Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Part Status Type Series Mount Mounting Type Operating Temperature Packaging Moisture Sensitivity Level (MSL) Max Operating Temperature Min Operating Temperature Technology Height Seated (Max) RoHS Status Published Datasheet Package / Case Length Height Width Operating Supply Voltage Lead Free Number of Terminations Factory Lead Time Max Supply Voltage Min Supply Voltage Number of Pins Interface Pbfree Code ECCN Code Additional Feature Contact Plating Radiation Hardening Reach Compliance Code HTS Code JESD-609 Code Feature Terminal Finish Surface Mount Voltage - Supply Terminal Position Peak Reflow Temperature (Cel) Supply Voltage Terminal Pitch Base Part Number Pin Count Temperature Grade Time@Peak Reflow Temperature-Max (s) Subcategory Power Supplies Qualification Status JESD-30 Code Supplier Device Package Memory Size Number of Bits Logic Function Number of Timers Clock Frequency Time-Min External Data Bus Width Time Format Interrupt Capability Volatile Information Access Method Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
MCP79521T-I/MN MCP79521T-I/MN Microchip Technology
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0 0x0x0 download Clock/Calendar Surface Mount Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) CMOS ROHS3 Compliant 2012 /files/microchiptechnology-mcp79510ims-datasheets-8276.pdf 10-WFDFN Exposed Pad 3mm 750μm 3mm Lead Free 10 7 Weeks 10 SPI EAR99 No 8542.39.00.01 e3 Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID Matte Tin (Sn) - annealed 1.8V~3.6V DUAL 3V 0.5mm MCP79521 64B Clock 5MHz HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 1μA @ 1.8V~3.6V 1.3V~3.6V
PT7C43390LE PT7C43390LE Diodes Incorporated
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0 0x0x0 download Clock/Calendar Surface Mount Surface Mount -40°C~85°C Tube 1 (Unlimited) CMOS 1.2mm ROHS3 Compliant /files/diodesincorporated-pt7c43390wex-datasheets-0513.pdf 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) 4.4mm 3mm 8 9 Weeks 8 I2C, 2-Wire Serial EAR99 e3 Alarm, Leap Year, Square Wave Output MATTE TIN 1.3V~5.5V DUAL 260 3V 0.65mm NOT SPECIFIED Timer or RTC 3/5V Not Qualified 1 SECONDS HH:MM:SS (12/24 hr) Y NO I2C YY-MM-DD-dd 0.65μA~0.7μA @ 3V~5V
X1226V8 X1226V8 Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount 0°C~70°C Tube 1 (Unlimited) Non-RoHS Compliant /files/renesaselectronicsamericainc-x1226v8z-datasheets-1770.pdf 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Alarm, Leap Year 2.7V~5.5V X1226 HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
ISL12008IB8Z-T ISL12008IB8Z-T Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) ROHS3 Compliant 2008 /files/renesaselectronicsamericainc-isl12008ib8z-datasheets-1803.pdf 8-SOIC (0.154, 3.90mm Width) 6 Weeks I2C, 2-Wire Serial Alarm, Leap Year 2.7V~5.5V ISL12008 8 HH:MM:SS:hh (24 hr) YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
DS1340Z-18 DS1340Z-18 Maxim Integrated
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tube 1 (Unlimited) CMOS 1.75mm Non-RoHS Compliant 2002 /files/maximintegrated-ds1340z33-datasheets-5528.pdf 8-SOIC (0.154, 3.90mm Width) 4.9mm 3.9mm Contains Lead 8 I2C, 2-Wire Serial yes EAR99 8542.39.00.01 e3 Leap Year, Trickle-Charger Matte Tin (Sn) YES 1.71V~5.5V DUAL 260 1.8V 1.27mm DS1340 8 NOT SPECIFIED Timer or RTC 1.8V Not Qualified R-PDSO-G8 0.032MHz SECONDS HH:MM:SS (24 hr) N NO I2C YY-MM-DD-dd 100μA @ 1.89V 1.3V~3.7V
MCP795W20T-I/SL MCP795W20T-I/SL Microchip Technology
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0 0x0x0 download Clock/Calendar Surface Mount Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) CMOS 1.75mm ROHS3 Compliant 2012 /files/microchiptechnology-mcp795w11ist-datasheets-0972.pdf 14-SOIC (0.154, 3.90mm Width) 8.65mm 3.9mm 14 5 Weeks 14 SPI EAR99 ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ No 8542.39.00.01 e3 Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer Matte Tin (Sn) - annealed 1.8V~3.6V DUAL 260 5V 1.27mm MCP795W20 14 40 Timer or RTC 2/5V 64B 8 Clock 10MHz 1/100SECOND HH:MM:SS:hh (12/24 hr) Y NO YY-MM-DD-dd 1μA @ 1.8V~5.5V 1.3V~3.6V
ISL12027IBZ-T ISL12027IBZ-T Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) ROHS3 Compliant 2010 /files/renesaselectronicsamericainc-isl12027ivaz-datasheets-2935.pdf 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V ISL12027 8 HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
RX8900CE:UB0 RX8900CE:UB0 EPSON
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0 0x0x0 download Clock/Calendar RX8900CE Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) 85°C -40°C ROHS3 Compliant /files/epson-rx8900ceua3-datasheets-8779.pdf 10-SMD, No Lead 3V 13 Weeks 10 I2C Alarm 2.5V~5.5V 10-SMD HH:MM:SS (24 hr) YY-MM-DD-dd 1.4μA~1.5μA @ 3V~5V 1.6V~5.5V
DS1644P-120+ DS1644P-120+ Maxim Integrated
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0 0x0x0 download Clock/Calendar Surface Mount 0°C~70°C Tube 3 (168 Hours) CMOS ROHS3 Compliant 2005 /files/maximintegrated-ds1644120-datasheets-5804.pdf 34-PowerCap™ Module Lead Free 34 14 Weeks 34 Parallel yes EAR99 not_compliant 8473.30.11.80 e3 Leap Year, NVSRAM Matte Tin (Sn) YES 4.5V~5.5V DUAL NOT SPECIFIED 5V DS1644 34 NOT SPECIFIED Timer or RTC 5V Not Qualified 32KB 0.032MHz SECONDS 8 HH:MM:SS (24 hr) N NO YY-MM-DD-dd 4mA @ 4.5V~5.5V 3V
PT7C43190WE PT7C43190WE Diodes Incorporated
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C 1 (Unlimited) CMOS 1.75mm ROHS3 Compliant /files/diodesincorporated-pt7c43190awex-datasheets-1627.pdf 8-SOIC (0.154, 3.90mm Width) 4.9mm 3.9mm 8 9 Weeks 3-Wire Serial EAR99 8542.39.00.01 Alarm, Leap Year, Square Wave Output YES 1.35V~5.5V DUAL 3V 1.27mm Timer or RTC 3/5V Not Qualified R-PDSO-G8 1 SECONDS HH:MM:SS (12/24 hr) Y NO SERIAL, 3-WIRE YY-MM-DD-dd 0.6μA~14μA @ 3V~5V
PT7C43390WE PT7C43390WE Diodes Incorporated
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0 0x0x0 download Clock/Calendar Surface Mount Surface Mount -40°C~85°C 1 (Unlimited) CMOS 1.75mm ROHS3 Compliant 2007 /files/diodesincorporated-pt7c43390wex-datasheets-0513.pdf 8-SOIC (0.154, 3.90mm Width) 4.9mm 3.9mm 3V 8 9 Weeks 8 I2C, 2-Wire Serial EAR99 Tin e3 Alarm, Leap Year, Square Wave Output 1.35V~5.5V DUAL 260 3V 1.27mm 40 Timer or RTC 3/5V Not Qualified Clock 1 SECONDS HH:MM:SS (12/24 hr) Y NO I2C YY-MM-DD-dd 0.6μA~0.7μA @ 3V~5V
RX8900SA:UC0 PURE SN RX8900SA:UC0 PURE SN EPSON
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0 0x0x0 download Clock/Calendar RX8900SA Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) ROHS3 Compliant /files/epson-rx8900saub3puresn-datasheets-3907.pdf 14-SOIC (0.197, 5.00mm Width) 13 Weeks I2C Alarm 2.5V~5.5V 14-SOIC HH:MM:SS (24 hr) YY-MM-DD-dd 1.4μA~1.5μA @ 3V~5V 1.6V~5.5V
DS1341T+T&R DS1341T+T&R Maxim Integrated
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0 0x0x0 download Clock/Calendar Surface Mount Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) 85°C -40°C ROHS3 Compliant 2013 /files/maximintegrated-ds1341utr-datasheets-0024.pdf 8-WDFN Exposed Pad 12 Weeks 8 I2C, 2-Wire Serial No Alarm, Leap Year, Square Wave Output 1.8V~5.5V DS1341 8-TDFN (3x3) Clock HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.5μA~0.6μA @ 3V~5V
1338AC-18SRGI8 1338AC-18SRGI8 Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 3 (168 Hours) ROHS3 Compliant /files/renesaselectronicsamericainc-133831dcgi8-datasheets-4170.pdf 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Leap Year, NVSRAM, Square Wave Output 1.8V~5.5V 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd 2μA @ 3.3V 1.3V~3.7V
ISL12029IBZ-T ISL12029IBZ-T Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Cut Tape (CT) 2 (1 Year) ROHS3 Compliant /files/renesaselectronicsamericainc-isl12029iv30az-datasheets-3023.pdf 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V ISL12029 HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
X1226S8IT1 X1226S8IT1 Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) Non-RoHS Compliant /files/renesaselectronicsamericainc-x1226v8z-datasheets-1770.pdf 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Alarm, Leap Year 2.7V~5.5V X1226 HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1228S14IZ X1228S14IZ Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tube 3 (168 Hours) ROHS3 Compliant 2005 /files/renesaselectronicsamericainc-x1228v14i27-datasheets-2007.pdf 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial e3 Alarm, Leap Year, Supervisor, Watchdog Timer MATTE TIN 2.7V~5.5V NOT SPECIFIED X1228 NOT SPECIFIED HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1205V8IT1 X1205V8IT1 Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) Non-RoHS Compliant /files/renesaselectronicsamericainc-x1205s8zt1-datasheets-5921.pdf 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Alarm, Leap Year 2.7V~5.5V X1205 HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1205V8I X1205V8I Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tube 1 (Unlimited) Non-RoHS Compliant /files/renesaselectronicsamericainc-x1205s8zt1-datasheets-5921.pdf 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Alarm, Leap Year 2.7V~5.5V X1205 HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1227S8IZ X1227S8IZ Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tube 1 (Unlimited) ROHS3 Compliant /files/renesaselectronicsamericainc-x1227s8iz27a-datasheets-1870.pdf 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Alarm, Leap Year, Supervisor, Watchdog Timer 4.5V~5.5V X1227 HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1205V8T1 X1205V8T1 Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount 0°C~70°C Tape & Reel (TR) 1 (Unlimited) Non-RoHS Compliant /files/renesaselectronicsamericainc-x1205s8zt1-datasheets-5921.pdf 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Alarm, Leap Year 2.7V~5.5V X1205 HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
ISL12027IBZ ISL12027IBZ Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tube 1 (Unlimited) ROHS3 Compliant 2010 /files/renesaselectronicsamericainc-isl12027ivaz-datasheets-2935.pdf 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V ISL12027 8 HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
X1205S8T1 X1205S8T1 Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount 0°C~70°C Tape & Reel (TR) 1 (Unlimited) Non-RoHS Compliant 2005 /files/renesaselectronicsamericainc-x1205s8zt1-datasheets-5921.pdf 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Alarm, Leap Year 2.7V~5.5V X1205 HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1226S8T2 X1226S8T2 Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount 0°C~70°C Tape & Reel (TR) 1 (Unlimited) Non-RoHS Compliant /files/renesaselectronicsamericainc-x1226v8z-datasheets-1770.pdf 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Alarm, Leap Year 2.7V~5.5V X1226 HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
DS17285E-3+ DS17285E-3+ Maxim Integrated
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0 0x0x0 download Surface Mount Tray 3 (168 Hours) 70°C 0°C CMOS 1.2mm ROHS3 Compliant 2000 /files/maximintegrated-ds174875ind-datasheets-1731.pdf TSOP 11.8mm 8mm 3V Lead Free 28 3.7V 2.7V 28 Parallel yes EAR99 No 8542.39.00.01 e3 Matte Tin (Sn) DUAL 260 3V 0.55mm 28 COMMERCIAL 30 Timer or RTC 3V 2kB Clock 1 0.032MHz SECONDS 8 HH:MM:SS (12/24 hr) Y YES YY-MM-DD-dd
X1226S8T1 X1226S8T1 Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount 0°C~70°C Tape & Reel (TR) 1 (Unlimited) Non-RoHS Compliant /files/renesaselectronicsamericainc-x1226v8z-datasheets-1770.pdf 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Alarm, Leap Year 2.7V~5.5V X1226 HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1205V8IZ X1205V8IZ Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tube 1 (Unlimited) ROHS3 Compliant 2005 /files/renesaselectronicsamericainc-x1205s8zt1-datasheets-5921.pdf 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial e3 Alarm, Leap Year Matte Tin (Sn) 2.7V~5.5V NOT SPECIFIED X1205 NOT SPECIFIED HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1226S8IZ X1226S8IZ Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tube 1 (Unlimited) ROHS3 Compliant /files/renesaselectronicsamericainc-x1226v8z-datasheets-1770.pdf 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial e3 Alarm, Leap Year Matte Tin (Sn) 2.7V~5.5V NOT SPECIFIED X1226 NOT SPECIFIED HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1205S8IT1 X1205S8IT1 Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) Non-RoHS Compliant /files/renesaselectronicsamericainc-x1205s8zt1-datasheets-5921.pdf 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Alarm, Leap Year 2.7V~5.5V X1205 HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
ISL12027IV27Z ISL12027IV27Z Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tube 1 (Unlimited) ROHS3 Compliant 2010 /files/renesaselectronicsamericainc-isl12027ivaz-datasheets-2935.pdf 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V ISL12027 8 HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V

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