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RTCs

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Mount Packaging Published 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 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) Operating Temperature (Min) 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 RAM Size 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
IDT1337DCGI8 IDT1337DCGI8 Integrated Device Technology (IDT) 0.0000
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Min: 1

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0.00000000 Surface Mount Tape & Reel (TR) yes 1 8 85°C -40°C RoHS Compliant SOIC 2-Wire, I2C, Serial CMOS e3 Matte Tin (Sn) - annealed DUAL 260 30 INDUSTRIAL 1.27mm R-PDSO-G8 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
MAX6916EO33+T MAX6916EO33+T Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2013 yes Obsolete 1 (Unlimited) 20 EAR99 85°C -40°C 8.65mm ROHS3 Compliant Lead Free 20-SSOP (0.154, 3.90mm Width) SPI, 3-Wire Serial 3.9mm Surface Mount CMOS 1.73mm 8473.30.11.80 Clock/Calendar/Supervisor e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED MAX6916 20 INDUSTRIAL YES 0.635mm R-PDSO-G20 Timer or RTC Not Qualified 3.3V Clock 96B 8 3V~3.6V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
AB-RTCMC32.768KHZEOA9S3DB AB-RTCMC32.768KHZEOA9S3DB Abracon LLC 0.0000
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Min: 1

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0.00000000 download Bulk Active RoHS Compliant 10 Clock/Calendar/Alarm/Timer/Interrupt HH:MM:SS DW:DM:M:Y
X1226V8I X1226V8I Renesas Electronics America Inc. 0.0000
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Min: 1

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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar X1226 Alarm, Leap Year 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
PT7C4337BWEX PT7C4337BWEX Diodes Incorporated 0.0000
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Min: 1

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0.00000000 20 Weeks Tape & Reel (TR) Active 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.8μA @ 1.2V~1.8V
PCA2125TS/1,118 PCA2125TS/1,118 NXP Semiconductors 0.0000
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Min: 1

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0.00000000 download Tape & Reel (TR) 2008 Obsolete 1 (Unlimited) 14 EAR99 5mm ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) SPI unknown 4.4mm Surface Mount -40°C~125°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e4 NICKEL PALLADIUM GOLD DUAL 260 2V 30 PCA2125 14 YES 0.65mm R-PDSO-G14 Timer or RTC Not Qualified 1.5/5V Alarm, Leap Year, Square Wave Output, Watchdog Timer AEC-Q100 1.6V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO SERIAL, 3-WIRE YY-MM-DD-dd 1.8μA @ 2V~5V
DS1390U-33+T&R DS1390U-33+T&R Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant Lead Free Tin No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 5.5V Unknown 2.97V Surface Mount -40°C~85°C Clock/Calendar DS1390 Alarm, Leap Year, Square Wave Output, Trickle-Charger 10-μSOP Clock 2.97V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 175μA @ 2.97V~5.5V 1.3V~5.5V
ISL12027AIB27Z-T ISL12027AIB27Z-T Intersil 0.0000
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Min: 1

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0.00000000
DS2404-001 DS2404-001 Maxim Integrated 0.0000
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Min: 1

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0.00000000 download no 1 16 EAR99 85°C -40°C 19.175mm RoHS Compliant No 16 PDIP 7.62mm CMOS 4.572mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL THROUGH-HOLE 240 5V 20 16 INDUSTRIAL NO 2.54mm 4.5V 5.5V Clock 0.032MHz SERIAL, 3-WIRE Binary
PCF8802AUG/ABZ PCF8802AUG/ABZ NXP Semiconductors / Freescale 0.0000
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Min: 1

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0.00000000 Non-RoHS Compliant
RX-4574LC:B3PURESN RX-4574LC:B3PURESN EPSON 0.0000
RFQ

Min: 1

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0.00000000
DS1248W-120IND DS1248W-120IND Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Through Hole Tube 2005 Obsolete 1 (Unlimited) 32 3A991.B.2.A 3.3V 43.053mm Non-RoHS Compliant Contains Lead No 32 32-DIP Module (0.600, 15.24mm) Parallel 120GHz 15.24mm Through Hole -40°C~85°C CMOS 10.922mm 8473.30.11.40 Phantom Time Chip e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V DS1248 32 2.54mm Timer or RTC NVSRAM Clock 120 ns 128KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V
MCP79412-I/MS MCP79412-I/MS Microchip Technology 0.0000
RFQ

Min: 1

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0.00000000 download 7 Weeks Surface Mount Tube 2011 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant 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 5V 40 MCP79412 8 0.65mm 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
DS1556WP-120IND DS1556WP-120IND Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tube 2005 no Obsolete 3 (168 Hours) 34 EAR99 Non-RoHS Compliant Contains Lead 34-PowerCap™ Module Parallel not_compliant Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e0 TIN LEAD DUAL 240 3.3V NOT SPECIFIED DS1556 34 YES R-XDMA-U34 Timer or RTC Not Qualified 3.3V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 128KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V 3V
DS1747P-70 DS1747P-70 Rochester Electronics 0.0000
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Min: 1

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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 5V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL Leap Year, NVSRAM, Y2K 512KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 4mA @ 5V 3V
M41T94MQ602 M41T94MQ602 STMicroelectronics 0.0000
RFQ

Min: 1

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0.00000000 Through Hole 70°C 0°C RoHS Compliant Contains Lead 16 SOIC Parallel 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd
RX8804CE XB0 RX8804CE XB0 EPSON 0.0000
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Min: 1

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0.00000000
1337GNLGI8 1337GNLGI8 Integrated Device Technology (IDT) 0.0000
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Min: 1

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0.00000000 download Surface Mount Tape & Reel 2006 yes Discontinued 3 16 EAR99 85°C -40°C 3.3V 3mm RoHS Compliant Lead Free No 16 QFN 2-Wire, I2C, Serial 3mm 1mm CMOS 8542.39.00.01 e3 Matte Tin (Sn) - annealed QUAD 260 3.3V 30 16 INDUSTRIAL 0.5mm Timer or RTC 2/5V 5.5V Clock 8 HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y I2C 1 YY-MM-DD-dd
DS1390U-33+T DS1390U-33+T Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download yes 1 10 EAR99 3mm Non-RoHS Compliant Lead Free 3mm CMOS 1.1mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V 30 10 INDUSTRIAL YES 0.5mm S-PDSO-G10 2.97V 85°C -40°C Timers or RTCs Not Qualified 3.3V 5.5V TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y NO SERIAL, 3-WIRE 1
MAX6916EO50+T MAX6916EO50+T Maxim Integrated 0.0000
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Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2013 Obsolete 1 (Unlimited) 20 EAR99 85°C -40°C 8.65mm ROHS3 Compliant Lead Free 20-SSOP (0.154, 3.90mm Width) SPI, 3-Wire Serial 3.9mm Surface Mount CMOS 1.73mm 8542.39.00.01 Clock/Calendar/Supervisor e3 Matte Tin (Sn) DUAL 260 5V 30 MAX6916 20 INDUSTRIAL YES 0.635mm R-PDSO-G20 Timer or RTC Not Qualified 5V Clock 96B 8 4.5V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
X1205S8T1 X1205S8T1 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2004 8 EAR99 70°C 0°C 4.9mm Non-RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial not_compliant 3.9mm CMOS 1.75mm 8542.39.00.01 DUAL 5V 8 COMMERCIAL 1.27mm R-PDSO-G8 2.7V Not Qualified 5.5V HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz I2C YY-MM-DD-dd
DS1685SN-5/T&R DS1685SN-5/T&R Maxim Integrated 0.0000
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Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2012 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 24-SOIC (0.295, 7.50mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar DS1685 Alarm, NVSRAM, Square Wave Output, Y2K 24-SOIC 242B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
PT7C4337WEX PT7C4337WEX Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
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Min: 1

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0.00000000 Tape & Reel (TR) 8 EAR99 4.9mm RoHS Compliant compliant 3.9mm CMOS 1.75mm 8542.39.00.01 DUAL GULL WING 3.3V 8 INDUSTRIAL YES 1.27mm R-PDSO-G8 1.8V 85°C -40°C Timer or RTC Not Qualified 2/5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1
RTC-62423A:3 RTC-62423A:3 EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 1 (Unlimited) 85°C -40°C Non-RoHS Compliant 24 24-SOIC (0.311, 7.90mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Leap Year 24-SOP 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.8μA~3μA @ 2V~5V
X1226V8T1 X1226V8T1 Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
PT7C4337LE PT7C4337LE Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 RoHS Compliant
MCP79521-I/MS MCP79521-I/MS Microchip Technology 0.0000
RFQ

Min: 1

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0.00000000 download 5 Weeks Tube 2012 Active 1 (Unlimited) 10 EAR99 3mm ROHS3 Compliant Lead Free Tin No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 950μm 3mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 DUAL 260 3V 40 MCP79521 YES 0.5mm Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID Clock 64B 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 5MHz YY-MM-DD-dd 1μA @ 1.8V~3.6V 1.3V~3.6V
DS1338U-18+ DS1338U-18+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tube 2012 yes Active 1 (Unlimited) 8 EAR99 1.8V 3mm ROHS3 Compliant Lead Free 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 e3 Matte Tin (Sn) DUAL 260 1.8V 30 DS1338 8 0.65mm Timer or RTC Leap Year, NVSRAM, Square Wave Output Clock 56B 1.71V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd 100μA @ 1.89V 1.3V~3.7V
M41T94MQ6E M41T94MQ6E STMicroelectronics 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 16 EAR99 10mm ROHS3 Compliant Lead Free No 16 16-SOIC (0.154, 3.90mm Width) SPI No SVHC 1.6mm 4mm Surface Mount -40°C~85°C CMOS Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 3V 30 M41T94 16 1.27mm Timer or RTC 3 Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer Clock 44B 2.7V~5.5V HH:MM:SS:hh (24 hr) 1/100SECOND Y 44 B 1 YY-MM-DD-dd 1.4mA @ 2.7V~5.5V 2.5V~3.5V
DS1685E-3+T&R DS1685E-3+T&R Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 8 Weeks Surface Mount Tape & Reel (TR) 2000 Active 1 (Unlimited) 70°C 0°C 3V ROHS3 Compliant Lead Free No 24 24-TSSOP (0.173, 4.40mm Width) Parallel 3.7V 2.7V Surface Mount 0°C~70°C Clock/Calendar DS1685 Alarm, NVSRAM, Square Wave Output, Y2K 24-TSSOP Clock 242B 2.7V~3.7V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
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