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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 Package / Case Interface Max Supply Voltage REACH SVHC 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) Operating Temperature (Min) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Consumer IC Type Voltage Application Number of Outputs Feature Supplier Device Package Logic Function Access Time Memory Size Memory Type Supply Current-Max Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency RAM (words) Display Mode Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery Battery End of Life Indication Frequency Trimming Alarm
DS12885Q/T&R DS12885Q/T&R Rochester Electronics 0.0000
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0.00000000 Tape & Reel (TR) Obsolete 3 (168 Hours) Non-RoHS Compliant 28-LCC (J-Lead) Parallel Surface Mount Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 28-PLCC (11.51x11.51) 114B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5V~4V
PT7C4337UE PT7C4337UE Diodes Incorporated 0.0000
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0.00000000 download 9 Weeks Surface Mount Tube 2013 Last Time Buy 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 DUAL 3.3V 0.65mm 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
DS32C35-33#T&R DS32C35-33#T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2010 Obsolete 1 (Unlimited) Non-RoHS Compliant 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar DS32C35 Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal 20-SOIC 8KB 2.7V~3.63V HH:MM:SS (12/24 hr) YY-MM-DD-dd 110μA @ 3.63V 2.3V~3.6V
RX-4803LC:UC3 PURE SN RX-4803LC:UC3 PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks Tape & Reel (TR) RX-4803LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 2.1μA~3.4μA @ 3V~5V
DS1340U-33 DS1340U-33 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 8 3mm Non-RoHS Compliant 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 e0 TIN LEAD DUAL 240 3.3V 20 8 YES 0.65mm S-PDSO-G8 COMMERCIAL Leap Year, Trickle-Charger 2.97V~5.5V HH:MM:SS (24 hr) 0.032MHz I2C YY-MM-DD-dd 150μA @ 5.5V 1.3V~5.5V
M48T58-70PC1 M48T58-70PC1 STMicroelectronics 0.0000
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0.00000000 download 25 Weeks 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 M48T58 28 2.54mm Timer or RTC Leap Year Clock 70 ns 8kB 4.75V~5.5V HH:MM:SS (24 hr) 8184 SECONDS N NO YY-MM-DD-dd 3mA @ 4.75V~5.5V
DS1501WEN+T&R DS1501WEN+T&R Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2002 Obsolete 3 (168 Hours) 85°C -40°C 3.3V ROHS3 Compliant Lead Free No 28 28-TSSOP (0.465, 11.80mm Width) Parallel 3.6V 3V Surface Mount -40°C~85°C Clock/Calendar DS1501 Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 28-TSOP Clock 256B 3V~3.6V HH:MM:SS (24 hr) YY-MM-DD-dd 4mA @ 3V~3.6V 2.5V~3.7V
RTC-7301SF:B3ROHS RTC-7301SF:B3ROHS EPSON 0.0000
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0.00000000
DS1305EN+ DS1305EN+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 20 SMD/SMT EAR99 6.6mm ROHS3 Compliant Lead Free No 20 20-TSSOP (0.173, 4.40mm Width) SPI Unknown 32.768kHz 950μm 4.5mm Surface Mount 190.990737mg -40°C~85°C CMOS Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS1305 20 0.65mm Timer or RTC 5V 1 Alarm, Leap Year, NVSRAM, 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
RX-8581JE:B0 RX-8581JE:B0 EPSON 0.0000
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0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) RX-8581JE Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant 20 20-LSSOJ (0.213, 5.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 20-VSOJ 1.8V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.8μA~1.2μA @ 3V~5V
DS1315N-33 DS1315N-33 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2007 Obsolete 1 (Unlimited) 16 EAR99 3.3V 19.175mm Non-RoHS Compliant Contains Lead No 16 16-DIP (0.300, 7.62mm) Parallel 7.62mm Through Hole -40°C~85°C CMOS 4.572mm 8542.39.00.01 Phantom Time Chip e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V 20 DS1315 16 2.54mm Timer or RTC Leap Year Clock 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
DS1338C-33#T&R DS1338C-33#T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant Tin No 16 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 5.5V 3V Surface Mount 665.986997mg -40°C~85°C Clock/Calendar DS1338 Leap Year, NVSRAM, Square Wave Output 16-SOIC Clock 56B 3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 125μA~200μA @ 3.63V~5.5V 1.3V~3.7V
DS1308U-3+ DS1308U-3+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2013 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8473.30.11.80 Clock/Calendar DUAL NOT SPECIFIED 3V NOT SPECIFIED DS1308 8 YES 0.65mm S-PDSO-G8 Timer or RTC Not Qualified 3/5V Leap Year, NVSRAM, Square Wave Output 56B 2.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd 1.3V~5.5V
KR3225Y32768EAW30TAA KR3225Y32768EAW30TAA Kyocera International Inc. Electronic Components 0.0000
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0.00000000 download 16 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant 8-SMD I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm SMD 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 2μA @ 3V
RTC-4574SA:B0:ROHS RTC-4574SA:B0:ROHS EPSON 0.0000
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0.00000000 Surface Mount 85°C -40°C 3V RoHS Compliant 14 SOIC Serial 5.5V 1.6V 338.011364mg Clock HH:MM:SS YY-MM-DD-dd
DS1306E/T&R DS1306E/T&R Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2002 Obsolete 1 (Unlimited) 70°C 0°C Non-RoHS Compliant Contains Lead Tin No 20 20-TSSOP (0.173, 4.40mm Width) SPI 5.5V 2V Surface Mount -40°C~85°C Clock/Calendar DS1306 Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 20-TSSOP Clock 96B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
RX-4574LC:B0 PURE SN RX-4574LC:B0 PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks Tape & Reel (TR) RX-4574LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 12-VSOJ 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.95μA~1μA @ 3V~5V
IDT1337DCGI8 IDT1337DCGI8 Integrated Device Technology (IDT) 0.0000
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0.00000000 Surface Mount Tape & Reel (TR) yes 1 8 85°C -40°C RoHS Compliant SOIC 2-Wire, I2C, Serial CMOS e3 Matte Tin (Sn) - annealed DUAL 260 30 INDUSTRIAL 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 2/5V HH:MM:SS (12/24 hr) TIMER, MEMORY REFRESH SECONDS Y SERIAL, 2 WIRE/I2C YY-MM-DD-dd
MCP79521T-I/MN MCP79521T-I/MN Microchip Technology 0.0000
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0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 10 EAR99 3mm ROHS3 Compliant Lead Free No 10 10-WFDFN Exposed Pad SPI 750μm 3mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 3V 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
ISL12027IB27AZ ISL12027IB27AZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 1999 Active 1 8 SMD/SMT EAR99 85°C -40°C 3.3V 5mm RoHS Compliant No 8 SOIC 2-Wire, I2C, Serial 5.5V No SVHC 2.7V 400kHz 1.5mm 4mm CMOS e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL Timer or RTC 3/5V 1 Clock 512B EEPROM HH:MM:SS SECONDS Y NO I2C YY-MM-DD-dd
ISL12026AIVZ-T ISL12026AIVZ-T Renesas Electronics America Inc. 4.1823
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0.00000000 download 7 Weeks Tape & Reel (TR) 2010 Active 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3.3V NOT SPECIFIED ISL12026A 8 YES 0.65mm R-PDSO-G8 Alarm, Leap Year 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
IDT1337GDVGI IDT1337GDVGI Integrated Device Technology (IDT) 0.0000
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0.00000000 Surface Mount 85°C -40°C RoHS Compliant 8 MSOP 2-Wire, I2C, Serial HH:MM:SS (12/24 hr) YY-MM-DD-dd
DS2415P+ DS2415P+ Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2001 Obsolete 1 (Unlimited) 6 EAR99 3.94mm ROHS3 Compliant Lead Free No 6 6-LSOJ (0.148, 3.76mm Width) 1-Wire® Serial Surface Mount -40°C~85°C CMOS 1.5mm 8542.39.00.01 Binary Counter e3 Matte Tin (Sn) DUAL 260 3V 30 DS2415 6 1.27mm Unique ID Clock 2.5V~5.5V Binary 0.032MHz SERIAL, 1-WIRE 0.25μA~0.45μA @ 3V~5V 2.5V~5.5V
NTE2062 NTE2062 NTE Electronics 0.0000
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0.00000000 28 Non-RoHS Compliant 28 PMOS 1 DUAL THROUGH-HOLE 28 OTHER NO 1.78mm 70°C -30°C Clock ICs Not Qualified -12V LED CLOCK ALARM CLOCKS; CLOCK-RADIOS 7mA DIGITAL NO NO YES
DS1390U-33+T&R DS1390U-33+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant Lead Free Tin No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 5.5V Unknown 2.97V Surface Mount -40°C~85°C Clock/Calendar DS1390 Alarm, Leap Year, Square Wave Output, Trickle-Charger 10-μSOP 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
DS1743W-150+ DS1743W-150+ Maxim Integrated 0.0000
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0.00000000 download Tube 2012 yes Obsolete 1 (Unlimited) 28 EAR99 38.225mm ROHS3 Compliant Lead Free 28 15.24mm CMOS 10.67mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL PIN/PEG 260 3.3V NOT SPECIFIED 28 COMMERCIAL NO 2.54mm 2.97V 70°C Timers or RTCs Not Qualified 3.3V 3.63V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS N NO PARALLEL, DIRECT ADDRESS
ISL12029AIV27Z ISL12029AIV27Z Rochester Electronics 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 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
PT7C4372ALEX PT7C4372ALEX Pericom 0.0000
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0.00000000
ISL12058IUZ-T ISL12058IUZ-T Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tape & Reel (TR) 2009 Active 1 (Unlimited) 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 ISL12058 8 Alarm, Leap Year 1.8V~3.6V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.65μA @ 1.8V
RX8900CE:UA3 RX8900CE:UA3 EPSON 0.0000
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0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) RX8900CE Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant Lead Free 10 10-SMD, No Lead I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 10-SMD 2.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1.4μA~1.5μA @ 3V~5V 1.6V~5.5V
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