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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) Feature Supplier Device Package Logic Function Access Time Memory Size Function Number of Bits Address Bus Width Supply Current-Max 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 Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
ISL12057IBZ-T ISL12057IBZ-T Intersil 0.0000
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Min: 1

Mult: 1

0.00000000
M48T08-150PC1 M48T08-150PC1 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 Through Hole EAR99 5V 39.88mm ROHS3 Compliant Lead Free Tin No 28 28-DIP Module (0.600, 15.24mm) Parallel No SVHC 32.768kHz 8.89mm 18.34mm Through Hole 4.190003g 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e3 DUAL 5V M48T08 28 2.54mm Timer or RTC Leap Year, Watchdog Timer Clock 150 ns 8kB 8b 80mA 4.75V~5.5V HH:MM:SS (24 hr) 8184 SECONDS N NO YY-MM-DD-dd 3mA @ 4.7V~5.5V
RX8900SA:UA0 PURE SN RX8900SA:UA0 PURE SN EPSON 0.0000
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Min: 1

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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
1339A-31DVGI8 1339A-31DVGI8 Renesas Electronics America 0.0000
RFQ

Min: 1

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0.00000000 Tape & Reel (TR) Last Time Buy 1 (Unlimited) 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 3.63V~5.5V 1.3V~3.7V
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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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
DS12C887A DS12C887A Rochester Electronics 0.0000
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Min: 1

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0.00000000 download Tube no Obsolete 1 (Unlimited) 24 33.782mm Non-RoHS Compliant 24-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 9.398mm Clock/Calendar e0 TIN LEAD DUAL 225 5V NOT SPECIFIED 24 NO 2.54mm R-PDIP-T24 COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 113B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
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
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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

Mult: 1

0.00000000
RA-4565SA:B3 ROHS RA-4565SA:B3 ROHS EPSON 0.0000
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Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Automotive, AEC-Q200 Obsolete 1 (Unlimited) 14-SOIC (0.209, 5.30mm Width) 4-Wire Serial Surface Mount -40°C~125°C Clock/Calendar Alarm, Leap Year 14-SOP 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1.6μA~2μA @ 3V~5V
CDP68HC68T1E CDP68HC68T1E Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
MAX31331EWC+T MAX31331EWC+T Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS1306EN+T DS1306EN+T Maxim Integrated 0.0000
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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-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
RX-8035SA:AA PURE SN RX-8035SA:AA PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks 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 14-SOP 2.4V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5μA @ 3V 1V~5.5V
RTC-7301DG:B ROHS RTC-7301DG:B ROHS EPSON 0.0000
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Min: 1

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0.00000000 download Tube Obsolete 1 (Unlimited) 18-DIP (0.300, 7.62mm) Parallel Through Hole -40°C~85°C Clock/Calendar Alarm, Leap Year 18-DIP 2.4V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1μA~2μA @ 3V~5V
RX-4571LC:B3 PURE SN RX-4571LC:B3 PURE SN EPSON 0.0000
RFQ

Min: 1

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0.00000000 download 15 Weeks Tape & Reel (TR) RX-4571LC 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
DS3231S DS3231S Rochester Electronics 0.0000
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Min: 1

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0.00000000 download Tube no Obsolete 1 (Unlimited) 16 10.3mm Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 7.5mm Surface Mount 0°C~70°C CMOS 2.65mm Clock/Calendar e0 TIN LEAD DUAL 240 3.3V 20 16 YES 1.27mm R-PDSO-G16 COMMERCIAL Alarm, Leap Year, Square Wave Output, TCXO/Crystal 2.3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 110μA~170μA @ 3.63V~5.5V 2.3V~5.5V
RX-4035SA:AAB PURE SN RX-4035SA:AAB PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks 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 2.4V~5.5V 2.5μA @ 3V 1V~5.5V
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
MCP795W10T-I/SL MCP795W10T-I/SL Microchip Technology 0.0000
RFQ

Min: 1

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0.00000000 download 2 Weeks Surface Mount Tape & Reel (TR) 1998 Active 1 (Unlimited) 14 EAR99 8.65mm ROHS3 Compliant No 14 ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ 14-SOIC (0.154, 3.90mm Width) SPI 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 5V 40 MCP795W10 14 1.27mm Timer or RTC 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 64B 8 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 10MHz 1/100SECOND Y NO YY-MM-DD-dd 1μA @ 1.8V~5.5V 1.3V~3.6V
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
DS1744-70IND DS1744-70IND Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Through Hole Tube 2006 Obsolete 1 (Unlimited) 28 EAR99 5V 39.37mm Non-RoHS Compliant Contains Lead No 28 28-DIP Module (0.600, 15.24mm) Parallel Unknown 10.67mm 18.8mm Through Hole -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V DS1744 28 2.54mm Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 32KB 4.5V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 5V
DS1556WP-120 DS1556WP-120 Rochester Electronics 0.0000
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Min: 1

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0.00000000 download Tube no Obsolete 3 (168 Hours) 34 Non-RoHS Compliant 34-PowerCap™ Module Parallel unknown Surface Mount 0°C~70°C Clock/Calendar e0 TIN LEAD DUAL NOT SPECIFIED 3.3V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 128KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 4mA @ 3.3V 3V
RX-8801SA:UB3PURESN RX-8801SA:UB3PURESN EPSON 0.0000
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Min: 1

Mult: 1

0.00000000
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
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