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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) Number of Outputs Feature Supplier Device Package Logic Function Access Time Screening Level Memory Size Function 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 Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1337C DS1337C Maxim Integrated 0.0000
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0.00000000 Tube 2006 no Obsolete 1 (Unlimited) 16 EAR99 10.3mm Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial not_compliant 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar e0 TIN LEAD DUAL 240 3.3V 20 DS1337 16 YES 1.27mm R-PDSO-G16 Not Qualified Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
DS1344E-18+T&R DS1344E-18+T&R Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 2 Weeks Surface Mount Digi-Reel® 2002 Obsolete 1 (Unlimited) 85°C -40°C 1.8V ROHS3 Compliant No 20 20-TSSOP (0.173, 4.40mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar DS1344 Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger 20-TSSOP Clock 96B 1.71V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.3V~5.5V
DS1251YP-70 DS1251YP-70 Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Surface Mount Tube 2005 Obsolete 3 (168 Hours) 34 EAR99 5V Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel 70GHz Surface Mount 0°C~70°C CMOS 8542.39.00.01 Phantom Time Chip e0 TIN LEAD DUAL 5V DS1251 34 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
DS1302S-16/T&R DS1302S-16/T&R Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tape & Reel (TR) 2002 Obsolete 1 (Unlimited) 70°C 0°C 3.3V Non-RoHS Compliant Contains Lead No 16-SOIC (0.295, 7.50mm Width) 3-Wire Serial 5.5V 2V Surface Mount 0°C~70°C Clock/Calendar DS1302 Leap Year, NVSRAM, Trickle-Charger 16-SOIC Clock 31B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.3μA~1μA @ 2V~5V 2V~5.5V
DS1682S DS1682S Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tube 2002 no Obsolete 1 (Unlimited) 8 EAR99 4.9mm Non-RoHS Compliant Contains Lead 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial not_compliant 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Elapsed Time Counter e0 Tin/Lead (Sn/Pb) DUAL 245 3V NOT SPECIFIED DS1682 8 YES 1.27mm Timers or RTCs Not Qualified 3/5V Alarm, EEPROM 10B 2.5V~5.5V Binary 0.4MHz SECONDS Y NO SERIAL, 2-WIRE/I2C 4μA~15μA @ 3V~5.5V
DS1302N DS1302N Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Through Hole Tube 2002 no Obsolete 1 (Unlimited) 8 EAR99 3.3V 9.91mm Non-RoHS Compliant Contains Lead Tin No 8 BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA 8-DIP (0.300, 7.62mm) 3-Wire Serial Unknown 4.45mm 7.87mm Through Hole -40°C~85°C CMOS Clock/Calendar e0 DUAL 240 3.3V 20 DS1302 8 2.54mm Timers or RTCs 3/5V Leap Year, NVSRAM, Trickle-Charger Clock 31B 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N YES SERIAL, 3-WIRE YY-MM-DD-dd 0.3μA~1μA @ 2V~5V 2V~5.5V
ISL12057IBZ-T ISL12057IBZ-T Intersil 0.0000
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Min: 1

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0.00000000
DS1305EN+T DS1305EN+T Maxim Integrated 0.0000
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Min: 1

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0.00000000 yes 1 (Unlimited) 20 EAR99 6.5mm Non-RoHS Compliant Contains Lead 20 4.4mm CMOS 1.1mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL GULL WING 260 5V 30 20 INDUSTRIAL YES 0.65mm 2V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V 96B TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES SERIAL, 3-WIRE
M41T50Q6F M41T50Q6F STMicroelectronics 0.0000
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Min: 1

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0.00000000 download Surface Mount Tape & Reel (TR) Timekeeper® yes Obsolete 3 (168 Hours) 16 EAR99 3mm ROHS3 Compliant Lead Free 16 16-VFQFN Exposed Pad I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1mm 8542.39.00.01 Clock/Calendar QUAD 260 10 M41T50 16 0.5mm Timer or RTC Not Qualified 1.5/3.3V Alarm, Leap Year, Square Wave Output Clock 16B 1.7V~3.6V HH:MM:SS (24 hr) SECONDS Y YES I2C 1 YY-MM-DD-dd 0.7μA @ 1.7V~3.6V
DS1558Y DS1558Y Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tray 2009 no Obsolete 3 (168 Hours) 48 EAR99 7mm Non-RoHS Compliant Contains Lead 48-LQFP Parallel not_compliant 7mm Surface Mount -40°C~85°C CMOS 1.2mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) QUAD 245 5V NOT SPECIFIED DS1558 48 YES 0.5mm S-PQFP-G48 Timer or RTC Not Qualified 5V Alarm, Leap Year, Watchdog Timer, Y2K 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y YY-MM-DD-dd 6mA @ 5V 2.5V~3.7V
RX-8571NB:B3PURESN RX-8571NB:B3PURESN EPSON 0.0000
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Min: 1

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0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) RX-8571NB Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant 22 22-LFDFN I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, RAM 22-SON (5x6) 16B 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.55μA~0.6μA @ 3V~5V
ISL12028IBZ ISL12028IBZ Renesas Electronics America 0.0000
RFQ

Min: 1

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0.00000000 download Tube 2005 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 ISL12028 14 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
X1227V8I-2.7A X1227V8I-2.7A Intersil 0.0000
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Min: 1

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0.00000000
RX-8801SA: UA PURE SN RX-8801SA: UA PURE SN EPSON 0.0000
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Min: 1

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0.00000000 download RX-8801SA Not For New Designs 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 1.6V~5.5V 2.1μA~3.4μA @ 3V~5V
AB-RTCMC-32.768KHZ-ZIZES2 AB-RTCMC-32.768KHZ-ZIZES2 Abracon LLC 0.0000
RFQ

Min: 1

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0.00000000 download Bulk Active RoHS Compliant 10 Clock/Calendar/Alarm/Timer/Interrupt HH:MM:SS DW:DM:M:Y
DS3234SN#TR DS3234SN#TR Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Bulk 2010 yes 1 20 EAR99 12.8mm RoHS Compliant compliant 7.5mm CMOS 2.65mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING NOT SPECIFIED 3.3V NOT SPECIFIED 20 INDUSTRIAL YES 1.27mm R-PDSO-G20 2V 85°C -40°C Timer or RTC Not Qualified 3.3V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO SERIAL, 4-WIRE/SPI 1
DS3234SN#T&R DS3234SN#T&R Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2010 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant Tin No 20 20-SOIC (0.295, 7.50mm Width) SPI 5.5V 2V Surface Mount -40°C~85°C Clock/Calendar DS3234 Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal 20-SOIC Clock 256B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 120μA~160μA @ 3.63V~5.5V 2V~3.8V
RX-8581JE:B I2C-BUS RX-8581JE:B I2C-BUS EPSON 0.0000
RFQ

Min: 1

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0.00000000 download 13 Weeks RX-8581JE Active 1 (Unlimited) ROHS3 Compliant 20-LSSOJ (0.213, 5.40mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 1.8V~5.5V 0.8μA~1.2μA @ 3V~5V
X1288S16I-2.7A X1288S16I-2.7A Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

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0.00000000 Surface Mount Bulk 16 EAR99 85°C -40°C 10.35mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 7.5mm CMOS 2.65mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 16 INDUSTRIAL 1.27mm R-PDSO-G16 2.7V Timer or RTC Not Qualified 3/5V 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
DS1306EN DS1306EN Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tube 2002 Obsolete 1 (Unlimited) 20 EAR99 6.6mm Non-RoHS Compliant Contains Lead No 20 20-TSSOP (0.173, 4.40mm Width) SPI No SVHC 32.8kHz 950μm 4.5mm Surface Mount 190.990737mg -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn85Pb15) DUAL 240 5V 20 DS1306 20 0.65mm Timer or RTC 3/5V Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger Clock 96B 2V~5.5V HH:MM:SS (12/24 hr) SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
1339C-31SOGI 1339C-31SOGI Integrated Device Technology (IDT) 0.0000
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Min: 1

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0.00000000 85°C -40°C 3.3V RoHS Compliant No SOIC Clock HH:MM:SS
X1286V14T1 X1286V14T1 Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 download Surface Mount 2005 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 31.3kB HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y NO I2C 1 YY-MM-DD-dd
M41T83SQA6F M41T83SQA6F STMicroelectronics 0.0000
RFQ

Min: 1

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0.00000000 download 10 Weeks ACTIVE (Last Updated: 7 months ago) Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 16 SMD/SMT EAR99 4.1mm ROHS3 Compliant Lead Free Tin No 16 16-VQFN Exposed Pad I2C, 2-Wire Serial No SVHC 950μm 4.1mm Surface Mount -40°C~85°C CMOS Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) QUAD 260 5V 30 M41T83 16 Timers or RTCs 5 Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 7B 8 3V~5.5V HH:MM:SS:hh (24 hr) 0.4MHz 1/100SECOND Y I2C 32 B 1 YY-MM-DD-dd 10μA @ 5.5V 2V~5.5V
X1288S16T1 X1288S16T1 Intersil 0.0000
RFQ

Min: 1

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0.00000000
MCP79400-I/MS MCP79400-I/MS Microchip Technology 0.0000
RFQ

Min: 1

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0.00000000 download 7 Weeks Surface Mount Tube 2003 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial No SVHC 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP79400 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
M41T83SMY6E M41T83SMY6E STMicroelectronics 0.0000
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Min: 1

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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 18 EAR99 11.61mm ROHS3 Compliant Lead Free No 18 18-SOX, 18-SOIC with Crystal (7.5mm Width) I2C, 2-Wire Serial 2.34mm 7.62mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 240 5V 30 M41T83 18 1.27mm Timers or RTCs 3.3/5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 7B 8 3V~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
DS1511Y DS1511Y Maxim Integrated 0.0000
RFQ

Min: 1

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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
DS1305N+ DS1305N+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 6 Weeks Through Hole Tube 2002 yes Active 1 (Unlimited) 16 EAR99 19.43mm ROHS3 Compliant Lead Free No 16 16-DIP (0.300, 7.62mm) SPI Unknown 4.45mm 7.87mm Through Hole -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS1305 16 2.54mm Timer or RTC 3/5V Alarm, Leap Year, NVSRAM, Trickle-Charger Clock 96B 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
DS17285S-5/T&R DS17285S-5/T&R Maxim Integrated 0.0000
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Min: 1

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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
DS1685Q-3/T&R DS1685Q-3/T&R Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tape & Reel (TR) 2012 Obsolete 1 (Unlimited) Non-RoHS Compliant 28-LCC (J-Lead) Multiplexed Surface Mount 0°C~70°C Real Time Clock (RTC) DS1685 28-PLCC (11.51x11.51) 242B 3V HH:MM:SS YYYY-MM-DD
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