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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 Height Width Mounting Type Weight 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Output Current Feature Load Capacitance Supplier Device Package Logic Function Memory Size Function Number of Bits Supply Current-Max 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
ISL12027IBAZ-T ISL12027IBAZ-T Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12027 8 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
ISL12028AIV27Z ISL12028AIV27Z Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 Active 1 14 EAR99 85°C -40°C 3.3V 5mm RoHS Compliant No 14 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 4.4mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 3.3V INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
ISL12029AIV27Z ISL12029AIV27Z Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 Active 1 14 EAR99 85°C -40°C 3.3V 5mm RoHS Compliant No 14 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 4.4mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
BQ3285S-SB2G4 BQ3285S-SB2G4 Texas Instruments 0.0000
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0.00000000 Surface Mount yes 1 24 EAR99 70°C 0°C 5V 15.4mm RoHS Compliant Contains Lead No 24 SOIC Parallel 5.5V 4.5V 2.35mm 7.52mm 624.398247mg CMOS 8542.39.00.01 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 5V 24 COMMERCIAL 1.27mm Timer or RTC 5V Clock 114B HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd
X1226V8T1 X1226V8T1 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 1 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 240 5V 30 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 NO I2C 1 YY-MM-DD-dd
X1288S16T1 X1288S16T1 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 1 16 EAR99 70°C 0°C 10.3mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 7.5mm CMOS 2.65mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED 16 COMMERCIAL 1.27mm R-PDSO-G16 4.5V Timer or RTC Not Qualified 5V 5.5V 31.3kB HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1 YY-MM-DD-dd
BQ4802LYDWG4 BQ4802LYDWG4 Texas Instruments 0.0000
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0.00000000 Surface Mount 1 28 EAR99 70°C 0°C 3.3V 17.9mm RoHS Compliant Lead Free Gold No 28 SOIC Parallel 3.6V 2.7V 7.5mm 730.794007mg CMOS 2.65mm 8542.39.00.01 e4 DUAL 260 3.3V 28 COMMERCIAL 1.27mm Timer or RTC Clock 9mA HH:MM:SS 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd
ISL12030IBZ ISL12030IBZ Rochester Electronics 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 Alarm, Daylight Savings, SRAM 8-SOIC 128B 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 18μA @ 5.5V
BQ4285P-SB2 BQ4285P-SB2 Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 3 (168 Hours) ROHS3 Compliant 24-DIP (0.600, 15.24mm) Parallel Through Hole 0°C~70°C Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 24-PDIP 114B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5V~4V
DS1743-85+ DS1743-85+ Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 3 (168 Hours) ROHS3 Compliant 28-DIP Module (0.600, 15.24mm) Parallel Through Hole 0°C~70°C Clock/Calendar Leap Year, NVSRAM, Y2K 28-EDIP 8KB 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 3mA @ 5V
X1286A8 X1286A8 Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-SOIC (0.209, 5.30mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1286 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
ISL12027IV27Z ISL12027IV27Z Renesas Electronics America 0.0000
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0.00000000 download Tube 2010 Obsolete 1 (Unlimited) ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12027 8 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
X1205V8I X1205V8I Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Bulk 2005 1 8 EAR99 85°C -40°C 4.4mm RoHS Compliant Contains Lead 8 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 3mm CMOS 1.2mm e0 Tin/Lead (Sn/Pb) DUAL 240 5V 30 8 INDUSTRIAL 0.65mm Timer or RTC Not Qualified 3/5V HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
ISL12027IVAZ ISL12027IVAZ 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 5.5V 2.7V 3mm CMOS 1.2mm e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
ISL12028IVAZ ISL12028IVAZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 Active 1 14 EAR99 85°C -40°C 3.3V 5mm RoHS Compliant No 14 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 4.4mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
DS1688 DS1688 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 28 36.83mm Non-RoHS Compliant CAN ALSO OPERATE AT 5V 28-DIP (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 5.08mm Clock/Calendar e0 TIN LEAD DUAL 245 5V NOT SPECIFIED 28 NO 2.54mm R-PDIP-T28 COMMERCIAL Alarm, Leap Year, Square Wave Output, Unique ID 114B 16 2.7V~3.3V 4.5V~5.5V HH:MM:SS (12/24 hr) 8 1 YY-MM-DD
DS1643P-70 DS1643P-70 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 34 25.019mm Non-RoHS Compliant 34-PowerCap™ Module Parallel unknown 23.495mm Surface Mount 0°C~70°C 2.3368mm Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 34 YES 1.27mm R-XDMA-U34 COMMERCIAL Leap Year, NVSRAM 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 3mA @ 5V 3V
PCF8564AUG/12HB/1V PCF8564AUG/12HB/1V NXP Semiconductors 0.0000
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0.00000000 7 Weeks Tray 2008 Active Not Applicable 9 ROHS3 Compliant Die I2C, 2-Wire Serial Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar UPPER NOT SPECIFIED 2V NOT SPECIFIED 9 YES R-XUUC-N9 Alarm, Leap Year, Square Wave Output, Watchdog Timer 1V~5.5V HH:MM:SS (24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 0.6μA~0.75μA @ 2V~5V
IDT1338-31DVGI IDT1338-31DVGI Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount 2006 85°C -40°C RoHS Compliant 8 MSOP 2-Wire, I2C, Serial 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd
AB-RTCMC-32.768KHZ-AIGZ-S AB-RTCMC-32.768KHZ-AIGZ-S Abracon LLC 0.0000
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0.00000000 download Bulk Active RoHS Compliant 8 Clock/Calendar/Alarm/Timer/Interrupt HH:MM:SS DW:DM:M:Y
BQ3285LSS BQ3285LSS Rochester Electronics 0.0000
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0.00000000 Tube yes Obsolete 3 (168 Hours) 24 Non-RoHS Compliant 24-SSOP (0.154, 3.90mm Width) Parallel Surface Mount CMOS Clock/Calendar e0 TIN LEAD DUAL NOT SPECIFIED 3.15V NOT SPECIFIED COMMERCIAL YES R-PDSO-G24 70°C COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B 2.7V~3.6V HH:MM:SS (12/24 hr) 8 1 YY-MM-DD-dd 2.4V~4V
X1288V14T1 X1288V14T1 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
X1226S8IT1 X1226S8IT1 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar X1226 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
DS12R885-5 DS12R885-5 Maxim Integrated 0.0000
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0.00000000 Bulk 24 EAR99 85°C -40°C 5V 17.9mm RoHS Compliant No 24 SOIC 7.5mm CMOS 2.67mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 5V 24 INDUSTRIAL YES 1.27mm Timer or RTC 5V Clock 8 0.032MHz SECONDS Y NO PARALLEL, MUXED BUS 1
DS1392U-33+ DS1392U-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 10 EAR99 3.3V 3mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) 3-Wire Serial Unknown 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Tin (Sn) DUAL 260 3.3V 30 DS1392 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 NO SERIAL, 2-WIRE/I2C 1 YY-MM-DD-dd 175μA @ 2.97V~5.5V 1.3V~5.5V
DS1744-70 DS1744-70 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 28 38.865mm Non-RoHS Compliant 28-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C 10.42mm Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 28 NO 2.54mm R-XDMA-T28 COMMERCIAL Leap Year, NVSRAM, Y2K 32KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 4mA @ 5V
ISL1218IUZ-T ISL1218IUZ-T Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tape & Reel (TR) 2004 Active 2 (1 Year) EAR99 ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED ISL1218 8 Alarm, Leap Year, SRAM 8B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
X1288V14-2.7AT1 X1288V14-2.7AT1 Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount 1 14 EAR99 70°C 0°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 COMMERCIAL 0.65mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 3/5V 5.5V 31.3kB HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1 YY-MM-DD-dd
DS1603 DS1603 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tray 2002 no Obsolete 1 (Unlimited) 7 EAR99 5V 21.335mm Non-RoHS Compliant Contains Lead No 7 ONE BYTE PROTOCOL; 1 HZ FIXED O/P; 10 YEARS DATA RETENTION; ACCURACY 2 MIN/MONTH 14-DIP Module (0.335, 8.51mm) 3-Wire Serial Through Hole 0°C~70°C CMOS 8.38mm 8542.39.00.01 Elapsed Time Counter e0 TIN LEAD SINGLE 240 5V DS1603 7 2.54mm 1mA 50pF Clock, Counter 4.5V~5.5V Binary 2MHz SERIAL, 3-WIRE 1 50μA @ 5V 3V~4.5V
PT7C4302ZEEX PT7C4302ZEEX Diodes Incorporated 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 8-WFDFN Exposed Pad 3-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 31B 1.2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 1.5V~5.5V
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