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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 SVHC Reach Compliance Code Min Supply Voltage Frequency Height Width Mounting Type Operating Temperature Technology Height Seated (Max) HTS Code Number of Functions Nominal Supply Current 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) Number of Channels Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Number of Outputs Feature Adjustable Threshold Supplier Device Package Number of Terminals Logic Function Access Time Accuracy Memory Size Number of Bits 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
ISL12020MIRZ-T ISL12020MIRZ-T Intersil (Renesas Electronics America) 4.1897
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0.00000000 download 9 Weeks Surface Mount Tape & Reel 2008 Active 1 (Unlimited) 20 EAR99 85°C -40°C 5.5mm RoHS Compliant Tin No 20 DFN 2-Wire, I2C, Serial 5.5V 2.7V 4mm CMOS 8542.39.00.01 e3 DUAL 260 3V 20 INDUSTRIAL 0.5mm Timers or RTCs 3/5V Clock 0.0005 % 128B HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
DS1501YS+ DS1501YS+ Maxim Integrated 0.0000
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0.00000000 download Tube 2013 yes Obsolete 1 (Unlimited) 28 EAR99 18.1mm ROHS3 Compliant Lead Free 28-SOIC (0.295, 7.50mm Width) Parallel 8.565mm Surface Mount 0°C~70°C CMOS 3.05mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1501 28 YES 1.27mm R-PDSO-G28 Timer or RTC 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
DS14285S DS14285S Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 no Obsolete 1 (Unlimited) 24 EAR99 5V 15.415mm Non-RoHS Compliant Contains Lead No 24 24-SOIC (0.295, 7.50mm Width) Parallel 7.51mm Surface Mount 0°C~70°C CMOS 2.68mm 8473.30.11.80 Clock/Calendar e0 TIN LEAD DUAL 245 5V DS14285 24 1.27mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 114B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 0.5μA @ 4.5V~5.5V 2.5V~3.6V
DS1374C-3# DS1374C-3# Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2002 yes Active 1 (Unlimited) 16 EAR99 10.3mm ROHS3 Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial not_compliant 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8473.30.11.80 1 Binary Counter e3 MATTE TIN DUAL 260 3V NOT SPECIFIED DS1374 16 YES 1.27mm R-PDSO-G16 2.7V 1 Not Qualified 3.3V Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer NO 2.7V~3.3V Binary 125μA @ 2.7V~3.3V 1.3V~3.7V
X1286A8 X1286A8 Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-SOIC (0.209, 5.30mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1286 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
ISL12026IBZ-T7A ISL12026IBZ-T7A Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tape & Reel (TR) 2010 Active 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12026 8 Alarm, Leap Year 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
X1288V14-4.5A X1288V14-4.5A Intersil 0.0000
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IDT1338C-31SRI8 IDT1338C-31SRI8 Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2006 85°C -40°C Non-RoHS Compliant 16 SOIC 2-Wire, I2C, Serial 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd
X1228V14I-4.5A X1228V14I-4.5A Intersil 0.0000
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X1227V8Z-4.5A X1227V8Z-4.5A 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 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
RX-8571LC:B0 PURE SN RX-8571LC:B0 PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks Tape & Reel (TR) RX-8571LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, RAM 12-VSOJ 16B 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.55μA~0.6μA @ 3V~5V
ISL12025IBZ-T ISL12025IBZ-T Intersil 0.0000
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X1227S8IZ-2.7AT1 X1227S8IZ-2.7AT1 Renesas Electronics America 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 X1227 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
ISL12020MIRZ ISL12020MIRZ Intersil 0.0000
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ISL12058IRUZ-T ISL12058IRUZ-T Intersil 0.0000
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MCP795B20T-I/ST MCP795B20T-I/ST Microchip Technology 0.0000
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0.00000000 download Tape & Reel (TR) 2011 Obsolete 1 (Unlimited) 14 EAR99 5mm ROHS3 Compliant ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ 14-TSSOP (0.173, 4.40mm Width) SPI 4.4mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN (SN) DUAL 5V MCP795B20 14 YES 0.65mm R-PDSO-G14 Timer or RTC Not Qualified 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer 64B 8 1.8V~5.5V HH:MM:SS:hh (12/24 hr) 10MHz 1/100SECOND Y NO YY-MM-DD-dd 1μA @ 1.8V~5.5V 1.3V~5.5V
X1288V14I-2.7AT1 X1288V14I-2.7AT1 Intersil Corporation 0.0000
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0.00000000 1 EAR99 5mm Non-RoHS Compliant not_compliant 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 240 5V 30 14 INDUSTRIAL YES 0.65mm R-PDSO-G14 2.7V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V 14 TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1
RX-8025SA:AA PURE SN RX-8025SA:AA PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RX-8025SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
DS1557WP-120 DS1557WP-120 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 34 Non-RoHS Compliant 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C Clock/Calendar e0 TIN LEAD DUAL 240 3.3V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 512KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 4mA @ 3.3V 3V
ISL12027IBAZ ISL12027IBAZ Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12027 8 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
DS1337U+ DS1337U+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2006 yes Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Contains Lead 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1337 8 YES 0.65mm Timer or RTC Not Qualified 1.5/5V 2 Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y YES I2C 1 YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
RV-3049-C3-32.768KHZ-OPTION-B-TB-QA RV-3049-C3-32.768KHZ-OPTION-B-TB-QA Micro Crystal 0.0000
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0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-VCDFN SPI, 4-Wire Serial Surface Mount -40°C~125°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, NVRAM, RAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
BQ3285LSS BQ3285LSS Rochester Electronics 0.0000
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0.00000000 Tube yes Obsolete 3 (168 Hours) 24 Non-RoHS Compliant 24-SSOP (0.154, 3.90mm Width) Parallel Surface Mount CMOS Clock/Calendar e0 TIN LEAD DUAL NOT SPECIFIED 3.15V NOT SPECIFIED COMMERCIAL YES R-PDSO-G24 70°C COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B 2.7V~3.6V HH:MM:SS (12/24 hr) 8 1 YY-MM-DD-dd 2.4V~4V
RV-3129-C3-32.768KHZ-OPTION-A-TA-QC RV-3129-C3-32.768KHZ-OPTION-A-TA-QC Micro Crystal 0.0000
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0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-VCDFN I2C, 2-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, EEPROM, NVRAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
DS1744WP-120 DS1744WP-120 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 34 Non-RoHS Compliant A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C Clock/Calendar e0 TIN LEAD DUAL 240 3.3V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL Leap Year, NVSRAM, Y2K 32KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 2mA @ 3.3V 3V
DS1390U-3 DS1390U-3 Maxim Integrated 0.0000
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0.00000000 download 2008 no 1 10 EAR99 3mm Non-RoHS Compliant 10 not_compliant 3mm CMOS 1.1mm 8473.30.11.80 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 240 3V 20 10 INDUSTRIAL YES 0.5mm 2.7V 85°C -40°C Timer or RTC Not Qualified 3V 3.3V TIMER, REAL TIME CLOCK 0.032MHz Y YES SERIAL, 3-WIRE 1
DS1343E-33+ DS1343E-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 20 EAR99 3.3V 6.5mm ROHS3 Compliant No 20 20-TSSOP (0.173, 4.40mm Width) SPI Unknown 4.4mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1343 20 0.65mm Timers or RTCs Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger Clock 96B 3V~5.5V HH:MM:SS (12/24 hr) 4MHz SECONDS Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 120μA~160μA @ 3.63V~5.5V 1.3V~5.5V
DS1685QN-3 DS1685QN-3 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 Obsolete 1 (Unlimited) 28 EAR99 3V 11.505mm Non-RoHS Compliant Contains Lead No 28 28-LCC (J-Lead) Parallel 11.505mm Surface Mount -40°C~85°C CMOS 4.57mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) QUAD 3V DS1685 28 1.27mm Timer or RTC 3V Alarm, NVSRAM, Square Wave Output, Y2K Clock 242B 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS YES 1 YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
DS1340Z-18 DS1340Z-18 Maxim Integrated 0.0000
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0.00000000 download Tube 2002 yes Obsolete 1 (Unlimited) 8 EAR99 4.9mm Non-RoHS Compliant Contains Lead 8-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 e3 Matte Tin (Sn) DUAL 260 1.8V NOT SPECIFIED DS1340 8 YES 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 1.8V Leap Year, Trickle-Charger 1.71V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO I2C YY-MM-DD-dd 100μA @ 1.89V 1.3V~3.7V
M48T12-70PC1 M48T12-70PC1 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) 24 EAR99 5V 34.8mm ROHS3 Compliant Lead Free No 24 24-DIP Module (0.600, 15.24mm) Parallel No SVHC 70GHz 8.89mm 18.34mm Through Hole 0°C~70°C CMOS 80mA Clock/Calendar e3 Matte Tin (Sn) DUAL 5V M48T12 24 2.54mm Timer or RTC 5V 8 Leap Year Clock 100 ns 15.6kB 4.5V~5.5V HH:MM:SS (24 hr) 2040 SECONDS N NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
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