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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 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 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) Number of Outputs 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 RAM (words) On Chip Data RAM Width Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1743-85+ DS1743-85+ Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 3 (168 Hours) ROHS3 Compliant 28-DIP Module (0.600, 15.24mm) Parallel Through Hole 0°C~70°C Clock/Calendar Leap Year, NVSRAM, Y2K 28-EDIP 8KB 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 3mA @ 5V
DS1553W-120 DS1553W-120 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2005 Obsolete 1 (Unlimited) 28 EAR99 3.3V 38.862mm Non-RoHS Compliant Contains Lead No 28 28-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 9.398mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V DS1553 28 2.54mm Timer or RTC Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 8KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 2mA @ 3.3V
DS1244W-120IND+ DS1244W-120IND+ Maxim Integrated 0.0000
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0.00000000 download 11 Weeks Tube 2011 yes Active 1 (Unlimited) 28 EAR99 38.862mm ROHS3 Compliant Lead Free 28-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole -40°C~85°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
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
DS1251WP-120IND+ DS1251WP-120IND+ Maxim Integrated 0.0000
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0.00000000 download 8 Weeks Tube 2011 yes Active 3 (168 Hours) 34 3A991.B.2.A 24.384mm ROHS3 Compliant Lead Free USE DS9034PCX TO ORDER POWERCAP 34-PowerCap™ Module Parallel 23.495mm Surface Mount -40°C~85°C CMOS 6.858mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL 245 3.3V 40 DS1251 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM 512KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V 3V
MCP795B10T-I/SL MCP795B10T-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 MCP795B10 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
X1228V14-4.5A X1228V14-4.5A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 1 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 240 5V 30 14 COMMERCIAL 0.65mm R-PDSO-G14 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 YES I2C 1 YY-MM-DD-dd
M48T59Y-70PC1 M48T59Y-70PC1 STMicroelectronics 0.0000
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0.00000000 download Through Hole Tube Timekeeper® Obsolete 1 (Unlimited) 28 EAR99 39.625mm ROHS3 Compliant Lead Free 28-DIP Module (0.600, 15.24mm) Parallel 70GHz 15.24mm Through Hole 0°C~70°C CMOS 9.65mm 8542.39.00.01 Clock/Calendar e0 DUAL 245 5V NOT SPECIFIED M48T59 28 2.54mm R-PDIP-T28 Timer or RTC Not Qualified 5V Alarm, Leap Year, Watchdog Timer Clock 70 ns 62.5kB 50mA 4.5V~5.5V HH:MM:SS (24 hr) 8 8176 8 SECONDS Y NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
IDT1337GNLGI IDT1337GNLGI Integrated Device Technology (IDT) 0.0000
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0.00000000 Surface Mount 85°C -40°C RoHS Compliant 16 QFN 2-Wire, I2C, Serial HH:MM:SS (12/24 hr) YY-MM-DD-dd
ISL12027IBZ ISL12027IBZ Renesas Electronics America 0.0000
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0.00000000 download Tube 2010 Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12027 8 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
M41T82SM6F T&R M41T82SM6F T&R STMicroelectronics 0.0000
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0.00000000 download Tape and Reel Active RoHS Compliant 8 Clock/Calendar/Alarm/Timer/Interrupt HH:MM:SS:hh DW:DM:M:Y
1337AGDCGI 1337AGDCGI 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 Alarm, Leap Year, Square Wave Output 8-SOIC 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.3μA @ 1.3V~1.8V
MAX6916EO50+ MAX6916EO50+ Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2013 yes Obsolete 1 (Unlimited) 20 EAR99 85°C -40°C 5V 8.65mm ROHS3 Compliant Lead Free 20 20-SSOP (0.154, 3.90mm Width) SPI, 3-Wire Serial 3.9mm Surface Mount CMOS 1.73mm 8473.30.11.80 Clock/Calendar/Supervisor e3 Matte Tin (Sn) DUAL 260 5V 30 MAX6916 20 INDUSTRIAL 0.635mm Timer or RTC Not Qualified 5V Clock 96B 8 4.5V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
BQ3285LDSSTR BQ3285LDSSTR Rochester Electronics 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 2 (1 Year) ROHS3 Compliant 24-SSOP (0.154, 3.90mm Width) Parallel Surface Mount 0°C~70°C Clock/Calendar Alarm, Daylight Savings, NVSRAM 24-SSOP/QSOP 242B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 100μA @ 3V 2.4V~4V
X1226V8IT2 X1226V8IT2 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°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
ISL12027IB30AZ-T ISL12027IB30AZ-T Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) 2010 Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12027 8 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
RX6110SA:B3 PURE SN RX6110SA:B3 PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX6110SA Active 1 (Unlimited) 14 10.1mm ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C, 2-Wire Serial 5mm Surface Mount -40°C~85°C CMOS 3.3mm Clock/Calendar e3 Tin (Sn) DUAL NOT SPECIFIED 3V NOT SPECIFIED YES 1.27mm R-PDSO-G14 Alarm, Leap Year, RAM 16B 1.6V~5.5V HH:MM:SS (24 hr) I2C; SERIAL YY-MM-DD-dd 0.25μA~0.27μA @ 3V~5V 1.1V~5.5V
DS1337U+ DS1337U+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2006 yes Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Contains Lead 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1337 8 YES 0.65mm Timer or RTC Not Qualified 1.5/5V 2 Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y YES I2C 1 YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
ISL12027IBAZ ISL12027IBAZ Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12027 8 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
ISL12029IB27AZ-T ISL12029IB27AZ-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 Active 2 (1 Year) 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
ISL12029IBAZ ISL12029IBAZ Renesas Electronics America 0.0000
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0.00000000 download Tube 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 ISL12029 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
BQ3285ESSG4 BQ3285ESSG4 Texas Instruments 0.0000
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0.00000000 download Surface Mount yes 2 24 EAR99 70°C 0°C 5V 8.65mm RoHS Compliant Contains Lead No 24 SSOP Parallel 5.5V 4.5V 3.9mm 129.500622mg CMOS 1.75mm 8542.39.00.01 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 5V 24 COMMERCIAL 0.635mm Timer or RTC 5V Clock 242B HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd
DS1343E-3+T&R DS1343E-3+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Digi-Reel® 2002 Active 1 (Unlimited) 85°C -40°C 3V ROHS3 Compliant No 20 20-TSSOP (0.173, 4.40mm Width) SPI 5.5V 2.7V Surface Mount -40°C~85°C Clock/Calendar DS1343 Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger 20-TSSOP Clock 96B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.3V~5.5V
RX-8571LC:B0PURESN RX-8571LC:B0PURESN EPSON 0.0000
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0.00000000
PCF8593TD PCF8593TD NXP Semiconductors / Freescale 0.0000
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0.00000000 8 EAR99 85°C -40°C 4.9mm RoHS Compliant Lead Free 8 SOT-96 6V 1V 3.9mm CMOS 1.75mm DUAL 3V 8 INDUSTRIAL YES 1.27mm Not Qualified 8B HH:MM:SS:hh TIMER, REAL TIME CLOCK 0.032MHz I2C
DS17285E-3 DS17285E-3 Maxim Integrated 0.0000
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0.00000000 download Tray 2012 Obsolete 3 (168 Hours) 28 EAR99 11.8mm Non-RoHS Compliant Contains Lead 28-TSSOP (0.465, 11.80mm Width) Parallel not_compliant 8mm Surface Mount 0°C~70°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 3V 20 DS17285 28 YES 0.55mm R-PDSO-G28 Timer or RTC Not Qualified 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
DS1343D-33+T&R DS1343D-33+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Digi-Reel® 2002 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant No 14 14-WFDFN Exposed Pad SPI 5.5V Unknown 3V Surface Mount -40°C~85°C Clock/Calendar DS1343 Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger 14-TDFN-EP (3x3) Clock 96B 3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 120μA~160μA @ 3.63V~5.5V 1.3V~5.5V
DS1672S-33/T&R DS1672S-33/T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2002 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Binary Counter DS1672 Trickle-Charger 8-SOIC 2.97V~3.63V Binary Binary 500μA @ 3.63V 1.3V~3.63V
DS12885SN+T&R DS12885SN+T&R Maxim Integrated 0.0000
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0.00000000 download 9 Weeks Surface Mount Tape & Reel (TR) 2010 Active 2 (1 Year) 85°C -40°C 5V ROHS3 Compliant No 24 24-SOIC (0.295, 7.50mm Width) Parallel 5.5V 4.5V Surface Mount -40°C~85°C Clock/Calendar DS12885 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 24-SOIC Clock 114B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
DS12885QN+ DS12885QN+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2007 yes Active 1 (Unlimited) 28 EAR99 5V 11.58mm ROHS3 Compliant Lead Free No 28 DAYLIGHT SAVINGS OPTION; SELECTABLE MOTOROLA/INTEL TIMING 28-LCC (J-Lead) Parallel No SVHC 32.8kHz 3.96mm 11.58mm Surface Mount -40°C~85°C CMOS Clock/Calendar e3 Matte Tin (Sn) QUAD 260 5V DS12885 28 1.27mm Timer or RTC 5V 8 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 114B 4.5V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO 1 YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
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