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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 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 Thickness Mounting Type 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Number of Outputs Feature Supplier Device Package Logic Function Access Time Screening Level Memory Size Function Supply Current-Max Voltage - Supply Time Format External Data Bus Width Bus Compatibility 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
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
X1226S8IT1 X1226S8IT1 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2005 1 8 EAR99 85°C -40°C 4.9022mm Non-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 NOT SPECIFIED 8 INDUSTRIAL 1.27mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
RX-8025NB:AA3 PURE SN RX-8025NB:AA3 PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8025NB Active 1 (Unlimited) ROHS3 Compliant 22-LFDFN I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 22-SON (5x6) 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
RX-4571NB:B RX-4571NB:B EPSON 0.0000
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0.00000000 download 13 Weeks RX-4571NB Active 1 (Unlimited) ROHS3 Compliant 22-LFDFN 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 22-SON (6.3x4.8) 1.6V~5.5V 0.95μA~1μA @ 3V~5V
RX-4803LC:UA PURE SN RX-4803LC:UA PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks Strip RX-4803LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 12-VSOJ 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 2.1μA~3.4μA @ 3V~5V
RX-8581NB:B3 PURE SN RX-8581NB:B3 PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX-8581NB Active 1 (Unlimited) ROHS3 Compliant 22-LFDFN I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 22-SON (5x6) 1.8V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.8μA~1.2μA @ 3V~5V
DS1391U-33+ DS1391U-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2002 yes Active 1 (Unlimited) 10 EAR99 3mm ROHS3 Compliant Lead Free 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) DUAL 260 3.3V 30 DS1391 10 YES 0.5mm Timers or RTCs Not Qualified 3.3V Alarm, Leap Year, Square Wave Output, Trickle-Charger 2.97V~5.5V HH:MM:SS:hh (12/24 hr) 0.032MHz Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 175μA @ 2.97V~5.5V 1.3V~5.5V
BQ4287MT-SB2 BQ4287MT-SB2 Texas Instruments 0.0000
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0.00000000 Through Hole no 24 EAR99 70°C 0°C 5V 33.72mm RoHS Compliant Contains Lead Tin No 24 DIP Parallel 5.5V No SVHC 4.5V 9.52mm 18.42mm CMOS 8542.39.00.01 DUAL 5V 24 COMMERCIAL 2.54mm Timer or RTC 5V 12 Clock 114B HH:MM:SS (12/24 hr) SECONDS Y NO 1 YY-MM-DD-dd
DP8573AV DP8573AV Texas Instruments 0.0000
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0.00000000 download Surface Mount Tube 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
BQ32002DR BQ32002DR Texas Instruments 0.0000
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0.00000000 6 Weeks ACTIVE (Last Updated: 1 week ago) Surface Mount Tape & Reel (TR) yes Active 1 (Unlimited) 8 EAR99 3.3V 4.9mm ROHS3 Compliant Lead Free Gold 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 1.75mm 3.91mm 1.58mm Surface Mount -40°C~85°C CMOS Clock/Calendar e4 DUAL 260 3.3V NOT SPECIFIED BQ32002 8 1.27mm Leap Year, Square Wave Output, Trickle-Charger 0.2mA 3V~3.6V HH:MM:SS (24 hr) I2C 0.032MHz I2C YY-MM-DD-dd 65μA @ 3.3V 1.4V~3.6V
ISL12058IRTZ ISL12058IRTZ Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tube 2009 Active 1 (Unlimited) EAR99 ROHS3 Compliant 8-WDFN Exposed Pad I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED ISL12058 8 Alarm, Leap Year 1.8V~3.6V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.65μA @ 1.8V
ISL12058IRUZ-T ISL12058IRUZ-T Intersil 0.0000
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0.00000000
DS1500WEN+ DS1500WEN+ Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tray 2007 yes Obsolete 3 (168 Hours) 32 EAR99 3.3V 18.6mm ROHS3 Compliant Lead Free No 32 32-LFSOP (0.724, 18.40mm Width) Parallel Unknown 1.04mm 8.2mm Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1500 32 0.5mm Timer or RTC Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Clock 256B 3V~3.6V HH:MM:SS (24 hr) SECONDS Y NO 1 YY-MM-DD-dd 4mA @ 3V~3.6V 2.5V~3.7V
PCF2127T/2,518 PCF2127T/2,518 NXP Semiconductors 0.0000
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0.00000000 download Active RoHS Compliant 16 Clock/Calendar HH:MM:SS DW:DM:M:Y
DS1554WP-120IND+ DS1554WP-120IND+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Surface Mount Tray 2010 yes Active 3 (168 Hours) 34 EAR99 3.3V 25.019mm ROHS3 Compliant Lead Free No 34 34-PowerCap™ Module Parallel 23.495mm Surface Mount -40°C~85°C CMOS 2.3368mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 245 3.3V 40 DS1554 34 1.27mm Timer or RTC Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 32KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V 3V
DS1672-3 DS1672-3 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2002 Obsolete 1 (Unlimited) 8 EAR99 3V 9.375mm Non-RoHS Compliant Contains Lead, Lead Free 8 8-DIP (0.300, 7.62mm) I2C, 2-Wire Serial not_compliant 7.62mm Through Hole -40°C~85°C CMOS 4.572mm Binary Counter e0 TIN LEAD DUAL 240 3V 20 DS1672 8 2.54mm Timer or RTC Not Qualified 3V Trickle-Charger Clock, Counter 2.7V~3.3V Binary 0.032MHz SECONDS N NO I2C 500μA @ 3.3V 1.3V~3.63V
X1226V8IT1 X1226V8IT1 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2005 8 EAR99 85°C -40°C 4.4mm Non-RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 3mm CMOS 1.2mm 8542.39.00.01 DUAL 5V 8 INDUSTRIAL 0.65mm R-PDSO-G8 2.7V Not Qualified 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz I2C 1 YY-MM-DD-dd
DS1384FP-12 DS1384FP-12 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tray 2000 Obsolete 3 (168 Hours) 44 EAR99 10mm Non-RoHS Compliant Contains Lead 44-QFP Parallel not_compliant 10mm Surface Mount 0°C~70°C CMOS 2.45mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) QUAD 240 5V 20 DS1384 44 0.8mm S-PQFP-G44 Timer or RTC Not Qualified 5V Alarm, Leap Year, Square Wave Output, Watchdog Timer Clock 50B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 0.032MHz 1/100SECOND Y YES 1 YY-MM-DD-dd 3mA @ 5V 2.4V~4V
DS1244WP-120IND DS1244WP-120IND Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 Obsolete 3 (168 Hours) 34 EAR99 3.3V Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel 120GHz Surface Mount -40°C~85°C CMOS 8542.39.00.01 Phantom Time Chip e0 TIN LEAD DUAL 240 3.3V DS1244 34 Timer or RTC 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 3V
PT7C4302AWEX PT7C4302AWEX Diodes Incorporated 0.0000
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0.00000000 20 Weeks Tape & Reel (TR) Active 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) 3-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 31B 1.2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 1.2V~5.5V
PCF8564AU/5GE/1,01 PCF8564AU/5GE/1,01 NXP Semiconductors 0.0000
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0.00000000
RX6110SA:B0 PURE SN RX6110SA:B0 PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX6110SA Active 1 (Unlimited) 14 10.1mm ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C, SPI 5mm Surface Mount -40°C~85°C CMOS 3.3mm Clock/Calendar e3 Tin (Sn) DUAL GULL WING NOT SPECIFIED 3V NOT SPECIFIED YES 1.27mm R-PDSO-G14 Alarm, SRAM 16B 1.6V~5.5V I2C; SERIAL 0.25μA @ 3V
RX8804CE:XB3 RX8804CE:XB3 EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RX8804CE Active 1 (Unlimited) ROHS3 Compliant 10-SMD, No Lead I2C Surface Mount -40°C~105°C Clock/Calendar Alarm 10-SMD 1.6V~5.5V 1.5μA~1.6μA @ 3V~5V
DS3231M+ DS3231M+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2010 yes Active 3 (168 Hours) 16 EAR99 3.3V 10.3mm ROHS3 Compliant No 16 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar DUAL 3.3V DS3231 16 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
1337CSOGI 1337CSOGI Integrated Device Technology (IDT) 0.0000
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0.00000000 yes 1 16 85°C -40°C 3.3V 10.3mm RoHS Compliant No SOIC 7.5mm CMOS 2.65mm e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 30 INDUSTRIAL YES 1.27mm R-PDSO-G16 Timer or RTC 2/5V 5.5V Clock HH:MM:SS TIMER, MEMORY REFRESH SECONDS Y I2C 1
X1227S8 X1227S8 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 8 EAR99 70°C 0°C 4.89mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 3.9mm CMOS 1.75mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 8 COMMERCIAL 1.27mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V 3.9kB HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
PCF8593T/1,112 PCF8593T/1,112 NXP Semiconductors 0.0000
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0.00000000 download Tube 1997 Discontinued 1 (Unlimited) 8 4.9mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e4 NICKEL PALLADIUM GOLD DUAL NOT SPECIFIED 3V NOT SPECIFIED PCF8593 8 YES 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 3/5V Alarm, NVSRAM 8B 2.5V~6V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND Y YES I2C YY-MM-DD-dd 8μA~15μA @ 2V~5V
PCF8593T,112 PCF8593T,112 NXP Semiconductors 0.0000
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0.00000000
PCF2129AT/1,512 PCF2129AT/1,512 NXP Semiconductors 0.0000
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0.00000000 download Tube 2003 Obsolete 3 (168 Hours) 20 ROHS3 Compliant 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 MATTE TIN DUAL NOT SPECIFIED NOT SPECIFIED PCF2129 20 YES 1.27mm R-PDSO-G20 Timers or RTCs Not Qualified 2/4V Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer 1.8V~4.2V HH:MM:SS (12/24 hr) SECONDS Y YES SERIAL, 4 WIRE/SPI YY-MM-DD-dd 1.5μA @ 3.3V 1.8V~4.2V
M41ST95WMX6 M41ST95WMX6 STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 3 (168 Hours) 28 EAR99 3.3V 17.96mm ROHS3 Compliant Lead Free 28 28-SOIC (0.295, 7.50mm Width) SPI 7.62mm Surface Mount -40°C~85°C CMOS 2.69mm 8542.39.00.01 Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL NOT SPECIFIED 3V NOT SPECIFIED M41ST 28 1.27mm Timer or RTC Not Qualified Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer Clock 44B 2.7V~3.6V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 1.4mA @ 2.7V~3.6V 2.5V~3.5V
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