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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 Termination 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 Height Seated (Max) HTS Code Number of Functions 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 Logic Function Access Time Memory Size Number of Bits Address Bus Width Supply Current-Max Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency RAM (words) Time-Min Interrupt Capability Volatile Information Access Method Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
ISL1209IU10 ISL1209IU10 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Bulk 2004 Discontinued 1 8 EAR99 85°C -40°C 3mm RoHS Compliant Contains Lead 10 MSOP 2-Wire, I2C, Serial 3mm CMOS 1.1mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 3V 30 8 INDUSTRIAL 0.65mm S-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 YY-MM-DD-dd
DS1391U-33 DS1391U-33 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2002 no Obsolete 1 (Unlimited) 10 EAR99 3.3V 3.05mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI Unknown 950μm 3.05mm Surface Mount 143.193441mg -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V 20 DS1391 10 0.5mm Timers or RTCs Alarm, Leap Year, Square Wave Output, Trickle-Charger Clock 2.97V~5.5V HH:MM:SS:hh (12/24 hr) 0.032MHz Y YES SERIAL, 3-WIRE 1 YY-MM-DD-dd 175μA @ 2.97V~5.5V 1.3V~5.5V
DS1743WP-120 DS1743WP-120 Maxim Integrated 0.0000
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0.00000000 download Tube 2007 no Obsolete 3 (168 Hours) 34 EAR99 Non-RoHS Compliant Contains Lead A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel not_compliant Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e0 TIN LEAD DUAL 240 3.3V NOT SPECIFIED DS1743 34 YES R-XDMA-U34 Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM, Y2K 8KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V 3V
DS1339U-3+ DS1339U-3+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2002 yes Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free 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) DUAL 260 3V 30 DS1339 8 YES 0.65mm Timer or RTC Not Qualified 3V Alarm, Leap Year, Square Wave Output, Trickle-Charger 2.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 150μA @ 3.3V 1.3V~3.7V
ISL12024IVZ ISL12024IVZ Intersil 0.0000
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ISL12028IB27AZ ISL12028IB27AZ 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 YES I2C YY-MM-DD-dd
X1227S8Z-2.7A X1227S8Z-2.7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 1 8 EAR99 70°C 0°C 4.9022mm RoHS Compliant Lead Free SOIC 2-Wire, I2C, Serial 3.9116mm CMOS 1.7272mm 8542.39.00.01 e3 MATTE TIN DUAL 260 5V 40 8 COMMERCIAL 1.27mm 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
DS1554P-70+ DS1554P-70+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tube 2003 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 2.3368mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 245 5V 40 DS1554 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 32KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V 3V
X1228S14-2.7T1 X1228S14-2.7T1 Intersil 0.0000
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0.00000000
ISL1208IB8Z-T7A ISL1208IB8Z-T7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 15 Weeks Surface Mount Digi-Reel® 2004 Active 1 8 EAR99 85°C -40°C 4.9022mm RoHS Compliant Lead Free No 8 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 3.9116mm CMOS 1.7272mm e3 Matte Tin (Sn) - annealed DUAL 260 3.3V INDUSTRIAL 1.27mm Clock 8B HH:MM:SS 0.032MHz I2C 2 B YY-MM-DD-dd
IDT1339-31DCGI IDT1339-31DCGI Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount 2006 85°C -40°C 5mm RoHS Compliant 8 SOIC 2-Wire, I2C, Serial 5.5V 2.45V 1.5mm 4mm HH:MM:SS (12/24 hr) YY-MM-DD-dd
PCF85063TP/1,118 PCF85063TP/1,118 NXP Semiconductors 0.0000
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0.00000000
PCF85263AT/AJ PCF85263AT/AJ NXP Semiconductors 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2010 Active 1 (Unlimited) 8 EAR99 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 3.3V NOT SPECIFIED 8 YES 1.27mm R-PDSO-G8 Alarm, Leap Year, Watchdog Timer 0.9V~5.5V HH:MM:SS:hh (12/24 hr) I2C 1 YY-MM-DD-dd 0.885μA @ 3.3V 0.9V~5.5V
X1228V14 X1228V14 Intersil 0.0000
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0.00000000
1339-31DCGI8 1339-31DCGI8 Integrated Device Technology (IDT) 0.0000
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0.00000000 download 7 Weeks Surface Mount Tape & Reel 2006 yes Active 1 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant Lead Free Tin 8 SOIC 2-Wire, I2C, Serial 3.9mm 1.5mm CMOS 1.75mm e3 DUAL 260 30 8 INDUSTRIAL 1.27mm Timer or RTC Not Qualified 3.6/5V 5.5V Clock HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
DS1672U-33+ DS1672U-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2002 yes Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS Binary Counter e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1672 8 YES 0.65mm Timers or RTCs Not Qualified 3.3V 1 Trickle-Charger 32 2.97V~3.63V Binary SECONDS N NO I2C 500μA @ 3.63V 1.3V~3.63V
DS3231S DS3231S Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 16 10.3mm Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 7.5mm Surface Mount 0°C~70°C CMOS 2.65mm Clock/Calendar e0 TIN LEAD DUAL 240 3.3V 20 16 YES 1.27mm R-PDSO-G16 COMMERCIAL Alarm, Leap Year, Square Wave Output, TCXO/Crystal 2.3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 110μA~170μA @ 3.63V~5.5V 2.3V~5.5V
MAX31331EWC+T MAX31331EWC+T Maxim Integrated 0.0000
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0.00000000
RX6110SA:BB PURE SN RX6110SA:BB PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RX6110SA Active 1 (Unlimited) 14 10.1mm ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C, SPI 5mm Surface Mount -40°C~85°C CMOS 3.3mm Clock/Calendar e3 Tin (Sn) DUAL GULL WING NOT SPECIFIED 3V NOT SPECIFIED YES 1.27mm R-PDSO-G14 Alarm, SRAM 16B 1.6V~5.5V I2C; SERIAL 0.25μA @ 3V
M48T08-150PC1 M48T08-150PC1 STMicroelectronics 0.0000
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0.00000000 download 25 Weeks ACTIVE (Last Updated: 7 months ago) Through Hole Tube Timekeeper® Active 1 (Unlimited) 28 Through Hole EAR99 5V 39.88mm ROHS3 Compliant Lead Free Tin No 28 28-DIP Module (0.600, 15.24mm) Parallel No SVHC 32.768kHz 8.89mm 18.34mm Through Hole 4.190003g 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e3 DUAL 5V M48T08 28 2.54mm Timer or RTC Leap Year, Watchdog Timer Clock 150 ns 8kB 8b 80mA 4.75V~5.5V HH:MM:SS (24 hr) 8184 SECONDS N NO YY-MM-DD-dd 3mA @ 4.7V~5.5V
PT7C4337AWEX PT7C4337AWEX Diodes Incorporated 0.0000
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0.00000000 download 21 Weeks Tape & Reel (TR) 2004 Active 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C TA CMOS 1.75mm Clock/Calendar DUAL NOT SPECIFIED 3.3V NOT SPECIFIED YES 1.27mm R-PDSO-G8 Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) I2C 1 YY-MM-DD-dd 0.8μA @ 1.3V~1.8V
ISL12027AIV27Z ISL12027AIV27Z Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2010 Active 1 8 EAR99 85°C -40°C 3.3V 4.4mm RoHS Compliant No 8 TSSOP 2-Wire, I2C, Serial 3mm CMOS 1.2mm e3 Matte Tin (Sn) - annealed DUAL 260 3.3V INDUSTRIAL 0.65mm Timer or RTC 3/5V 5.5V Clock HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
RX-8581JE:B3ROHS RX-8581JE:B3ROHS EPSON 0.0000
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0.00000000 Tape & Reel (TR)
M41T82ZM6F M41T82ZM6F 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) 8 EAR99 5mm ROHS3 Compliant No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 1.25mm 4mm Surface Mount -40°C~85°C CMOS Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 3V 30 M41T82 8 1.27mm Timers or RTCs 3/5V Alarm, Leap Year, SRAM, Watchdog Timer Clock 7B 8 2.38V~5.5V HH:MM:SS:hh (24 hr) 0.4MHz 1/100SECOND Y NO I2C 1 YY-MM-DD-dd 10μA @ 5.5V 2V~5.5V
ISL1209IU10Z-TK ISL1209IU10Z-TK Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 14 Weeks Surface Mount Cut Tape (CT) 2004 Active 2 8 EAR99 85°C -40°C 3mm RoHS Compliant Lead Free No 10 MSOP 2-Wire, I2C, Serial 5.5V 2.7V 3mm CMOS 1.1mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3V 40 10 INDUSTRIAL 0.65mm S-PDSO-G8 Clock 2B HH:MM:SS 0.032MHz I2C 2 B YY-MM-DD-dd
DS1744-70IND DS1744-70IND Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2006 Obsolete 1 (Unlimited) 28 EAR99 5V 39.37mm Non-RoHS Compliant Contains Lead No 28 28-DIP Module (0.600, 15.24mm) Parallel Unknown 10.67mm 18.8mm Through Hole -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V DS1744 28 2.54mm Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 32KB 4.5V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 5V
DS1306EN+T DS1306EN+T Maxim Integrated 0.0000
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0.00000000 download 2005 yes 1 20 EAR99 6.5mm Non-RoHS Compliant 4.4mm CMOS 1.1mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL GULL WING 260 5V 30 20 INDUSTRIAL YES 0.65mm R-PDSO-G20 2V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES SERIAL, 3-WIRE
1339A-31DVGI8 1339A-31DVGI8 Renesas Electronics America 0.0000
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0.00000000 Tape & Reel (TR) Last Time Buy 1 (Unlimited) 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 3.63V~5.5V 1.3V~3.7V
DS12C887A DS12C887A Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 24 33.782mm Non-RoHS Compliant 24-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 9.398mm Clock/Calendar e0 TIN LEAD DUAL 225 5V NOT SPECIFIED 24 NO 2.54mm R-PDIP-T24 COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 113B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
PCA8802U/2AA/1,026 PCA8802U/2AA/1,026 NXP Semiconductors 0.0000
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0.00000000 Tray 2011 Obsolete 1 (Unlimited) 8 1.19mm ROHS3 Compliant SEATED HGT_NOM; TERM PITCH-MAX Die I2C, 2-Wire Serial 1.14mm -40°C~85°C CMOS 0.215mm 8542.39.00.01 1 Binary Counter BOTTOM 3V PCA8802 YES 0.449mm R-PBCC-B8 1.6V 5.5V Square Wave Output, Unique ID 1.6V~5.5V Binary 0.4μA @ 1.6V~5.5V
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