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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 Height Width Mounting Type Weight Operating Temperature Technology Height Seated (Max) HTS Code Nominal Supply Current 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) Number of Outputs Feature Supplier Device Package Logic Function Access Time Screening Level Memory Size Function Number of Bits Voltage - Supply Time Format External 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
DS1672-2 DS1672-2 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 8 9.375mm Non-RoHS Compliant 8-DIP (0.300, 7.62mm) I2C, 2-Wire Serial 7.62mm Through Hole -40°C~85°C 4.572mm Binary Counter e0 TIN LEAD DUAL 240 2V 20 8 NO 2.54mm R-PDIP-T8 COMMERCIAL Trickle-Charger 1.8V~2.2V Binary 0.032MHz I2C 500μA @ 2.2V 1.3V~3.63V
ISL12027IB27Z ISL12027IB27Z Renesas Electronics America 0.0000
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0.00000000 download Tube 2018 Obsolete 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 NOT SPECIFIED NOT SPECIFIED 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
DS1315S-5+ DS1315S-5+ Maxim Integrated 0.0000
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0.00000000 download 8 Weeks Surface Mount Tube 2011 yes Active 1 (Unlimited) 16 EAR99 5V 10.5mm ROHS3 Compliant Lead Free No 16 16-SOIC (0.295, 7.50mm Width) Parallel Unknown 2.35mm 7.6mm Surface Mount 0°C~70°C CMOS 8542.39.00.01 Phantom Time Chip e3 Matte Tin (Sn) DUAL 260 5V 30 DS1315 16 1.27mm Timer or RTC 5V Leap Year Clock 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND N YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 1.3mA @ 5V 2.5V~3.7V
Q414543510001RTC-4543SA Q414543510001RTC-4543SA EPSON 0.0000
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0.00000000 download 85°C -40°C RoHS Compliant 14 SOP Serial 5.5V Unknown 2.5V
M41T93ZQA6F M41T93ZQA6F STMicroelectronics 0.0000
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0.00000000 download 10 Weeks ACTIVE (Last Updated: 7 months ago) Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 16 EAR99 4mm ROHS3 Compliant Lead Free No 16 16-VQFN Exposed Pad SPI 4mm Surface Mount -40°C~85°C CMOS 1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed QUAD 260 3V 40 M41T93 16 0.65mm Timers or RTCs 2.4/5.5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 8 2.38V~5.5V HH:MM:SS:hh (24 hr) 10MHz 1/100SECOND Y 7 B 1 YY-MM-DD-dd 10μA @ 5.5V 1.8V~5.5V
MCP79402-I/MS MCP79402-I/MS Microchip Technology 0.0000
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0.00000000 download 7 Weeks Surface Mount Tube 2011 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free No 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) - annealed DUAL 260 2.5V 40 MCP79402 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
DS1746WP-120IND DS1746WP-120IND Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 34 Non-RoHS Compliant 34-PowerCap™ Module Parallel unknown Surface Mount -40°C~85°C Clock/Calendar e0 TIN LEAD DUAL 240 3.3V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL Leap Year, NVSRAM, Y2K 128KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 2mA @ 3.3V 3V
BQ3287MT-SB2 BQ3287MT-SB2 Texas Instruments 0.0000
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0.00000000 Through Hole no 24 EAR99 70°C 0°C 5V 33.72mm RoHS Compliant Contains Lead Tin No 24 DIP Parallel 5.5V No SVHC 4.5V 9.52mm 18.42mm CMOS DUAL 5V 24 COMMERCIAL Timer or RTC 5V 2 Clock 114B HH:MM:SS (12/24 hr) SECONDS Y NO 1 YY-MM-DD-dd
CDP68HC68T1M96 CDP68HC68T1M96 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) 2001 Obsolete 1 (Unlimited) Non-RoHS Compliant 20-SOIC (0.295, 7.50mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar CDP68HC68T1 Alarm, Leap Year, Square Wave Output, Watchdog Timer 32B 3V~6V HH:MM:SS (12/24 hr) YY-MM-DD-dd 20μA~500μA @ 5V 2.2V~6V
RV-3029-C3-32.768KHZ-OPTION-A-TB-QA RV-3029-C3-32.768KHZ-OPTION-A-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 I2C, 2-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
X1227S8-2.7 X1227S8-2.7 Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount 1 8 EAR99 70°C 0°C 4.9022mm Non-RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial not_compliant 3.9116mm CMOS 1.7272mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 40 8 COMMERCIAL 1.27mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V 3.9kB HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
M41ST87WSS6F M41ST87WSS6F STMicroelectronics 0.0000
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0.00000000 download 15 Weeks ACTIVE (Last Updated: 7 months ago) Surface Mount Tape & Reel (TR) Active 3 (168 Hours) 28 EAR99 7.5mm ROHS3 Compliant Lead Free Tin No 20 20-SSOP (0.209, 5.30mm Width) I2C, 2-Wire Serial No SVHC 1.85mm 5.6mm Surface Mount 453.59237mg -40°C~85°C CMOS 8542.39.00.01 500nA Clock/Calendar e3 DUAL 260 3V M41ST 28 0.65mm R-PDSO-G28 Timers or RTCs 3/3.3V Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer Clock 8 2.7V~3.6V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y I2C 128 B 1 YY-MM-DD-dd 0.5mA @ 2.7V~3.6V 2.5V~3.6V
DS1685EN-3+ DS1685EN-3+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2000 yes Active 1 (Unlimited) 24 EAR99 7.8mm ROHS3 Compliant Lead Free 24 24-TSSOP (0.173, 4.40mm Width) Parallel 4.4mm Surface Mount -40°C~85°C CMOS 1.1mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3V NOT SPECIFIED DS1685 24 YES 0.65mm 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
DS1558W-TRL DS1558W-TRL Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2009 Obsolete 3 (168 Hours) 48 EAR99 7mm Non-RoHS Compliant Contains Lead, Lead Free 48-LQFP Parallel not_compliant 7mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) QUAD 245 3.3V NOT SPECIFIED DS1558 48 YES 0.5mm S-PQFP-G48 Timer or RTC Not Qualified 3.3V Alarm, Leap Year, Watchdog Timer, Y2K 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 2mA @ 3.3V 2.5V~3.7V
ISL12024IBZ ISL12024IBZ Renesas Electronics America 0.0000
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0.00000000 download 7 Weeks Tube 1999 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) NOT SPECIFIED NOT SPECIFIED ISL12024 8 Alarm, Leap Year, Unique ID 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
BQ4845YS-A4N BQ4845YS-A4N Texas Instruments 0.0000
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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 28 EAR99 5V 18mm ROHS3 Compliant Lead Free Gold No 28 28-SOIC (0.295, 7.50mm Width) Parallel 2.35mm 7.52mm Surface Mount 730.794007mg -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e4 DUAL 260 5V BQ4845 28 1.27mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Clock 4.5V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.3V~4V
DS1642-100 DS1642-100 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2005 no Obsolete 1 (Unlimited) 24 EAR99 5V 37.85mm Non-RoHS Compliant Contains Lead No 24 24-DIP Module (0.600, 15.24mm) Parallel Unknown 78.51mm 17.78mm Through Hole 0°C~70°C CMOS 8473.30.11.80 50mA Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V DS1642 2.54mm Timer or RTC 5V Leap Year, NVSRAM Clock 100 ns 2KB 4.5V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V
ISL12028AIB27Z-T ISL12028AIB27Z-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel 2005 Active 2 14 EAR99 85°C -40°C 3.3V 8.65mm RoHS Compliant No SOIC 2-Wire, I2C, Serial 5.5V 2.7V 3.9mm CMOS 1.75mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 3.3V 14, 14 INDUSTRIAL 1.27mm R-PDSO-G14 Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
X1288S16I-4.5AT1 X1288S16I-4.5AT1 Intersil 0.0000
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0.00000000
DS1340Z-3+T&R DS1340Z-3+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 85°C -40°C 3V ROHS3 Compliant Lead Free Tin No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.3V 2.7V Surface Mount -40°C~85°C Clock/Calendar DS1340 Leap Year, Trickle-Charger 8-SOIC Clock 2.7V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 125μA @ 3.3V 1.3V~3.7V
DS1677E DS1677E Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2009 no Obsolete 1 (Unlimited) 20 EAR99 5V 6.5mm Non-RoHS Compliant Contains Lead No 20 3-CHANNEL, 8-BIT ADC 20-TSSOP (0.173, 4.40mm Width) 3-Wire Serial 4.4mm Surface Mount 0°C~70°C CMOS 1.1mm 8542.31.00.01 Portable System Controller e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1677 20 0.65mm Timer or RTC 5V Alarm, Leap Year, Watchdog Timer Clock 4.5V~5.5V HH:MM:SS (12/24 hr) 1 0.032MHz SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 300μA @ 5V 2.5V~3.7V
RTC-7301SF-B ROHS RTC-7301SF-B ROHS Epson America, Inc 0.0000
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0.00000000 download LTB Yes with exemptions 24 Clock/Calendar/Alarm/Timer/Interrupt HH:MM:SS YY:MM:DD
DS1685E-5+T&R DS1685E-5+T&R Maxim Integrated 0.0000
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0.00000000 download 15 Weeks Surface Mount Tape & Reel (TR) 2000 Active 1 (Unlimited) 70°C 0°C 5V ROHS3 Compliant Lead Free No 24 24-TSSOP (0.173, 4.40mm Width) Parallel 5.5V 4.5V Surface Mount 0°C~70°C Clock/Calendar DS1685 Alarm, NVSRAM, Square Wave Output, Y2K 24-TSSOP Clock 242B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
DS1683S+ DS1683S+ Maxim Integrated 0.0000
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0.00000000 download 9 Weeks Surface Mount Tube 2012 Active 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant Tin No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Unknown 3.9mm Surface Mount 506.605978mg -40°C~85°C CMOS 1.75mm Elapsed Time Counter DUAL DS1683 1.27mm Timers or RTCs 3/5V Alarm, EEPROM Clock 16B 2.5V~5.5V Binary 0.4MHz SECONDS Y NO I2C
RX-4803SA:UAB PURE SN RX-4803SA:UAB PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks 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 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 2.1μA~3.4μA @ 3V~5V
DS1682S DS1682S Maxim Integrated 0.0000
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0.00000000 download Tube 2002 no Obsolete 1 (Unlimited) 8 EAR99 4.9mm Non-RoHS Compliant Contains Lead 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial not_compliant 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Elapsed Time Counter e0 Tin/Lead (Sn/Pb) DUAL 245 3V NOT SPECIFIED DS1682 8 YES 1.27mm Timers or RTCs Not Qualified 3/5V Alarm, EEPROM 10B 2.5V~5.5V Binary 0.4MHz SECONDS Y NO SERIAL, 2-WIRE/I2C 4μA~15μA @ 3V~5.5V
DS1344E-33+ DS1344E-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 DUAL 3.3V DS1344 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
DS1511Y DS1511Y Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2004 no Obsolete 1 (Unlimited) 28 EAR99 5V 38.862mm Non-RoHS Compliant Contains Lead No 28 28-DIP Module (0.600, 15.24mm) Parallel Unknown 15.24mm Through Hole 0°C~70°C CMOS 9.398mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V DS1511 28 2.54mm Timer or RTC 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Clock 256B 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
DS1556-70 DS1556-70 Maxim Integrated 0.0000
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0.00000000 download Tube 2005 yes 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 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1556 32 NO 2.54mm R-PDMA-P32 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 128KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V
DS1339C-2 DS1339C-2 Maxim Integrated 0.0000
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0.00000000 Surface Mount no 1 16 EAR99 85°C -40°C 2V 10.3mm RoHS Compliant No 16 SOIC 2-Wire, I2C, Serial 2.2V 1.8V 7.5mm CMOS 2.65mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 2V 20 16 INDUSTRIAL 1.27mm Clock HH:MM:SS 0.032MHz I2C 1 YY-MM-DD-dd
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