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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 Additional Feature Package / Case Interface Max Supply Voltage Reach Compliance Code Min Supply Voltage 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) Feature Supplier Device Package Logic Function Memory 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 Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1337 DS1337 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 unknown 7.62mm Through Hole -40°C~85°C CMOS 4.572mm Clock/Calendar e0 TIN LEAD DUAL 240 3.3V 20 8 NO 2.54mm R-PDIP-T8 COMMERCIAL Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
X1288V14Z-2.7 X1288V14Z-2.7 Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 2A (4 Weeks) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED X1288 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
CDP68HC68T1M CDP68HC68T1M Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 20 EAR99 Non-RoHS Compliant 20-SOIC (0.295, 7.50mm Width) SPI Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e0 TIN LEAD DUAL 240 5V 20 YES R-PDSO-G20 Not Qualified Alarm, Leap Year, Square Wave Output, Watchdog Timer 32B 3V~6V HH:MM:SS (12/24 hr) 2.1MHz SERIAL, 3-WIRE 1 YY-MM-DD-dd 20μA~500μA @ 5V 2.2V~6V
MAX6917EO30+T MAX6917EO30+T Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2013 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 8542.39.00.01 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
1339C-31SRI 1339C-31SRI Integrated Device Technology (IDT) 0.0000
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0.00000000 download 7 Weeks Surface Mount 2006 no 1 16 EAR99 85°C -40°C 3.3V 10.4mm RoHS Compliant Contains Lead No 16 SOIC 2-Wire, I2C, Serial 5.5V 2.45V 7.6mm 2.34mm CMOS 2.65mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 16 INDUSTRIAL 1.27mm Timer or RTC 3.6/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
MCP79512T-I/MN MCP79512T-I/MN Microchip Technology 0.0000
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0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 10 EAR99 3mm ROHS3 Compliant Lead Free No 10 10-WFDFN Exposed Pad SPI 3mm Surface Mount -40°C~85°C CMOS 0.8mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 3V MCP79512 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-33T DS1338U-33T Maxim Integrated 0.0000
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0.00000000 yes 1 8 EAR99 3mm RoHS Compliant Contains Lead compliant 3mm CMOS 1.1mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V 30 8 INDUSTRIAL YES 0.65mm S-PDSO-G8 3V 85°C -40°C Timer or RTC Not Qualified 3.3V 3.63V TIMER, REAL TIME CLOCK 0.032MHz SECONDS N NO I2C 1
X1227V8 X1227V8 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 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
DP8570AV DP8570AV Rochester Electronics 0.0000
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0.00000000 Tube Obsolete 2A (4 Weeks) Non-RoHS Compliant 28-LCC (J-Lead) Parallel Surface Mount -40°C~85°C Timer Clock Peripheral (TCP) Alarm, Leap Year 28-PLCC (11.51x11.51) 44B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 1μA @ 5V 2.2V~5.1V
CDP68HC68T1M296 CDP68HC68T1M296 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2001 Active 1 16 EAR99 85°C -40°C 10.3mm RoHS Compliant Contains Lead Lead, Tin No SOIC SPI 6V 3V 7.5mm CMOS 2.65mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 16, 16, 20 INDUSTRIAL 1.27mm R-PDSO-G16 Timers or RTCs 3.3/5V Clock 32B HH:MM:SS 4.1943MHz SECONDS Y YES SERIAL, 3-WIRE 1 YY-MM-DD-dd
MCP79412T-I/MS MCP79412T-I/MS Microchip Technology 0.0000
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0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 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
DS1743P-100 DS1743P-100 Maxim Integrated 0.0000
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0.00000000 download Tube 2007 yes Obsolete 3 (168 Hours) 34 EAR99 Non-RoHS Compliant Contains Lead A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel not_compliant Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1743 34 YES R-XDMA-U34 Timer or RTC Not Qualified 5V Leap Year, NVSRAM, Y2K 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V 3V
RX-8035SA:B PURE SN R RX-8035SA:B PURE SN R EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8035SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Time Event Recorder Alarm 2.4V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5μA @ 3V 1V~5.5V
X1227S8-2.7A X1227S8-2.7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount 1 8 EAR99 70°C 0°C 4.9022mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 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
DS1343D-3+ DS1343D-3+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 14 EAR99 3V 3mm ROHS3 Compliant No 14 14-WFDFN Exposed Pad SPI 3mm Surface Mount -40°C~85°C CMOS 0.8mm 8473.30.11.80 Clock/Calendar e3 TIN DUAL 260 3V 30 DS1343 14 0.4mm Timers or RTCs 3V Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger Clock 96B 2.7V~5.5V HH:MM:SS (12/24 hr) 4MHz SECONDS Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 1.3V~5.5V
ISL12025IBZ-T ISL12025IBZ-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel 1999 Active 1 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant Lead Free 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 8, 8 INDUSTRIAL 1.27mm R-PDSO-G8 Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
DS1500YE DS1500YE Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tray 2005 Obsolete 3 (168 Hours) 32 EAR99 5V 18.4mm Non-RoHS Compliant Contains Lead No 32 32-LFSOP (0.724, 18.40mm Width) Parallel 8mm Surface Mount 0°C~70°C CMOS 1.24mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1500 32 0.5mm 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 SECONDS Y NO 1 YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
X1227V8-2.7A X1227V8-2.7A Intersil 0.0000
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0.00000000
M41T83RMY6E M41T83RMY6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 18 EAR99 11.61mm ROHS3 Compliant Lead Free 18 18-SOX, 18-SOIC with Crystal (7.5mm Width) I2C, 2-Wire Serial not_compliant 2.34mm 7.62mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 240 3V 30 M41T83 18 1.27mm Timers or RTCs Not Qualified 3/5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 7B 8 2.7V~5.5V HH:MM:SS:hh (24 hr) 0.4MHz 1/100SECOND Y NO I2C 1 YY-MM-DD-dd 10μA @ 5.5V 2V~5.5V
DS12R887-33 DS12R887-33 Maxim Integrated 0.0000
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0.00000000 download Tray 2010 no Obsolete 1 (Unlimited) 48 EAR99 3.3V 15.3mm ROHS3 Compliant No 48 48-BBGA Parallel 11.8mm Surface Mount -40°C~85°C CMOS 3.68mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) BOTTOM 240 3.3V 20 DS12R887 48 YES 1.27mm Timer or RTC Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger Clock 114B 2.97V~3.63V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 2mA @ 2.97V~3.63V 2V~3.05V
RTC-62421A:ROHS RTC-62421A:ROHS EPSON 0.0000
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0.00000000 download Through Hole Tube Obsolete 1 (Unlimited) RoHS Compliant 18 18-DIP (0.300, 7.62mm) Parallel Through Hole -40°C~85°C Clock/Calendar Leap Year 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.8μA~3μA @ 2V~5V
DS1339BU+T DS1339BU+T 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) 8 EAR99 3mm ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar DUAL 3.3V DS1339 0.65mm S-PDSO-G8 Timer or RTC Not Qualified 1.8/5V Alarm, Leap Year, Square Wave Output, Trickle-Charger 1.71V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO I2C 1 YY-MM-DD-dd 200μA @ 1.71V~5.5V 1.3V~3.7V
MCP795W12T-I/SL MCP795W12T-I/SL Microchip Technology 0.0000
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Min: 1

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0.00000000 download 17 Weeks Surface Mount Tape & Reel (TR) 2011 Active 1 (Unlimited) 14 EAR99 8.65mm ROHS3 Compliant No 14 ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ 14-SOIC (0.154, 3.90mm Width) SPI 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 5V 40 MCP795W12 14 1.27mm Timer or RTC 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer Clock 64B 8 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 10MHz 1/100SECOND Y NO YY-MM-DD-dd 1μA @ 1.8V~5.5V 1.3V~3.6V
RA-8565SA:B3ROHS RA-8565SA:B3ROHS EPSON 0.0000
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0.00000000
DS1743P-C01+ DS1743P-C01+ Maxim Integrated 0.0000
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0.00000000 yes 34 EAR99 RoHS Compliant 34 CMOS 8473.30.11.80 e3 Matte Tin (Sn) DUAL J INVERTED NOT SPECIFIED 5V NOT SPECIFIED 34 COMMERCIAL YES 4.5V 70°C Timer or RTC Not Qualified 3.3/5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS N NO PARALLEL, DIRECT ADDRESS
X1288S16-2.7AT1 X1288S16-2.7AT1 Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount 1 16 EAR99 70°C 0°C 10.3mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 7.5mm CMOS 2.65mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED 16 COMMERCIAL 1.27mm R-PDSO-G16 2.7V Timer or RTC Not Qualified 3/5V 5.5V 31.3kB HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1 YY-MM-DD-dd
ISL12029IVAZ ISL12029IVAZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 Active 1 14 EAR99 85°C -40°C 3.3V 5mm RoHS Compliant No 14 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 4.4mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
MCP7940NT-I/ST MCP7940NT-I/ST Microchip Technology 0.0000
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0.00000000 download 5 Weeks Surface Mount Tape & Reel (TR) 2011 Automotive, AEC-Q100 Active 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant No 8 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP7940N 8 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock 64B 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd 1.2μA @ 3.3V 1.5V~5.5V
BQ3285LCSS BQ3285LCSS 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 3V 24 COMMERCIAL YES 0.635mm 2.7V 70°C Not Qualified 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz PARALLEL, MUXED BUS
RTC-62423A:3:ROHS RTC-62423A:3:ROHS EPSON 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 1 (Unlimited) 85°C -40°C 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
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