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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 Radiation Hardening Number of Pins Additional Feature Package / Case Interface Max Supply Voltage Reach Compliance Code Min Supply Voltage Width 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature 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
DS1747W-120+ DS1747W-120+ Maxim Integrated 0.0000
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0.00000000 download 9 Weeks Tube 2012 yes Active 1 (Unlimited) 32 EAR99 43.053mm ROHS3 Compliant Lead Free 32 32-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED DS1747 32 NO 2.54mm Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM, Y2K 512KB 2.97V~3.63V HH:MM:SS (24 hr) 8 SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V
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
DS1556W-120+ DS1556W-120+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Through Hole Tube 2003 yes Active 1 (Unlimited) 32 EAR99 3.3V 43.053mm ROHS3 Compliant Lead Free No 32 32-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 3.3V DS1556 32 2.54mm Timer or RTC Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 128KB 2.97V~3.63V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V
ISL12028AIB27Z-T ISL12028AIB27Z-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 unknown Surface Mount -40°C~85°C Clock/Calendar ISL12028A 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
RX-4571SA:B0 PURE SN RX-4571SA:B0 PURE SN EPSON 0.0000
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Min: 1

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0.00000000
RX4901CE XS C06 RX4901CE XS C06 EPSON 0.0000
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Min: 1

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0.00000000
X1228S14Z-2.7 X1228S14Z-2.7 Renesas Electronics America 0.0000
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Min: 1

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0.00000000 download Tube Obsolete 3 (168 Hours) ROHS3 Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°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
DS1486P-120+ DS1486P-120+ Maxim Integrated 0.0000
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0.00000000 download Tube 2005 yes Obsolete 3 (168 Hours) 34 EAR99 ROHS3 Compliant Lead Free 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 DS1486 34 YES R-XDMA-U34 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer 128KB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 0.032MHz 1/100SECOND Y NO YY-MM-DD-dd 4mA @ 5V 3.3V
MCP795B22-I/ST MCP795B22-I/ST Microchip Technology 0.0000
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0.00000000 download Surface Mount Tube 2011 Obsolete 1 (Unlimited) 14 EAR99 5mm ROHS3 Compliant No 14 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 MCP795B22 14 0.65mm Timer or RTC 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer Clock 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
DS1390U-33/V+T DS1390U-33/V+T Maxim Integrated 0.0000
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0.00000000 download Tape & Reel yes 1 10 EAR99 85°C -40°C 3.3V RoHS Compliant No 10 UMAX CMOS 8473.30.11.80 e3 Matte Tin (Sn) DUAL 225 3.3V INDUSTRIAL YES 0.5mm Timers or RTCs Clock HH:MM:SS:hh Y NO SERIAL, 4 WIRE/SPI
RX-8801JE:UA3ROHS RX-8801JE:UA3ROHS EPSON 0.0000
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Min: 1

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0.00000000
X1227V8I-4.5A X1227V8I-4.5A Renesas Electronics America 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 X1227 Alarm, Leap Year, Supervisor, Watchdog Timer 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1228V14Z X1228V14Z Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 download Surface Mount Bulk 2005 1 14 EAR99 85°C -40°C 5mm RoHS Compliant Lead Free TSSOP 2-Wire, I2C, Serial 4.4mm CMOS 1.2mm 8542.39.00.01 e3 MATTE TIN DUAL 260 5V 40 14 COMMERCIAL 0.65mm R-PDSO-G14 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 1 YY-MM-DD-dd
ISL12027IVZ-T ISL12027IVZ-T Intersil 0.0000
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Min: 1

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0.00000000
X1228S14I-2.7A X1228S14I-2.7A Intersil 0.0000
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Min: 1

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0.00000000
RV-8564-C3-32.768KHZ-10PPM-TA-QC RV-8564-C3-32.768KHZ-10PPM-TA-QC Micro Crystal 0.0000
RFQ

Min: 1

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0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-VCDFN I2C Surface Mount -40°C~85°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, Leap Year 1V~5.5V HH:MM:SS YY-MM-DD-dd 0.35μA @ 3V
X1288V14T1 X1288V14T1 Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 download Surface Mount 2005 1 14 EAR99 85°C -40°C 5mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 30 14 COMMERCIAL 0.65mm R-PDSO-G14 4.5V Timer or RTC Not Qualified 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
RV-3049-C2-32.768KHZ-OPTION-A-TB-QC RV-3049-C2-32.768KHZ-OPTION-A-TB-QC Micro Crystal 0.0000
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Min: 1

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0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-TCDFN Exposed Pad SPI, 4-Wire Serial Surface Mount -40°C~125°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, NVRAM, RAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
ISL1208IRT8Z-TK ISL1208IRT8Z-TK Intersil 0.0000
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Min: 1

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0.00000000
X1228V14-4.5A X1228V14-4.5A Intersil 0.0000
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Min: 1

Mult: 1

0.00000000
RV-3049-C2-32.768KHZ-OPTION-B-TB-QA RV-3049-C2-32.768KHZ-OPTION-B-TB-QA Micro Crystal 0.0000
RFQ

Min: 1

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0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-TCDFN Exposed Pad SPI, 4-Wire Serial Surface Mount -40°C~125°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, NVRAM, RAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
X1228S14-2.7T1 X1228S14-2.7T1 Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 Surface Mount 14 EAR99 70°C 0°C 8.65mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 3.9mm CMOS 1.75mm 8542.39.00.01 DUAL 5V 14 COMMERCIAL 1.27mm R-PDSO-G14 2.7V Not Qualified 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz I2C 1 YY-MM-DD-dd
DS1386-8-120+ DS1386-8-120+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2007 yes Obsolete 1 (Unlimited) 32 EAR99 43.053mm ROHS3 Compliant Lead Free 32-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1386 32 NO 2.54mm R-PDIP-P32 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer 8KB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 0.032MHz 1/100SECOND Y NO 1 YY-MM-DD-dd 4mA @ 5V
X1227S8-2.7T1 X1227S8-2.7T1 Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 Surface Mount Tape & Reel 1 8 EAR99 70°C 0°C 4.9022mm RoHS Compliant Contains Lead No 8 SOIC 2-Wire, I2C, Serial 3.9116mm CMOS 1.7272mm e0 Tin/Lead (Sn/Pb) DUAL 240 5V 40 8 COMMERCIAL 1.27mm 2.7V Timer or RTC 3/5V 5.5V Clock 512B HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
X1228S14IZ-4.5A X1228S14IZ-4.5A Renesas Electronics America 0.0000
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Min: 1

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0.00000000 download Tube Obsolete 3 (168 Hours) ROHS3 Compliant 14-SOIC (0.154, 3.90mm 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
ISL12028IV27Z-T ISL12028IV27Z-T Renesas Electronics America 0.0000
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Min: 1

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0.00000000 download Cut Tape (CT) 2005 Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12028 14 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
X1288V14Z-4.5A X1288V14Z-4.5A Renesas Electronics America 0.0000
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Min: 1

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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 4.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1228V14I-2.7 X1228V14I-2.7 Renesas Electronics America 0.0000
RFQ

Min: 1

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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar 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
ISL12028IVZ-T ISL12028IVZ-T Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 download Surface Mount Tape & Reel 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 YES I2C YY-MM-DD-dd
X1227S8Z-4.5A X1227S8Z-4.5A Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 Surface Mount Bulk 1 8 EAR99 70°C 0°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 COMMERCIAL 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
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