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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 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 Reach Compliance Code 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) Consumer IC Type Application Feature Supplier Device Package Logic Function Access Time Memory Size Function Number of Bits Supply Current-Max Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency Display Mode Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery Battery End of Life Indication Frequency Trimming Alarm
KR3225Y32768EAW30TAA KR3225Y32768EAW30TAA Kyocera International Inc. Electronic Components 0.0000
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0.00000000 download 16 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant 8-SMD I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm SMD 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 2μA @ 3V
MCP79521T-I/MN MCP79521T-I/MN Microchip Technology 0.0000
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0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 10 EAR99 3mm ROHS3 Compliant Lead Free No 10 10-WFDFN Exposed Pad SPI 750μm 3mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 3V MCP79521 0.5mm Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID Clock 64B 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 5MHz YY-MM-DD-dd 1μA @ 1.8V~3.6V 1.3V~3.6V
ISL12026AIVZ-T ISL12026AIVZ-T Renesas Electronics America Inc. 4.1823
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0.00000000 download 7 Weeks Tape & Reel (TR) 2010 Active 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 CMOS 1.2mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3.3V NOT SPECIFIED ISL12026A 8 YES 0.65mm R-PDSO-G8 Alarm, Leap Year 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
IDT1337GDVGI IDT1337GDVGI Integrated Device Technology (IDT) 0.0000
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0.00000000 Surface Mount 85°C -40°C RoHS Compliant 8 MSOP 2-Wire, I2C, Serial HH:MM:SS (12/24 hr) YY-MM-DD-dd
DS2415P+ DS2415P+ Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2001 Obsolete 1 (Unlimited) 6 EAR99 3.94mm ROHS3 Compliant Lead Free No 6 6-LSOJ (0.148, 3.76mm Width) 1-Wire® Serial Surface Mount -40°C~85°C CMOS 1.5mm 8542.39.00.01 Binary Counter e3 Matte Tin (Sn) DUAL 260 3V 30 DS2415 6 1.27mm Unique ID Clock 2.5V~5.5V Binary 0.032MHz SERIAL, 1-WIRE 0.25μA~0.45μA @ 3V~5V 2.5V~5.5V
NTE2062 NTE2062 NTE Electronics 0.0000
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0.00000000 28 Non-RoHS Compliant 28 PMOS 1 DUAL THROUGH-HOLE 28 OTHER NO 1.78mm 70°C -30°C Clock ICs Not Qualified -12V LED CLOCK ALARM CLOCKS; CLOCK-RADIOS 7mA DIGITAL NO NO YES
RX8900CE:UA3 RX8900CE:UA3 EPSON 0.0000
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0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) RX8900CE Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant Lead Free 10 10-SMD, No Lead I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 10-SMD 2.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1.4μA~1.5μA @ 3V~5V 1.6V~5.5V
PCF8563TD PCF8563TD NXP Semiconductors / Freescale 0.0000
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0.00000000 8 EAR99 RoHS Compliant Lead Free 8 SOIC 32.8kHz CMOS DUAL GULL WING NOT SPECIFIED 2V NOT SPECIFIED 8 INDUSTRIAL YES 0.635mm -40°C Timer or RTC Not Qualified 2/5V 5.5V TIMER, REAL TIME CLOCK SECONDS Y YES I2C
DS1602S DS1602S Maxim Integrated 0.0000
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0.00000000 download Tube 2002 Obsolete 1 (Unlimited) 8 EAR99 5.31mm Non-RoHS Compliant Contains Lead TWO 32-BIT COUNTERS TO TRACK REAL & ELAPSED TIME; ONE BYTE PROTOCOL; TIMEKEEPING CURRENT = 400NA 8-SOIC (0.209, 5.30mm Width) 3-Wire Serial not_compliant 5.285mm Surface Mount -40°C~85°C CMOS 2.13mm 8542.39.00.01 Elapsed Time Counter e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1602 8 YES 1.27mm R-PDSO-G8 Not Qualified 4.5V~5.5V Binary 2MHz SERIAL, 3-WIRE 50μA @ 5V 2.5V~3.5V
DS1673E-3 DS1673E-3 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2009 no Obsolete 1 (Unlimited) 20 EAR99 3V 6.5mm Non-RoHS Compliant Contains Lead No 20 3-CHANNEL, 8-BIT ADC 20-TSSOP (0.173, 4.40mm Width) 3-Wire Serial 4.4mm Surface Mount 0°C~70°C MOS 1.1mm 8542.31.00.01 Portable System Controller e0 Tin/Lead (Sn/Pb) DUAL 240 3V 20 DS1673 20 0.65mm Timer or RTC 3V Alarm, Leap Year, Watchdog Timer Clock 2.7V~3.3V HH:MM:SS (12/24 hr) 1 0.032MHz SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 100μA @ 3V 2.5V~3.7V
X1288S16IT1 X1288S16IT1 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2005 1 (Unlimited) 16 EAR99 85°C -40°C 10.3mm Non-RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial not_compliant 7.5mm CMOS 2.65mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED 16 INDUSTRIAL 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
DS1251W-120IND DS1251W-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 3.3V DS1251 32 2.54mm Timer or RTC Leap Year, NVSRAM Clock 120 ns 512KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V
X1228S14-2.7 X1228S14-2.7 Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount 1 14 EAR99 70°C 0°C 8.6614mm Non-RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial not_compliant 3.9116mm CMOS 1.7272mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED 14 COMMERCIAL 1.27mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 3/5V 5.5V 3.9kB HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
DS1743-70+ DS1743-70+ Maxim Integrated 0.0000
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0.00000000 download Tube 2012 yes Obsolete 1 (Unlimited) 28 EAR99 38.225mm ROHS3 Compliant Lead Free 28-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 10.67mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1743 28 NO 2.54mm R-XDMA-P28 Timer or RTC Not Qualified 5V Leap Year, NVSRAM, Y2K 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V
X1228S14Z-4.5A X1228S14Z-4.5A Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 3 (168 Hours) ROHS3 Compliant 14-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 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
X1228S14IZ-2.7 X1228S14IZ-2.7 Intersil 0.0000
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0.00000000
MCP795W20T-I/SL MCP795W20T-I/SL Microchip Technology 0.0000
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0.00000000 download 5 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 14 EAR99 8.65mm ROHS3 Compliant No 14 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) - annealed DUAL 260 5V 40 MCP795W20 14 1.27mm Timer or RTC 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 64B 8 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 10MHz 1/100SECOND Y NO YY-MM-DD-dd 1μA @ 1.8V~5.5V 1.3V~3.6V
ISL12022MIBZ-T ISL12022MIBZ-T Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tape & Reel (TR) 2011 Active 1 (Unlimited) 20 EAR99 12.8mm ROHS3 Compliant ALSO OPERATES WITH 5 V NOMINAL 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3V NOT SPECIFIED ISL12022 20 YES 1.27mm R-PDSO-G20 Alarm, Daylight Savings, Leap Year, SRAM 128B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C; SERIAL YY-MM-DD-dd 14μA~15μA @ 3V~5V 1.8V~5.5V
X1228S14Z-4.5A X1228S14Z-4.5A Intersil 0.0000
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0.00000000
X1226S8T1 X1226S8T1 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 0°C~70°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
DS1744P-70+ DS1744P-70+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Surface Mount Tray 2012 yes Active 3 (168 Hours) 34 EAR99 5V 25.019mm ROHS3 Compliant Lead Free No 34 34-PowerCap™ Module Parallel 23.495mm Surface Mount 0°C~70°C CMOS 2.3368mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V DS1744 34 1.27mm Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 32KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 5V 3V
DS12885+ DS12885+ Maxim Integrated 0.0000
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0.00000000 download 8 Weeks Tube 2003 yes Active 1 (Unlimited) 24 EAR99 31.75mm ROHS3 Compliant Lead Free 24 DAYLIGHT SAVINGS OPTION; SELECTABLE MOTOROLA/INTEL TIMING 24-DIP (0.600, 15.24mm) Parallel Through Hole 0°C~70°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS12885 24 NO 2.54mm Timer or RTC Not Qualified 5V 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 YES 1 YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
1338C-31SRI 1338C-31SRI Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 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 IDT1338 Leap Year, NVSRAM, Square Wave Output 16-SOIC 56B 3.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA @ 3.63V~5.5V 1.3V~3.7V
PT7C4307WE-2017 PT7C4307WE-2017 Diodes Incorporated 0.0000
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0.00000000 download Obsolete RoHS Compliant 8 Clock/Calendar/Alarm/Interrupt/Square-Wave Output HH:MM:SS DW:DM:M:Y
X1227V8Z X1227V8Z Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1227 Alarm, Leap Year, Supervisor, Watchdog Timer 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
PT7C43190LEX PT7C43190LEX Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
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0.00000000 Wire 8 EAR99 4.4mm RoHS Compliant 3mm CMOS 1.2mm 8542.39.00.01 DUAL GULL WING 3V INDUSTRIAL 0.65mm R-PDSO-G8 1.3V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V TIMER, REAL TIME CLOCK SECONDS Y NO 1
X1226V8Z X1226V8Z Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar e3 Matte Tin (Sn) 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
PT7C4337WEX PT7C4337WEX Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
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0.00000000 Tape & Reel (TR) 8 EAR99 4.9mm RoHS Compliant compliant 3.9mm CMOS 1.75mm 8542.39.00.01 DUAL GULL WING 3.3V 8 INDUSTRIAL YES 1.27mm R-PDSO-G8 1.8V 85°C -40°C Timer or RTC Not Qualified 2/5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1
BQ4802YPW BQ4802YPW Texas Instruments 0.0000
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0.00000000 6 Weeks ACTIVE (Last Updated: 1 week ago) Surface Mount Tube yes Active 1 (Unlimited) 28 EAR99 5V 9.7mm ROHS3 Compliant Lead Free Gold No 28 28-TSSOP (0.173, 4.40mm Width) Parallel 1.2mm 4.4mm 1mm Surface Mount 117.508773mg 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e4 DUAL 260 5V BQ4802 28 0.65mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Clock 9mA 4.5V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.4V~4V
ISL12028IBZ-T ISL12028IBZ-T Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) 2005 Obsolete 2 (1 Year) ROHS3 Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12028 14 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
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