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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) HTS Code 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) Max Power Dissipation Number of Outputs Feature Number of Voltages Monitored Supplier Device Package Logic Function Access Time Accuracy 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 Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS3232S# DS3232S# Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2007 yes Active 1 (Unlimited) 20 SMD/SMT EAR99 13mm ROHS3 Compliant Lead Free No 20 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial No SVHC 32.768kHz 2.35mm 7.6mm Surface Mount 800.987426mg 0°C~70°C CMOS Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V 40 DS3232 20 Timer or RTC 3.3V 1 Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal Clock 236B SRAM 2.3V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO I2C 1 YY-MM-DD-dd 120μA~160μA @ 3.3V~5.5V 2.3V~5.5V
X1228S14IZ-4.5A X1228S14IZ-4.5A Intersil 0.0000
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Min: 1

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0.00000000
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
ISL12027IV27AZ-T ISL12027IV27AZ-T Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 download Surface Mount 2010 Active 1 (Unlimited) 8 EAR99 85°C -40°C 3.3V 4.4mm RoHS Compliant No TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 3mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 8, 8 INDUSTRIAL 0.65mm R-PDSO-G8 Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
ISL1208IB8Z-T7A ISL1208IB8Z-T7A Intersil (Renesas Electronics America) 0.0000
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Min: 1

Mult: 1

0.00000000 download 15 Weeks Surface Mount Digi-Reel® 2004 Active 1 8 EAR99 85°C -40°C 4.9022mm RoHS Compliant Lead Free No 8 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 3.9116mm CMOS 1.7272mm e3 Matte Tin (Sn) - annealed DUAL 260 3.3V INDUSTRIAL 1.27mm Clock 8B HH:MM:SS 0.032MHz I2C 2 B YY-MM-DD-dd
PCF2127T/1,512 PCF2127T/1,512 NXP Semiconductors / Freescale 0.0000
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Min: 1

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0.00000000 Non-RoHS Compliant
DS1689SN+T&R DS1689SN+T&R Maxim Integrated 0.0000
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Min: 1

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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
DS1643-100 DS1643-100 Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Through Hole Tube 1997 yes Obsolete 1 (Unlimited) 28 Through Hole EAR99 5V 39.12mm Non-RoHS Compliant Contains Lead, Lead Free Tin No 28 28-DIP Module (0.600, 15.24mm) Parallel Unknown 32.8kHz 9.4mm 18.8mm Through Hole 0°C~70°C CMOS 8473.30.11.80 50mA Clock/Calendar e3 DUAL 5V DS1643 28 2.54mm Timer or RTC 5V Leap Year, NVSRAM Clock 100 ns 8KB 4.5V~5.5V HH:MM:SS (24 hr) SECONDS N NO 1 YY-MM-DD-dd 3mA @ 5V
DS1338U-18 DS1338U-18 Maxim Integrated 0.0000
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Min: 1

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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
ISL12027AIV27Z ISL12027AIV27Z Intersil 0.0000
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Min: 1

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0.00000000
ISL12022IBZ ISL12022IBZ Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount 1999 Active 1 8 EAR99 85°C -40°C 5mm RoHS Compliant Lead Free Tin No 8 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 1.5mm 4mm 540.001716mg CMOS e3 DUAL 260 3V 30 8 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock 0.0005 % 128B HH:MM:SS 0.032MHz SECONDS Y I2C 128 B YY-MM-DD-dd
PCF8593N PCF8593N NXP Semiconductors 0.0000
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Min: 1

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0.00000000
ISL12024IRTCZ-T ISL12024IRTCZ-T Intersil 0.0000
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Min: 1

Mult: 1

0.00000000
ISL12027IV30AZ-T ISL12027IV30AZ-T Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel 2010 Active 1 8 EAR99 85°C -40°C 3.3V 4.4mm RoHS Compliant No TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 3mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 8, 8 INDUSTRIAL 0.65mm R-PDSO-G8 Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
DS1343D-18+T&R DS1343D-18+T&R Maxim Integrated 0.0000
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Min: 1

Mult: 1

0.00000000 download 2 Weeks Surface Mount Digi-Reel® 2002 Obsolete 1 (Unlimited) 85°C -40°C 1.8V ROHS3 Compliant 14 14-WFDFN Exposed Pad SPI 5.5V 1.71V Surface Mount -40°C~85°C Clock/Calendar DS1343 Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger 14-TDFN-EP (3x3) Clock 96B 1.71V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.3V~5.5V
ISL12022MAIBZ-T ISL12022MAIBZ-T Intersil 0.0000
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Min: 1

Mult: 1

0.00000000
ISL12021CVZ ISL12021CVZ Intersil 0.0000
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Min: 1

Mult: 1

0.00000000
RTC-4574SA:B0:PURE SN RTC-4574SA:B0:PURE SN EPSON 0.0000
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Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) RTC-4574SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm 14-SOP 1.6V~5.5V 1μA~2μA @ 3V~5V
RX-4571SA:B3PURESN RX-4571SA:B3PURESN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
PT7C43190LE PT7C43190LE Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Wire RoHS Compliant
RX-8803LC:UB3PURESN RX-8803LC:UB3PURESN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
MCP795B21-I/ST MCP795B21-I/ST Microchip Technology 0.0000
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Min: 1

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0.00000000 download Surface Mount Tube 2011 Obsolete 1 (Unlimited) 14 EAR99 5mm ROHS3 Compliant No 14 ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ 14-TSSOP (0.173, 4.40mm Width) SPI 4.4mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN (SN) DUAL 5V MCP795B21 14 0.65mm Timer or RTC 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer Clock 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
DS1677E DS1677E Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2009 no Obsolete 1 (Unlimited) 20 EAR99 5V 6.5mm Non-RoHS Compliant Contains Lead No 20 3-CHANNEL, 8-BIT ADC 20-TSSOP (0.173, 4.40mm Width) 3-Wire Serial 4.4mm Surface Mount 0°C~70°C CMOS 1.1mm 8542.31.00.01 Portable System Controller e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1677 20 0.65mm Timer or RTC 5V Alarm, Leap Year, Watchdog Timer Clock 4.5V~5.5V HH:MM:SS (12/24 hr) 1 0.032MHz SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 300μA @ 5V 2.5V~3.7V
RTC-8564JE:B0ROHS RTC-8564JE:B0ROHS EPSON 0.0000
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Min: 1

Mult: 1

0.00000000
RA-4574SA:B3 PURE SN RA-4574SA:B3 PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) RA-4574SA Active 1 (Unlimited) ROHS3 Compliant 14-SSOP (0.209, 5.30mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.6V~5.5V HH:MM:SS YY-MM-DD-dd 0.5μA~1μA @ 3V~5V
DS1306EN+T DS1306EN+T Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

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
RX-4803SA:UB3 PURE SN RX-4803SA:UB3 PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) RX-4803SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 2.1μA~3.4μA @ 3V~5V
M48T212V-85MH1E M48T212V-85MH1E STMicroelectronics 0.0000
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Min: 1

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0.00000000 download Surface Mount Tube Timekeeper® Obsolete 3 (168 Hours) 44 EAR99 3.3V ROHS3 Compliant 44 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT Parallel 85GHz 8.56mm Surface Mount 0°C~70°C CMOS 10mA 3.05mm Clock/Calendar DUAL 260 3.3V 10 M48T212 44 Timer or RTC Not Qualified 1W Alarm, Leap Year, Watchdog Timer, Y2K 1 85 ns 3V~3.6V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 2mA @ 3V~3.6V 3V
RX-8035SA:AC0 PURE SN RX-8035SA:AC0 PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) 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 2.4V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5μA @ 3V 1V~5.5V
RX-4801SA:UB0 PURE SN RX-4801SA:UB0 PURE SN EPSON 0.0000
RFQ

Min: 1

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0.00000000 download Tape & Reel (TR) RX-4801SA Not For New Designs 1 (Unlimited) 14 ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) 4-Wire Serial Surface Mount -40°C~85°C CMOS Clock/Calendar DUAL GULL WING 3V YES 1.27mm R-PDSO-G14 Timer or RTC Not Qualified 3V Alarm 1.6V~5.5V SECONDS Y YES SERIAL, FIXED PROTOCOL 2.1μA~3.4μA @ 3V~5V
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