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RTCs

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Lifecycle Status Mount Packaging Published Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) Number of Terminations Termination 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 Frequency Height Width Mounting Type Weight 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 Number of Terminals Logic Function Access Time Screening Level Memory Size Function 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
M48T248Y-70PM1 M48T248Y-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 Phantom Time Chip e3 MATTE TIN DUAL 225 5V NOT SPECIFIED M48T248 32 2.54mm Timer or RTC Not Qualified 5V Leap Year Clock 70 ns 1000kB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 5mA @ 4.5V~5.5V
X1228V14IZ X1228V14IZ Intersil Corporation 0.0000
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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
ISL12027IVZ-T ISL12027IVZ-T Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12027 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
DS12885Q+T&R DS12885Q+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tape & Reel (TR) 2010 Active 1 (Unlimited) ROHS3 Compliant Lead Free 28-LCC (J-Lead) Parallel Surface Mount 0°C~70°C Clock/Calendar DS12885 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 28-PLCC (11.51x11.51) 114B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
RTC4543SA:B RTC4543SA:B Epson America, Inc 0.0000
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0.00000000 download Tube Obsolete RoHS non-compliant 14 Clock/Calendar HH:MM:SS DW:DM:M:Y
BQ4845S-A4G4 BQ4845S-A4G4 Texas Instruments 0.0000
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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 28 EAR99 5V 18mm ROHS3 Compliant Lead Free Gold No 28 28-SOIC (0.295, 7.50mm Width) Parallel 2.35mm 7.52mm Surface Mount 730.794007mg 0°C~70°C CMOS 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) 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.3V~4V
MCP79401-I/ST MCP79401-I/ST Microchip Technology 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2011 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 MCP79401 8 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Clock TS 16949 64B 1.8V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 1.2μA Typ @ 3.3V 1.3V~5.5V
DS1501WS+ DS1501WS+ Maxim Integrated 0.0000
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0.00000000 download Tube 2013 yes Obsolete 1 (Unlimited) 28 EAR99 18.1mm ROHS3 Compliant Lead Free 28-SOIC (0.295, 7.50mm Width) Parallel 8.565mm Surface Mount 0°C~70°C CMOS 3.05mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED DS1501 28 YES 1.27mm R-PDSO-G28 Timer or RTC Not Qualified 3.3V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 256B 3V~3.6V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 4mA @ 3V~3.6V 2.5V~3.7V
ISL12027IBAZ ISL12027IBAZ Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12027 8 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
DS1248W-120IND+ DS1248W-120IND+ Maxim Integrated 0.0000
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0.00000000 download 11 Weeks Tube 2012 yes Active 1 (Unlimited) 32 3A991.B.2.A 43.053mm ROHS3 Compliant Lead Free 32-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole -40°C~85°C CMOS 10.922mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED DS1248 32 NO 2.54mm R-PDIP-P32 Timer or RTC Not Qualified 3.3V NVSRAM 128KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V
ISL12025IBZ-T ISL12025IBZ-T Intersil 0.0000
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0.00000000
ISL12057IUZ-T ISL12057IUZ-T Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tape & Reel (TR) 2008 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 e3 Matte Tin (Sn) - annealed DUAL 260 3V 30 ISL12057 8 YES 0.65mm S-PDSO-G8 Not Qualified Alarm, Leap Year 1.8V~3.6V HH:MM:SS (12/24 hr) 0.032MHz I2C YY-MM-DD-dd 0.65μA @ 1.8V
M41T93RMY6F M41T93RMY6F STMicroelectronics 0.0000
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0.00000000 download 25 Weeks ACTIVE (Last Updated: 6 months ago) Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 18 EAR99 11.66mm ROHS3 Compliant Lead Free No 18 18-SOX, 18-SOIC with Crystal (7.5mm Width) SPI 2.39mm 7.67mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 240 3V 30 M41T93 18 1.27mm Timers or RTCs 3/5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 7B 8 2.7V~5.5V HH:MM:SS:hh (24 hr) 5MHz 1/100SECOND Y 7 kB 1 YY-MM-DD-dd 10μA @ 5.5V 1.8V~5.5V
DS1308U-33+ DS1308U-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2013 yes Active 1 (Unlimited) 8 EAR99 3.3V 3mm ROHS3 Compliant Tin 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 TIN DUAL 260 3.3V 30 DS1308 8 0.65mm Timer or RTC 3.3/5V Leap Year, NVSRAM, Square Wave Output Clock 56B 3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO I2C YY-MM-DD-dd 125μA~200μA @ 3V~5.5V 1.3V~5.5V
BQ4845S-A4N BQ4845S-A4N Rochester Electronics 0.0000
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0.00000000 Tube Obsolete 1 (Unlimited) ROHS3 Compliant 28-SOIC (0.295, 7.50mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer 28-SOIC 4.75V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.3V~4V
DS17887-3+ DS17887-3+ Maxim Integrated 0.0000
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0.00000000 download 19 Weeks Tube 2000 yes Active 1 (Unlimited) 24 EAR99 33.782mm ROHS3 Compliant Lead Free 24-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 9.398mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3V NOT SPECIFIED DS17887 24 NO 2.54mm R-PDIP-T24 Timer or RTC Not Qualified 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 8KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
PT7C4372ALE PT7C4372ALE Diodes Incorporated 0.0000
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0.00000000 download 9 Weeks Surface Mount Tube 2012 Last Time Buy 3 (168 Hours) 8 EAR99 4.4mm ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN DUAL 260 3V NOT SPECIFIED 0.65mm R-PDSO-G8 Timer or RTC Not Qualified 2/5V Alarm, Leap Year 1.8V~6V HH:MM:SS (12/24 hr) SECONDS Y YES I2C 1 YY-MM-DD-dd 0.8μA @ 3V
RV-3049-C3-32.768KHZ-OPTION-B-TB-QA RV-3049-C3-32.768KHZ-OPTION-B-TB-QA Micro Crystal 0.0000
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0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-VCDFN 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
PT7C4337WEX PT7C4337WEX Pericom 0.0000
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0.00000000
ISL12030IBZ ISL12030IBZ Intersil 0.0000
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0.00000000
M48T08Y-10MH1E M48T08Y-10MH1E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Timekeeper® Obsolete 3 (168 Hours) 28 SMD/SMT 5V 18.49mm Non-RoHS Compliant Lead Free No 28 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets Parallel No SVHC 32.768kHz 2.69mm 8.89mm Surface Mount 0°C~70°C CMOS Clock/Calendar e3 Tin (Sn) DUAL 260 5V 30 M48T08 28 1.27mm Timer or RTC 5V 9 Leap Year, Watchdog Timer Clock 100 ns 62.5kB 4.5V~5.5V HH:MM:SS (24 hr) SECONDS N NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
X1227S8I X1227S8I Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 8 4.9022mm Non-RoHS Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9116mm Surface Mount -40°C~85°C CMOS 1.7272mm Clock/Calendar e0 TIN LEAD DUAL 240 5V 40 8 YES 1.27mm R-PDSO-G8 COMMERCIAL Alarm, Leap Year, Supervisor, Watchdog Timer 4.5V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
AB0815-T3 AB0815-T3 Abracon LLC 0.0000
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0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 85°C -40°C RoHS Compliant Lead Free No 16-VFQFN Exposed Pad SPI 3.6V 1.7V Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer 16-QFN (3x3) Clock 256B 1.7V~3.6V HH:MM:SS:hh 256 B YY-MM-DD-dd 0.17μA~0.22μA @ 1.8V~3V 1.5V~3.6V
DS1244YP-70+ DS1244YP-70+ Maxim Integrated 0.0000
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0.00000000 download 11 Weeks Tube 2011 yes Active 3 (168 Hours) 34 EAR99 25.019mm ROHS3 Compliant Lead Free 34-PowerCap™ Module Parallel not_compliant 23.495mm Surface Mount 0°C~70°C CMOS 6.858mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1244 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 5V Leap Year, NVSRAM 32KB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 10mA @ 5V 3V
PCF8563PN PCF8563PN NXP Semiconductors / Freescale 0.0000
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0.00000000 8 EAR99 85°C -40°C 9.5mm RoHS Compliant Lead Free PDIP 5.5V 1.8V 7.62mm CMOS 4.2mm 8542.39.00.01 DUAL 250 2V 40 8 INDUSTRIAL NO 2.54mm Timer or RTC Not Qualified 2/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C
RV-3029-C3-32.768KHZ-OPTION-B-TA-QC RV-3029-C3-32.768KHZ-OPTION-B-TA-QC Micro Crystal 0.0000
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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, NVRAM, RAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
ISL12020MIRZ ISL12020MIRZ Intersil 0.0000
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0.00000000
RX-8803LC:UC PURE SN RX-8803LC:UC PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks RX-8803LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 1.6V~5.5V HH:MM:SS YY-MM-DD 2.1μA~3.4μA @ 3V~5V
DS1744WP-120+ DS1744WP-120+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tube 2012 yes Active 3 (168 Hours) 34 EAR99 25.019mm ROHS3 Compliant Lead Free 34 34-PowerCap™ Module Parallel not_compliant 23.495mm Surface Mount 0°C~70°C CMOS 2.3368mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1744 34 YES 1.27mm Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM, Y2K 32KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V 3V
X1226S8T1 X1226S8T1 Intersil 0.0000
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0.00000000
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