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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 Termination 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 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Consumer IC Type Application Number of Outputs Feature Supplier Device Package Logic Function Access Time Memory Size Memory Type Function Number of Bits Voltage - Supply Time Format External Data Bus Width Data Bus Width Bus Compatibility uPs/uCs/Peripheral ICs Type Clock Frequency Word Size Display Mode Time-Min Interrupt Capability Volatile Information Access Method Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery Battery End of Life Indication Frequency Trimming Alarm
IDT1337DVGI IDT1337DVGI Integrated Device Technology (IDT) 0.0000
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0.00000000 Surface Mount yes 3 8 EAR99 85°C -40°C RoHS Compliant 8 TSSOP 2-Wire, I2C, Serial CMOS e3 Matte Tin (Sn) - annealed DUAL 260 30 INDUSTRIAL 0.635mm Timer or RTC Not Qualified 2/5V HH:MM:SS (12/24 hr) TIMER, MEMORY REFRESH SECONDS Y SERIAL, 2 WIRE/I2C YY-MM-DD-dd
DS17285-5+ DS17285-5+ Maxim Integrated 0.0000
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0.00000000 download 9 Weeks Tube 2000 yes Obsolete 1 (Unlimited) 24 EAR99 31.75mm ROHS3 Compliant Lead Free 24-DIP (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS17285 24 NO 2.54mm R-PDIP-T24 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
ISL12028IBZ ISL12028IBZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Bulk 2005 Active 2 14 EAR99 85°C -40°C 3.3V 8.65mm RoHS Compliant Lead Free No 14 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 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock 512B HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
DS1746P-70IND DS1746P-70IND Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 Obsolete 3 (168 Hours) 34 EAR99 5V Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e0 TIN LEAD DUAL 240 5V DS1746 34 Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 128KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 5V 3V
X1205V8 X1205V8 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Bulk 2005 8 EAR99 70°C 0°C 4.4mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 3mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 8 COMMERCIAL 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
M48T35AV-10MH1F M48T35AV-10MH1F STMicroelectronics 36.8539
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0.00000000 download 26 Weeks Surface Mount Tape & Reel (TR) Timekeeper® Active 3 (168 Hours) 28 EAR99 3.3V 18.1mm ROHS3 Compliant Lead Free No 28 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets Parallel 256 kb 100GHz Surface Mount 0°C~70°C CMOS 3.05mm 8542.39.00.01 30mA Clock/Calendar e3 Matte Tin (Sn) DUAL 245 3.3V 30 M48T35 28 1.27mm Timer or RTC Leap Year 100 ns 32kB 3V~3.6V HH:MM:SS (24 hr) 8b 8b SECONDS N NO YY-MM-DD-dd 2mA @ 3V~3.6V
ISL12028IB27Z ISL12028IB27Z Rochester Electronics 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 Alarm, Leap Year, Supervisor, Watchdog Timer 14-SOIC 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
X1288S16-4.5A X1288S16-4.5A Intersil 0.0000
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0.00000000
MCP79411T-I/SN MCP79411T-I/SN Microchip Technology 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2011 Active 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant Lead Free No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 5V 40 MCP79411 8 1.27mm Timers or RTCs 2/5V Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Clock 64B 1Kb 1.8V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y NO I2C YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
M41ST85WMX6TR M41ST85WMX6TR STMicroelectronics 0.0000
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0.00000000 download 25 Weeks ACTIVE (Last Updated: 7 months ago) Surface Mount Tape & Reel (TR) Active 3 (168 Hours) 28 EAR99 3.3V 17.96mm ROHS3 Compliant Lead Free Gold No 28 28-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 7.62mm Surface Mount -40°C~85°C CMOS 2.69mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 250 3V 30 M41ST 28 1.27mm Timer or RTC Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer Clock 2.7V~3.6V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y I2C 44 B 1 YY-MM-DD-dd 0.5mA @ 2.7V~3.6V 2.5V~3.5V
DS32B35-33# DS32B35-33# Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2008 yes Obsolete 1 (Unlimited) 20 SMD/SMT EAR99 12.8mm ROHS3 Compliant 20 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial not_compliant 32.768kHz 7.5mm Surface Mount 0°C~70°C CMOS 2.65mm Clock/Calendar e3 TIN DUAL 260 3.3V NOT SPECIFIED DS32B35 20 1.27mm Timer or RTC Not Qualified 3 Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal Clock 2KB FRAM 8 2.7V~3.63V HH:MM:SS (12/24 hr) 1 MINUTES Y NO I2C 1 YY-MM-DD-dd 110μA @ 3.63V 2.3V~3.6V
RX-8581NB B3 PURESN RX-8581NB B3 PURESN Epson America, Inc 0.0000
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0.00000000 download Tape and Reel LTB Yes with exemptions 20 Clock/Calendar/Alarm HH:MM:SS DW:DM:M:Y
ISL1208IRT8Z-TK ISL1208IRT8Z-TK Intersil 0.0000
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0.00000000
BQ32000D BQ32000D Texas Instruments 0.0000
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0.00000000 6 Weeks ACTIVE (Last Updated: 1 day ago) Surface Mount Tube yes Active 1 (Unlimited) 8 EAR99 3.3V 4.9mm ROHS3 Compliant Lead Free Gold No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 1.75mm 3.91mm 1.58mm Surface Mount 75.891673mg -40°C~85°C CMOS Clock/Calendar e4 DUAL 260 3.3V BQ32000 8 1.27mm Timer or RTC Leap Year, Square Wave Output, Trickle-Charger Clock 3V~3.6V HH:MM:SS (24 hr) I2C 0.032MHz SECONDS N NO I2C YY-MM-DD-dd 100μA @ 3.3V 1.4V~3.6V
X1288S16I-2.7AT1 X1288S16I-2.7AT1 Intersil 0.0000
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0.00000000
ISL12028IB30AZ-T ISL12028IB30AZ-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 ISL12028 Alarm, Leap Year, Supervisor, Watchdog Timer 14-SOIC 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
BQ4832YMA-85 BQ4832YMA-85 Texas Instruments 211.6764
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0.00000000 download Through Hole Tray Obsolete 1 (Unlimited) 70°C 0°C 5V ROHS3 Compliant Contains Lead Tin No 32 32-DIP Module (0.61, 15.49mm) Parallel 5.5V 4.5V Through Hole 0°C~70°C Clock/Calendar BQ4832 Alarm, Supervisor, Watchdog Timer 32-DIP Module (18.42x42.8) Clock 250kB 4.5V~5.5V HH:MM:SS:hh (24 hr) YY-MM-DD-dd 4mA @ 4.5 V~5.5 V
IDT1339C-31SRI8 IDT1339C-31SRI8 Integrated Device Technology (IDT) 0.0000
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0.00000000 Surface Mount Tape & Reel (TR) 85°C -40°C Non-RoHS Compliant 16 SOIC 2-Wire, I2C, Serial HH:MM:SS (12/24 hr) YY-MM-DD-dd
AB-RTCMK-32.768KHZ-T3 AB-RTCMK-32.768KHZ-T3 Abracon LLC 0.0000
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0.00000000 download 16 Weeks Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 85°C -40°C RoHS Compliant Lead Free No 8 8-SMD Module I2C, 2-Wire Serial 5.5V 1.3V Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output, TCXO/Crystal 8-SMT 1.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD 2μA @ 3V
RX-8025NB:AA3 PURE SN RX-8025NB:AA3 PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8025NB Active 1 (Unlimited) ROHS3 Compliant 22-LFDFN I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 22-SON (5x6) 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.2μA~1.8μA @ 3V~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
NTE2061 NTE2061 NTE Electronics, Inc. 0.0000
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0.00000000 download Through Hole no 40 70°C -30°C 152.4mm Non-RoHS Compliant 40 25.4mm 101.6mm 4.535924g PMOS 1 e0 Tin/Lead (Sn/Pb) DUAL NOT SPECIFIED NOT SPECIFIED OTHER 2.54mm Clock ICs Not Qualified -12V LED CLOCK ALARM CLOCKS; CLOCK-RADIOS DIGITAL NO NO YES
X1227V8IZ-2.7A X1227V8IZ-2.7A Renesas Electronics America Inc. 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 -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
DS1244WP-120IND DS1244WP-120IND Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 Obsolete 3 (168 Hours) 34 EAR99 3.3V Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel 120GHz Surface Mount -40°C~85°C CMOS 8542.39.00.01 Phantom Time Chip e0 TIN LEAD DUAL 240 3.3V DS1244 34 Timer or RTC Leap Year, NVSRAM Clock 120 ns 32KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V 3V
DS1553W-120+ DS1553W-120+ Maxim Integrated 0.0000
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0.00000000 download Tube 2010 yes Obsolete 1 (Unlimited) 28 EAR99 38.862mm ROHS3 Compliant Lead Free not_compliant 15.24mm CMOS 9.398mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL PIN/PEG NOT SPECIFIED 3.3V NOT SPECIFIED 28 COMMERCIAL NO 2.54mm R-PDIP-P28 2.97V 70°C Timer or RTC Not Qualified 3.3V 3.63V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO PARALLEL, DIRECT ADDRESS
RX-4571SA:BPURESN RX-4571SA:BPURESN EPSON 0.0000
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0.00000000
Q41856471000112 Q41856471000112 Epson America, Inc 0.0000
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0.00000000 download Tape and Reel Active Yes with exemptions 20 Clock/Calendar/Alarm/Timer HH:MM:SS DW:DM:M:Y
ISL12082IB8Z-T ISL12082IB8Z-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 19 Weeks Surface Mount Tape & Reel 2008 Active 1 8 EAR99 85°C -40°C 3.3V 4.9mm 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 8 INDUSTRIAL 1.27mm R-PDSO-G8 Timer or RTC 3/5V Clock HH:MM:SS:hh 1/100SECOND Y NO I2C YY-MM-DD-dd
BQ4830YMA-85 BQ4830YMA-85 Texas Instruments 0.0000
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0.00000000 Through Hole no 28 EAR99 70°C 0°C 5V 37.72mm RoHS Compliant Contains Lead Tin No 28 PDIP Parallel 5.5V 4.5V 9.4mm 18.42mm CMOS 8542.39.00.01 DUAL 5V COMMERCIAL 2.54mm Timer or RTC 5V Clock 31.3kB HH:MM:SS 0.032MHz SECONDS N NO YY-MM-DD-dd
MCP795B11T-I/ST MCP795B11T-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 MCP795B11 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
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