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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 SVHC Reach Compliance Code Min Supply Voltage Density Frequency Height Width Mounting Type 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 Number of Terminals Logic Function Access Time Screening Level Memory Size Number of Bits Voltage - Supply Time Format External Data Bus Width 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
CDP68HC68T1M CDP68HC68T1M Intersil 0.0000
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Min: 1

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0.00000000
DS1747WP-120IND DS1747WP-120IND Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Surface Mount Tube 2005 no Obsolete 3 (168 Hours) 34 EAR99 3.3V Non-RoHS Compliant Contains Lead Tin No 34 34-PowerCap™ Module Parallel Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e0 DUAL 240 3.3V DS1747 34 Timer or RTC Leap Year, NVSRAM, Y2K Clock 512KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V 3V
ISL12028AIV27Z ISL12028AIV27Z Renesas Electronics America 0.0000
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Min: 1

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0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial unknown Surface Mount -40°C~85°C Clock/Calendar ISL12028A 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
AB0804-T3 AB0804-T3 Abracon LLC 0.0000
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Min: 1

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0.00000000 download Surface Mount Tape & Reel (TR) 2012 Obsolete 1 (Unlimited) 85°C -40°C RoHS Compliant Lead Free No 16-VFQFN Exposed Pad I2C, 2-Wire Serial 3.6V 1.7V Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer 16-QFN (3x3) Clock 256B 1.7V~3.6V HH:MM:SS:hh 256 B YY-MM-DD-dd 0.17μA~0.22μA @ 1.8V~3V 1.5V~3.6V
X1286A8IT1 X1286A8IT1 Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 download Surface Mount Tape & Reel (TR) 2005 1 8 EAR99 85°C -40°C 5.255mm Non-RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 5.23mm CMOS 2.03mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED 8 INDUSTRIAL 1.27mm R-PDSO-G8 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 NO I2C 1 YY-MM-DD-dd
ISL12026AIBZ ISL12026AIBZ Intersil 0.0000
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Min: 1

Mult: 1

0.00000000
ISL12025IVZ ISL12025IVZ Rochester Electronics 0.0000
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Min: 1

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0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Supervisor, Unique ID, Watchdog Timer 8-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
ISL12028IBZ-T ISL12028IBZ-T Intersil 0.0000
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Min: 1

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0.00000000
DS1342U+ DS1342U+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount Tube 2012 yes Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Tin No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Unknown 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar DUAL 3V DS1342 8 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 0.6μA~0.7μA @ 3V~5V
DS1254YB-100 DS1254YB-100 Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Surface Mount Tray 2005 Obsolete 4 (72 Hours) 5V Non-RoHS Compliant Contains Lead No 168 168-BGA Parallel 16 Mb 100GHz Surface Mount 0°C~70°C Phantom Time Chip DS1254 Leap Year, NVSRAM 100 ns 2MB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8b YY-MM-DD-dd 7mA @ 3.3V 3V
X1288S16I X1288S16I Renesas Electronics America 0.0000
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Min: 1

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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar X1288 Alarm, Leap Year, Supervisor, Watchdog Timer 4.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
RV-3032-C7 32.768KHZ-2.5PPM-TA-QC RV-3032-C7 32.768KHZ-2.5PPM-TA-QC Micro Crystal 0.0000
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Min: 1

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0.00000000
RX-8035SA:AA0:PURESN RX-8035SA:AA0:PURESN EPSON 0.0000
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Min: 1

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0.00000000
DS1305EN DS1305EN Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tube 2002 no Obsolete 1 (Unlimited) 20 EAR99 6.5mm Non-RoHS Compliant Contains Lead 20-TSSOP (0.173, 4.40mm Width) SPI not_compliant 4.4mm Surface Mount -40°C~85°C CMOS 1.1mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1305 20 YES 0.65mm R-PDSO-G20 Timer or RTC Not Qualified 3/5V Alarm, Leap Year, NVSRAM, Trickle-Charger 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-8263-C7-32.768KHZ-20PPM-TA-QC RV-8263-C7-32.768KHZ-20PPM-TA-QC Micro Crystal 0.0000
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Min: 1

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0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 8-WCDFN I2C Surface Mount -40°C~85°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, Leap Year, RAM 0.9V~5.5V HH:MM:SS YY-MM-DD-dd 240nA @ 3V
RTC-4701NB:B3 ROHS RTC-4701NB:B3 ROHS EPSON 0.0000
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Min: 1

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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) 22-LFDFN 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 22-SON (5x6) 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd
PCF8523TS/1,112 PCF8523TS/1,112 NXP Semiconductors 0.0000
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Min: 1

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0.00000000 download 7 Weeks Tube 2003 Obsolete 1 (Unlimited) 14 5mm ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 4.4mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar DUAL NOT SPECIFIED 3V NOT SPECIFIED PCF8523 14 YES 0.65mm R-PDSO-G14 Timer or RTC Not Qualified 1.2/5.5V Alarm, Leap Year, Watchdog Timer 1.6V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd 0.5μA @ 2V~5V 1.8V~5.5V
RX-8035LC:B0 RX-8035LC:B0 EPSON 0.0000
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Min: 1

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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8035LC Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant 12 12-TFSOJ (0.094, 2.40mm Width) I2C, 2-Wire Serial 5.5V 2.4V Surface Mount -40°C~85°C Time Event Recorder Alarm 12-VSOJ Clock 2.4V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5μA @ 3V 1V~5.5V
DS1556WP-120IND DS1556WP-120IND Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2005 no Obsolete 3 (168 Hours) 34 EAR99 Non-RoHS Compliant Contains Lead 34-PowerCap™ Module Parallel not_compliant Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e0 TIN LEAD DUAL 240 3.3V NOT SPECIFIED DS1556 34 YES R-XDMA-U34 Timer or RTC Not Qualified 3.3V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 128KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V 3V
RTC-4543SA:B0 ROHS RTC-4543SA:B0 ROHS EPSON 0.0000
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Min: 1

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0.00000000 download Tape & Reel (TR) 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
X1227V8IZ-2.7A X1227V8IZ-2.7A Intersil Corporation 0.0000
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Min: 1

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0.00000000 1 EAR99 4.4mm RoHS Compliant compliant 3mm CMOS 1.2mm 8542.39.00.01 e3 MATTE TIN DUAL GULL WING 260 5V 40 8 INDUSTRIAL YES 0.65mm R-PDSO-G8 2.7V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1
MCP7940NT-E/SN MCP7940NT-E/SN Microchip Technology 0.0000
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Min: 1

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0.00000000 download 6 Weeks Tape & Reel (TR) 2012 Automotive, AEC-Q100 Active 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~125°C CMOS 1.75mm Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP7940N YES 1.27mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock TS 16949 64B 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO I2C 1 YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
DS1746W-120+ DS1746W-120+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2012 yes Active 1 (Unlimited) 32 EAR99 43.053mm ROHS3 Compliant Lead Free 32 32-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED DS1746 32 NO 2.54mm Timers or RTCs Not Qualified 3.3V Leap Year, NVSRAM, Y2K 128KB 2.97V~3.63V HH:MM:SS (24 hr) 8 SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V
1337GDCGI 1337GDCGI Renesas Electronics America 0.0000
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Min: 1

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0.00000000 download Tube Obsolete 1 (Unlimited) 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1337 Alarm, Leap Year, Square Wave Output 8-SOIC 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
R2051S03-E2-F R2051S03-E2-F Ricoh Electronic Devices Company 0.0000
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Min: 1

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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant
MCP795W22-I/ST MCP795W22-I/ST Microchip Technology 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount Tube 2011 Active 1 (Unlimited) 14 EAR99 5.1mm ROHS3 Compliant No 14 ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ 14-TSSOP (0.173, 4.40mm Width) SPI 1.05mm 4.5mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 5V 40 MCP795W22 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~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
RTC-4574NB:B3 ROHS RTC-4574NB:B3 ROHS EPSON 0.0000
RFQ

Min: 1

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0.00000000 download 13 Weeks Tape & Reel (TR) RTC-4574NB Active 1 (Unlimited) ROHS3 Compliant 22-LFDFN 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 22-SON (5x6) 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1μA~2μA @ 3V~5V
RTC-4553A2 RTC-4553A2 EPSON 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 14-SOIC (0.209, 5.30mm Width) 4-Wire Serial Surface Mount -30°C~70°C Clock/Calendar Leap Year, SRAM 120b 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 3μA @ 5V
RX-8803SA:UA PURE SN RX-8803SA:UA PURE SN EPSON 0.0000
RFQ

Min: 1

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0.00000000 download 13 Weeks RX-8803SA Active 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 HH:MM:SS YY-MM-DD 2.1μA~3.4μA @ 3V~5V
DS1685Q-3+ DS1685Q-3+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 8 Weeks Tube 2000 yes Obsolete 1 (Unlimited) 28 EAR99 11.505mm ROHS3 Compliant Lead Free 28-LCC (J-Lead) Parallel 11.505mm Surface Mount 0°C~70°C CMOS 4.57mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) QUAD 260 3V NOT SPECIFIED DS1685 28 YES 1.27mm S-PQCC-J28 Timer or RTC Not Qualified 3V Alarm, NVSRAM, Square Wave Output, Y2K 242B 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
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