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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 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) Feature Supplier Device Package Logic Function Access Time Accuracy Memory Size Function 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
ISL12027AIB27Z-T ISL12027AIB27Z-T Intersil 0.0000
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DS1248W-120IND DS1248W-120IND Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2005 Obsolete 1 (Unlimited) 32 3A991.B.2.A 3.3V 43.053mm Non-RoHS Compliant Contains Lead No 32 32-DIP Module (0.600, 15.24mm) Parallel 120GHz 15.24mm Through Hole -40°C~85°C CMOS 10.922mm 8473.30.11.40 Phantom Time Chip e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V DS1248 32 2.54mm Timer or RTC NVSRAM Clock 120 ns 128KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V
IDT1339C-2SOGI IDT1339C-2SOGI Integrated Device Technology (IDT) 0.0000
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0.00000000 RoHS Compliant 16 SOIC
DS1337S/T&R DS1337S/T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2012 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 DS1337 Alarm, Leap Year, Square Wave Output 8-SOIC 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
PT7C4563LE PT7C4563LE Diodes Incorporated 0.0000
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0.00000000 download 9 Weeks Last Time Buy 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C TA CMOS 1.2mm 8542.39.00.01 Clock/Calendar DUAL 3V YES 0.65mm R-PDSO-G8 Timer or RTC Not Qualified 1.5/5V Alarm, Leap Year, Square Wave Output 1.3V~5.5V HH:MM:SS (24 hr) SECONDS Y YES I2C 1 YY-MM-DD-dd 0.65μA~0.85μA @ 3V~5V
PCF2129AT PCF2129AT NXP Semiconductors 0.0000
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0.00000000 download Active Supplier Unconfirmed 20 Clock/Calendar HH:MM:SS DW:DM:M:Y
DS12R885S-33+ DS12R885S-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2003 yes Active 1 (Unlimited) 24 EAR99 3.3V 15.6mm ROHS3 Compliant Lead Free Tin No 24 24-SOIC (0.295, 7.50mm Width) Parallel Unknown 2.35mm 7.6mm Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e3 DUAL 260 3.3V DS12R885 24 1.27mm Timer or RTC Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger Clock 114B 2.97V~3.63V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 2mA @ 2.97V~3.63V 2V~3.05V
X1288V14IT1 X1288V14IT1 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
1339C-31SRI 1339C-31SRI Renesas Electronics America 0.0000
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0.00000000 download Tube Last Time Buy 3 (168 Hours) Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1339 Alarm, Leap Year, Square Wave Output, Trickle-Charger 16-SOIC 3.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 3.63V~5.5V 1.3V~3.7V
X1226S8ZT1 X1226S8ZT1 Renesas Electronics America 0.0000
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0.00000000 download Cut Tape (CT) 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 NOT SPECIFIED NOT SPECIFIED 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
DS1672-3 DS1672-3 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 8 9.375mm Non-RoHS Compliant 8-DIP (0.300, 7.62mm) I2C, 2-Wire Serial 7.62mm Through Hole -40°C~85°C 4.572mm Binary Counter e0 TIN LEAD DUAL 240 3V 20 8 NO 2.54mm R-PDIP-T8 COMMERCIAL Trickle-Charger 2.7V~3.3V Binary 0.032MHz I2C 500μA @ 3.3V 1.3V~3.63V
BQ4847MT BQ4847MT Texas Instruments 0.0000
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0.00000000 download Through Hole Tube yes Obsolete 1 (Unlimited) 28 EAR99 5V 38.8mm ROHS3 Compliant Contains Lead No 28 28-DIP Module (0.61, 15.49mm) Parallel 9.52mm 18.42mm Through Hole 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar DUAL 5V BQ4847 2.54mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Clock 4.75V~5.25V HH:MM:SS (12/24 hr) SECONDS Y NO YY-MM-DD-dd 2.3V~4V
PT7C433833WEX PT7C433833WEX Diodes Incorporated 0.0000
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0.00000000 download 20 Weeks Tape & Reel (TR) 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 8542.39.00.01 Clock/Calendar DUAL 3V YES 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 3/5V Leap Year, NVSRAM, Square Wave Output 56b 2.7V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO I2C 1 YY-MM-DD-dd 125μA @ 2.7V~5.5V 1.5V~3.7V
BQ3285EDSSTR BQ3285EDSSTR Texas Instruments 0.0000
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0.00000000 no 24 EAR99 8.65mm RoHS Compliant Contains Lead 24 SSOP 3.9mm CMOS 1.73mm 8542.39.00.01 DUAL GULL WING NOT SPECIFIED 5V NOT SPECIFIED 24 COMMERCIAL YES 0.635mm 4.5V 70°C Timer or RTC Not Qualified 5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES PARALLEL, MUXED BUS
X1226V8IT1 X1226V8IT1 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 8-TSSOP (0.173, 4.40mm 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
ISL12022MIBZR5421 ISL12022MIBZR5421 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 7 Weeks Surface Mount 2007 Active 1 20 EAR99 85°C -40°C 12.8mm RoHS Compliant No SOIC 2-Wire, I2C, Serial 5.5V 2.7V 7.5mm CMOS 2.65mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3V 20 INDUSTRIAL 1.27mm R-PDSO-G20 Timer or RTC 3/5V Clock 0.0005 % 128B HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
DS1306E+T&R DS1306E+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tape & Reel (TR) 2002 Active 1 (Unlimited) ROHS3 Compliant Lead Free 20-TSSOP (0.173, 4.40mm Width) SPI Surface Mount 0°C~70°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
X1226V8IZ X1226V8IZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 1 8 EAR99 85°C -40°C 4.4mm RoHS Compliant Lead Free 8 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 3mm CMOS 1.2mm e3 MATTE TIN DUAL 260 5V 40 8 INDUSTRIAL 0.65mm Timer or RTC Not Qualified 3/5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
RV-3049-C3-32.768K-OPTION-A-TB-QA RV-3049-C3-32.768K-OPTION-A-TB-QA Micro Crystal 0.0000
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RV-3049-C2-32.768K-OPTION-B-TA-QA RV-3049-C2-32.768K-OPTION-B-TA-QA Micro Crystal 0.0000
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DS1746P-70+ DS1746P-70+ 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 260 5V NOT SPECIFIED DS1746 34 YES 1.27mm Timers or RTCs Not Qualified 5V Leap Year, NVSRAM, Y2K 128KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 5V 3V
ISL1220IUZ ISL1220IUZ Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 2 (1 Year) ROHS3 Compliant 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, SRAM 10-MSOP 8B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
DS1672U-33 DS1672U-33 Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Binary Counter Trickle-Charger 8-uMAX 2.97V~3.63V Binary Binary 500μA @ 3.63V 1.3V~3.63V
RV-3149-C3-32.768KHZ-OPTION-B-TB-QA RV-3149-C3-32.768KHZ-OPTION-B-TB-QA 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, EEPROM, NVRAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
RV-3029-C3-32.768KHZ-OPTION-B-TB-QA RV-3029-C3-32.768KHZ-OPTION-B-TB-QA 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, 2-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
BQ3285ESTRG4 BQ3285ESTRG4 Texas Instruments 0.0000
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0.00000000 Surface Mount Tape & Reel (TR) yes 1 24 EAR99 70°C 0°C 5V 15.4mm RoHS Compliant Contains Lead No 24 SOIC Parallel 5.5V 4.5V 7.5mm 624.398247mg CMOS 2.65mm 8542.39.00.01 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 5V 24 COMMERCIAL 1.27mm Timer or RTC 5V Clock 242B HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd
CDP68HC68T1E CDP68HC68T1E Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 16 EAR99 19.17mm Non-RoHS Compliant 16-DIP (0.300, 7.62mm) SPI 7.62mm Through Hole -40°C~85°C CMOS 5.33mm 8542.39.00.01 Clock/Calendar e0 TIN LEAD DUAL NOT SPECIFIED 5V NOT SPECIFIED 16 NO 2.54mm R-PDIP-T16 Not Qualified Alarm, Leap Year, Square Wave Output, Watchdog Timer 32B 3V~6V HH:MM:SS (12/24 hr) 4.1943MHz SERIAL, 3-WIRE 1 YY-MM-DD-dd 20μA~500μA @ 5V 2.2V~6V
X1228S14IZ X1228S14IZ Intersil 0.0000
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DS1744WP-120 DS1744WP-120 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2006 no Obsolete 3 (168 Hours) 34 EAR99 3.3V 25.27mm Non-RoHS Compliant Contains Lead Tin No 34 A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel 810μm 23.62mm Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e0 DUAL 240 3.3V DS1744 34 Timer or RTC Leap Year, NVSRAM, Y2K Clock 32KB 2.97V~3.63V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V 3V
DS17485E-5+ DS17485E-5+ Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tray 2000 yes Obsolete 3 (168 Hours) 28 EAR99 70°C 0°C 5V 11.8mm ROHS3 Compliant Lead Free No 28 TSOP Parallel 5.5V 4.5V 8mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL 260 5V 30 28 COMMERCIAL 0.55mm Timer or RTC 5V Clock 4kB HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd
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