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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 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Supplier Device Package Logic Function Access Time Memory Size Function Supply Current-Max Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
ISL12021CVZ ISL12021CVZ 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 -20°C~70°C Clock/Calendar ISL12021 Alarm, Daylight Savings, Leap Year, SRAM 14-TSSOP 128B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5.5μA~6.5μA @ 3V~5V 1.8V~5.5V
DS1390U-18+ DS1390U-18+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 10 EAR99 1.8V 3mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 1.8V 30 DS1390 10 0.5mm Timers or RTCs Alarm, Leap Year, Square Wave Output, Trickle-Charger Clock 1.71V~1.89V HH:MM:SS:hh (12/24 hr) 0.032MHz Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 100μA @ 1.71V~1.89V 1.3V~3.7V
X1227S8ZT1 X1227S8ZT1 Intersil 0.0000
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X1227S8IZ X1227S8IZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 1 8 EAR99 85°C -40°C 4.9022mm RoHS Compliant Lead Free SOIC 2-Wire, I2C, Serial 3.9116mm CMOS 1.7272mm 8542.39.00.01 e3 MATTE TIN DUAL 260 5V 40 8 INDUSTRIAL 1.27mm R-PDSO-G8 4.5V Timer or RTC Not Qualified 5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
DS17285SN-5 DS17285SN-5 Maxim Integrated 0.0000
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0.00000000 download Tube 2010 Obsolete 1 (Unlimited) 24 EAR99 17.9mm Non-RoHS Compliant Contains Lead 24 24-SOIC (0.295, 7.50mm Width) Parallel not_compliant 7.5mm Surface Mount -40°C~85°C CMOS 2.67mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 245 5V NOT SPECIFIED DS17285 24 YES 1.27mm Timer or RTC Not Qualified 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
ISL12027IB30AZ ISL12027IB30AZ Renesas Electronics America 0.0000
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0.00000000 download Tube 2010 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
ISL12022MIBZ-T7A ISL12022MIBZ-T7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel 2007 1 (Unlimited) 20 85°C -40°C RoHS Compliant No 20 SOIC 2-Wire, I2C, Serial e3 Matte Tin (Sn) - annealed DUAL INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock 128B HH:MM:SS (12/24 hr) SECONDS Y NO SERIAL, 2 WIRE/I2C YY-MM-DD-dd
ISL12028IB27AZ-T ISL12028IB27AZ-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 260 3.3V 40 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
DS1554W-120IND+ DS1554W-120IND+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Through Hole Tube 2003 yes Active 1 (Unlimited) 32 EAR99 3.3V 43.053mm ROHS3 Compliant Lead Free Tin No 32 32-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole -40°C~85°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 DUAL 3.3V DS1554 32 2.54mm Timer or RTC Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 32KB 2.97V~3.63V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V
DS1642-85+ DS1642-85+ Maxim Integrated 0.0000
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0.00000000 download Tube 2010 yes Obsolete 1 (Unlimited) 24 EAR99 ROHS3 Compliant 24-DIP Module (0.600, 15.24mm) Parallel not_compliant Through Hole 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 MATTE TIN DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1642 24 NO 2.54mm R-PDMA-P24 Timer or RTC Not Qualified 5V Leap Year, NVSRAM 2KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V
DS12885SN DS12885SN Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2006 no Obsolete 1 (Unlimited) 24 EAR99 5V 17.9mm Non-RoHS Compliant Contains Lead No 24 24-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount -40°C~85°C CMOS 2.67mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 245 5V DS12885 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 NO 1 YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
RX-4045NB:AAB PURE SN RX-4045NB:AAB PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RX-4045NB Active 1 (Unlimited) ROHS3 Compliant 22-LFDFN 4-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm 1.7V~5.5V HH:MM:SS YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
DS1337S/T&R DS1337S/T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2012 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar DS1337 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
S-35390A-J8T1G S-35390A-J8T1G Seiko 0.0000
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0.00000000
PT7C4311WEX PT7C4311WEX Pericom 0.0000
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0.00000000
X1226V8T1 X1226V8T1 Intersil 0.0000
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0.00000000
RX-4575LC:B3 RX-4575LC:B3 EPSON 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 1 (Unlimited) 85°C -40°C RoHS Compliant 12 12-TFSOJ (0.094, 2.40mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 12-VSOJ 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.7μA~0.9μA @ 3V~5V
M48T59Y-70MH6E M48T59Y-70MH6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Timekeeper® Obsolete 1 (Unlimited) 28 EAR99 18.1mm ROHS3 Compliant Lead Free 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets Parallel 70GHz 8.56mm Surface Mount -40°C~85°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar DUAL 260 5V 10 M48T59 28 1.27mm R-PDSO-G28 Timer or RTC Not Qualified 5V Alarm, Leap Year, Watchdog Timer Clock 70 ns 62.5kB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
DS1743W-120IND+ DS1743W-120IND+ Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2011 yes Obsolete 1 (Unlimited) 28 EAR99 3.3V 38.225mm ROHS3 Compliant Lead Free No 28 28-DIP Module (0.600, 15.24mm) Parallel Unknown 15.24mm Through Hole -40°C~85°C CMOS 10.67mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V DS1743 28 2.54mm Timers or RTCs Leap Year, NVSRAM, Y2K Clock 8KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V
DS1391U-18+ DS1391U-18+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 10 EAR99 1.8V 3mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 1.8V 30 DS1391 10 0.5mm Timers or RTCs Alarm, Leap Year, Square Wave Output, Trickle-Charger Clock 1.71V~1.89V HH:MM:SS:hh (12/24 hr) 0.032MHz Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 100μA @ 1.71V~1.89V 1.3V~3.7V
DS1315S-33+T&R DS1315S-33+T&R Maxim Integrated 0.0000
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0.00000000 download 8 Weeks Surface Mount Tape & Reel (TR) 2011 Active 1 (Unlimited) 70°C 0°C 3.3V ROHS3 Compliant No 16 16-SOIC (0.295, 7.50mm Width) Parallel 3.6V 3V Surface Mount 0°C~70°C Phantom Time Chip DS1315 Leap Year 16-SOIC Clock 3V~3.6V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 1.1mA @ 3.3V 2.5V~3.7V
PCF2127AT PCF2127AT NXP Semiconductors 0.0000
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0.00000000 download Active Yes with exemptions 20 Clock/Calendar HH:MM:SS DW:DM:M:Y
BQ3285EDSSTR BQ3285EDSSTR Texas Instruments 0.0000
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0.00000000 no 24 EAR99 8.65mm RoHS Compliant Contains Lead 24 SSOP 3.9mm CMOS 1.73mm 8542.39.00.01 DUAL GULL WING NOT SPECIFIED 5V NOT SPECIFIED 24 COMMERCIAL YES 0.635mm 4.5V 70°C Timer or RTC Not Qualified 5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES PARALLEL, MUXED BUS
BQ4850YMA-85 BQ4850YMA-85 Rochester Electronics 0.0000
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0.00000000 download Tray Obsolete 3 (168 Hours) ROHS3 Compliant 32-DIP Module (0.61, 15.49mm) Parallel Through Hole 0°C~70°C Clock/Calendar Alarm 32-DIP Module (18.42x42.8) 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1mA @ 4.5V~5.5V
AM0805AQ AM0805AQ Ambiq Micro, Inc. 0.0000
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0.00000000 download Tape & Reel (TR) Discontinued 3 (168 Hours) RoHS Compliant 16-VFQFN Exposed Pad I2C Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer 16-QFN (3x3) 256B 1.5V~3.6V HH:MM:SS:hh YY-MM-DD-dd 1.4V~3.6V
MAX6917EO30+ MAX6917EO30+ Maxim Integrated 0.0000
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0.00000000 download Tube 2013 yes Obsolete 1 (Unlimited) 20 EAR99 8.65mm ROHS3 Compliant Lead Free 20-SSOP (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.73mm 8473.30.11.80 Clock/Calendar/Supervisor e3 Matte Tin (Sn) DUAL 260 3V NOT SPECIFIED MAX6917 20 YES 0.635mm R-PDSO-G20 Timer or RTC Not Qualified 3V Clock 96B 2.7V~3.3V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
X1228V14Z-4.5A X1228V14Z-4.5A 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 e3 MATTE TIN NOT SPECIFIED NOT SPECIFIED X1228 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
ISL12025IBZ ISL12025IBZ Renesas Electronics America 0.0000
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0.00000000 download Tube 2018 Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12025 8 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
BQ4802LYPWG4 BQ4802LYPWG4 Texas Instruments 0.0000
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0.00000000 6 Weeks Surface Mount Tube Active 1 (Unlimited) 28 EAR99 3.3V 9.7mm ROHS3 Compliant Lead Free Gold No 28 28-TSSOP (0.173, 4.40mm Width) Parallel 1.15mm 4.4mm Surface Mount 117.508773mg 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e4 DUAL 260 3.3V BQ4802 28 0.65mm Timer or RTC Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Clock 9mA 2.7V~3.6V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 1.5mA Typ @ 2.7 V~3.6 V 2.4V~4V
BQ3287AMT-SB2 BQ3287AMT-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 8473.30.11.80 DUAL 5V 24 COMMERCIAL 2.54mm Timer or RTC 5V Clock 114B HH:MM:SS (12/24 hr) SECONDS Y NO 1 YY-MM-DD-dd
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