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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 Radiation Hardening Number of Pins Additional Feature Package / Case Interface Max Supply Voltage Reach Compliance Code Min Supply Voltage Frequency Height 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) Feature Supplier Device Package Source Url Status Check Date Logic Function Access Time 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
PCF8583T/F5,112 PCF8583T/F5,112 NXP Semiconductors / Freescale 0.0000
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0.00000000 download Surface Mount Rail/Tube 85°C -40°C RoHS Compliant 8 SO 6V 2.5V 8 2013-06-14 00:00:00 HH:MM:SS:hh
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
ISL12025IBZ-T ISL12025IBZ-T Intersil 0.0000
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DS1742-70 DS1742-70 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2005 Obsolete 1 (Unlimited) 24 EAR99 5V 37.595mm Non-RoHS Compliant Contains Lead No 24 24-DIP Module (0.600, 15.24mm) Parallel Through Hole 0°C~70°C CMOS 8.51mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 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
X1288S16I-2.7AT1 X1288S16I-2.7AT1 Intersil 0.0000
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0.00000000
DS1685QN-5/T&R DS1685QN-5/T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2012 Obsolete 1 (Unlimited) 85°C -40°C Non-RoHS Compliant Contains Lead 28-LCC (J-Lead) Parallel 5.5V 4.5V Surface Mount -40°C~85°C Clock/Calendar DS1685 Alarm, NVSRAM, Square Wave Output, Y2K 28-PLCC (11.51x11.51) Clock 242B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
RX-8571SA:B PURE SN RX-8571SA:B PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RX-8571SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm, SRAM 14-SOP 16B 1.6V~5.5V 0.4μA @ 3V
PCF2123U/12AA/1,00 PCF2123U/12AA/1,00 NXP Semiconductors 0.0000
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0.00000000 download 2010 Obsolete 1 (Unlimited) 12 ROHS3 Compliant CMOS 8542.39.00.01 e3 MATTE TIN UPPER NO LEAD NOT SPECIFIED 2V NOT SPECIFIED INDUSTRIAL YES R-XUUC-N12 1.8V 85°C -40°C Timers or RTCs Not Qualified 1.1/5.5V 4.2V TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES SERIAL, 3-WIRE 1
ISL12027IBZ-T ISL12027IBZ-T Intersil 0.0000
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0.00000000
R2262T01-E2-F R2262T01-E2-F Ricoh Electronic Devices Company 0.0000
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0.00000000 download Tape and Reel Active RoHS Compliant 10 Clock/Calendar/Alarm/Interrupt HH:MM:SS DW:DM:M:Y
ISL12029IBAZ-T ISL12029IBAZ-T 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 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 14, 14 INDUSTRIAL 1.27mm R-PDSO-G14 Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
PCF8593T,112 PCF8593T,112 NXP Semiconductors 0.0000
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0.00000000
X1288V14I-2.7A X1288V14I-2.7A Renesas Electronics America 0.0000
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0.00000000 download Tube 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 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
ISL1208IRT8Z-TK ISL1208IRT8Z-TK Renesas Electronics America 0.0000
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0.00000000 download 8 Weeks Tape & Reel (TR) 2004 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant 8-WDFN Exposed Pad I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 0.85mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3V NOT SPECIFIED ISL1208 8 YES 0.65mm S-PDSO-N8 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
DS1305E DS1305E Maxim Integrated 0.0000
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0.00000000 download Tube 1997 no Obsolete 1 (Unlimited) 20 EAR99 6.5mm Non-RoHS Compliant Contains Lead 20-TSSOP (0.173, 4.40mm Width) SPI not_compliant 4.4mm Surface Mount 0°C~70°C CMOS 1.1mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1305 20 YES 0.65mm R-PDSO-G20 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
X1227S8IZ-2.7AT1 X1227S8IZ-2.7AT1 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 X1227 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
PT7C4311WE PT7C4311WE Diodes Incorporated 0.0000
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0.00000000 download 9 Weeks Surface Mount Tube Last Time Buy 3 (168 Hours) 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 2V 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 1.8/5V Leap Year, Square Wave Output, Y2K 56B 1.2V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd 70μA @ 1.5V~5.5V 2V~5.5V
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
DS1244YP-70+ DS1244YP-70+ Maxim Integrated 0.0000
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0.00000000 download 11 Weeks Tube 2011 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 6.858mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1244 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 5V Leap Year, NVSRAM 32KB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 10mA @ 5V 3V
DS1646-120+ DS1646-120+ Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2011 yes Obsolete 1 (Unlimited) 32 EAR99 5V 44.2mm ROHS3 Compliant Lead Free No 32 32-DIP Module (0.600, 15.24mm) Parallel 10.92mm 18.8mm Through Hole 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 5V DS1646 32 Leap Year, NVSRAM Clock 128KB 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 4mA @ 4.5 V~5.5 V 3V
DS1284 DS1284 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2009 no Obsolete 1 (Unlimited) 28 EAR99 5V 11.505mm Non-RoHS Compliant Contains Lead No 28 ACCURACY 2 MIN/MONTH @ 25 DEGREE C; 1024 HZ FIXED O/P 28-DIP (0.600, 15.24mm) Parallel 11.505mm Through Hole 0°C~70°C CMOS 4.57mm 8542.32.00.41 Clock/Calendar e0 Tin/Lead (Sn/Pb) QUAD 245 5V DS1284 28 1.27mm Timer or RTC 5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 50B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 0.032MHz 1/100SECOND Y YES 1 YY-MM-DD-dd 7mA @ 5V 2.4V~3.5V
DS1244W-120+ DS1244W-120+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tube 2007 yes Active 1 (Unlimited) 28 EAR99 38.862mm ROHS3 Compliant Lead Free 28-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 9.398mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1244 28 NO 2.54mm R-PDIP-P28 Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM 32KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N YES YY-MM-DD-dd 7mA @ 3.3V
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
ISL12020MIRZ ISL12020MIRZ Intersil 0.0000
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0.00000000
DS1338Z-33 DS1338Z-33 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 8 4.9mm Non-RoHS Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Clock/Calendar e0 TIN LEAD DUAL 245 3.3V NOT SPECIFIED 8 YES 1.27mm R-PDSO-G8 COMMERCIAL Leap Year, NVSRAM, Square Wave Output 56B 3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 125μA~200μA @ 3.63V~5.5V 1.3V~3.7V
PCF8523TS/1,118 PCF8523TS/1,118 NXP Semiconductors 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2003 Active 1 (Unlimited) 14 5mm ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 4.4mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar DUAL NOT SPECIFIED 3V NOT SPECIFIED PCF8523 14 YES 0.65mm R-PDSO-G14 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
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
M48T08Y-10MH1F M48T08Y-10MH1F STMicroelectronics 0.0000
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0.00000000 download 26 Weeks Surface Mount Tape & Reel (TR) Timekeeper® Active 3 (168 Hours) 28 EAR99 5V 18.1mm ROHS3 Compliant Lead Free No 28 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets Parallel 100GHz 8.56mm Surface Mount 0°C~70°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar e3 Tin (Sn) DUAL 260 5V 30 M48T08 28 1.27mm Timer or RTC 5V Leap Year, Watchdog Timer Clock 100 ns 62.5kB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS N NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
ISL12058IRUZ-T ISL12058IRUZ-T Intersil 0.0000
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0.00000000
DS1340U-3+T&R DS1340U-3+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 85°C -40°C 3V ROHS3 Compliant Lead Free No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3.3V 2.7V Surface Mount -40°C~85°C Clock/Calendar DS1340 Leap Year, Trickle-Charger 8-uSOP Clock 2.7V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 125μA @ 3.3V 1.3V~3.7V
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