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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 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 Compliance Code Min Supply Voltage Height Width Thickness Mounting Type Weight Operating Temperature Technology Height Seated (Max) HTS Code Evaluation Kit 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) Feature Supplier Device Package Logic Function Memory Size Function 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
DS2404-001 DS2404-001 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download no 1 16 EAR99 85°C -40°C 19.175mm RoHS Compliant No 16 PDIP 7.62mm CMOS 4.572mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL THROUGH-HOLE 240 5V 20 16 INDUSTRIAL NO 2.54mm 4.5V 5.5V Clock 0.032MHz SERIAL, 3-WIRE Binary
ISL12028IB27Z-T ISL12028IB27Z-T Rochester Electronics 0.0000
RFQ

Min: 1

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0.00000000 download Tape & Reel (TR) 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 Alarm, Leap Year, Supervisor, Watchdog Timer 14-SOIC 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
DS3231MZ+ DS3231MZ+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tube 2012 yes Active 1 (Unlimited) 8 EAR99 3.3V 5mm ROHS3 Compliant No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 1.5mm 4mm Surface Mount 540.001716mg -40°C~85°C CMOS Yes Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS3231 8 1.27mm Timer or RTC Alarm, Leap Year, Square Wave Output Clock 2.3V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 130μA~200μA @ 3.63V~5.5V 2.3V~5.5V
PT7C4337WEX PT7C4337WEX Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
RFQ

Min: 1

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0.00000000 Tape & Reel (TR) 8 EAR99 4.9mm RoHS Compliant compliant 3.9mm CMOS 1.75mm 8542.39.00.01 DUAL GULL WING 3.3V 8 INDUSTRIAL YES 1.27mm R-PDSO-G8 1.8V 85°C -40°C Timer or RTC Not Qualified 2/5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1
RX-4571SA:B PURE SN RX-4571SA:B PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks RX-4571SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.6V~5.5V 0.95μA~1μA @ 3V~5V
RV-3049-C2-32.768K-OPTION-B-TA-QA RV-3049-C2-32.768K-OPTION-B-TA-QA Micro Crystal 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RX-8581NB:B3PURESN RX-8581NB:B3PURESN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RX-8035LC:B3PURESN RX-8035LC:B3PURESN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RX-4035SA:B3 PURE SN RX-4035SA:B3 PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) RX-4035SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) SPI Surface Mount -40°C~85°C Time Event Recorder Alarm, Leap Year 14-SOP 2.4V~5.5V 2.5μA @ 3V 1V~5.5V
PT7C4337LE PT7C4337LE Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 RoHS Compliant
X1228S14I-2.7A X1228S14I-2.7A Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Bulk 14 EAR99 85°C -40°C 8.65mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 3.9mm CMOS 1.75mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 14 INDUSTRIAL 1.27mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 3/5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
DS1685EN-3+T DS1685EN-3+T Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount yes 1 24 EAR99 7.8mm Non-RoHS Compliant Contains Lead 24 4.4mm CMOS 1.1mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL GULL WING 260 3V NOT SPECIFIED 24 INDUSTRIAL 0.65mm 2.7V 85°C -40°C Timer or RTC Not Qualified 3V 3.7V 242B 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES PARALLEL, MUXED BUS 1
BQ4850YMA-85N BQ4850YMA-85N Rochester Electronics 0.0000
RFQ

Min: 1

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0.00000000 download Tube Obsolete 3 (168 Hours) ROHS3 Compliant 32-DIP Module (0.61, 15.49mm) Parallel Through Hole -40°C~85°C Clock/Calendar Alarm 32-DIP Module (18.42x52.96) 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1mA @ 4.5V~5.5V
RX-8564LC:B0:PURE SN RX-8564LC:B0:PURE SN Epson America, Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape and Reel Active Yes with exemptions 12 Clock/Calendar/Alarm/Timer HH:MM:SS DW:DM:M:Y
1338C-18SRI8 1338C-18SRI8 Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tape & Reel 2006 no Discontinued 3 16 EAR99 85°C -40°C 1.8V 10.4mm RoHS Compliant Contains Lead No 16 SOIC 2-Wire, I2C, Serial 7.6mm 2.34mm CMOS 2.65mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 16 INDUSTRIAL 1.27mm Timer or RTC 2/5V 5.5V Clock 56B HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd
X1288V14-2.7A X1288V14-2.7A Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1288 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1227S8Z-2.7A X1227S8Z-2.7A Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RA-4565SA B3 PURE SN RA-4565SA B3 PURE SN Epson America, Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape and Reel Active Yes with exemptions 14 Clock/Calendar/Alarm HH:MM:SS DW:DM:M:Y
X1288S16-2.7 X1288S16-2.7 Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
PCF8563TS-T PCF8563TS-T NXP Semiconductors / Freescale 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Tape and Reel no 85°C -40°C RoHS Compliant Lead Free No 8 TSSOP 5.5V 1.8V HH:MM:SS
DS1339U-33+T DS1339U-33+T Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2006 yes 1 8 EAR99 3mm RoHS Compliant Lead Free compliant 3mm CMOS 1.1mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V 30 8 INDUSTRIAL YES 0.65mm S-PDSO-G8 2.97V 85°C -40°C Timer or RTC Not Qualified 3.3V 3.63V TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1
RTC-4543SA:B ROHS RTC-4543SA:B ROHS EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download RTC-4543SA Obsolete 1 (Unlimited) 14-SOIC (0.197, 5.00mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Leap Year 14-SOP 2.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1μA~3μA @ 2V~5V
RX-4575LC:B3:PURESN RX-4575LC:B3:PURESN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS1743P-70 DS1743P-70 Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube no Obsolete 1 (Unlimited) 34 Non-RoHS Compliant A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel unknown Surface Mount 0°C~70°C Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL Leap Year, NVSRAM, Y2K 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 3mA @ 5V 3V
1339AC-31SRGI8 1339AC-31SRGI8 Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2006 yes Active 3 16 EAR99 85°C -40°C 3.3V 10.4mm RoHS Compliant Lead Free Tin 16 SOIC 2-Wire, I2C, Serial 2.34mm 7.6mm 2.34mm CMOS 8542.39.00.01 e3 DUAL 260 NOT SPECIFIED 16 INDUSTRIAL 1.27mm Timer or RTC Not Qualified 3.3/5.5V 5.5V Clock HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
RTC-7301DG:BROHS RTC-7301DG:BROHS EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RX-4045SA:AA0:PURE SN RX-4045SA:AA0:PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) RX-4045SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar Alarm 14-SOP 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
RTC-8564NB:B3 ROHS RTC-8564NB:B3 ROHS EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) RTC-8564NB Active 1 (Unlimited) ROHS3 Compliant 22-SMD, 20 Leads, Flat Leads I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Y2K 22-SON 1.8V~5.5V HH:MM:SS YY-MM-DD-dd 0.7μA~0.8μA @ 3V~5V
RX8900SA:UA3 PURE SN RX8900SA:UA3 PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) RX8900SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 14-SOIC 2.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1.4μA~1.5μA @ 3V~5V 1.6V~5.5V
RTC-72423B RTC-72423B EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 24-SOIC (0.311, 7.90mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Leap Year 24-SOP 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA~10μA @ 2V~5V
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