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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 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 Operating Supply Current Height Seated (Max) Manufacturer Package Identifier 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 (Min) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Voltage Number of Outputs Feature Supplier Device Package Logic Function Access Time Memory Size Memory Type Number of Bits 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
DS1689SN+T&R DS1689SN+T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2005 Obsolete 1 (Unlimited) ROHS3 Compliant Lead Free 28-SOIC (0.295, 7.50mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar DS1689 NVSRAM 28-SOIC 114B 2.7V~3.3V 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2mA @ 3V 3mA @ 5V 2.5V~3.7V
DS1693+ DS1693+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

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
MAX6917EO33+T MAX6917EO33+T Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2013 Obsolete 1 (Unlimited) 20 EAR99 8.65mm ROHS3 Compliant Lead Free 20-SSOP (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.73mm 8542.39.00.01 Clock/Calendar/Supervisor e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED MAX6917 20 YES 0.635mm R-PDSO-G20 Timer or RTC Not Qualified 3.3V Clock 96B 3V~3.6V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
DS1672S-3+T DS1672S-3+T Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 yes 1 8 EAR99 4.9mm Non-RoHS Compliant Lead Free 8 SOIC 3.9mm CMOS 1.75mm e3 MATTE TIN DUAL GULL WING 260 3V NOT SPECIFIED 8 INDUSTRIAL YES 1.27mm 2.7V -40°C Timers or RTCs Not Qualified 3V 3.3V TIMER, REAL TIME CLOCK 0.032MHz SECONDS N NO I2C
DS3232SN# DS3232SN# Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Tube 2007 yes Active 1 (Unlimited) 20 EAR99 ROHS3 Compliant 20 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm W20#H2 Clock/Calendar e3 Matte Tin (Sn) DUAL 245 3.3V 30 DS3232 20 YES Timer or RTC Not Qualified 3.3V 1 Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal 236B 2.3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 120μA~160μA @ 3.3V~5.5V 2.3V~5.5V
DS1688S DS1688S Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2005 Obsolete 1 (Unlimited) 28 EAR99 3.3V 18.1mm Non-RoHS Compliant Contains Lead No 28 CAN ALSO OPERATE WITH 5V SUPPLY 28-SOIC (0.295, 7.50mm Width) Parallel 8.565mm Surface Mount 0°C~70°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 3V DS1688 28 1.27mm Alarm, Leap Year, Square Wave Output, Unique ID Clock 114B 16 2.7V~3.3V 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD
DS1603+ DS1603+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2002 Obsolete 1 (Unlimited) 7 EAR99 21.335mm ROHS3 Compliant Lead Free ONE BYTE PROTOCOL; 1 HZ FIXED O/P; 10 YEARS DATA RETENTION; ACCURACY 2 MIN/MONTH 14-DIP Module (0.335, 8.51mm) 3-Wire Serial not_compliant 16.765mm Through Hole 0°C~70°C CMOS 8.38mm 8542.39.00.01 Elapsed Time Counter e3 Matte Tin (Sn) SINGLE 245 5V 30 DS1603 7 NO 2.54mm R-XSIP-T7 Not Qualified 4.5V~5.5V Binary 2MHz SERIAL, 3-WIRE 1 50μA @ 5V 3V~4.5V
DS1673E-3+ DS1673E-3+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Tube 2009 yes Active 1 (Unlimited) 20 EAR99 6.5mm ROHS3 Compliant Lead Free 3-CHANNEL, 8-BIT ADC 20-TSSOP (0.173, 4.40mm Width) 3-Wire Serial 4.4mm Surface Mount 0°C~70°C MOS 1.1mm 8542.31.00.01 Portable System Controller e3 MATTE TIN DUAL 260 3V 30 DS1673 20 YES 0.65mm 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
DS1746-70IND DS1746-70IND Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2005 Obsolete 1 (Unlimited) 32 EAR99 38.675mm Non-RoHS Compliant Contains Lead 32-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole -40°C~85°C CMOS 9.27mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED DS1746 32 NO 2.54mm R-XDIP-P32 Timer or RTC Not Qualified 5V Leap Year, NVSRAM, Y2K 128KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 5V
DS1672-2+ DS1672-2+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Through Hole Tube 2002 yes Obsolete 1 (Unlimited) 8 EAR99 2V 9.375mm ROHS3 Compliant Lead Free 8 8-DIP (0.300, 7.62mm) I2C, 2-Wire Serial 7.62mm Through Hole -40°C~85°C CMOS 4.572mm Binary Counter e3 Matte Tin (Sn) DUAL 260 2V NOT SPECIFIED DS1672 8 2.54mm Timers or RTCs Not Qualified 2V Trickle-Charger Clock, Counter 1.8V~2.2V Binary 0.032MHz SECONDS N NO I2C 500μA @ 2.2V 1.3V~3.63V
DS1251WP-120 DS1251WP-120 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2005 no Obsolete 3 (168 Hours) 34 3A991.B.2.A 3.3V Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel 120GHz Surface Mount 0°C~70°C CMOS 8473.30.11.40 Phantom Time Chip e0 TIN LEAD DUAL 3.3V DS1251 34 Timer or RTC Leap Year, NVSRAM Clock 120 ns 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
DS1685-5+ DS1685-5+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Through Hole Tube 2000 yes Active 1 (Unlimited) 24 EAR99 5V 32.26mm ROHS3 Compliant Lead Free No 24 24-DIP (0.600, 15.24mm) Parallel Unknown 4.45mm 14.61mm Through Hole 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS1685 24 2.54mm Timer or RTC 5V Alarm, NVSRAM, Square Wave Output, Y2K Clock 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
DS17287-5 DS17287-5 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2012 no Obsolete 1 (Unlimited) 24 EAR99 5V 34.04mm Non-RoHS Compliant Contains Lead No 24 24-DIP Module (0.600, 15.24mm) Parallel Unknown 32.8kHz 9.4mm 18.8mm Through Hole 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V DS17287 24 2.54mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 2KB 4.5V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
DS12C887A DS12C887A Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2000 no Obsolete 1 (Unlimited) 24 Through Hole EAR99 5V 38.1mm Non-RoHS Compliant Contains Lead No 24 24-DIP Module (0.600, 15.24mm) Parallel Unknown 32.768kHz 10.67mm 18.29mm Through Hole 0°C~70°C CMOS Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 225 5V DS12C887 24 2.54mm Timer or RTC 5V 8 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 113B 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
DS17285-3+ DS17285-3+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 9 Weeks Tube 2000 yes Obsolete 1 (Unlimited) 24 EAR99 31.75mm ROHS3 Compliant Lead Free 24-DIP (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3V 30 DS17285 24 NO 2.54mm R-PDIP-T24 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
DS17285S-5/T&R DS17285S-5/T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2012 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 24-SOIC (0.295, 7.50mm Width) Parallel Surface Mount 0°C~70°C Clock/Calendar DS17285 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 24-SOIC 2KB 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
DS1747-70 DS1747-70 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2005 yes Obsolete 1 (Unlimited) 32 EAR99 5V 44.2mm Non-RoHS Compliant Contains Lead No 32 32-DIP Module (0.600, 15.24mm) Parallel Unknown 10.92mm 18.8mm Through Hole 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V DS1747 32 2.54mm Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 512KB 4.5V~5.5V HH:MM:SS (24 hr) SECONDS N NO YY-MM-DD-dd 4mA @ 5V
DS1685E-5+T&R DS1685E-5+T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Surface Mount Tape & Reel (TR) 2000 Active 1 (Unlimited) 70°C 0°C 5V ROHS3 Compliant Lead Free No 24 24-TSSOP (0.173, 4.40mm Width) Parallel 5.5V 4.5V Surface Mount 0°C~70°C Clock/Calendar DS1685 Alarm, NVSRAM, Square Wave Output, Y2K 24-TSSOP Clock 242B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
MAX6916EO33+ MAX6916EO33+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2013 yes Obsolete 1 (Unlimited) 20 EAR99 85°C -40°C 8.65mm ROHS3 Compliant Lead Free 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 3.3V 30 MAX6916 20 INDUSTRIAL YES 0.635mm R-PDSO-G20 Timer or RTC Not Qualified 3.3V Clock 96B 8 3V~3.6V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
DS1344D-3+T&R DS1344D-3+T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Digi-Reel® 2002 Active 1 (Unlimited) 85°C -40°C 3V ROHS3 Compliant No 14 14-WFDFN Exposed Pad SPI Surface Mount -40°C~85°C Clock/Calendar DS1344 Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger 14-TDFN-EP (3x3) Clock 96B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.3V~5.5V
DS1682S+T&R DS1682S+T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Tape & Reel (TR) 2002 Active 1 (Unlimited) ROHS3 Compliant Lead Free 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Elapsed Time Counter DS1682 Alarm, EEPROM 8-SOIC 10B 2.5V~5.5V Binary Binary 4μA~15μA @ 3V~5.5V
DS1746WP-120IND+ DS1746WP-120IND+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Tube 2012 yes Active 3 (168 Hours) 34 EAR99 25.019mm ROHS3 Compliant Lead Free 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 NOT SPECIFIED 3.3V NOT SPECIFIED DS1746 34 YES 1.27mm R-XDMA-U34 Timers or RTCs Not Qualified 3.3V Leap Year, NVSRAM, Y2K 128KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V 3V
DS1511Y DS1511Y Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2004 no Obsolete 1 (Unlimited) 28 EAR99 5V 38.862mm Non-RoHS Compliant Contains Lead No 28 28-DIP Module (0.600, 15.24mm) Parallel Unknown 15.24mm Through Hole 0°C~70°C CMOS 9.398mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V DS1511 28 2.54mm 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 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
DS1286I+ DS1286I+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2009 yes Obsolete 1 (Unlimited) 28 EAR99 5V 38.865mm ROHS3 Compliant Lead Free No 28 ACCURACY 2 MIN/MONTH @ 25 DEGREE C; 1024 HZ FIXED O/P 28-DIP Module (0.61, 15.49mm), 23 Leads Parallel 15.24mm Through Hole -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 5V DS1286 28 2.54mm Timer or RTC 5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 50B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 0.032MHz 1/100SECOND Y YES 1 YY-MM-DD-dd 7mA @ 5V 2.4V~3.5V
DS1672S-33 DS1672S-33 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2002 no Obsolete 1 (Unlimited) 8 EAR99 3.3V 5mm Non-RoHS Compliant Contains Lead Tin No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Unknown 32.8kHz 1.5mm 4mm Surface Mount 540.001716mg -40°C~85°C CMOS Binary Counter e0 DUAL 245 3.3V DS1672 8 Timer or RTC 1 Trickle-Charger Clock, Counter 32 2.97V~3.63V Binary SECONDS N NO I2C 500μA @ 3.63V 1.3V~3.63V
DS1251YP-70IND+ DS1251YP-70IND+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tube 2011 yes Active 3 (168 Hours) 34 3A991.B.2.A 5V 24.384mm ROHS3 Compliant Lead Free No 34 34-PowerCap™ Module Parallel Unknown 70GHz 23.495mm Surface Mount -40°C~85°C CMOS 6.858mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL 245 5V 40 DS1251 34 1.27mm Timer or RTC 5V Leap Year, NVSRAM Clock 70 ns 512kb 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 10mA @ 5V 3V
DS1394U-33+T&R DS1394U-33+T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 5.5V 2.97V Surface Mount -40°C~85°C Clock/Calendar DS1394 75V Alarm, Leap Year, Square Wave Output, Trickle-Charger 10-uMAX Clock 2.97V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 175μA @ 2.97V~5.5V 1.3V~5.5V
DS1683S+T&R DS1683S+T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 9 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Elapsed Time Counter DS1683 Alarm, EEPROM 8-SOIC Clock 16B 2.5V~5.5V Binary Binary
DS12887+ DS12887+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Through Hole Tube 1998 yes Active 1 (Unlimited) 24 Through Hole EAR99 5V 34.04mm ROHS3 Compliant Lead Free Tin No 24 DAYLIGHT SAVINGS OPTION; SELECTABLE MOTOROLA/INTEL TIMING; 10 YEARS DATA RETENTION 24-DIP Module (0.600, 15.24mm) Parallel Unknown 9.4mm 18.8mm Through Hole 0°C~70°C CMOS 15mA Clock/Calendar e3 DUAL 5V DS12887 24 2.54mm Timer or RTC 5V 8 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 114B RAM 4.5V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
DS3232MZ/V+ DS3232MZ/V+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Tube 2012 Automotive, AEC-Q100 yes Not For New Designs 1 (Unlimited) 8 EAR99 3.3V 4.9mm ROHS3 Compliant No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Clock/Calendar e3 Matte Tin (Sn) DUAL 3.3V DS3232 YES 1.27mm Timers or RTCs 2.5/4V Alarm, Leap Year, Square Wave Output, SRAM Clock 236B 2.3V~4.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 175μA @ 2.3V~4.5V 2.3V~4.5V
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