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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 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) Feature Supplier Device Package Logic Function Access Time Screening Level Memory Size Number of Bits Address Bus Width Supply Current-Max Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency RAM (words) Time-Min Interrupt Capability Volatile Information Access Method Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1556P-70IND DS1556P-70IND Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2012 Obsolete 3 (168 Hours) 34 EAR99 5V Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e0 TIN LEAD DUAL 240 5V DS1556 34 Timer or RTC 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 128KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V 3V
BQ4845YP-A4E3 BQ4845YP-A4E3 Texas Instruments 0.0000
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0.00000000 download Through Hole Tube Obsolete 1 (Unlimited) 28 EAR99 5V 37.084mm ROHS3 Compliant Lead Free No 28 28-DIP (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 4.826mm 8542.39.00.01 Clock/Calendar DUAL 5V BQ4845 28 2.54mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Clock 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 2.3V~4V
MAX31331EWC+T MAX31331EWC+T Maxim Integrated 0.0000
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0.00000000
RX6110SA:BB PURE SN RX6110SA:BB PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RX6110SA Active 1 (Unlimited) 14 10.1mm ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C, SPI 5mm Surface Mount -40°C~85°C CMOS 3.3mm Clock/Calendar e3 Tin (Sn) DUAL GULL WING NOT SPECIFIED 3V NOT SPECIFIED YES 1.27mm R-PDSO-G14 Alarm, SRAM 16B 1.6V~5.5V I2C; SERIAL 0.25μA @ 3V
M48T08-150PC1 M48T08-150PC1 STMicroelectronics 0.0000
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0.00000000 download 25 Weeks ACTIVE (Last Updated: 7 months ago) Through Hole Tube Timekeeper® Active 1 (Unlimited) 28 Through Hole EAR99 5V 39.88mm ROHS3 Compliant Lead Free Tin No 28 28-DIP Module (0.600, 15.24mm) Parallel No SVHC 32.768kHz 8.89mm 18.34mm Through Hole 4.190003g 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e3 DUAL 5V M48T08 28 2.54mm Timer or RTC Leap Year, Watchdog Timer Clock 150 ns 8kB 8b 80mA 4.75V~5.5V HH:MM:SS (24 hr) 8184 SECONDS N NO YY-MM-DD-dd 3mA @ 4.7V~5.5V
DS1673E-3 DS1673E-3 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 20 6.5mm Non-RoHS Compliant 3-CHANNEL, 8-BIT ADC 20-TSSOP (0.173, 4.40mm Width) 3-Wire Serial unknown 4.4mm Surface Mount 0°C~70°C MOS 1.1mm Portable System Controller e0 TIN LEAD DUAL 240 3V 20 20 YES 0.65mm R-PDSO-G20 COMMERCIAL Alarm, Leap Year, Watchdog Timer 2.7V~3.3V HH:MM:SS (12/24 hr) 1 0.032MHz SERIAL, 3-WIRE YY-MM-DD-dd 100μA @ 3V 2.5V~3.7V
PCF2123TS/1,112 PCF2123TS/1,112 NXP Semiconductors 0.0000
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0.00000000 download Tube 2010 Active 1 (Unlimited) 14 5mm ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) SPI 4.4mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 1.6V 30 PCF2123 14 YES 0.65mm R-PDSO-G14 Timers or RTCs Not Qualified 1.1/5.5V Alarm, Leap Year, Square Wave Output, Watchdog Timer 1.6V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES SERIAL, 3-WIRE 1 YY-MM-DD-dd 0.33μA~0.38μA @ 2V~5V
ISL12028IVAZ ISL12028IVAZ Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12028 Alarm, Leap Year, Supervisor, Watchdog Timer 14-TSSOP 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
PT7C4337AWEX PT7C4337AWEX Diodes Incorporated 0.0000
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0.00000000 download 21 Weeks Tape & Reel (TR) 2004 Active 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C TA CMOS 1.75mm Clock/Calendar DUAL NOT SPECIFIED 3.3V NOT SPECIFIED YES 1.27mm R-PDSO-G8 Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) I2C 1 YY-MM-DD-dd 0.8μA @ 1.3V~1.8V
DS17485-5 DS17485-5 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 24 31.75mm Non-RoHS Compliant 24-DIP (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 5.08mm Clock/Calendar e0 TIN LEAD DUAL 240 5V 20 24 NO 2.54mm R-PDIP-T24 COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 4KB 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
ISL12027AIV27Z ISL12027AIV27Z Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2010 Active 1 8 EAR99 85°C -40°C 3.3V 4.4mm RoHS Compliant No 8 TSSOP 2-Wire, I2C, Serial 3mm CMOS 1.2mm e3 Matte Tin (Sn) - annealed DUAL 260 3.3V INDUSTRIAL 0.65mm Timer or RTC 3/5V 5.5V Clock HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
DS1556-70IND+ DS1556-70IND+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 10 Weeks Tube 2003 yes Active 1 (Unlimited) 32 EAR99 43.053mm ROHS3 Compliant Lead Free 32 32-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole -40°C~85°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1556 32 NO 2.54mm Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 128KB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 6mA @ 5V
RX-8581JE:B3ROHS RX-8581JE:B3ROHS EPSON 0.0000
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0.00000000 Tape & Reel (TR)
RX-4035SA:AAB PURE SN RX-4035SA:AAB PURE SN EPSON 0.0000
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Min: 1

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0.00000000 download 13 Weeks RX-4035SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) SPI Surface Mount -40°C~85°C Time Event Recorder Alarm 2.4V~5.5V 2.5μA @ 3V 1V~5.5V
DS1744P-70IND+ DS1744P-70IND+ Maxim Integrated 0.0000
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0.00000000 download 14 Weeks Tray 2012 yes Active 3 (168 Hours) 34 EAR99 25.019mm ROHS3 Compliant Lead Free 34 34-PowerCap™ Module Parallel 23.495mm Surface Mount -40°C~85°C CMOS 2.3368mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 245 5V 40 DS1744 34 YES 1.27mm Timer or RTC Not Qualified 5V Leap Year, NVSRAM, Y2K 32KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 5V 3V
M41T82ZM6F M41T82ZM6F STMicroelectronics 0.0000
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0.00000000 download 10 Weeks ACTIVE (Last Updated: 7 months ago) Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 8 EAR99 5mm ROHS3 Compliant No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 1.25mm 4mm Surface Mount -40°C~85°C CMOS Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 3V 30 M41T82 8 1.27mm Timers or RTCs 3/5V Alarm, Leap Year, SRAM, Watchdog Timer Clock 7B 8 2.38V~5.5V HH:MM:SS:hh (24 hr) 0.4MHz 1/100SECOND Y NO I2C 1 YY-MM-DD-dd 10μA @ 5.5V 2V~5.5V
MCP79402T-I/MS MCP79402T-I/MS Microchip Technology 0.0000
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0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2005 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant No 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) - annealed DUAL 260 2.5V 40 MCP79402 8 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Clock TS 16949 64B 1.8V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 1.2μA Typ @ 3.3V 1.3V~5.5V
ISL1209IU10Z-TK ISL1209IU10Z-TK Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 14 Weeks Surface Mount Cut Tape (CT) 2004 Active 2 8 EAR99 85°C -40°C 3mm RoHS Compliant Lead Free No 10 MSOP 2-Wire, I2C, Serial 5.5V 2.7V 3mm CMOS 1.1mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3V 40 10 INDUSTRIAL 0.65mm S-PDSO-G8 Clock 2B HH:MM:SS 0.032MHz I2C 2 B YY-MM-DD-dd
DS17887-3-IND DS17887-3-IND Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2004 Obsolete 1 (Unlimited) 24 EAR99 3V 33.782mm Non-RoHS Compliant Contains Lead No 24 24-DIP Module (0.600, 15.24mm) Parallel Through Hole -40°C~85°C CMOS 9.398mm 8542.39.00.01 Clock/Calendar e0 TIN LEAD DUAL 3V DS17887 24 2.54mm Timer or RTC 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 8KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
DS1747-70IND+ DS1747-70IND+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 9 Weeks Tube 2012 yes Active 1 (Unlimited) 32 EAR99 43.053mm ROHS3 Compliant Lead Free 32-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole -40°C~85°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1747 32 NO 2.54mm R-PDIP-T32 Timer or RTC Not Qualified 5V Leap Year, NVSRAM, Y2K 512KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 5V
DS1744-70IND DS1744-70IND Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Through Hole Tube 2006 Obsolete 1 (Unlimited) 28 EAR99 5V 39.37mm Non-RoHS Compliant Contains Lead No 28 28-DIP Module (0.600, 15.24mm) Parallel Unknown 10.67mm 18.8mm Through Hole -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V DS1744 28 2.54mm Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 32KB 4.5V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 5V
MCP795B12-I/SL MCP795B12-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 MCP795B12 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
DS1306EN+T DS1306EN+T Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 2005 yes 1 20 EAR99 6.5mm Non-RoHS Compliant 4.4mm CMOS 1.1mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL GULL WING 260 5V 30 20 INDUSTRIAL YES 0.65mm R-PDSO-G20 2V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES SERIAL, 3-WIRE
DS1553WP-120+ DS1553WP-120+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 Weeks Tube 2003 yes Obsolete 3 (168 Hours) 34 EAR99 ROHS3 Compliant Lead Free 34 A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 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 3.3V NOT SPECIFIED DS1553 34 YES Timer or RTC Not Qualified 3.3V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 8KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 2mA @ 3.3V 3V
S-35390A-T8T1G S-35390A-T8T1G Seiko 0.0000
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0.00000000
RX-8035SA:AA PURE SN RX-8035SA:AA PURE SN EPSON 0.0000
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Min: 1

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0.00000000 download 13 Weeks RX-8035SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Time Event Recorder Alarm 14-SOP 2.4V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5μA @ 3V 1V~5.5V
RX8900SA:UA0 PURE SN RX8900SA:UA0 PURE SN EPSON 0.0000
RFQ

Min: 1

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0.00000000 download 13 Weeks Tape & Reel (TR) RX8900SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 14-SOIC 2.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1.4μA~1.5μA @ 3V~5V 1.6V~5.5V
ISL12027IB27AZ ISL12027IB27AZ Rochester Electronics 0.0000
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Min: 1

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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 Alarm, Leap Year, Supervisor, Watchdog Timer 8-SOIC 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
DS1315SN-33 DS1315SN-33 Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 3 (168 Hours) Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) Parallel Surface Mount -40°C~85°C Phantom Time Chip Leap Year 16-SOIC 3V~3.6V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 1.1mA @ 3.3V 2.5V~3.7V
MCP795W10T-I/SL MCP795W10T-I/SL Microchip Technology 0.0000
RFQ

Min: 1

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0.00000000 download 2 Weeks Surface Mount Tape & Reel (TR) 1998 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 MCP795W10 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
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