHS3 Compliant Lead Free 24 24-DIP Module (0.600, 15.24mm) Parallel not_compliant Through Hole 0°C~70°C CMOS Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS12C887 24 NO 2.54mm Timer or RTC Not Qualified 5V 8 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 113B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
DS1553-100 DS1553-100 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2005 Obsolete 1 (Unlimited) 28 EAR99 5V 38.862mm Non-RoHS Compliant Contains Lead, Lead Free No 28 28-DIP Module (0.600, 15.24mm) Parallel Unknown 15.24mm Through Hole 0°C~70°C CMOS 9.398mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V DS1553 28 2.54mm Timer or RTC 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 3mA @ 5V
DS1685-3+ DS1685-3+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks Tube 2000 yes Active 1 (Unlimited) 24 EAR99 31.75mm ROHS3 Compliant Lead Free 24-DIP (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 5.08mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3V 30 DS1685 24 NO 2.54mm R-PDIP-T24 Timer or RTC Not Qualified 3V Alarm, NVSRAM, Square Wave Output, Y2K 242B 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
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