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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 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 Operating Temperature Technology Height Seated (Max) HTS Code Number of Functions 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) Consumer IC Type Application Number of Outputs Feature Frequency Stability Supplier Device Package Source Url Status Check Date Logic Function Access Time Memory Size Function Supply Current-Max Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency RAM (words) On Chip Data RAM Width Display Mode Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery Battery End of Life Indication Frequency Trimming Alarm
RX8900SA:UA3PURESN RX8900SA:UA3PURESN EPSON 0.0000
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Min: 1

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0.00000000
X1228V14IZ-2.7A X1228V14IZ-2.7A Intersil 0.0000
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DS1244W-120IND DS1244W-120IND Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2005 Obsolete 1 (Unlimited) 28 EAR99 3.3V 38.862mm Non-RoHS Compliant Contains Lead No 28 28-DIP Module (0.600, 15.24mm) Parallel 120GHz 15.24mm Through Hole -40°C~85°C CMOS 9.398mm 8542.39.00.01 Phantom Time Chip e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V DS1244 28 2.54mm Timer or RTC 3.3/5V Leap Year, NVSRAM Clock 120 ns 32KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V
DS1318E+ DS1318E+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount Tube 2011 yes Active 1 (Unlimited) 24 EAR99 7.9mm ROHS3 Compliant Lead Free No 24 24-TSSOP (0.173, 4.40mm Width) Parallel Unknown 950μm 4.5mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Elapsed Time Counter e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1318 24 0.65mm Alarm, Square Wave Output 3V~3.6V Binary 0.032MHz 1 150μA @ 3V~3.6V 1.6V~3.7V
ISL12027IB30AZ ISL12027IB30AZ Renesas Electronics America 0.0000
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Min: 1

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0.00000000 download Tube 2010 Obsolete 1 (Unlimited) EAR99 ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar NOT SPECIFIED NOT SPECIFIED 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
MAX31341BEWC+ MAX31341BEWC+ Maxim Integrated 0.0000
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0.00000000 download Active 1 (Unlimited) ROHS3 Compliant 12-WFBGA, WLBGA I2C Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output 64B 1.6V~3.6V HH:MM:SS (24 hr) YY-MM-DD-dd 0.33μA~0.39μA @ 1.6V~3.6V 1.6V~3.6V
DS1747W-120 DS1747W-120 Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Through Hole Tube 2012 no Obsolete 1 (Unlimited) 32 EAR99 3.3V 44.2mm Non-RoHS Compliant Contains Lead No 32 32-DIP Module (0.600, 15.24mm) Parallel Unknown 10.92mm 18.8mm Through Hole 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V DS1747 32 2.54mm Timer or RTC Leap Year, NVSRAM, Y2K Clock 512KB 2.97V~3.63V HH:MM:SS (24 hr) SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V
DS1554P-70 DS1554P-70 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 Obsolete 3 (168 Hours) 34 EAR99 5V Non-RoHS Compliant Contains Lead No 34 IT CAN ALSO OPERATE WITH 5V 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e0 TIN LEAD DUAL 240 5V DS1554 34 Timer or RTC 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 32KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V 3V
DS1557P-70IND DS1557P-70IND Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 34 Non-RoHS Compliant 34-PowerCap™ Module Parallel Surface Mount -40°C~85°C Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 512KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 6mA @ 5V 3V
RX-8571SA:B0PURESN RX-8571SA:B0PURESN EPSON 0.0000
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0.00000000
DS1501YZ+T&R DS1501YZ+T&R Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 8 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 70°C 0°C 5V ROHS3 Compliant No 28 28-SOIC (0.295, 7.50mm Width) Parallel 5.5V 4.5V Surface Mount 0°C~70°C Clock/Calendar DS1501 Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 28-SOIC Clock 256B 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
PT7C4337LE PT7C4337LE Pericom 0.0000
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0.00000000
DS1286 DS1286 Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Through Hole Tube 2009 no Obsolete 1 (Unlimited) 28 EAR99 5V 39.12mm Non-RoHS Compliant Contains Lead No 28 ACCURACY 2 MIN/MONTH @ 25 DEGREE C; 1024 HZ FIXED O/P 28-DIP Module (0.61, 15.49mm), 23 Leads Parallel Unknown 9.4mm 18.29mm Through Hole 0°C~70°C CMOS 8542.32.00.41 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 5V DS1286 28 2.54mm Timer or RTC 5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 50B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND Y NO 1 YY-MM-DD-dd 7mA @ 5V 2.4V~3.5V
PT7C433833UE PT7C433833UE Diodes Incorporated 0.0000
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0.00000000 download 8 Weeks Surface Mount Tube 2012 Last Time Buy 1 (Unlimited) 8 EAR99 3.3V 3mm ROHS3 Compliant 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar DUAL 3V 0.65mm Timer or RTC Not Qualified 3/5V Leap Year, NVSRAM, Square Wave Output 56B 2.7V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO I2C 1 YY-MM-DD-dd 125μA @ 2.7V~5.5V 1.5V~3.7V
RX-8581NB:B3 RX-8581NB:B3 EPSON 0.0000
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0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) RX-8581NB Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant Contains Lead 22 22-SMD, 20 Leads, Flat Leads I2C, 2-Wire Serial 5.5V 1.8V Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 22-SON Clock 1.8V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.8μA~1.2μA @ 3V~5V
MCP7940MT-I/ST MCP7940MT-I/ST Microchip Technology 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2011 Active 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant Lead Free 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 MCP7940M 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock 64B 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO I2C 1 YY-MM-DD-dd 1μA @ 5.5V
NTE2062 NTE2062 NTE Electronics 0.0000
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0.00000000 28 Non-RoHS Compliant 28 PMOS 1 DUAL THROUGH-HOLE 28 OTHER NO 1.78mm 70°C -30°C Clock ICs Not Qualified -12V LED CLOCK ALARM CLOCKS; CLOCK-RADIOS 7mA DIGITAL NO NO YES
M48T129V-85PM1 M48T129V-85PM1 STMicroelectronics 0.0000
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0.00000000 download Through Hole Tube Timekeeper® Obsolete 1 (Unlimited) 32 EAR99 3.3V 42.8mm ROHS3 Compliant Contains Lead 32 32-DIP Module (0.600, 15.24mm) Parallel 85GHz 15.24mm Through Hole 0°C~70°C CMOS 9.52mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN DUAL 225 3.3V NOT SPECIFIED M48T129 32 2.54mm Timer or RTC Not Qualified Alarm, Leap Year, Watchdog Timer Clock 85 ns 976.6kB 3V~3.6V HH:MM:SS (24 hr) 8 128000 8 SECONDS Y NO YY-MM-DD-dd 3mA @ 3V~3.6V
DS1647-120+ DS1647-120+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Through Hole Tube 2012 yes Obsolete 1 (Unlimited) 32 EAR99 5V 43.053mm ROHS3 Compliant Lead Free No 32 32-DIP Module (0.600, 15.24mm) Parallel Unknown 15.24mm Through Hole 0°C~70°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V DS1647 32 2.54mm Timer or RTC 5V Leap Year, NVSRAM Clock 512KB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS N NO YY-MM-DD-dd 4mA @ 4.5 V~5.5 V
PT7C4307WE-2017 PT7C4307WE-2017 Diodes Incorporated 0.0000
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0.00000000 download Obsolete RoHS Compliant 8 Clock/Calendar/Alarm/Interrupt/Square-Wave Output HH:MM:SS DW:DM:M:Y
X1205V8 X1205V8 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 8 4.4mm Non-RoHS Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 3mm Surface Mount 0°C~70°C CMOS 1.2mm Clock/Calendar e0 TIN LEAD DUAL 240 5V 30 8 YES 0.65mm R-PDSO-G8 COMMERCIAL Alarm, Leap Year 2.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
DS1687-5+ DS1687-5+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 19 Weeks Tube 2000 yes Active 1 (Unlimited) 24 EAR99 33.782mm ROHS3 Compliant Lead Free 24 24-DIP Module (0.600, 15.24mm) Parallel not_compliant Through Hole 0°C~70°C CMOS 9.398mm Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1687 24 NO 2.54mm Timer or RTC Not Qualified 5V 11 Alarm, NVSRAM, Square Wave Output, Y2K 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
AB-RTCMK-32.768KHZ-T AB-RTCMK-32.768KHZ-T Abracon LLC 0.0000
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0.00000000 download 16 Weeks Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 85°C -40°C RoHS Compliant Lead Free No 8 8-SMD Module I2C, 2-Wire Serial 5.5V 1.3V 32.768kHz Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output, TCXO/Crystal 5 ppm 8-SMT 1.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD 2μA @ 3V
PCF8593TD-T PCF8593TD-T NXP Semiconductors / Freescale 0.0000
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0.00000000 Cut Tape yes 8 EAR99 4.9mm RoHS Compliant Lead Free 8 3.9mm CMOS 1.75mm DUAL GULL WING NOT SPECIFIED 3V NOT SPECIFIED 8 INDUSTRIAL YES 1.27mm 2.5V -40°C Timer or RTC Not Qualified 3/5V 6V 2013-06-14 00:00:00 8B TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C
X1227V8Z-2.7A X1227V8Z-2.7A 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 X1227 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
DS12885+ DS12885+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 8 Weeks Tube 2003 yes Active 1 (Unlimited) 24 EAR99 31.75mm ROHS3 Compliant Lead Free 24 DAYLIGHT SAVINGS OPTION; SELECTABLE MOTOROLA/INTEL TIMING 24-DIP (0.600, 15.24mm) Parallel Through Hole 0°C~70°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS12885 24 NO 2.54mm Timer or RTC Not Qualified 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
X1227S8-2.7 X1227S8-2.7 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 0°C~70°C CMOS 1.7272mm Clock/Calendar e0 TIN LEAD DUAL 240 5V 30 8 YES 1.27mm R-PDSO-G8 COMMERCIAL Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~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
ISL12029IV27Z ISL12029IV27Z 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 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
PT7C4337BWEX PT7C4337BWEX Diodes Incorporated 0.0000
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Min: 1

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0.00000000 20 Weeks Tape & Reel (TR) Active 8-SOIC (0.154, 3.90mm 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
ISL12028IBAZ-T ISL12028IBAZ-T Intersil 0.0000
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0.00000000
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