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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 Termination 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) Number of Outputs Feature Supplier Device Package Logic Function Accuracy Memory Size Memory Type 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 Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
MCP79521T-I/MS MCP79521T-I/MS Microchip Technology 0.0000
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0.00000000 download 5 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 10 EAR99 3mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 3V 40 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
DS1501YS+ DS1501YS+ Maxim Integrated 0.0000
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0.00000000 download Tube 2013 yes Obsolete 1 (Unlimited) 28 EAR99 18.1mm ROHS3 Compliant Lead Free 28-SOIC (0.295, 7.50mm Width) Parallel 8.565mm Surface Mount 0°C~70°C CMOS 3.05mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1501 28 YES 1.27mm R-PDSO-G28 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 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
X1288S16-4.5A X1288S16-4.5A Intersil 0.0000
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0.00000000
DS1647-120 DS1647-120 Maxim Integrated 0.0000
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0.00000000 download Tube 2005 Obsolete 1 (Unlimited) 32 EAR99 43.053mm Non-RoHS Compliant Contains Lead, Lead Free 32 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 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED DS1647 32 NO 2.54mm Not Qualified Leap Year, NVSRAM 512KB 4.5V~5.5V HH:MM:SS (24 hr) 8 YY-MM-DD-dd 4mA @ 4.5 V~5.5 V
DS1500YEN DS1500YEN Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tray 2005 Obsolete 3 (168 Hours) 32 EAR99 5V 18.4mm Non-RoHS Compliant Contains Lead No 32 32-LFSOP (0.724, 18.40mm Width) Parallel 8mm Surface Mount -40°C~85°C CMOS 1.24mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1500 32 0.5mm Timer or RTC 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Clock 256B 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS Y NO 1 YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
DS1315-5 DS1315-5 Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Through Hole Tube 2009 no Obsolete 1 (Unlimited) 16 EAR99 5V Non-RoHS Compliant Contains Lead Tin No 16 16-DIP (0.300, 7.62mm) Parallel No SVHC 32.8kHz 7.62mm Through Hole 1.627801g 0°C~70°C CMOS 4.572mm Phantom Time Chip e0 DUAL 240 5V 20 DS1315 16 2.54mm Timer or RTC 5V 1 Leap Year Clock 4.5V~5.5V HH:MM:SS:hh (12/24 hr) N YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 1.3mA @ 5V 2.5V~3.7V
DS1393U+3 DS1393U+3 Maxim Integrated 0.0000
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0.00000000 Bulk yes 1 10 EAR99 3mm RoHS Compliant compliant 3mm CMOS 1.1mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V 30 10 INDUSTRIAL YES 0.5mm S-PDSO-G10 2.97V 85°C -40°C Timers or RTCs Not Qualified 3.3V 5.5V TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y NO SERIAL, 2-WIRE/I2C 1
DS1673E-3/T&R DS1673E-3/T&R Rochester Electronics 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 20-TSSOP (0.173, 4.40mm Width) 3-Wire Serial Surface Mount 0°C~70°C Portable System Controller Alarm, Leap Year, Watchdog Timer 20-TSSOP 2.7V~3.3V HH:MM:SS (12/24 hr) YY-MM-DD-dd 100μA @ 3V 2.5V~3.7V
RX-4571SA:B0 PURE SN RX-4571SA:B0 PURE SN EPSON 0.0000
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0.00000000
DS1673E-3+T&R DS1673E-3+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tape & Reel (TR) 2009 Active 1 (Unlimited) ROHS3 Compliant Lead Free 20-TSSOP (0.173, 4.40mm Width) 3-Wire Serial Surface Mount 0°C~70°C Portable System Controller DS1673 Alarm, Leap Year, Watchdog Timer 20-TSSOP 2.7V~3.3V HH:MM:SS (12/24 hr) YY-MM-DD-dd 100μA @ 3V 2.5V~3.7V
DS1393U-18+T&R DS1393U-18+T&R Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Surface Mount Tape & Reel (TR) 2002 Obsolete 1 (Unlimited) 85°C -40°C 1.8V ROHS3 Compliant No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) 3-Wire Serial 1.89V 1.71V Surface Mount -40°C~85°C Clock/Calendar DS1393 Alarm, Leap Year, Square Wave Output, Trickle-Charger 10-uMAX Clock 1.71V~1.89V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 100μA @ 1.71V~1.89V 1.3V~3.7V
DS1344D-3+ DS1344D-3+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 14 EAR99 3V 3mm ROHS3 Compliant Tin No 14 14-WFDFN Exposed Pad SPI 3mm Surface Mount -40°C~85°C CMOS 0.8mm 8542.39.00.01 Clock/Calendar e3 TIN DUAL 260 3V 30 DS1344 14 0.4mm Timers or RTCs 3V Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger Clock 96B 2.7V~5.5V HH:MM:SS (12/24 hr) 4MHz SECONDS Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 1.3V~5.5V
RX4901CE XS C06 RX4901CE XS C06 EPSON 0.0000
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0.00000000
M41T83SMY6F M41T83SMY6F 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) I2C, 2-Wire Serial 7.62mm Surface Mount -40°C~85°C CMOS 2.69mm 8542.39.00.01 Clock/Calendar e3 DUAL 240 5V 30 M41T83 18 1.27mm Timers or RTCs 3.3/5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 8 3V~5.5V HH:MM:SS:hh (24 hr) 0.4MHz 1/100SECOND Y I2C 7 B 1 YY-MM-DD-dd 10μA @ 5.5V 2V~5.5V
DS1744P-70IND DS1744P-70IND Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2006 Obsolete 3 (168 Hours) 34 EAR99 5V Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel Unknown Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e0 TIN LEAD DUAL 240 5V DS1744 34 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
RX8901CE XB B06 RX8901CE XB B06 EPSON 0.0000
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0.00000000
ISL12022IBZ-T ISL12022IBZ-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 19 Weeks Surface Mount Tape & Reel (TR) 2004 Active 1 8 EAR99 85°C -40°C 4.9mm RoHS Compliant Lead Free Tin No SOIC 2-Wire, I2C, Serial 5.5V 2.7V 3.9mm CMOS 1.75mm 8542.39.00.01 e3 DUAL 260 3V 30 8 INDUSTRIAL 1.27mm R-PDSO-G8 Timer or RTC 3/5V Clock 0.0005 % 128B HH:MM:SS 0.032MHz SECONDS Y I2C 128 B YY-MM-DD-dd
PCF2127T/2,518 PCF2127T/2,518 NXP Semiconductors 0.0000
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Min: 1

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0.00000000 download Active RoHS Compliant 16 Clock/Calendar HH:MM:SS DW:DM:M:Y
PT7C43390AWEX PT7C43390AWEX Diodes Incorporated 0.0000
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Min: 1

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0.00000000 download 14 Weeks Tape & Reel (TR) 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 1.35V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA~0.7μA @ 3V~5V
BQ3285ESTR BQ3285ESTR Texas Instruments 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 1 (Unlimited) 24 EAR99 5V 15.4mm ROHS3 Compliant Lead Free Gold No 24 24-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount 624.398247mg 0°C~70°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar e4 DUAL 260 5V BQ3285 24 1.27mm 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 NO 1 YY-MM-DD-dd 300μA @ 5V 2.5V~4V
DS32B35-33# DS32B35-33# Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Surface Mount Tube 2008 yes Obsolete 1 (Unlimited) 20 SMD/SMT EAR99 12.8mm ROHS3 Compliant 20 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial not_compliant 32.768kHz 7.5mm Surface Mount 0°C~70°C CMOS 2.65mm Clock/Calendar e3 TIN DUAL 260 3.3V NOT SPECIFIED DS32B35 20 1.27mm Timer or RTC Not Qualified 3 Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal Clock 2KB FRAM 8 2.7V~3.63V HH:MM:SS (12/24 hr) 1 MINUTES Y NO I2C 1 YY-MM-DD-dd 110μA @ 3.63V 2.3V~3.6V
ISL1208IU8-TK ISL1208IU8-TK Intersil 0.0000
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0.00000000
RX4111CE B6 RX4111CE B6 EPSON 0.0000
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Min: 1

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0.00000000
IDT1339C-31SRI8 IDT1339C-31SRI8 Integrated Device Technology (IDT) 0.0000
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Min: 1

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0.00000000 Surface Mount Tape & Reel (TR) 85°C -40°C Non-RoHS Compliant 16 SOIC 2-Wire, I2C, Serial HH:MM:SS (12/24 hr) YY-MM-DD-dd
BQ4802YDWG4 BQ4802YDWG4 Texas Instruments 0.0000
RFQ

Min: 1

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0.00000000 Surface Mount 1 28 EAR99 70°C 0°C 5V 18mm RoHS Compliant Lead Free Gold No 28 SOIC Parallel 5.5V 4.5V 2.35mm 7.52mm 730.794007mg CMOS 8542.39.00.01 e4 DUAL 260 5V 28 COMMERCIAL 1.27mm Timer or RTC 5V Clock 9mA HH:MM:SS 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd
X1228S14Z-2.7 X1228S14Z-2.7 Renesas Electronics America 0.0000
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Min: 1

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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
DS1486P-120+ DS1486P-120+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tube 2005 yes Obsolete 3 (168 Hours) 34 EAR99 ROHS3 Compliant Lead Free 34-PowerCap™ Module Parallel not_compliant Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1486 34 YES R-XDMA-U34 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer 128KB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 0.032MHz 1/100SECOND Y NO YY-MM-DD-dd 4mA @ 5V 3.3V
DS1315E-33+ DS1315E-33+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks Tube 2011 yes Active 1 (Unlimited) 20 EAR99 6.5mm ROHS3 Compliant Lead Free 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 YES 0.65mm R-PDSO-G20 Timer or RTC Not Qualified 3.3V Leap Year 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
DS1673S-3+ DS1673S-3+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 6 Weeks Tube 2009 yes Active 1 (Unlimited) 20 EAR99 12.8mm ROHS3 Compliant Lead Free 3-CHANNEL, 8-BIT ADC 20-SOIC (0.295, 7.50mm Width) 3-Wire Serial 7.5mm Surface Mount 0°C~70°C MOS 2.65mm 8542.31.00.01 Portable System Controller e3 Matte Tin (Sn) DUAL 260 3V NOT SPECIFIED DS1673 20 YES 1.27mm R-PDSO-G20 Timer or RTC Not Qualified 3V Alarm, Leap Year, Watchdog Timer 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
X1227S8Z-2.7 X1227S8Z-2.7 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 0°C~70°C Clock/Calendar X1227 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
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