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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 Reach Compliance Code Width Thickness Mounting Type Weight Operating Temperature Technology Height Seated (Max) HTS Code Type JESD-609 Code Terminal Finish Terminal Position 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Supplier Device Package Logic Function Memory Size Function Number of Bits Supply Current-Max 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
DS1744W-120IND+ DS1744W-120IND+ Maxim Integrated 0.0000
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0.00000000 download 9 Weeks Tube 2012 yes Active 1 (Unlimited) 28 EAR99 38.227mm ROHS3 Compliant Lead Free 28 28-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole -40°C~85°C CMOS 10.668mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1744 28 NO 2.54mm Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM, Y2K 32KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V
1337AGDCGI 1337AGDCGI Integrated Device Technology (IDT) 0.0000
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0.00000000 download 7 Weeks Surface Mount 2006 yes Active 1 8 EAR99 85°C -40°C 4.9mm RoHS Compliant Lead Free 8 SOIC 2-Wire, I2C, Serial 3.9mm 1.5mm CMOS 1.75mm e3 Matte Tin (Sn) DUAL 260 3.3V 30 8 INDUSTRIAL 1.27mm Timer or RTC Not Qualified 2/5V 5.5V HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
X1227S8IZ X1227S8IZ Intersil 0.0000
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0.00000000
R2221T-E2-F R2221T-E2-F Ricoh Electronic Devices Company 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant Lead Free 10-VFSOP, 10-MSOP (0.110, 2.80mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, RAM 10-TSSOPG Clock 1.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.9μA @ 3V
R2051S01-E2-F R2051S01-E2-F Ricoh Electronic Devices Company 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant Lead Free 16-LSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 16-SSOP Clock 2.34V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1μA @ 3V
ISL1209IU10Z-TK ISL1209IU10Z-TK Renesas Electronics America 0.0000
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0.00000000 download 7 Weeks Cut Tape (CT) 2004 Active 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 Time Event Recorder e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED ISL1209 10 Alarm, Leap Year, SRAM 2B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
PCF8573P,112 PCF8573P,112 NXP Semiconductors 0.0000
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0.00000000 download Bulk Obsolete Supplier Unconfirmed 16 Clock/Calendar/Alarm HH:MM:SS YY:MM:DD
PCF8573T,512 PCF8573T,512 NXP Semiconductors 0.0000
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0.00000000 download Tube Obsolete RoHS Compliant 16 Clock/Calendar/Alarm HH:MM:SS YY:MM:DD
PCF2123BS PCF2123BS NXP Semiconductors 0.0000
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0.00000000 download Active Supplier Unconfirmed 16 Clock/Calendar/Alarm/Timer/Interrupt HH:MM:SS DW:DM:M:Y
X1288V14I X1288V14I Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Bulk 2005 1 14 EAR99 85°C -40°C 5mm Non-RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial not_compliant 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 30 14 INDUSTRIAL 0.65mm R-PDSO-G14 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
X1288S16I-4.5AT1 X1288S16I-4.5AT1 Intersil 0.0000
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0.00000000
X1226V8IT2 X1226V8IT2 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2005 3 (168 Hours) 8 EAR99 85°C -40°C 4.4mm Non-RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial not_compliant 3mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 30 8 INDUSTRIAL 0.65mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
CBC34123-M5C-TR5 CBC34123-M5C-TR5 Cymbet 0.0000
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0.00000000 Surface Mount Tape & Reel (TR) 70°C -20°C RoHS Compliant Lead Free 16 QFN SPI unknown HH:MM:SS (12/24 hr) YY-MM-DD-dd
X1227S8-2.7 X1227S8-2.7 Intersil 0.0000
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0.00000000
X1228V14 X1228V14 Intersil 0.0000
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0.00000000
X1228S14-2.7T1 X1228S14-2.7T1 Intersil 0.0000
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0.00000000
MCP795B10-I/SL MCP795B10-I/SL Microchip Technology 0.0000
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0.00000000 download Surface Mount Tube 2011 Obsolete 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) DUAL 5V MCP795B10 14 1.27mm Timer or RTC 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer Clock 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
CDP68HC68T1MZ CDP68HC68T1MZ Intersil 0.0000
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0.00000000
MCP795B20-I/SL MCP795B20-I/SL Microchip Technology 0.0000
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0.00000000 download Tube 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 MCP795B20 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
1337GDVGI8 1337GDVGI8 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Active 3 (168 Hours) ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1337 Alarm, Leap Year, Square Wave Output 8-MSOP 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
Q41802551000100 Q41802551000100 Epson America, Inc 0.0000
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0.00000000 download Tape and Reel Active Yes with exemptions 14 Clock/Calendar/Alarm/Timer/Interrupt HH:MM:SS DW:DM:M:Y
M48T35Y-70PC1XXXXXXX M48T35Y-70PC1XXXXXXX STMicroelectronics 0.0000
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0.00000000 download Tube Active RoHS Compliant 28 Clock/Calendar/NV Timekeeping RAM/Watchdog Timer/Battery Backup HH:MM:SS DW:DM:M:Y
X1288V14 X1288V14 Intersil 0.0000
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0.00000000
BQ4802YDWRG4 BQ4802YDWRG4 Texas Instruments 0.0000
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0.00000000 Surface Mount Tape & Reel (TR) Not For New Designs 1 (Unlimited) 28 EAR99 5V 17.9mm ROHS3 Compliant Lead Free Gold No 28 28-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount 730.794007mg 0°C~70°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar e4 DUAL 260 5V BQ4802 28 1.27mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Clock 9mA 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.4V~4V
ISL12058IUZ ISL12058IUZ Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tube 2009 Active 1 (Unlimited) EAR99 ROHS3 Compliant 8-TSSOP, 8-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) NOT SPECIFIED NOT SPECIFIED ISL12058 8 Alarm, Leap Year 1.8V~3.6V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.65μA @ 1.8V
X1286V14T1 X1286V14T1 Intersil 0.0000
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0.00000000
X1288V14T1 X1288V14T1 Intersil 0.0000
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0.00000000
PCF85063AT/AAZ PCF85063AT/AAZ NXP Semiconductors 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2010 Active 2 (1 Year) 8 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 Clock/Calendar DUAL 260 3.3V NOT SPECIFIED 8 YES 1.27mm R-PDSO-G8 Alarm, Leap Year, Square Wave Output 0.9V~5.5V HH:MM:SS (12/24 hr) I2C 1 YY-MM-DD-dd 0.6μA @ 3.3V
RV-3129-C3-32.768KHZ-OPTION-A-TB-QA RV-3129-C3-32.768KHZ-OPTION-A-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, EEPROM, NVRAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
DS1693+ DS1693+ Maxim Integrated 0.0000
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0.00000000 download Tube 2005 yes Obsolete 1 (Unlimited) 28 EAR99 38.862mm ROHS3 Compliant Lead Free CAN ALSO OPERATE WITH 5V SUPPLY 28-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 9.398mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN DUAL NOT SPECIFIED 3V NOT SPECIFIED DS1693 28 NO 2.54mm R-PDIP-T28 Not Qualified NVSRAM 114B 16 2.7V~3.3V 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 2mA @ 3V 3mA @ 5V 2.5V~3.7V
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