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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 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) Operating Temperature (Min) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Voltage Number of Outputs Feature Supplier Device Package Logic Function Access Time Memory Size Function 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 Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
PT7C43190WEX PT7C43190WEX Diodes Incorporated 0.0000
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0.00000000 download 9 Weeks Wire Tape & Reel (TR) Last Time Buy 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) 3-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar DUAL 3V 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 3/5V Alarm, Leap Year, Square Wave Output 1.35V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO 1 YY-MM-DD-dd 0.6μA~14μA @ 3V~5V
RX-8025NBAA RX-8025NBAA Epson America, Inc 0.0000
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0.00000000 download Active Yes with exemptions 20 Clock/Calendar/Alarm/Timer/Interrupt HH:MM:SS DW:DM:M:Y
DS1308U-18+ DS1308U-18+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2013 Active 1 (Unlimited) 8 EAR99 1.8V 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 1.8V DS1308 8 0.65mm Timer or RTC Leap Year, NVSRAM, Square Wave Output Clock 56B 1.71V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS N NO I2C 1 YY-MM-DD-dd 100μA @ 200μA @ 1.89V~5.5V 1.3V~5.5V
DS1392U-3 DS1392U-3 Maxim Integrated 0.0000
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0.00000000 download Bulk 2009 no 1 10 EAR99 3mm Non-RoHS Compliant not_compliant 3mm CMOS 1.1mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 240 3V 20 10 INDUSTRIAL YES 0.5mm S-PDSO-G10 2.7V 85°C -40°C Timer or RTC Not Qualified 3V 3.3V TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES SERIAL, 2-WIRE/I2C 1
DS1685SN-5/T&R DS1685SN-5/T&R Rochester Electronics 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 3 (168 Hours) Non-RoHS Compliant 24-SOIC (0.295, 7.50mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Alarm, NVSRAM, Square Wave Output, Y2K 24-SOIC 242B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
DS1556P-70+ DS1556P-70+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tray 2003 yes Active 3 (168 Hours) 34 EAR99 ROHS3 Compliant 34-PowerCap™ Module Parallel not_compliant Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1556 34 YES R-XDMA-U34 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 128KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V 3V
DS1315E-33 DS1315E-33 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2011 yes Obsolete 1 (Unlimited) 20 EAR99 3.3V 6.5mm Non-RoHS Compliant Contains Lead No 20 20-TSSOP (0.173, 4.40mm Width) Parallel 4.4mm Surface Mount 0°C~70°C CMOS 1.1mm 8542.39.00.01 Phantom Time Chip e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1315 20 0.65mm Timer or RTC Leap Year Clock 3V~3.6V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND N YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 1.1mA @ 3.3V 2.5V~3.7V
DS1501YZ+ DS1501YZ+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 28 EAR99 5V 17.9mm ROHS3 Compliant No 28 28-SOIC (0.295, 7.50mm Width) Parallel Unknown 7.5mm Surface Mount 0°C~70°C CMOS 2.65mm 8473.30.11.80 Clock/Calendar DUAL 5V DS1501 28 1.27mm Timers or RTCs 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Clock 256B 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
IDT1339-31DVGI IDT1339-31DVGI Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount 2006 85°C -40°C RoHS Compliant TSSOP 2-Wire, I2C, Serial HH:MM:SS (12/24 hr) YY-MM-DD-dd
DS1743-100 DS1743-100 Maxim Integrated 0.0000
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0.00000000 download Through Hole 2007 no 1 28 EAR99 70°C 0°C 5V 39.37mm RoHS Compliant Contains Lead Tin No 28 DIP Parallel 5.5V Unknown 4.5V 100GHz 10.67mm 18.8mm CMOS 8473.30.11.80 e0 DUAL 240 5V 28 COMMERCIAL 2.54mm Timer or RTC 5V Clock 100 ns 7.8kB HH:MM:SS SECONDS N NO YY-MM-DD-dd
1339-31DCGI 1339-31DCGI Renesas Electronics America 0.0000
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0.00000000 download 12 Weeks Tube Active 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1339 Alarm, Leap Year, Square Wave Output, Trickle-Charger 8-SOIC 3.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 3.63V~5.5V 1.3V~3.7V
ISL12057IUZ-T ISL12057IUZ-T Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tape & Reel (TR) 2008 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 3V 30 ISL12057 8 YES 0.65mm S-PDSO-G8 Not Qualified Alarm, Leap Year 1.8V~3.6V HH:MM:SS (12/24 hr) 0.032MHz I2C YY-MM-DD-dd 0.65μA @ 1.8V
DS12887A+ DS12887A+ Maxim Integrated 0.0000
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0.00000000 download 8 Weeks Tube 2003 yes Active 1 (Unlimited) 24 EAR99 ROHS3 Compliant Lead Free 24 24-DIP Module (0.600, 15.24mm) Parallel not_compliant Through Hole 0°C~70°C CMOS Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS12887 24 NO 2.54mm Timer or RTC Not Qualified 5V 8 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
M41T93ZMY6F M41T93ZMY6F STMicroelectronics 0.0000
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0.00000000 download 25 Weeks ACTIVE (Last Updated: 7 months ago) Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 18 EAR99 11.61mm ROHS3 Compliant Lead Free Tin No 18 18-SOX, 18-SOIC with Crystal (7.5mm Width) SPI 7.62mm Surface Mount -40°C~85°C CMOS 2.69mm 8542.39.00.01 Clock/Calendar e3 DUAL 240 3V 30 M41T93 18 1.27mm Timers or RTCs 2.4/5.5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 8 2.38V~5.5V HH:MM:SS:hh (24 hr) 10MHz 1/100SECOND Y 7 B 1 YY-MM-DD-dd 10μA @ 5.5V 1.8V~5.5V
DS1344D-18+T&R DS1344D-18+T&R Maxim Integrated 0.0000
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0.00000000 download 2 Weeks Surface Mount Digi-Reel® 2002 Discontinued 1 (Unlimited) 85°C -40°C 1.8V ROHS3 Compliant No 14 14-WFDFN Exposed Pad SPI Surface Mount -40°C~85°C Clock/Calendar DS1344 Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger 14-TDFN-EP (3x3) Clock 96B 1.71V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.3V~5.5V
DS1371U+C01 DS1371U+C01 Maxim Integrated 0.0000
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0.00000000 download 2 Weeks Surface Mount Tube 2007 Obsolete 1 (Unlimited) ROHS3 Compliant No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Binary Counter DS1371 Alarm, Square Wave Output, Watchdog Timer Counter 1.7V~5.5V Binary 1.3μA @ 1.7V~5.5V
DS1543-70 DS1543-70 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2000 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 28-DIP Module (0.600, 15.24mm) Parallel Through Hole 0°C~70°C Clock/Calendar DS1543 Alarm, Leap Year, NVSRAM, Watchdog Timer 8KB 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 3mA @ 5V
X1227V8 X1227V8 Intersil 0.0000
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0.00000000
X1228V14 X1228V14 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Bulk 2005 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 5V 14 COMMERCIAL 0.65mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
ISL1220IUZ ISL1220IUZ Renesas Electronics America 0.0000
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0.00000000 download Tube 2004 Obsolete 2 (1 Year) EAR99 ROHS3 Compliant 10-TFSOP, 10-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) - annealed NOT SPECIFIED NOT SPECIFIED ISL1220 10 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
BQ3285ESS BQ3285ESS Texas Instruments 0.0000
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0.00000000 download Surface Mount Tube Obsolete 2 (1 Year) 24 EAR99 5V 8.65mm ROHS3 Compliant Lead Free Gold No 24 24-SSOP (0.154, 3.90mm Width) Parallel No SVHC 3.9mm Surface Mount 129.500622mg 0°C~70°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e4 DUAL 260 5V BQ3285 24 0.635mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 300μA @ 5V 2.5V~4V
Q41856471000112 Q41856471000112 Epson America, Inc 0.0000
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0.00000000 download Tape and Reel Active Yes with exemptions 20 Clock/Calendar/Alarm/Timer HH:MM:SS DW:DM:M:Y
DS1307ZN+T&R DS1307ZN+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2011 Active 1 (Unlimited) 85°C -40°C 5V ROHS3 Compliant Lead Free Tin No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 5.5V Unknown 4.5V Surface Mount 540.001716mg -40°C~85°C Clock/Calendar DS1307 7V Leap Year, NVSRAM, Square Wave Output 8-SOIC Clock 56B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 5V 2V~3.5V
X1228S14-2.7A X1228S14-2.7A Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar 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
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
MCP795B22T-I/SL MCP795B22T-I/SL Microchip Technology 0.0000
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0.00000000 download Tape & Reel (TR) 2011 Obsolete 1 (Unlimited) 14 EAR99 8.65mm ROHS3 Compliant ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ 14-SOIC (0.154, 3.90mm Width) SPI 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN (SN) DUAL 5V MCP795B22 14 YES 1.27mm R-PDSO-G14 Timer or RTC Not Qualified 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer 64B 8 1.8V~5.5V HH:MM:SS:hh (12/24 hr) 10MHz 1/100SECOND Y NO YY-MM-DD-dd 1μA @ 1.8V~5.5V 1.3V~5.5V
ISL12082IB8Z-T ISL12082IB8Z-T Renesas Electronics America 0.0000
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0.00000000 download 3 Weeks Tape & Reel (TR) 2008 Active 1 (Unlimited) EAR99 ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed NOT SPECIFIED NOT SPECIFIED ISL12082 8 Alarm, Leap Year, Watchdog Timer 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
PCF8564ACX9/1,005 PCF8564ACX9/1,005 NXP Semiconductors 0.0000
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0.00000000 download Bulk 2003 Obsolete 1 (Unlimited) ROHS3 Compliant Die I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar PCF8564 Alarm, Leap Year, Square Wave Output, Watchdog Timer 1V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.6μA~0.75μA @ 2V~5V
RX8901CE XB B06 RX8901CE XB B06 EPSON 0.0000
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0.00000000
DS1386-8-120+ DS1386-8-120+ Maxim Integrated 0.0000
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0.00000000 download Tube 2007 yes Obsolete 1 (Unlimited) 32 EAR99 43.053mm ROHS3 Compliant Lead Free 32-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1386 32 NO 2.54mm R-PDIP-P32 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer 8KB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 0.032MHz 1/100SECOND Y NO 1 YY-MM-DD-dd 4mA @ 5V
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