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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 ECCN Code Max Operating Temperature Min Operating Temperature Operating Supply Voltage Length RoHS Status Lead Free 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 Number of Terminals Logic Function Access Time Memory Size Number of Bits 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 Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
ISL1208IRT8Z-TK ISL1208IRT8Z-TK Renesas Electronics America 0.0000
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0.00000000 download 8 Weeks Tape & Reel (TR) 2004 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant 8-WDFN Exposed Pad I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 0.85mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3V NOT SPECIFIED ISL1208 8 YES 0.65mm S-PDSO-N8 Alarm, Leap Year, SRAM 2B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
X1227S8I-2.7 X1227S8I-2.7 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Bulk 8 EAR99 85°C -40°C 4.89mm Non-RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial not_compliant 3.9mm CMOS 1.75mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 8 INDUSTRIAL 1.27mm R-PDSO-G8 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 YY-MM-DD-dd
DS1643P-70 DS1643P-70 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 34 25.019mm Non-RoHS Compliant 34-PowerCap™ Module Parallel unknown 23.495mm Surface Mount 0°C~70°C 2.3368mm Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 34 YES 1.27mm R-XDMA-U34 COMMERCIAL Leap Year, NVSRAM 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 3mA @ 5V 3V
1338A-31DVGI8 1338A-31DVGI8 Renesas Electronics America 0.0000
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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 Leap Year, NVSRAM, Square Wave Output 56b 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA @ 3.63V~5.5V 1.3V~3.7V
RX-8803LC:UB6 PURE SN RX-8803LC:UB6 PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks Tape & Reel (TR) RX-8803LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm 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
1337DCGI 1337DCGI Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount 2006 yes 1 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant No 8 SOIC 2-Wire, I2C, Serial 3.9mm CMOS 1.75mm e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 30 8 INDUSTRIAL 1.27mm Timer or RTC 2/5V 5.5V Clock HH:MM:SS (12/24 hr) SECONDS Y I2C 1 YY-MM-DD-dd
MCP79412-I/ST MCP79412-I/ST Microchip Technology 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2011 Active 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant No 8 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 5V 40 MCP79412 8 0.65mm Timers or RTCs 2/5V Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Clock 64B 1Kb 1.8V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y NO I2C YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
ISL12029IV30AZ ISL12029IV30AZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 Active 1 14 EAR99 85°C -40°C 3.3V 5mm RoHS Compliant No 14 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 4.4mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
RX-8571LC:B0PURESN RX-8571LC:B0PURESN EPSON 0.0000
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ISL12058IRUZ-T ISL12058IRUZ-T Rochester Electronics 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 8-UFDFN I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 8-μTDFN (2x2) 1.8V~3.6V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.65μA @ 1.8V
DS1248WP-120 DS1248WP-120 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 Obsolete 3 (168 Hours) 34 3.3V Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel 120GHz Surface Mount 0°C~70°C CMOS Phantom Time Chip DUAL 3V DS1248 34 Timer or RTC NVSRAM Clock 120 ns 128KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V 3V
DS1244WP-120IND DS1244WP-120IND Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 Obsolete 3 (168 Hours) 34 EAR99 3.3V Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel 120GHz Surface Mount -40°C~85°C CMOS 8542.39.00.01 Phantom Time Chip e0 TIN LEAD DUAL 240 3.3V DS1244 34 Timer or RTC Leap Year, NVSRAM Clock 120 ns 32KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V 3V
DS17487N-3 DS17487N-3 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2012 no Obsolete 1 (Unlimited) 24 EAR99 3V 31.75mm Non-RoHS Compliant Contains Lead No 24 24-DIP Module (0.600, 15.24mm) Parallel Through Hole -40°C~85°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 3V DS17487 24 2.54mm Timer or RTC 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 4KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
DS1743-85 DS1743-85 Maxim Integrated 0.0000
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0.00000000 download Through Hole Bulk 2009 no 28 EAR99 70°C 0°C 5V RoHS Compliant No 28 Parallel 5.5V 4.5V CMOS 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V COMMERCIAL 2.54mm Timer or RTC 5V Clock 8kB HH:MM:SS 8 0.032MHz SECONDS N NO YY-MM-DD-dd
RTC-4543SA:A0:ROHS RTC-4543SA:A0:ROHS EPSON 0.0000
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0.00000000 Surface Mount 85°C -40°C RoHS Compliant 14 SOIC Serial 5.5V Unknown 2.5V 338.011364mg Clock HH:MM:SS (24 hr) YY-MM-DD-dd
RX-8803SA:UB3PURESN RX-8803SA:UB3PURESN EPSON 0.0000
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0.00000000
ISL12082IB8Z-T ISL12082IB8Z-T Renesas Electronics America 0.0000
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0.00000000 download 3 Weeks Tape & Reel (TR) 2008 Active 1 (Unlimited) EAR99 ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed NOT SPECIFIED NOT SPECIFIED ISL12082 8 Alarm, Leap Year, Watchdog Timer 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
M41T93SMY6F M41T93SMY6F STMicroelectronics 0.0000
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0.00000000 download 25 Weeks ACTIVE (Last Updated: 7 months ago) Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 18 EAR99 11.61mm ROHS3 Compliant Lead Free No 18 18-SOX, 18-SOIC with Crystal (7.5mm Width) SPI 7.62mm Surface Mount -40°C~85°C CMOS 2.69mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 240 30 M41T93 18 1.27mm Timers or RTCs 3.3/5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 8 3V~5.5V HH:MM:SS:hh (24 hr) 5MHz 1/100SECOND Y 7 B 1 YY-MM-DD-dd 10μA @ 5.5V 1.8V~5.5V
M48T18-100PC1 M48T18-100PC1 STMicroelectronics 0.0000
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0.00000000 download 25 Weeks ACTIVE (Last Updated: 2 weeks ago) Through Hole Tube Timekeeper® Active 1 (Unlimited) 28 EAR99 5V 39.88mm ROHS3 Compliant Lead Free No 28 10 YEARS DATA RETENTION; ACCURACY 1 MIN/MONTH @ 25 DEGREE C; WRITE PROTECT VOLTAGE = 4.5V 28-DIP Module (0.600, 15.24mm) Parallel No SVHC 100GHz 8.89mm 18.34mm Through Hole 4.190003g 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 5V M48T18 28 2.54mm Timer or RTC Leap Year, Watchdog Timer Clock 100 ns 8kB 80mA 4.5V~5.5V HH:MM:SS (24 hr) 8184 SECONDS N NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
DS1556W-120 DS1556W-120 Maxim Integrated 0.0000
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0.00000000 download Tube 2005 Obsolete 1 (Unlimited) 32 EAR99 43.053mm Non-RoHS Compliant Contains Lead 32-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 10.922mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V NOT SPECIFIED DS1556 32 NO 2.54mm R-PDMA-P32 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
DS1689S DS1689S Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 no Obsolete 3 (168 Hours) 28 EAR99 18.1mm Non-RoHS Compliant Contains Lead No 28 CAN ALSO OPERATE WITH 5V SUPPLY 28-SOIC (0.295, 7.50mm Width) Parallel 8.565mm Surface Mount 0°C~70°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 3V 20 DS1689 28 1.27mm Timer or RTC 3/5V NVSRAM Clock 114B 16 2.7V~3.3V 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 3V 3mA @ 5V 2.5V~3.7V
ISL12027IV27AZ-T ISL12027IV27AZ-T Rochester Electronics 0.0000
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0.00000000 download Tape & Reel (TR) 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, 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
PCA8565TS/S430/1,5 PCA8565TS/S430/1,5 NXP Semiconductors 0.0000
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0.00000000
X1288S16-4.5A X1288S16-4.5A Intersil 0.0000
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0.00000000
X1227V8IZ-2.7 X1227V8IZ-2.7 Intersil Corporation 0.0000
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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
X1227S8Z-2.7 X1227S8Z-2.7 Intersil Corporation 0.0000
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0.00000000 1 EAR99 4.9022mm RoHS Compliant compliant 3.9116mm CMOS 1.7272mm 8542.39.00.01 e3 MATTE TIN DUAL GULL WING 260 5V 40 8 COMMERCIAL YES 1.27mm R-PDSO-G8 2.7V 70°C Timer or RTC Not Qualified 3/5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1
DS1670S DS1670S Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 20-SOIC (0.295, 7.50mm Width) 3-Wire Serial Surface Mount 0°C~70°C Portable System Controller Alarm, Leap Year, Watchdog Timer 20-SOIC 2.97V~3.63V HH:MM:SS (12/24 hr) YY-MM-DD-dd 100μA @ 3.3V 2.5V~3.7V
X1227V8I-4.5A X1227V8I-4.5A Intersil 0.0000
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0.00000000
ISL12027IVZ ISL12027IVZ Renesas Electronics America 0.0000
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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 ISL12027 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
ISL12027IB30AZ-T ISL12027IB30AZ-T Rochester Electronics 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer 8-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
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