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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 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 Number of Functions Nominal Supply Current 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) Number of Channels Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Number of Outputs Feature Load Capacitance Power Dissipation Adjustable Threshold Number of Terminals Logic Function Access Time Memory Size Memory Type Function RAM Size Number of Bits 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
M48T35Y-70PC1 M48T35Y-70PC1 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 EAR99 5V 39.88mm ROHS3 Compliant Lead Free No 28 28-DIP Module (0.600, 15.24mm) Parallel No SVHC 70GHz 8.89mm 18.34mm Through Hole 4.190003g 0°C~70°C CMOS 8542.39.00.01 80mA Clock/Calendar e3 Matte Tin (Sn) DUAL 5V M48T35 28 2.54mm Timer or RTC 5V Leap Year 100pF 1W Clock 70 ns 32kB SRAM 4.5V~5.5V HH:MM:SS (24 hr) 32760 SECONDS N NO YY-MM-DD-dd 2mA @ 4.75V~5.5V
PT7C4337WE PT7C4337WE Diodes Incorporated 0.0000
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0.00000000 download 8 Weeks Surface Mount Tube 2013 Last Time Buy 1 (Unlimited) 8 EAR99 4.9mm RoHS 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 DUAL 3.3V 1.27mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output Clock 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd 0.8μA @ 1.3V~1.8V
RTC4543SA:B3:ROHS RTC4543SA:B3:ROHS Epson America, Inc 0.0000
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0.00000000 download Tape and Reel LTB Yes with exemptions 14 Clock/Calendar HH:MM:SS DW:DM:M:Y
BQ3285ESSTRG4 BQ3285ESSTRG4 Texas Instruments 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 2 (1 Year) 24 EAR99 5V 8.65mm ROHS3 Compliant Lead Free Gold No 24 24-SSOP (0.154, 3.90mm Width) Parallel 3.9mm Surface Mount 129.500622mg 0°C~70°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e4 DUAL 260 5V BQ3285 24 0.635mm 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
DS1244Y-70 DS1244Y-70 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 28 38.862mm Non-RoHS Compliant 28-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C 9.398mm Phantom Time Chip e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 28 NO 2.54mm R-PDIP-P28 COMMERCIAL Leap Year, NVSRAM 32KB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 YY-MM-DD-dd 10mA @ 5V
X1288S16I-4.5A X1288S16I-4.5A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 16 EAR99 85°C -40°C 10.35mm Non-RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial not_compliant 7.5mm CMOS 2.65mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 16 INDUSTRIAL 1.27mm R-PDSO-G16 4.5V Timer or RTC Not Qualified 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
DS1305N+ DS1305N+ Maxim Integrated 0.0000
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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
RV-3032-C7 32.768KHZ-2.5PPM-TA-QA RV-3032-C7 32.768KHZ-2.5PPM-TA-QA Micro Crystal 0.0000
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0.00000000
MAX6909EO33+T MAX6909EO33+T Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) yes Obsolete 1 (Unlimited) 20 EAR99 85°C -40°C 8.65mm ROHS3 Compliant 20-SSOP (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount BICMOS 1.73mm 8473.30.11.80 1 Clock/Calendar/Supervisor e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED MAX6909 20 INDUSTRIAL YES 0.635mm R-PDSO-G20 3V 1 Not Qualified 3.6V YES Clock 31B 3V~3.6V HH:MM:SS (12/24 hr) YY-MM-DD-dd
RTC-7301DG:BSROHS RTC-7301DG:BSROHS Epson 0.0000
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0.00000000 Through Hole 85°C -40°C RoHS Compliant DIP Parallel HH:MM:SS (24 hr) YY-MM-DD-dd
X1228S14Z-2.7T1 X1228S14Z-2.7T1 Intersil Corporation 0.0000
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0.00000000 3 EAR99 8.6614mm RoHS Compliant compliant 3.9116mm CMOS 1.7272mm 8542.39.00.01 e3 MATTE TIN DUAL GULL WING 260 5V 40 14 COMMERCIAL YES 1.27mm R-PDSO-G14 2.7V 70°C Timer or RTC Not Qualified 3/5V 5.5V 14 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1
M41T11M6F M41T11M6F 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 Lead Free No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial No SVHC 1.5mm 4mm Surface Mount 506.605978mg -40°C~85°C CMOS Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 30 M41T11 8 1.27mm Timer or RTC 2.5/5V Leap Year, NVSRAM Clock 56B 2V~5.5V HH:MM:SS 0.032MHz SECONDS N I2C 56 B YY-MM-DD-dd 70μA @ 2V~5.5V 2.5V~3.5V
ISL12082IB8Z ISL12082IB8Z Intersil 0.0000
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0.00000000
PT7C4302AZEEX PT7C4302AZEEX Diodes Incorporated 0.0000
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0.00000000 20 Weeks Tape & Reel (TR) Active 1 (Unlimited) ROHS3 Compliant 8-WFDFN Exposed Pad 3-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 31B 1.2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 1.2V~5.5V
DS1338U-18 DS1338U-18 Maxim Integrated 0.0000
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0.00000000 download Tube 2012 no Obsolete 1 (Unlimited) 8 EAR99 3mm Non-RoHS Compliant Contains Lead 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial not_compliant 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 1.8V 20 DS1338 8 YES 0.65mm S-PDSO-G8 Timer or RTC Not Qualified 1.8V Leap Year, NVSRAM, Square Wave Output 56B 1.71V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd 100μA @ 1.89V 1.3V~3.7V
DS1339C-33 DS1339C-33 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2002 no Obsolete 1 (Unlimited) 16 EAR99 3.3V 10.5mm Non-RoHS Compliant No 16 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 2.35mm 7.6mm Surface Mount 665.986997mg -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e0 TIN LEAD DUAL 240 3.3V 20 DS1339 16 1.27mm Alarm, Leap Year, Square Wave Output, Trickle-Charger Clock 2.97V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 200μA @ 5.5V 1.3V~3.7V
ISL1218IUZ ISL1218IUZ Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tube 2004 Active 2 (1 Year) EAR99 ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED ISL1218 8 Alarm, Leap Year, SRAM 8B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
DS1644P-120 DS1644P-120 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 no Obsolete 3 (168 Hours) 34 EAR99 5V 23.5mm Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel 2.03mm 25.02mm Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e0 TIN LEAD DUAL 5V DS1644 34 Timer or RTC 5V Leap Year, NVSRAM Clock 32KB 4.5V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 4.5V~5.5V 3V
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
BQ3285LDSSTR BQ3285LDSSTR Texas Instruments 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 2 (1 Year) 24 EAR99 3V 8.65mm ROHS3 Compliant Lead Free Gold No 24 24-SSOP (0.154, 3.90mm Width) Parallel 3.9mm Surface Mount 129.500622mg 0°C~70°C CMOS 1.73mm 8542.39.00.01 Clock/Calendar e4 DUAL 260 3V BQ3285 24 0.635mm Timer or RTC 3V Alarm, Daylight Savings, NVSRAM Clock 242B 2.7V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 100μA @ 3V 2.4V~4V
R2045S-E2-F R2045S-E2-F Ricoh 0.0000
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0.00000000
S-35190A-T8T1G S-35190A-T8T1G ABLIC U.S.A. Inc. 0.0000
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0.00000000 download Tape & Reel (TR) yes Not For New Designs 1 (Unlimited) 8 EAR99 4.4mm RoHS Compliant 8-TSSOP (0.173, 4.40mm Width) 3-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e6 TIN/BISMUTH (SN/BI) DUAL 260 3V 10 8 YES 0.65mm R-PDSO-G8 Not Qualified Alarm, Leap Year 1.3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SERIAL, 3-WIRE 1 YY-MM-DD-dd 0.93μA~1.1μA @ 3V~5V
ISL12028IV27AZ ISL12028IV27AZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 Active 1 14 EAR99 85°C -40°C 3.3V 5mm RoHS Compliant No 14 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 4.4mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
RTC72421B RTC72421B EPSON 0.0000
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0.00000000
PCF8573T,512 PCF8573T,512 NXP Semiconductors 0.0000
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0.00000000 download Tube Obsolete RoHS Compliant 16 Clock/Calendar/Alarm HH:MM:SS YY:MM:DD
ISL12027AIB27Z ISL12027AIB27Z 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 4.9mm RoHS Compliant No SOIC 2-Wire, I2C, Serial 3.9mm CMOS 1.75mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 8, 8 INDUSTRIAL 1.27mm R-PDSO-G8 Timer or RTC 3/5V 5.5V Clock HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
RTC-72423B RTC-72423B Toyocom 0.0000
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0.00000000 download Surface Mount Bulk SMD/SMT 85°C -40°C 16.3mm RoHS Compliant Contains Lead 24 SOIC Parallel 5.5V Unknown 4.5V 1MHz 2.8mm 7.9mm 5 8 HH:MM:SS (12/24 hr) YY-MM-DD-dd
ISL12029IVAZ ISL12029IVAZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 Active 1 14 EAR99 85°C -40°C 3.3V 5mm RoHS Compliant No 14 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 4.4mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
RTC-7301SF:B0ROHS RTC-7301SF:B0ROHS EPSON 0.0000
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0.00000000
DS3234SN# DS3234SN# Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2010 yes Active 1 (Unlimited) 20 EAR99 3.3V 13mm ROHS3 Compliant Tin No 20 20-SOIC (0.295, 7.50mm Width) SPI Unknown 2.35mm 7.6mm Surface Mount 800.987426mg -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 DUAL 260 3.3V 30 DS3234 20 1.27mm Timer or RTC Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal Clock 256B 8 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 120μA~160μA @ 3.63V~5.5V 2V~3.8V
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