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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 Thickness Mounting Type Weight Operating Temperature Technology Operating Supply Current 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 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
DS1339U-33 DS1339U-33 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 8 3mm Non-RoHS Compliant 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 e0 TIN LEAD DUAL 240 3.3V 20 8 YES 0.65mm S-PDSO-G8 COMMERCIAL Alarm, Leap Year, Square Wave Output, Trickle-Charger 2.97V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 200μA @ 5.5V 1.3V~3.7V
PT7C43390WEX PT7C43390WEX 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 3V INDUSTRIAL YES 1.27mm R-PDSO-G8 1.3V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V TIMER, REAL TIME CLOCK SECONDS Y NO I2C 1
ISL1209IU10Z ISL1209IU10Z Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 13 Weeks Surface Mount Bulk 2004 Active 2 8 EAR99 85°C -40°C 3.05mm RoHS Compliant Lead Free No 10 MSOP 2-Wire, I2C, Serial 5.5V 2.7V 950μm 3.05mm CMOS 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3V 30 10 INDUSTRIAL 0.65mm S-PDSO-G8 Timer or RTC 3/5V Clock 2B HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
ISL12027IVZ-T ISL12027IVZ-T Intersil 0.0000
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0.00000000
X1227V8-4.5A X1227V8-4.5A Intersil 0.0000
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0.00000000
X1286A8IT1 X1286A8IT1 Intersil 0.0000
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0.00000000
DS1746W-120IND DS1746W-120IND Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2005 Obsolete 1 (Unlimited) 32 EAR99 3.3V 38.675mm Non-RoHS Compliant Contains Lead Tin No 32 32-DIP Module (0.600, 15.24mm) Parallel Unknown 15.24mm Through Hole -40°C~85°C CMOS 9.27mm 8473.30.11.80 Clock/Calendar e0 DUAL 240 3.3V DS1746 32 2.54mm Timer or RTC Leap Year, NVSRAM, Y2K Clock 128KB 2.97V~3.63V HH:MM:SS (24 hr) 8 SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V
ISL12059IBZ-T ISL12059IBZ-T Electric Imp Inc. 0.0000
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0.00000000 download Surface Mount Tape & Reel 2009 Active 85°C -40°C 3.3V RoHS Compliant No 8 SOIC 2-Wire, I2C, Serial 3.6V 1.8V Clock HH:MM:SS YY-MM-DD-dd
RV-3049-C3-32.768KHZ-OPTION-B-TB-QC RV-3049-C3-32.768KHZ-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-VCDFN 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
MCP7940MT-I/MS MCP7940MT-I/MS Microchip Technology 0.0000
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0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2007 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 2.5V 40 MCP7940M 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock 64B 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO I2C 1 YY-MM-DD-dd 1μA @ 5.5V
DS12885QN+ DS12885QN+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2007 yes Active 1 (Unlimited) 28 EAR99 5V 11.58mm ROHS3 Compliant Lead Free No 28 DAYLIGHT SAVINGS OPTION; SELECTABLE MOTOROLA/INTEL TIMING 28-LCC (J-Lead) Parallel No SVHC 32.8kHz 3.96mm 11.58mm Surface Mount -40°C~85°C CMOS Clock/Calendar e3 Matte Tin (Sn) QUAD 260 5V DS12885 28 1.27mm Timer or RTC 5V 8 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 114B 4.5V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO 1 YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
DS1689S DS1689S Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 no Obsolete 3 (168 Hours) 28 EAR99 18.1mm Non-RoHS Compliant Contains Lead No 28 CAN ALSO OPERATE WITH 5V SUPPLY 28-SOIC (0.295, 7.50mm Width) Parallel 8.565mm Surface Mount 0°C~70°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 3V 20 DS1689 28 1.27mm Timer or RTC 3/5V NVSRAM Clock 114B 16 2.7V~3.3V 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 3V 3mA @ 5V 2.5V~3.7V
DS1744WP-120+ DS1744WP-120+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tube 2012 yes Active 3 (168 Hours) 34 EAR99 25.019mm ROHS3 Compliant Lead Free 34 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 NOT SPECIFIED 3.3V NOT SPECIFIED DS1744 34 YES 1.27mm Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM, Y2K 32KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V 3V
ISL1208IU8-TK ISL1208IU8-TK Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) 2004 Obsolete 1 (Unlimited) 8 3mm Non-RoHS Compliant 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 3V ISL1208 YES 0.65mm S-PDSO-G8 Alarm, Leap Year, SRAM 2B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
PCF2129AT/1,512 PCF2129AT/1,512 NXP Semiconductors 0.0000
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0.00000000 download Tube 2003 Obsolete 3 (168 Hours) 20 ROHS3 Compliant 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 MATTE TIN DUAL NOT SPECIFIED NOT SPECIFIED PCF2129 20 YES 1.27mm R-PDSO-G20 Timers or RTCs Not Qualified 2/4V Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer 1.8V~4.2V HH:MM:SS (12/24 hr) SECONDS Y YES SERIAL, 4 WIRE/SPI YY-MM-DD-dd 1.5μA @ 3.3V 1.8V~4.2V
CDP68HC68T1MZ96 CDP68HC68T1MZ96 Renesas Electronics America 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) 2001 Active 3 (168 Hours) EAR99 ROHS3 Compliant 20-SOIC (0.295, 7.50mm Width) SPI Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed CDP68HC68T1 20 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
IDT1338C-18SRI IDT1338C-18SRI Integrated Device Technology (IDT) 0.0000
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0.00000000 download 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
X1205S8Z X1205S8Z 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 0°C~70°C Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED 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
DS1302Z+T&R/C07 DS1302Z+T&R/C07 Maxim Integrated 0.0000
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0.00000000 download 5 Weeks Tape & Reel (TR) 2002 Obsolete 1 (Unlimited) 70°C 0°C 3.3V ROHS3 Compliant No 8 8-SOIC (0.154, 3.90mm Width) 3-Wire Serial 5.5V 2V Surface Mount 506.605978mg 0°C~70°C 1.2mA Clock/Calendar DS1302 Leap Year, NVSRAM, Trickle-Charger 8-SOIC Clock 31B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.3μA~1μA @ 2V~5V 2V~5.5V
DS1305 DS1305 Maxim Integrated 0.0000
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0.00000000 download Tube 2002 no Obsolete 1 (Unlimited) 16 EAR99 19.175mm Non-RoHS Compliant Contains Lead 16-DIP (0.300, 7.62mm) SPI not_compliant 7.62mm Through Hole 0°C~70°C CMOS 4.572mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1305 16 NO 2.54mm R-PDIP-T16 Timer or RTC Not Qualified 3/5V Alarm, Leap Year, NVSRAM, Trickle-Charger 96B 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
PT7C4563BWEX PT7C4563BWEX 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 1.3V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.65μA~0.85μA @ 3V~5V
X1228S14IZ-4.5A X1228S14IZ-4.5A Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 3 (168 Hours) ROHS3 Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar e3 MATTE TIN NOT SPECIFIED NOT SPECIFIED 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
RV-8564-C3-32.768KHZ-20PPM-TA-QC RV-8564-C3-32.768KHZ-20PPM-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 I2C Surface Mount -40°C~85°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, Leap Year 1V~5.5V HH:MM:SS YY-MM-DD-dd 350nA @ 3V
DS1339BU+ DS1339BU+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Unknown 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar DUAL 3.3V DS1339 8 0.65mm Timer or RTC Alarm, Leap Year, Square Wave Output, Trickle-Charger Clock 1.71V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 200μA @ 1.71V~5.5V 1.3V~3.7V
DS1307ZN/T&R DS1307ZN/T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2011 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar DS1307 Leap Year, NVSRAM, Square Wave Output 8-SOIC 56B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 5V 2V~3.5V
M41ST95WMX6 M41ST95WMX6 STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 3 (168 Hours) 28 EAR99 3.3V 17.96mm ROHS3 Compliant Lead Free 28 28-SOIC (0.295, 7.50mm Width) SPI 7.62mm Surface Mount -40°C~85°C CMOS 2.69mm 8542.39.00.01 Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) 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 SERIAL, 3-WIRE 1 YY-MM-DD-dd 1.4mA @ 2.7V~3.6V 2.5V~3.5V
DS17285E-5 DS17285E-5 Rochester Electronics 0.0000
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0.00000000 download Tray no Obsolete 3 (168 Hours) 28 11.8mm Non-RoHS Compliant 28-TSSOP (0.465, 11.80mm Width) Parallel 8mm Surface Mount 0°C~70°C CMOS 1.2mm Clock/Calendar e0 TIN LEAD DUAL 240 5V 20 28 YES 0.55mm R-PDSO-G28 COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
PCF8523T/1,118 PCF8523T/1,118 NXP Semiconductors 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2010 Active 1 (Unlimited) 8 4.9mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar DUAL NOT SPECIFIED 3V NOT SPECIFIED PCF8523 8 YES 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 1.2/5.5V Alarm, Leap Year, Watchdog Timer 1.6V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd 0.5μA @ 2V~5V 1.8V~5.5V
1337GDCGI8 1337GDCGI8 Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount Tape & Reel 2006 yes Discontinued 1 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant Lead Free No 8 SOIC 2-Wire, I2C, Serial 3.9mm 1.5mm CMOS 1.75mm e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 30 8 INDUSTRIAL 1.27mm Timer or RTC 2/5V 5.5V Clock 8 HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y I2C 1 YY-MM-DD-dd
DS1747WP-120IND+ DS1747WP-120IND+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tray 2005 yes Active 3 (168 Hours) 34 EAR99 25.019mm ROHS3 Compliant Lead Free 34-PowerCap™ Module Parallel 23.495mm Surface Mount -40°C~85°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 512KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V 3V
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