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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 REACH SVHC Reach Compliance Code Height Width Mounting Type Weight Operating Temperature Technology Height Seated (Max) HTS Code Evaluation Kit Type JESD-609 Code Terminal Finish Terminal Position 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Supplier Device Package Logic Function Memory Size 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
RX-4581NB:B:ROHS RX-4581NB:B:ROHS EPSON 0.0000
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0.00000000 Surface Mount 85°C -40°C RoHS Compliant 22 SPI 16B HH:MM:SS (24 hr) YY-MM-DD-dd
X1228V14-4.5A X1228V14-4.5A Renesas Electronics America 0.0000
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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 0°C~70°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
DS1556WP-120+ DS1556WP-120+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tray 2003 yes Active 3 (168 Hours) 34 EAR99 ROHS3 Compliant Lead Free 34 34-PowerCap™ Module Parallel not_compliant Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1556 34 YES Timer or RTC Not Qualified 3.3V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 128KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V 3V
DS17885E-3+ DS17885E-3+ Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tray 2000 yes Obsolete 3 (168 Hours) 28 EAR99 3V 11.8mm ROHS3 Compliant Lead Free No 28 28-TSSOP (0.465, 11.80mm Width) Parallel 8mm Surface Mount 0°C~70°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3V 30 DS17885 28 0.55mm Timer or RTC 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 8KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
PT7C4372ALEX PT7C4372ALEX Pericom 0.0000
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0.00000000
DS3231MZ+ DS3231MZ+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2012 yes Active 1 (Unlimited) 8 EAR99 3.3V 5mm ROHS3 Compliant No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 1.5mm 4mm Surface Mount 540.001716mg -40°C~85°C CMOS Yes Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS3231 8 1.27mm Timer or RTC Alarm, Leap Year, Square Wave Output Clock 2.3V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 130μA~200μA @ 3.63V~5.5V 2.3V~5.5V
ISL1209IU10-TK ISL1209IU10-TK Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2004 Discontinued 1 8 EAR99 85°C -40°C 3mm RoHS Compliant Contains Lead 10 MSOP 2-Wire, I2C, Serial 3mm CMOS 1.1mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 3V NOT SPECIFIED 8 INDUSTRIAL 0.65mm S-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V 2B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
DS1501WE+ DS1501WE+ Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tray 2002 yes Obsolete 3 (168 Hours) 28 EAR99 3.3V 11.8mm ROHS3 Compliant Lead Free No 28 28-TSSOP (0.465, 11.80mm Width) Parallel Unknown 8mm Surface Mount 0°C~70°C CMOS 1.2mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1501 28 0.55mm Timers or RTCs Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Clock 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
ISL12028AIV27Z ISL12028AIV27Z Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm 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
ISL12028IV27Z ISL12028IV27Z Rochester Electronics 0.0000
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0.00000000 download Tube 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
DS2417P DS2417P Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2009 Obsolete 1 (Unlimited) 6 EAR99 4mm Non-RoHS Compliant Contains Lead Tin No 6 6-LSOJ (0.148, 3.76mm Width) 1-Wire® Serial Unknown 1.5mm 3.89mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Binary Counter e0 DUAL 240 3V 20 DS2417 6 1.27mm Unique ID Clock 2.5V~5.5V Binary 0.032MHz SERIAL, 1-WIRE 0.45μA @ 2.5V~5.5V
DS1306N+ DS1306N+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2002 yes Active 1 (Unlimited) 16 EAR99 19.175mm ROHS3 Compliant Lead Free 16 16-DIP (0.300, 7.62mm) SPI 7.62mm Through Hole -40°C~85°C CMOS 4.572mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS1306 16 NO 2.54mm Timer or RTC Not Qualified 3/5V Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 96B 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
DS1685QN-5 DS1685QN-5 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 28 11.505mm Non-RoHS Compliant 28-LCC (J-Lead) Parallel unknown 11.505mm Surface Mount -40°C~85°C CMOS 4.57mm Clock/Calendar e0 TIN LEAD QUAD 245 5V NOT SPECIFIED 28 YES 1.27mm S-PQCC-J28 COMMERCIAL Alarm, NVSRAM, Square Wave Output, Y2K 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
CV193DPAG8 CV193DPAG8 Integrated Device Technology 0.0000
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0.00000000
DS1340U-18 DS1340U-18 Maxim Integrated 0.0000
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0.00000000 download Tube 2002 yes Obsolete 1 (Unlimited) 8 EAR99 3mm Non-RoHS Compliant Contains Lead 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) DUAL 260 1.8V 30 DS1340 8 YES 0.65mm S-PDSO-G8 Timer or RTC Not Qualified 1.8V Leap Year, Trickle-Charger 1.71V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO I2C YY-MM-DD-dd 100μA @ 1.89V 1.3V~3.7V
X1288V14-2.7AT1 X1288V14-2.7AT1 Intersil 0.0000
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0.00000000
IDT1339C-2SOGI IDT1339C-2SOGI Integrated Device Technology (IDT) 0.0000
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0.00000000 RoHS Compliant 16 SOIC
DS1747W-120IND+ DS1747W-120IND+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2007 yes Active 1 (Unlimited) 32 EAR99 43.053mm ROHS3 Compliant Lead Free 32 32-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole -40°C~85°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
ISL12027IBZ ISL12027IBZ Intersil 0.0000
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0.00000000
1337DVGI 1337DVGI Renesas Electronics America 0.0000
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0.00000000 download Tube Active 3 (168 Hours) ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1337 Alarm, Leap Year, Square Wave Output 8-TSSOP 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
DS1678S+T&R DS1678S+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tape & Reel (TR) 2009 Active 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.209, 5.30mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Time Event Recorder DS1678 Alarm, Leap Year, NVSRAM, Y2K 8-SO 32B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.6V~3.5V
RTC-4574SA:B:PURE SN RTC-4574SA:B:PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks RTC-4574SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm 14-SOP 1.6V~5.5V 1μA~2μA @ 3V~5V
X1288S16I-2.7AT1 X1288S16I-2.7AT1 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) 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 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
BQ4845S-A4NTR BQ4845S-A4NTR Texas Instruments 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 1 (Unlimited) 28 EAR99 5V 17.9705mm ROHS3 Compliant Lead Free Gold No 28 28-SOIC (0.295, 7.50mm Width) Parallel 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
Q427242110002RTC-72421B Q427242110002RTC-72421B EPSON 0.0000
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0.00000000 RoHS Compliant 18
ISL12027AIV27Z ISL12027AIV27Z 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 -40°C~85°C Clock/Calendar ISL12027A 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
DS1742-85+ DS1742-85+ Rochester Electronics 0.0000
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0.00000000 download Obsolete 3 (168 Hours) ROHS3 Compliant
RTC-4543SA:B3 ROHS RTC-4543SA:B3 ROHS EPSON 0.0000
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0.00000000 download Tape & Reel (TR) RTC-4543SA Obsolete 1 (Unlimited) 14-SOIC (0.197, 5.00mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Leap Year 14-SOP 2.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1μA~3μA @ 2V~5V
DS3232SN#T&R DS3232SN#T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tape & Reel (TR) 2010 Active 1 (Unlimited) ROHS3 Compliant 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar DS3232 Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal 20-SOIC 236B 2.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 120μA~160μA @ 3.3V~5.5V 2.3V~5.5V
DS1743W-120IND+ DS1743W-120IND+ Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2011 yes Obsolete 1 (Unlimited) 28 EAR99 3.3V 38.225mm ROHS3 Compliant Lead Free No 28 28-DIP Module (0.600, 15.24mm) Parallel Unknown 15.24mm Through Hole -40°C~85°C CMOS 10.67mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V DS1743 28 2.54mm Timers or RTCs Leap Year, NVSRAM, Y2K Clock 8KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V
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