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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 Thickness 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Supplier Device Package Logic Function Access Time Screening Level Memory Size Memory Type Function Number of Bits Supply Current-Max Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency RAM (words) On Chip Data RAM Width Time-Min Interrupt Capability Volatile Information Access Method Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1371U+T&R DS1371U+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2007 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant Lead Free Tin No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 5.5V 1.7V Surface Mount -40°C~85°C Binary Counter DS1371 Alarm, Square Wave Output, Watchdog Timer 8-uMAX Clock, Counter 1.7V~5.5V Binary Binary 1.3μA @ 1.7V~5.5V
DS1685E-3/T&R DS1685E-3/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 24-TSSOP (0.173, 4.40mm Width) Parallel Surface Mount 0°C~70°C Clock/Calendar DS1685 Alarm, NVSRAM, Square Wave Output, Y2K 24-TSSOP 242B 2.7V~3.7V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
DS1554WP-120 DS1554WP-120 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tray 2005 yes Obsolete 3 (168 Hours) 34 EAR99 3.3V 25.019mm Non-RoHS Compliant Contains Lead Tin No 34 34-PowerCap™ Module Parallel 23.495mm Surface Mount 0°C~70°C CMOS 2.3368mm 8473.30.11.80 Clock/Calendar e3 DUAL 245 3.3V 40 DS1554 34 1.27mm Timer or RTC Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 32KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V 3V
M41T66Q6F M41T66Q6F STMicroelectronics 0.0000
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0.00000000 download 10 Weeks ACTIVE (Last Updated: 7 months ago) Surface Mount Tape & Reel (TR) Timekeeper® Active 1 (Unlimited) 16 EAR99 3mm ROHS3 Compliant Lead Free No 16 16-VFQFN Exposed Pad I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed QUAD 260 1.6V M41T66 16 0.5mm Timer or RTC 2/4V Alarm, Leap Year, Square Wave Output, Watchdog Timer Clock 1.5V~4.4V HH:MM:SS:hh (24 hr) SECONDS Y YES I2C 1 YY-MM-DD-dd 0.9μA~1.1μA @ 1.5V~4.4V
DS1742-70 DS1742-70 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 24 37.595mm Non-RoHS Compliant 24-DIP Module (0.600, 15.24mm) Parallel unknown 15.24mm Through Hole 0°C~70°C 8.51mm Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 24 NO 2.54mm R-PDIP-P24 COMMERCIAL Leap Year, NVSRAM, Y2K 2KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 3mA @ 5V
ISL12029AIB27Z-T ISL12029AIB27Z-T Renesas Electronics America Inc. 0.0000
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0.00000000 download Tape & Reel (TR) 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 ISL12029A 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
X1205V8IZ X1205V8IZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Bulk 2005 1 8 EAR99 85°C -40°C 4.4mm RoHS Compliant Lead Free TSSOP 2-Wire, I2C, Serial 3mm CMOS 1.2mm 8542.39.00.01 e3 MATTE TIN DUAL 260 5V 40 8 INDUSTRIAL 0.65mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
CDP68HC68T1M2Z96 CDP68HC68T1M2Z96 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 19 Weeks Surface Mount Tape & Reel 2001 Active 3 16 EAR99 85°C -40°C 10.3mm RoHS Compliant Lead Free Tin 16 SOIC SPI 6V 3V 7.5mm CMOS 2.65mm 8542.39.00.01 e3 DUAL 260 5V 30 INDUSTRIAL 1.27mm Timers or RTCs Not Qualified 3.3/5V Clock 32B HH:MM:SS 4.1943MHz SECONDS Y YES SERIAL, 3-WIRE 1 YY-MM-DD-dd
ISL1208IU8Z ISL1208IU8Z Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 13 Weeks Surface Mount Bulk 2004 Active 2 8 EAR99 85°C -40°C 3.05mm RoHS Compliant Lead Free Tin No 8 MSOP 2-Wire, I2C, Serial 5.5V No SVHC 2.7V 950μm 3.05mm CMOS e3 DUAL 260 3V 30 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock 2B HH:MM:SS 0.032MHz SECONDS Y I2C 2 B YY-MM-DD-dd
DS14285N DS14285N 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 -40°C~85°C 5.08mm Clock/Calendar e0 TIN LEAD DUAL 240 5V 20 24 NO 2.54mm R-PDIP-T24 COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 0.5μA @ 4.5V~5.5V 2.5V~3.6V
BQ3285ES BQ3285ES Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 24 Non-RoHS Compliant SELECTABLE INTEL/MOTOROLA TIMING; DAYLIGHT SAVING OPTION; RAM CLEAR I/P 24-SOIC (0.295, 7.50mm Width) Parallel Surface Mount 0°C~70°C CMOS Clock/Calendar e4 NICKEL PALLADIUM GOLD DUAL 260 5V NOT SPECIFIED YES 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 1 YY-MM-DD-dd 300μA @ 5V 2.5V~4V
PCA8565AU/5BA/1,01 PCA8565AU/5BA/1,01 NXP Semiconductors 0.0000
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RX8900SA:UC0PURESN RX8900SA:UC0PURESN EPSON 0.0000
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RX-4803LC:UBB PURE SN RX-4803LC:UBB PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks RX-4803LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm 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
DS1672U-3+ DS1672U-3+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2002 yes Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8473.30.11.80 Binary Counter e3 Matte Tin (Sn) DUAL 260 3V 30 DS1672 8 YES 0.65mm S-PDSO-G8 Timers or RTCs Not Qualified 3V Trickle-Charger 2.7V~3.3V Binary 0.032MHz SECONDS N NO I2C 500μA @ 3.3V 1.3V~3.63V
DS1302SN-16 DS1302SN-16 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2001 no Obsolete 1 (Unlimited) 16 EAR99 3.3V 10.3mm Non-RoHS Compliant Contains Lead No 16 BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA 16-SOIC (0.295, 7.50mm Width) 3-Wire Serial 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 245 3.3V DS1302 16 1.27mm Timer or RTC 3/5V Leap Year, NVSRAM, Trickle-Charger Clock 31B 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO SERIAL, 3-WIRE YY-MM-DD-dd 0.3μA~1μA @ 2V~5V 2V~5.5V
DS1342U+ DS1342U+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2012 yes Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Tin No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Unknown 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar DUAL 3V DS1342 8 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output Clock 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd 0.6μA~0.7μA @ 3V~5V
M48T12-200PC1 M48T12-200PC1 STMicroelectronics 0.0000
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0.00000000 download Through Hole Tube Timekeeper® Obsolete 1 (Unlimited) 24 EAR99 5V 34.545mm ROHS3 Compliant 24 24-DIP Module (0.600, 15.24mm) Parallel 200GHz Through Hole 0°C~70°C CMOS 9.65mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 10 M48T12 24 2.54mm Timer or RTC Not Qualified 5V Leap Year Clock 200 ns 15.6kB 80mA 4.5V~5.5V HH:MM:SS (24 hr) 8 2040 8 SECONDS N NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
PT7C4307WEX-2017 PT7C4307WEX-2017 Diodes Incorporated 0.0000
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0.00000000 download Tape and Reel Obsolete RoHS Compliant 8 Clock/Calendar/Alarm/Interrupt/Square-Wave Output HH:MM:SS DW:DM:M:Y
DS17485S-3+T&R DS17485S-3+T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel 2012 Lead Free
1337GDCGI 1337GDCGI Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount Bulk 2006 yes Discontinued 1 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant Lead Free Tin No 8 SOIC 2-Wire, I2C, Serial 5.5V 1.8V 3.9mm 1.5mm CMOS 1.75mm e3 DUAL 260 3.3V 30 8 INDUSTRIAL 1.27mm Timer or RTC 2/5V Clock 8 HH:MM:SS 0.4MHz SECONDS Y I2C 1 YY-MM-DD-dd
M48T128Y-70PM1 M48T128Y-70PM1 STMicroelectronics 0.0000
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0.00000000 download Through Hole Tube Timekeeper® Obsolete 1 (Unlimited) 32 EAR99 5V 43.18mm ROHS3 Compliant Lead Free 32 32-DIP Module (0.600, 15.24mm) Parallel No SVHC 70GHz 9.52mm 18.8mm Through Hole 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e3 MATTE TIN DUAL 225 5V NOT SPECIFIED M48T128 32 2.54mm Timer or RTC Not Qualified 5V Leap Year Clock 70 ns 128kB SRAM 4.5V~5.5V HH:MM:SS (24 hr) 128000 SECONDS N NO YY-MM-DD-dd 4mA @ 4.5V~5.5V
MCP7940NT-E/MS MCP7940NT-E/MS Microchip Technology 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2012 Automotive, AEC-Q100 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount 139.989945mg -40°C~125°C CMOS 1.1mm Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP7940N YES 0.65mm Timer or RTC Not Qualified 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock TS 16949 64B 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO I2C 1 YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
DS2404B+ DS2404B+ Maxim Integrated 0.0000
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0.00000000 Surface Mount Bulk yes 1 16 EAR99 85°C -40°C 6.2mm RoHS Compliant Lead Free No 16 1 HZ FIXED O/P; 64-BIT LASERED ROM; TIMEKEEPING CURRENT = 350NA SSOP 5.5V 2.8V 5.29mm CMOS 1.99mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 5V 30 16 INDUSTRIAL 0.65mm Clock 512B 0.032MHz SERIAL, 3-WIRE Binary
RTC-72421B: PURE SN RTC-72421B: PURE SN EPSON 0.0000
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0.00000000 download RTC-72421 Not For New Designs 1 (Unlimited) ROHS3 Compliant 18-DIP (0.300, 7.62mm) Parallel Through Hole -10°C~70°C Clock/Calendar Leap Year 4.5V~5.5V HH:MM:SS (12/24 hr) 5μA~10μA @ 2V~5V
DS1341U+T&R DS1341U+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 5.5V 1.8V Surface Mount -40°C~85°C Clock/Calendar DS1341 Alarm, Leap Year, Square Wave Output 8-uMAX Clock 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.5μA~0.6μA @ 3V~5V
DS17285S-3 DS17285S-3 Maxim Integrated 0.0000
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0.00000000 download 111 Weeks Surface Mount 2010 24 EAR99 70°C 0°C 3V 17.9mm RoHS Compliant Contains Lead No 24 SOIC Parallel 3.7V 2.7V 7.5mm CMOS 2.67mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 245 3V 24 COMMERCIAL 1.27mm Timer or RTC 3V Clock 2kB HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd
ISL12029IB30AZ-T ISL12029IB30AZ-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 NO I2C 1 YY-MM-DD-dd
ISL12029IB30AZ-T ISL12029IB30AZ-T Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) 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
NJU6355EM NJU6355EM New Japan Radio (NJR) 0.0000
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0.00000000
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