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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 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 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) Voltage Number of Outputs Feature Supplier Device Package Source Url Status Check Date Logic Function 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
DS1643-85+ DS1643-85+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Through Hole Tube 2010 yes Obsolete 1 (Unlimited) 34 EAR99 5V ROHS3 Compliant No 28 28-DIP Module (0.600, 15.24mm) Parallel Through Hole 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 MATTE TIN DUAL 5V DS1643 34 R-XDMA-U34 Leap Year, NVSRAM Clock 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 3mA @ 5V
ISL12026IBZ ISL12026IBZ Intersil 0.0000
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0.00000000
X1205V8I X1205V8I Renesas Electronics America 0.0000
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Min: 1

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0.00000000 download Tube 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 X1205 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
ISL1220IUZ-T ISL1220IUZ-T Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

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0.00000000 download 5 Weeks Surface Mount Digi-Reel® 2001 Active 2 8 EAR99 85°C -40°C 4.4mm RoHS Compliant Lead Free No 10 MSOP 2-Wire, I2C, Serial 5.5V Unknown 2.7V 1.2mm CMOS 0.65mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3V 40 10 INDUSTRIAL 0.5mm S-PDSO-G8 Timer or RTC 3/5V Clock 8B HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
PT7C43190LEX PT7C43190LEX Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
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Min: 1

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0.00000000 Wire 8 EAR99 4.4mm RoHS Compliant 3mm CMOS 1.2mm 8542.39.00.01 DUAL GULL WING 3V INDUSTRIAL 0.65mm R-PDSO-G8 1.3V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V TIMER, REAL TIME CLOCK SECONDS Y NO 1
RX-8025SA:AA0:PURE SN RX-8025SA:AA0:PURE SN EPSON 0.0000
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Min: 1

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0.00000000 download 15 Weeks Tape & Reel (TR) RX-8025SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.209, 5.30mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
X1226S8I X1226S8I Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 download Surface Mount Bulk 2005 1 8 EAR99 85°C -40°C 4.9022mm 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 HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
RX-8035SA:AA0:PURESN RX-8035SA:AA0:PURESN EPSON 0.0000
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Min: 1

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0.00000000
ISL12022MIBZR5421 ISL12022MIBZR5421 Renesas Electronics America 0.0000
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Min: 1

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0.00000000 download 7 Weeks Tube 2008 Active 1 (Unlimited) EAR99 ROHS3 Compliant 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED ISL12022 20 Alarm, Daylight Savings, Leap Year, SRAM 128B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 14μA~15μA @ 3V~5V 1.8V~5.5V
DS1672U-3 DS1672U-3 Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Surface Mount Tube 2002 Obsolete 1 (Unlimited) 8 EAR99 3V 3mm Non-RoHS Compliant Contains Lead 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial not_compliant 3mm Surface Mount -40°C~85°C CMOS 1.1mm Binary Counter e0 TIN LEAD DUAL 240 3V 20 DS1672 8 0.65mm 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
RTC-8564NBB RTC-8564NBB Epson America, Inc 0.0000
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0.00000000 download Obsolete RoHS non-compliant 20 Clock/Calendar/Alarm/Timer HH:MM:SS DW:DM:M:Y
ISL12022MIBZ ISL12022MIBZ Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tube 2011 Active 1 (Unlimited) 20 EAR99 12.8mm ROHS3 Compliant ALSO OPERATES WITH 5 V NOMINAL 20-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 e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3V NOT SPECIFIED ISL12022 20 YES 1.27mm R-PDSO-G20 Alarm, Daylight Savings, Leap Year, SRAM 128B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C; SERIAL YY-MM-DD-dd 14μA~15μA @ 3V~5V 1.8V~5.5V
X1226V8Z X1226V8Z Renesas Electronics America 0.0000
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Min: 1

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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 e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED 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
ISL12057IRUZ-T ISL12057IRUZ-T Intersil 0.0000
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Min: 1

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0.00000000
X1228V14Z-4.5A X1228V14Z-4.5A Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RX-5412SF:B3PURESN RX-5412SF:B3PURESN EPSON 0.0000
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Min: 1

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0.00000000
X1288V14Z-2.7A X1288V14Z-2.7A Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 Surface Mount 14 EAR99 85°C -40°C 5mm RoHS Compliant TSSOP 2-Wire, I2C, Serial 4.4mm CMOS 1.2mm 8542.39.00.01 DUAL NOT SPECIFIED 5V NOT SPECIFIED 14 COMMERCIAL 0.65mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 3/5V 5.5V HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1 YY-MM-DD-dd
BQ4850YMA-85 BQ4850YMA-85 Texas Instruments 0.0000
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Min: 1

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0.00000000 download Through Hole Tray no Obsolete 1 (Unlimited) 32 EAR99 5V 42.8mm ROHS3 Compliant Contains Lead No 32 32-DIP Module (0.61, 15.49mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 9.53mm 8542.39.00.01 Clock/Calendar DUAL 5V BQ4850 32 2.54mm Timer or RTC 5V Alarm Clock 3.9MB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 1mA @ 4.5V~5.5V
X1227S8I-2.7AT2 X1227S8I-2.7AT2 Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°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
ISL12023IVZ-T ISL12023IVZ-T Renesas Electronics America 0.0000
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Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12023 Alarm, Daylight Savings, Leap Year, SRAM 128B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 14μA~15μA @ 3V~5V 1.8V~5.5V
RX-4045NB:AAB PURE SN RX-4045NB:AAB PURE SN EPSON 0.0000
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Min: 1

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0.00000000 download 13 Weeks RX-4045NB Active 1 (Unlimited) ROHS3 Compliant 22-LFDFN 4-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm 1.7V~5.5V HH:MM:SS YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
X1205V8T1 X1205V8T1 Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

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 0°C~70°C Clock/Calendar X1205 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
X1227V8I-4.5A X1227V8I-4.5A Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 Surface Mount Bulk 8 EAR99 85°C -40°C 4.4mm Non-RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial not_compliant 3mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 8 INDUSTRIAL 0.65mm 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 YES I2C YY-MM-DD-dd
DS1305E+ DS1305E+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 20 EAR99 6.5mm ROHS3 Compliant Lead Free Tin No 20 20-TSSOP (0.173, 4.40mm Width) SPI No SVHC 32.8kHz 900μm 4.4mm Surface Mount 190.990737mg 0°C~70°C CMOS Clock/Calendar e3 DUAL 260 5V 30 DS1305 20 0.65mm Timer or RTC 5V 1 Alarm, Leap Year, NVSRAM, Trickle-Charger Clock 96B 2V~5.5V HH:MM:SS (12/24 hr) SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
DS1337S/T&R DS1337S/T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2012 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar DS1337 Alarm, Leap Year, Square Wave Output 8-SOIC 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
X1227S8I-4.5A X1227S8I-4.5A Intersil 0.0000
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Min: 1

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0.00000000
PCF8583BS/5,118 PCF8583BS/5,118 NXP Semiconductors / Freescale 0.0000
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Min: 1

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0.00000000 download Non-RoHS Compliant 20 2013-06-14 00:00:00
DS1672U-33 DS1672U-33 Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tube 2002 no Obsolete 1 (Unlimited) 8 EAR99 3.3V 3.1mm Non-RoHS Compliant Contains Lead No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Unknown 400kHz 950μm 3.1mm Surface Mount -40°C~85°C CMOS Binary Counter e0 TIN LEAD DUAL 240 3.3V 20 DS1672 8 0.65mm Timer or RTC Trickle-Charger Clock, Counter 32 2.97V~3.63V Binary SECONDS N NO I2C 500μA @ 3.63V 1.3V~3.63V
CBC34803-M5C-TR1 CBC34803-M5C-TR1 Cymbet Corporation 0.0000
RFQ

Min: 1

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0.00000000 download 2 Weeks Surface Mount Tape & Reel (TR) 2014 EnerChip™ Active 3 (168 Hours) RoHS Compliant Lead Free 16 16-LQFN I2C, 2-Wire Serial unknown Surface Mount -10°C~70°C Clock/Calendar Alarm, Leap Year 2.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 2.75V~3.25V
CBC34123-M5C-TR1 CBC34123-M5C-TR1 Cymbet 0.0000
RFQ

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0.00000000 Surface Mount Tape & Reel (TR) 70°C -20°C RoHS Compliant Lead Free 16 QFN SPI unknown HH:MM:SS (12/24 hr) YY-MM-DD-dd
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