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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 Additional Feature Package / Case Interface Max Supply Voltage REACH SVHC Reach Compliance Code Min Supply Voltage Density Frequency Height Width Thickness Mounting Type Weight Operating Temperature Technology Operating Supply Current Height Seated (Max) Manufacturer Package Identifier HTS Code 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) Operating Temperature (Min) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Number of Outputs Feature Supplier Device Package Number of Terminals Logic Function Access Time Screening Level Memory Size RAM Size Number of Bits Voltage - Supply Time Format External Data Bus Width Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency RAM (words) On Chip Data RAM Width Word Size Time-Min Interrupt Capability Volatile Information Access Method Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
X1288S16I-4.5A X1288S16I-4.5A Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar 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
M48T37Y-70MH6F M48T37Y-70MH6F STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Timekeeper® Obsolete 1 (Unlimited) 44 EAR99 5V 18.1mm ROHS3 Compliant Lead Free 44 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT Parallel 70GHz 8.56mm Surface Mount -40°C~85°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar DUAL 260 5V 10 M48T37 44 0.81mm Timer or RTC Not Qualified 5V Alarm, Leap Year, Watchdog Timer Clock 70 ns 250kB 8 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
M41T94MH6E M41T94MH6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 3 (168 Hours) 28 EAR99 18.49mm ROHS3 Compliant Lead Free 28 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets SPI Unknown 2.69mm 8.89mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Tin (Sn) DUAL 260 3V 30 M41T94 28 1.27mm Timer or RTC Not Qualified 3/5V Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer Clock 44B 2.7V~5.5V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y SERIAL, 3-WIRE 44 B 1 YY-MM-DD-dd 1.4mA @ 2.7V~5.5V 2.5V~3.5V
ISL12025IBZ ISL12025IBZ Renesas Electronics America 0.0000
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0.00000000 download Tube 2018 Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12025 8 Alarm, Leap Year, Supervisor, Unique ID, 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
RTC-8564JE:B3:ROHS RTC-8564JE:B3:ROHS EPSON 0.0000
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0.00000000 download 15 Weeks Tape & Reel (TR) RTC-8564JE Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant 20-LSSOJ (0.213, 5.40mm Width) I2C, 2-Wire Serial 5.5V 1.8V 32.768kHz 1.5mm Surface Mount -40°C~85°C RTC-8564JE:B3:ROHS Clock/Calendar 1 Alarm, Y2K 20-VSOJ 1.8V~5.5V HH:MM:SS YY-MM-DD-dd 0.7μA~0.8μA @ 3V~5V
RX-4571SA:B PURE SN RX-4571SA:B PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks RX-4571SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.6V~5.5V 0.95μA~1μA @ 3V~5V
PT7C4311ZEEX PT7C4311ZEEX Diodes Incorporated 0.0000
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0.00000000 download 18 Weeks Tape & Reel (TR) 2015 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant 8-WFDFN Exposed Pad I2C, 2-Wire Serial 2mm Surface Mount -40°C~85°C TA CMOS 0.8mm 8542.39.00.01 Clock/Calendar DUAL 2V YES 0.5mm R-PDSO-N8 Timer or RTC Not Qualified 1.8/5V Leap Year, Square Wave Output, Y2K 56B 1.2V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD 150μA @ 1.5V~5.5V 2V~3.5V
RTC-72423B RTC-72423B EPSON 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 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 5μA~10μA @ 2V~5V
DP8573AVX DP8573AVX Texas Instruments 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 2A (4 Weeks) 28 EAR99 5V 11.43mm Non-RoHS Compliant Contains Lead No 28 PRESCALED XTAL OSCILLATOR OUTPUT FOR RTC; POWER FAIL I/P FOR BUS LOCK-OUT 28-LCC (J-Lead) Parallel 11.43mm Surface Mount -40°C~85°C CMOS 4.57mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) QUAD 245 5V 30 DP8573 28 1.27mm Timer or RTC Alarm, Leap Year Clock 32B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND Y YES YY-MM-DD-dd 1μA @ 5V 2.2V~5.1V
RTC-4701JE:B ROHS RTC-4701JE:B ROHS EPSON 0.0000
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0.00000000 download Obsolete 1 (Unlimited) 20-LSSOJ (0.213, 5.40mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm 20-VSOJ 1.6V~5.5V
PT7C4563ZEE PT7C4563ZEE Diodes Incorporated 0.0000
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0.00000000 download Obsolete 1 (Unlimited) 8 EAR99 2.995mm 8-WFDFN Exposed Pad I2C, 2-Wire Serial 2mm Surface Mount -40°C~85°C TA CMOS 0.8mm 8542.39.00.01 Clock/Calendar DUAL 3V YES 0.5mm R-PDSO-N8 Alarm, Leap Year, Square Wave Output 1.3V~5.5V HH:MM:SS (24 hr) I2C 1 YY-MM-DD-dd 0.65μA~0.85μA @ 3V~5V
DS1371U DS1371U Rochester Electronics, LLC 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Binary Counter Alarm, Square Wave Output, Watchdog Timer 8-uMAX 1.7V~5.5V Binary Binary 1.3μA @ 1.7V~5.5V
BQ4845P-A4 BQ4845P-A4 Texas Instruments 0.0000
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0.00000000 download Through Hole Tube yes Obsolete 1 (Unlimited) 28 EAR99 5V 37.084mm ROHS3 Compliant Lead Free Tin No 28 28-DIP (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 4.826mm 8542.39.00.01 Clock/Calendar e3 DUAL 5V BQ4845 28 2.54mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Clock 4.75V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.3V~4V
BQ4845S-A4N BQ4845S-A4N Texas Instruments 0.0000
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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 28 EAR99 5V 17.9705mm ROHS3 Compliant Lead Free Gold No 28 28-SOIC (0.295, 7.50mm Width) Parallel No SVHC 7.5565mm Surface Mount 730.794007mg -40°C~85°C CMOS 2.667mm 8542.39.00.01 Clock/Calendar e4 DUAL 260 5V BQ4845 28 1.27mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Clock 4.75V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.3V~4V
X1288S16I-2.7T1 X1288S16I-2.7T1 Intersil Corporation 0.0000
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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
BQ4802LYPWRG4 BQ4802LYPWRG4 Texas Instruments 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) yes 1 28 EAR99 70°C 0°C 3.3V 9.7mm RoHS Compliant Contains Lead No 28 TSSOP Parallel 3.6V 2.7V 4.4mm 117.508773mg CMOS 1.2mm 8542.39.00.01 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 3.3V 28 COMMERCIAL 0.65mm Timer or RTC Clock HH:MM:SS 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd
DS1302+ DS1302+ Maxim Integrated 0.0000
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0.00000000 download 9 Weeks Through Hole Tube 2002 yes Active 1 (Unlimited) 8 EAR99 3.3V 9.91mm ROHS3 Compliant Lead Free Tin No 8 BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA 8-DIP (0.300, 7.62mm) 3-Wire Serial No SVHC 4.45mm 7.87mm Through Hole 930.006106mg 0°C~70°C CMOS 1.2mA Clock/Calendar e3 DUAL 260 3.3V 30 DS1302 8 2.54mm Timer or RTC 3/5V 1 Leap Year, NVSRAM, Trickle-Charger Clock 31B 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N YES SERIAL, 3-WIRE YY-MM-DD-dd 0.3μA~1μA @ 2V~5V 2V~5.5V
MCP7940NT-E/SNVAO MCP7940NT-E/SNVAO Microchip Technology 0.0000
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0.00000000 download Tape & Reel (TR) Automotive, AEC-Q100 Active 3 (168 Hours) 8 4.9mm 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial compliant 3.9mm Surface Mount -40°C~125°C CMOS 1.75mm Clock/Calendar DUAL 2.5V YES 1.27mm R-PDSO-G8 Alarm, Leap Year, Square Wave Output, SRAM AEC-Q100; TS 16949 64B 1.8V~5.5V HH:MM:SS (12/24 hr) I2C 1 YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
X1226V8Z X1226V8Z Renesas Electronics America 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 0°C~70°C Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED 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
X1227S8IZ X1227S8IZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 1 8 EAR99 85°C -40°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 INDUSTRIAL 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
M48T129Y-70PM1 M48T129Y-70PM1 STMicroelectronics 0.0000
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0.00000000 download Through Hole Tube Timekeeper® Obsolete 1 (Unlimited) 32 EAR99 5V 42.8mm ROHS3 Compliant Lead Free 32 32-DIP Module (0.600, 15.24mm) Parallel 70GHz 15.24mm Through Hole 0°C~70°C CMOS 9.52mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN DUAL 225 5V NOT SPECIFIED M48T129 32 2.54mm Timer or RTC Not Qualified 5V Alarm, Leap Year, Watchdog Timer Clock 70 ns 976.6kB 4.5V~5.5V HH:MM:SS (24 hr) 8 128000 8 SECONDS Y NO YY-MM-DD-dd 4mA @ 4.5V~5.5V
RX-8025SA:AA0:ROHS RX-8025SA:AA0:ROHS EPSON 0.0000
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0.00000000 download 15 Weeks Tape & Reel (TR) RX-8025SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.209, 5.30mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
MCP79512T-I/MS MCP79512T-I/MS Microchip Technology 0.0000
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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
1338AC-31SRGI 1338AC-31SRGI Integrated Device Technology (IDT) 0.0000
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0.00000000 download 7 Weeks Surface Mount 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 2.5/5V 5.5V Clock 56B HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd
M48T35AV-10MH6F M48T35AV-10MH6F STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Timekeeper® Obsolete 1 (Unlimited) 28 EAR99 3.3V 18.1mm ROHS3 Compliant Lead Free 28 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets Parallel 256 kb 100GHz Surface Mount -40°C~85°C CMOS 3.05mm 8542.39.00.01 30mA Clock/Calendar DUAL 260 3.3V 10 M48T35 28 1.27mm Timer or RTC Not Qualified 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
RTC-4574SA:B:ROHS RTC-4574SA:B:ROHS EPSON 0.0000
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0.00000000 Surface Mount 85°C -40°C RoHS Compliant SOIC Serial HH:MM:SS (24 hr) YY-MM-DD-dd
DS1689 DS1689 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 28 36.83mm Non-RoHS Compliant AUXILIARY BATTERY I/P; POWER ON INTRPT WITH KICK START; RAM CLEAR I/P; 64-BIT SILICON SERIAL NUMBER 28-DIP (0.600, 15.24mm) Parallel unknown 15.24mm Through Hole 0°C~70°C CMOS 5.08mm Clock/Calendar e0 TIN LEAD DUAL 245 5V NOT SPECIFIED 28 NO 2.54mm R-PDIP-T28 COMMERCIAL NVSRAM 114B 16 2.7V~3.3V 4.5V~5.5V HH:MM:SS (12/24 hr) 8 1 YY-MM-DD-dd 2mA @ 3V 3mA @ 5V 2.5V~3.7V
DS1302Z/T&R DS1302Z/T&R Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2002 Obsolete 1 (Unlimited) 70°C 0°C 3.3V 5mm Non-RoHS Compliant Contains Lead Tin No 8 8-SOIC (0.154, 3.90mm Width) 3-Wire Serial 5.5V Unknown 2V 1.5mm 4mm Surface Mount 506.605978mg 0°C~70°C Clock/Calendar DS1302 Leap Year, NVSRAM, Trickle-Charger 8-SOIC Clock 31B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.3μA~1μA @ 2V~5V 2V~5.5V
X1226V8 X1226V8 Intersil Corporation 0.0000
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0.00000000 EAR99 4.4mm Non-RoHS Compliant not_compliant 3mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 5V 8 COMMERCIAL YES 0.65mm R-PDSO-G8 2.7V 70°C Timer or RTC Not Qualified 3/5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y NO I2C 1
X1227S8I-2.7A X1227S8I-2.7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 1 8 EAR99 85°C -40°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 INDUSTRIAL 1.27mm 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 NO I2C 1 YY-MM-DD-dd
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