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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 Contact Plating Radiation Hardening Number of Pins Package / Case Interface Max Supply Voltage REACH SVHC Reach Compliance Code Min Supply Voltage Height Width Thickness Mounting Type Operating Temperature Technology Operating Supply Current 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 Number of Terminals Logic Function Memory Size Memory Type 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
X1227V8IZ X1227V8IZ Intersil Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 1 EAR99 4.4mm RoHS Compliant compliant 3mm CMOS 1.2mm 8542.39.00.01 e3 MATTE TIN DUAL GULL WING 260 5V 40 8 INDUSTRIAL YES 0.65mm R-PDSO-G8 4.5V 85°C -40°C Timer or RTC Not Qualified 5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1
X1288S16I-2.7T1 X1288S16I-2.7T1 Intersil Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 1 EAR99 10.3mm Non-RoHS Compliant not_compliant 7.5mm CMOS 2.65mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 240 5V NOT SPECIFIED 16 INDUSTRIAL YES 1.27mm R-PDSO-G16 2.7V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V 16 TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1
ISL12028IV27Z-T ISL12028IV27Z-T Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer 14-TSSOP 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
DS1391U+33 DS1391U+33 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Bulk 2012 yes 1 10 EAR99 3mm RoHS Compliant compliant 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 YES SERIAL, 3-WIRE 1
X1227S8I-2.7AT2 X1227S8I-2.7AT2 Intersil Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 3 Non-RoHS Compliant not_compliant CMOS e0 Tin/Lead (Sn/Pb) DUAL GULL WING INDUSTRIAL YES 1.27mm R-PDSO-G8 85°C -40°C Timer or RTC Not Qualified 3/5V 8 SECONDS Y NO SERIAL, 2 WIRE/I2C
X1288V14-2.7T1 X1288V14-2.7T1 Intersil Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 1 EAR99 5mm Non-RoHS Compliant not_compliant 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 240 5V 30 14 COMMERCIAL YES 0.65mm R-PDSO-G14 2.7V 70°C Timer or RTC Not Qualified 3/5V 5.5V 14 TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1
X1227V8IZ-2.7A X1227V8IZ-2.7A Intersil Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 1 EAR99 4.4mm RoHS Compliant compliant 3mm CMOS 1.2mm 8542.39.00.01 e3 MATTE TIN DUAL GULL WING 260 5V 40 8 INDUSTRIAL YES 0.65mm R-PDSO-G8 2.7V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1
X1228V14IZ-2.7 X1228V14IZ-2.7 Intersil Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 1 EAR99 5mm RoHS Compliant compliant 4.4mm CMOS 1.2mm 8542.39.00.01 e3 MATTE TIN DUAL GULL WING 260 5V 40 14 INDUSTRIAL YES 0.65mm R-PDSO-G14 2.7V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V 14 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1
RX-8025SA:AA3:ROHS RX-8025SA:AA3:ROHS Epson 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Tape & Reel (TR) 85°C -40°C RoHS Compliant 14 SOIC 2-Wire, I2C, Serial HH:MM:SS (12/24 hr) YY-MM-DD-dd
DS1556WP-120 DS1556WP-120 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2005 yes Obsolete 3 (168 Hours) 34 EAR99 3.3V Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 3.3V DS1556 34 Timer or RTC Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 128KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V 3V
M41T62LC6F M41T62LC6F STMicroelectronics 0.0000
RFQ

Min: 1

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0.00000000 download 24 Weeks Surface Mount Tape & Reel (TR) Timekeeper® Active 1 (Unlimited) 8 EAR99 3.3mm ROHS3 Compliant Lead Free Tin No 8 8-LCC I2C, 2-Wire Serial 800μm 1.6mm Surface Mount -40°C~85°C CMOS Clock/Calendar DUAL 3V M41T62 8 0.9mm Timer or RTC 1.5/4V Alarm, Leap Year, Square Wave Output, Watchdog Timer Clock 1.3V~4.4V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y I2C 16 B 1 YY-MM-DD-dd 0.7μA~0.95μA @ 1.3V~4.4V
ISL1208IB8Z ISL1208IB8Z Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks Tube Active 1 (Unlimited) 8 EAR99 4.9022mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9116mm Surface Mount -40°C~85°C CMOS 1.7272mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3V NOT SPECIFIED ISL1208 8 YES 1.27mm R-PDSO-G8 Alarm, Leap Year, SRAM 2B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
X1228S14Z-4.5A X1228S14Z-4.5A Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
ISL12029IVAZ-T ISL12029IVAZ-T Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm 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
DS1554P-70IND DS1554P-70IND Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2005 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 5V NOT SPECIFIED DS1554 34 YES R-XDMA-U34 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 32KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V 3V
PT7C4337BLEX PT7C4337BLEX Diodes Incorporated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 20 Weeks Tape & Reel (TR) Active 8-TSSOP (0.173, 4.40mm 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
RX-4581NB:B3 ROHS RX-4581NB:B3 ROHS EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) RX-4581NB Active 1 (Unlimited) ROHS3 Compliant 22-SMD, 20 Leads, Flat Leads SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, SRAM 22-SON 16B 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.8μA~1.2μA @ 3V~5V
RV-3129-C3-32.768KHZ-OPTION-B-TA-QC RV-3129-C3-32.768KHZ-OPTION-B-TA-QC Micro Crystal 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-VCDFN I2C, 2-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, EEPROM, NVRAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
DS1554-70IND+ DS1554-70IND+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Through Hole Tube 2003 yes Active 1 (Unlimited) 32 EAR99 5V 44.2mm ROHS3 Compliant Lead Free Tin No 32 32-DIP Module (0.600, 15.24mm) Parallel Unknown 10.92mm 18.8mm Through Hole -40°C~85°C CMOS 75mA 8473.30.11.80 Clock/Calendar e3 DUAL 5V DS1554 32 2.54mm Timer or RTC 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 32KB RAM 4.5V~5.5V HH:MM:SS (24 hr) SECONDS Y NO YY-MM-DD-dd 6mA @ 5V
X1288V14I-2.7 X1288V14I-2.7 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Bulk 1 14 EAR99 85°C -40°C 5mm Non-RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial not_compliant 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 30 14 INDUSTRIAL 0.65mm R-PDSO-G14 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
1339AC-31SRGI8 1339AC-31SRGI8 Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2006 yes Active 3 16 EAR99 85°C -40°C 3.3V 10.4mm RoHS Compliant Lead Free Tin 16 SOIC 2-Wire, I2C, Serial 2.34mm 7.6mm 2.34mm CMOS 8542.39.00.01 e3 DUAL 260 NOT SPECIFIED 16 INDUSTRIAL 1.27mm Timer or RTC Not Qualified 3.3/5.5V 5.5V Clock HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
MCP79512T-I/MS MCP79512T-I/MS Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 10 EAR99 3mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 3V 40 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
PT7C4311AWEX PT7C4311AWEX Diodes Incorporated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 14 Weeks Tape & Reel (TR) Active 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Leap Year, Square Wave Output, Y2K 56B 1.2V~5.5V HH:MM:SS (24 hr) YY-MM-DD 150μA @ 1.5V~5.5V 2V~3.5V
ISL12026IVZ ISL12026IVZ Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2 Weeks Surface Mount Bulk 2010 Active 1 8 EAR99 85°C -40°C 3.3V 3.05mm RoHS Compliant Lead Free No 8 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 1.05mm 4.5mm CMOS e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 30 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock 512B HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
ISL12025IVZ ISL12025IVZ Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
ISL12026IBZ ISL12026IBZ Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS14285 DS14285 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2005 yes Obsolete 1 (Unlimited) 24 EAR99 31.75mm Non-RoHS Compliant Lead Free 24 24-DIP (0.600, 15.24mm) Parallel Through Hole 0°C~70°C CMOS 5.08mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS14285 24 2.54mm Timer or RTC Not Qualified 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 114B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 0.5μA @ 4.5V~5.5V 2.5V~3.6V
DS1685S-3 DS1685S-3 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2002 Obsolete 1 (Unlimited) 24 EAR99 15.4mm Non-RoHS Compliant Contains Lead 24-SOIC (0.295, 7.50mm Width) Parallel not_compliant 7.5mm Surface Mount 0°C~70°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 245 3V NOT SPECIFIED DS1685 24 YES 1.27mm R-PDSO-G24 Timer or RTC Not Qualified 3V Alarm, NVSRAM, Square Wave Output, Y2K 242B 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS YES 1 YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
1337DCGI8 1337DCGI8 Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 icon-pbfree yes 1 EAR99 4.9mm RoHS Compliant compliant 3.9mm CMOS 1.75mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL GULL WING 260 3.3V 30 8 INDUSTRIAL YES 1.27mm R-PDSO-G8 1.8V 85°C -40°C Timer or RTC Not Qualified 2/5V 5.5V 8 TIMER, REAL TIME CLOCK SECONDS Y I2C 1
1338-31DVGI 1338-31DVGI Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Surface Mount Bulk 2006 yes Active 3 8 EAR99 85°C -40°C 3mm RoHS Compliant Lead Free Tin 8 MSOP 2-Wire, I2C, Serial 5.5V 3.3V 3mm 970μm CMOS 1.1mm e3 DUAL 260 30 8 INDUSTRIAL 0.65mm Timer or RTC Not Qualified 3.6/5V Clock 56B HH:MM:SS 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd
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