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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 Termination 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 Frequency Height Width Mounting Type Weight Operating Temperature Technology Height Seated (Max) HTS Code 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) Number of Outputs Feature Supplier Device Package Logic Function Access Time 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 Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1642-100+ DS1642-100+ Maxim Integrated 0.0000
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0.00000000 download Tube 2010 yes Obsolete 1 (Unlimited) 24 EAR99 33.02mm ROHS3 Compliant Lead Free 24 24-DIP Module (0.600, 15.24mm) Parallel Through Hole 0°C~70°C CMOS 10.668mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1642 24 NO 2.54mm Timer or RTC Not Qualified 5V Leap Year, NVSRAM 100 ns 2KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V
RTC-72421A RTC-72421A EPSON 0.0000
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0.00000000 download Through Hole Tube Obsolete 1 (Unlimited) 70°C -10°C 5V Non-RoHS Compliant 18 18-DIP (0.300, 7.62mm) Parallel 5.5V 4.5V Through Hole -10°C~70°C Clock/Calendar Leap Year 18-DIP 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA~10μA @ 2V~5V
ISL12029AIB27Z-T ISL12029AIB27Z-T Renesas Electronics America Inc. 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 Surface Mount -40°C~85°C Clock/Calendar ISL12029A 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
RX8900SA:UA3 PURE SN RX8900SA:UA3 PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX8900SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 14-SOIC 2.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1.4μA~1.5μA @ 3V~5V 1.6V~5.5V
PCF85063AT/AZ PCF85063AT/AZ NXP Semiconductors / Freescale 0.0000
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0.00000000 Non-RoHS Compliant
DS1284Q+T&R DS1284Q+T&R Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2009 Obsolete 1 (Unlimited) 70°C 0°C ROHS3 Compliant Lead Free 28 28-LCC (J-Lead) Parallel 5.5V 4.5V Surface Mount 0°C~70°C Clock/Calendar DS1284 Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer 28-PLCC (11.51x11.51) Clock 50B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 7mA @ 5V 2.4V~3.5V
RA-4574SA:B3ROHS RA-4574SA:B3ROHS EPSON 0.0000
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0.00000000
BQ3285LDSSTRG4 BQ3285LDSSTRG4 Texas Instruments 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 2 (1 Year) 24 EAR99 3V 8.65mm ROHS3 Compliant Lead Free Gold No 24 24-SSOP (0.154, 3.90mm Width) Parallel 3.9mm Surface Mount 129.500622mg 0°C~70°C CMOS 1.73mm 8542.39.00.01 Clock/Calendar e4 DUAL 260 3V BQ3285 24 0.635mm Timer or RTC 3V Alarm, Daylight Savings, NVSRAM Clock 242B 2.7V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 100μA @ 3V 2.4V~4V
KR3225Y32768EAW30TAA KR3225Y32768EAW30TAA AVX / Kyocera 0.0000
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0.00000000
DS1501WEN DS1501WEN Maxim Integrated 0.0000
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0.00000000 download Surface Mount 2007 no 3 28 EAR99 85°C -40°C 3.3V 8.1mm RoHS Compliant Contains Lead No 28 TSOP Parallel 3.6V Unknown 3V 1.05mm 11.9mm CMOS 8473.30.11.80 e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V 20 28 INDUSTRIAL 0.55mm Timer or RTC Clock 256B HH:MM:SS 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd
DS1486-120 DS1486-120 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2005 no Obsolete 1 (Unlimited) 32 EAR99 5V 43.053mm Non-RoHS Compliant Contains Lead, 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 e0 Tin/Lead (Sn/Pb) DUAL 240 5V DS1486 32 2.54mm Timer or RTC 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer Clock 128KB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND Y NO 1 YY-MM-DD-dd 4mA @ 5V
X1205V8IT1 X1205V8IT1 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 1 8 EAR99 85°C -40°C 4.4mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 3mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 30 8 INDUSTRIAL 0.65mm 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 YES I2C YY-MM-DD-dd
DS1337+ DS1337+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Through Hole Tube 2006 yes Active 1 (Unlimited) 8 Through Hole EAR99 3.3V 9.91mm ROHS3 Compliant Contains Lead No 8 8-DIP (0.300, 7.62mm) I2C, 2-Wire Serial Unknown 32.768kHz 4.45mm 7.87mm Through Hole -40°C~85°C CMOS Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1337 8 Timer or RTC 1.5/5V 2 Alarm, Leap Year, Square Wave Output Clock 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y YES I2C 1 YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
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
RV-3032-C7 32.768KHZ-2.5PPM-TA-QC RV-3032-C7 32.768KHZ-2.5PPM-TA-QC Micro Crystal 0.0000
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0.00000000
ISL12025IVZ-T ISL12025IVZ-T Rochester Electronics 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 Alarm, Leap Year, Supervisor, Unique ID, Watchdog Timer 8-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
DS1251W-120 DS1251W-120 Maxim Integrated 0.0000
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0.00000000 download Tube 2005 Obsolete 1 (Unlimited) 32 EAR99 43.053mm Non-RoHS Compliant Contains Lead 32-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 10.922mm 8542.39.00.01 Phantom Time Chip e0 Tin/Lead (Sn/Pb) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1251 32 NO 2.54mm R-PDIP-P32 Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM 512KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V
NJU6355EM NJU6355EM New Japan Radio (NJR) 0.0000
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0.00000000
ISL12058IBZ ISL12058IBZ Intersil 0.0000
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0.00000000
DS1286+ DS1286+ Maxim Integrated 0.0000
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0.00000000 download Tube 2009 yes Obsolete 1 (Unlimited) 28 EAR99 38.865mm ROHS3 Compliant Lead Free ACCURACY 2 MIN/MONTH @ 25 DEGREE C; 1024 HZ FIXED O/P 28-DIP Module (0.61, 15.49mm), 23 Leads Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 10.28mm 8542.32.00.41 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS1286 28 NO 2.54mm R-XDMA-P28 Timer or RTC Not Qualified 5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer 50B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 0.032MHz 1/100SECOND Y NO 1 YY-MM-DD-dd 7mA @ 5V 2.4V~3.5V
RS5C372B-E2-F RS5C372B-E2-F Ricoh Electronic Devices Company 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant 8-LSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 8-SSOP Clock 1.7V~6V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.9μA~2μA @ 3V~6V
BQ3285ESSTR BQ3285ESSTR Texas Instruments 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 2 (1 Year) 24 EAR99 5V 8.65mm ROHS3 Compliant Lead Free Gold No 24 24-SSOP (0.154, 3.90mm Width) Parallel 3.9mm Surface Mount 129.500622mg 0°C~70°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e4 DUAL 260 5V BQ3285 24 0.635mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 300μA @ 5V 2.5V~4V
PCF2127AT PCF2127AT NXP Semiconductors 0.0000
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0.00000000 download Active Yes with exemptions 20 Clock/Calendar HH:MM:SS DW:DM:M:Y
RV-8263-C7-32.768KHZ-20PPM-TA-QC RV-8263-C7-32.768KHZ-20PPM-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 8-WCDFN I2C Surface Mount -40°C~85°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, Leap Year, RAM 0.9V~5.5V HH:MM:SS YY-MM-DD-dd 240nA @ 3V
ISL12027IVAZ ISL12027IVAZ 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 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
PT7C4337LE PT7C4337LE Diodes Incorporated 0.0000
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0.00000000 download 8 Weeks 2011 Obsolete 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C TA CMOS 1.2mm 8542.39.00.01 Clock/Calendar DUAL 3.3V YES 0.65mm R-PDSO-G8 Timer or RTC Not Qualified 2/5V Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd 0.8μA @ 1.3V~1.8V
X1226V8IT1 X1226V8IT1 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) 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 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
RX-8581NB:B3PURESN RX-8581NB:B3PURESN EPSON 0.0000
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0.00000000
M48T37V-10MH6E M48T37V-10MH6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Timekeeper® Obsolete 1 (Unlimited) 44 EAR99 18.1mm Non-RoHS Compliant Lead Free 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT Parallel 100GHz 8.56mm Surface Mount -40°C~85°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar DUAL 260 3.3V 10 M48T37 44 0.81mm R-PDSO-G44 Timer or RTC Not Qualified 3.3V Alarm, Leap Year, Watchdog Timer Clock 100 ns 250kB 8 3V~3.6V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 2mA @ 3V~3.6V
ISL12029AIB27Z ISL12029AIB27Z Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 2 (1 Year) ROHS3 Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12029A 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
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