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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 Contact Plating Radiation Hardening Number of Pins Additional Feature Package / Case Interface Max Supply Voltage Reach Compliance Code Min Supply Voltage Density Frequency Height Width Thickness Mounting Type Weight Operating Temperature Technology Height Seated (Max) HTS Code Type JESD-609 Code Terminal Finish Terminal Position 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Supplier Device Package Logic Function Access Time Accuracy Screening Level Memory Size Number of Bits Voltage - Supply Time Format External Data Bus Width Data Bus Width Clock Frequency Time-Min Interrupt Capability Volatile Information Access Method Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
RX-8035SA:AA PURE SN RX-8035SA:AA PURE SN EPSON 0.0000
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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
ISL12026AIBZ ISL12026AIBZ Intersil (Renesas Electronics America) 3.5918
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0.00000000 download 12 Weeks Surface Mount 2010 Active 1 (Unlimited) 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant No 8 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 3.9mm CMOS 1.75mm e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 30 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
ISL12029IV30AZ ISL12029IV30AZ Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12029 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
ISL12026IVZ ISL12026IVZ Renesas Electronics America 0.0000
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0.00000000 download 7 Weeks Tube 2010 Active 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3.3V NOT SPECIFIED ISL12026 8 YES 0.65mm R-PDSO-G8 Alarm, Leap Year 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
RX-4571SA:B3 PURE SN RX-4571SA:B3 PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-4571SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.209, 5.30mm Width) 3-Wire Serial 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 0.95μA~1μA @ 3V~5V
DP8570AVX/NOPB DP8570AVX/NOPB Texas Instruments 0.0000
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0.00000000 6 Weeks ACTIVE (Last Updated: 1 week ago) Surface Mount Tape & Reel (TR) yes Active 2A (4 Weeks) 28 EAR99 5V 11.51mm ROHS3 Compliant Contains Lead No 28 4 PROGRAMMABLE MODES FOR TIMER; 4 SELECTABLE OSCILLATOR FREQUENCIES 28-LCC (J-Lead) Parallel 4.57mm 11.51mm 4.06mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Timer Clock Peripheral (TCP) e3 Matte Tin (Sn) QUAD 245 5V DP8570 28 1.27mm Timer or RTC Alarm, Leap Year Clock 44B 16 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 10MHz 1/100SECOND Y YES 2 YY-MM-DD-dd 1μA @ 5V 2.2V~5.1V
X1227S8-4.5A X1227S8-4.5A Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1227 Alarm, Leap Year, Supervisor, Watchdog Timer 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
DS1743-100 IND DS1743-100 IND Maxim Integrated 0.0000
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0.00000000 download Tube 2012 Obsolete 1 (Unlimited) 28 EAR99 38.225mm Non-RoHS Compliant 28-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole -40°C~85°C CMOS 10.67mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1743 28 NO 2.54mm R-XDMA-P28 Timer or RTC Not Qualified 5V Leap Year, NVSRAM, Y2K 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V
1337CSRI 1337CSRI Renesas Electronics America 0.0000
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0.00000000 Last Time Buy 1 (Unlimited) 16-SOIC (0.295, 7.50mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V 1.3V~3.7V
MCP79400-I/ST MCP79400-I/ST Microchip Technology 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2007 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 2.5V 40 MCP79400 8 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Clock TS 16949 64B 1.8V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 1.2μA Typ @ 3.3V 1.3V~5.5V
RX-5412SF:B3 PURE SN RX-5412SF:B3 PURE SN EPSON 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) 24-SOP (0.213, 5.40mm Width) SPI Surface Mount -40°C~85°C Time Event Recorder Alarm, Leap Year, SRAM, Watchdog Timer 2.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1μA @ 3V~5V 1.4V~5.5V
DS1643P-70+ DS1643P-70+ Maxim Integrated 0.0000
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0.00000000 download Tube 2010 Obsolete 3 (168 Hours) 34 EAR99 ROHS3 Compliant Lead Free 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1643 34 YES R-XDMA-U34 Timer or RTC Not Qualified 5V Leap Year, NVSRAM 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V 3V
DS1501YEN+ DS1501YEN+ Maxim Integrated 0.0000
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0.00000000 download Tray 2002 yes Obsolete 3 (168 Hours) 28 EAR99 11.8mm ROHS3 Compliant Lead Free 28 28-TSSOP (0.465, 11.80mm Width) Parallel 8mm Surface Mount -40°C~85°C CMOS 1.2mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS1501 28 YES 0.55mm Timers or RTCs Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 256B 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
DS1685-3 DS1685-3 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 24 31.75mm Non-RoHS Compliant 24-DIP (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 5.08mm Clock/Calendar e0 TIN LEAD DUAL 240 3V 20 24 NO 2.54mm R-PDIP-T24 COMMERCIAL Alarm, NVSRAM, Square Wave Output, Y2K 242B 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
BQ3285ESSTR BQ3285ESSTR Rochester Electronics 0.0000
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0.00000000 Tape & Reel (TR) yes Obsolete 2 (1 Year) 24 8.65mm ROHS3 Compliant 24-SSOP (0.154, 3.90mm Width) Parallel 3.9mm Surface Mount 0°C~70°C CMOS 1.75mm Clock/Calendar e4 NICKEL PALLADIUM GOLD DUAL 260 5V NOT SPECIFIED 24 YES 0.635mm R-PDSO-G24 COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 300μA @ 5V 2.5V~4V
DS1254WB-150 DS1254WB-150 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tray 2009 Obsolete 4 (72 Hours) 3.3V Non-RoHS Compliant Contains Lead No 168 168-BGA Parallel 16 Mb 150GHz Surface Mount 0°C~70°C Phantom Time Chip DS1254 Leap Year, NVSRAM 150 ns 2MB 3V~3.7V HH:MM:SS:hh (12/24 hr) 8b YY-MM-DD-dd 7mA @ 3.3V 3V
ISL12029IB27Z ISL12029IB27Z Renesas Electronics America 0.0000
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0.00000000 download Tube 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 ISL12029 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
ISL12025IVZ ISL12025IVZ Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) EAR99 ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar ISL12025 Alarm, Leap Year, Supervisor, Unique ID, 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
MCP7940NT-I/ST MCP7940NT-I/ST Microchip Technology 0.0000
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0.00000000 download 5 Weeks Surface Mount Tape & Reel (TR) 2011 Automotive, AEC-Q100 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 2.5V 40 MCP7940N 8 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock 64B 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd 1.2μA @ 3.3V 1.5V~5.5V
R2025S-E2-F R2025S-E2-F Ricoh Electronic Devices Company 0.0000
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0.00000000 RoHS Compliant Lead Free SOP Clock
PCF2127T/1,512 PCF2127T/1,512 NXP Semiconductors 0.0000
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0.00000000
PCF8583T/F5,118 PCF8583T/F5,118 NXP Semiconductors 0.0000
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RX-4803SA:UB3 PURE SN RX-4803SA:UB3 PURE SN EPSON 0.0000
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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
PCF2129AT/1,518 PCF2129AT/1,518 NXP Semiconductors 0.0000
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0.00000000 download Tape & Reel (TR) 2003 Obsolete 3 (168 Hours) 20 ROHS3 Compliant 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 MATTE TIN DUAL NOT SPECIFIED NOT SPECIFIED PCF2129 20 YES 1.27mm R-PDSO-G20 Timers or RTCs Not Qualified 2/4V Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer 1.8V~4.2V HH:MM:SS (12/24 hr) SECONDS Y YES SERIAL, 4 WIRE/SPI YY-MM-DD-dd 1.5μA @ 3.3V 1.8V~4.2V
M41ST84WMQ6F M41ST84WMQ6F STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 1 (Unlimited) 16 EAR99 3.3V 9.9mm ROHS3 Compliant Lead Free 16 16-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 3V 30 M41ST 16 1.27mm Timer or RTC Not Qualified Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer Clock 44B 2.7V~3.6V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y YES I2C 1 YY-MM-DD-dd 0.5mA @ 2.7V~3.6V 2.5V~3.5V
5T90008CPII 5T90008CPII Integrated Device Technology (IDT) 0.0000
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0.00000000 Surface Mount no 1 20 EAR99 85°C -40°C 12.8mm RoHS Compliant Tin 7.5mm CMOS 2.65mm 8542.39.00.01 e3 DUAL NOT SPECIFIED 3.3V NOT SPECIFIED 20 INDUSTRIAL 1.27mm R-PDSO-G20 2.3V Timer or RTC Not Qualified 2.5/5V 5.5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C
PCF85163TS/1,118 PCF85163TS/1,118 NXP Semiconductors / Freescale 0.0000
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0.00000000 RoHS Compliant Lead Free
S-35190A-I8T1U S-35190A-I8T1U Seiko 0.0000
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0.00000000
RX4901CE XB B06 RX4901CE XB B06 EPSON 0.0000
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0.00000000
ISL12022IBZ ISL12022IBZ Intersil (Renesas Electronics America) 0.0000
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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
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