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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 Compliance Code Min Supply Voltage Height Width 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) Operating Temperature (Max) Operating Temperature (Min) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Output Current Feature Load Capacitance Supplier Device Package Number of Terminals Source Url Status Check Date Logic Function Accuracy Screening Level Memory Size 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 Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
ISL1208IU8-TK ISL1208IU8-TK Intersil 0.0000
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Min: 1

Mult: 1

0.00000000
BQ4830YMA-85 BQ4830YMA-85 Texas Instruments 0.0000
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Min: 1

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0.00000000 Through Hole no 28 EAR99 70°C 0°C 5V 37.72mm RoHS Compliant Contains Lead Tin No 28 PDIP Parallel 5.5V 4.5V 9.4mm 18.42mm CMOS 8542.39.00.01 DUAL 5V COMMERCIAL 2.54mm Timer or RTC 5V Clock 31.3kB HH:MM:SS 0.032MHz SECONDS N NO YY-MM-DD-dd
MCP79411T-I/MNY MCP79411T-I/MNY Microchip Technology 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2011 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant No 8 8-WFDFN Exposed Pad I2C, 2-Wire Serial 2mm Surface Mount -40°C~85°C CMOS Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 5V 40 MCP79411 8 0.5mm Timers or RTCs 2/5V Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Clock 64B 1Kb 1.8V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y NO I2C YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
DS1688S+ DS1688S+ Maxim Integrated 0.0000
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0.00000000 download Tube 2009 Obsolete 1 (Unlimited) 28 EAR99 18.1mm ROHS3 Compliant Lead Free CAN ALSO OPERATE WITH 5V SUPPLY 28-SOIC (0.295, 7.50mm Width) Parallel 8.565mm Surface Mount 0°C~70°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3V NOT SPECIFIED DS1688 28 YES 1.27mm R-PDSO-G28 Not Qualified Alarm, Leap Year, Square Wave Output, Unique ID 114B 16 2.7V~3.3V 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD
CDP68HC68T1EZ CDP68HC68T1EZ Renesas Electronics America 0.0000
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Min: 1

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0.00000000 download 9 Weeks Tray 2001 Active 1 (Unlimited) EAR99 ROHS3 Compliant 16-DIP (0.300, 7.62mm) SPI Through Hole -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed CDP68HC68T1 16 Alarm, Leap Year, Square Wave Output, Watchdog Timer 32B 3V~6V HH:MM:SS (12/24 hr) YY-MM-DD-dd 20μA~500μA @ 5V 2.2V~6V
PCF8523TK/1,118 PCF8523TK/1,118 NXP Semiconductors 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2003 Active 1 (Unlimited) 8 4mm ROHS3 Compliant 8-VDFN Exposed Pad I2C, 2-Wire Serial 4mm Surface Mount -40°C~85°C CMOS 1mm 8542.39.00.01 Clock/Calendar DUAL NOT SPECIFIED 3V NOT SPECIFIED PCF8523 8 YES 0.8mm S-PDSO-N8 Timer or RTC Not Qualified 1.2/5.5V Alarm, Leap Year, Watchdog Timer 1.6V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd 0.5μA @ 2V~5V 1.8V~5.5V
RV-8564-C3-32.768KHZ-20PPM-TA-QC RV-8564-C3-32.768KHZ-20PPM-TA-QC Micro Crystal 0.0000
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Min: 1

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0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-VCDFN I2C Surface Mount -40°C~85°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, Leap Year 1V~5.5V HH:MM:SS YY-MM-DD-dd 350nA @ 3V
S-35390A-I8T1U S-35390A-I8T1U ABLIC U.S.A. Inc. 0.0000
RFQ

Min: 1

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0.00000000 download 18 Weeks Tape & Reel (TR) Active 1 (Unlimited) 8 EAR99 2.23mm RoHS Compliant 8-SMD, Flat Lead I2C, 2-Wire Serial 1.97mm Surface Mount -40°C~85°C CMOS 0.5mm 8542.39.00.01 Clock/Calendar e3 TIN DUAL 3V 8 YES 0.5mm R-PDSO-F8 Not Qualified Alarm, Leap Year 1.3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SERIAL, 2-WIRE/I2C 1 YY-MM-DD-dd 0.93μA~1.1μA @ 3V~5V
S-35392A-I8T1U S-35392A-I8T1U ABLIC U.S.A. Inc. 0.0000
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Min: 1

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0.00000000 download 18 Weeks Tape & Reel (TR) Active 1 (Unlimited) 8 EAR99 2.23mm RoHS Compliant 8-SMD, Flat Lead I2C, 2-Wire Serial 1.97mm Surface Mount -40°C~85°C CMOS 0.5mm 8542.39.00.01 Clock/Calendar e3 TIN DUAL 3V 8 YES 0.5mm R-PDSO-F8 Not Qualified Alarm, Leap Year 1.3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SERIAL, 2-WIRE/I2C 1 YY-MM-DD-dd 14μA~30μA @ 3V~5V
BQ3285ESS BQ3285ESS Rochester Electronics 0.0000
RFQ

Min: 1

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0.00000000 download Tube yes Obsolete 3 (168 Hours) 24 8.65mm Non-RoHS Compliant 24-SSOP (0.154, 3.90mm Width) Parallel 3.9mm Surface Mount 0°C~70°C CMOS 1.75mm Clock/Calendar e4 NICKEL PALLADIUM GOLD DUAL 260 5V NOT SPECIFIED 24 YES 0.635mm R-PDSO-G24 COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 300μA @ 5V 2.5V~4V
DS1744-70 DS1744-70 Rochester Electronics 0.0000
RFQ

Min: 1

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0.00000000 download Tube no Obsolete 3 (168 Hours) 28 38.865mm Non-RoHS Compliant 28-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C 10.42mm Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 28 NO 2.54mm R-XDMA-T28 COMMERCIAL Leap Year, NVSRAM, Y2K 32KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 4mA @ 5V
IDT1338C-18SRI IDT1338C-18SRI Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

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0.00000000 download 2006 85°C -40°C Non-RoHS Compliant 16 SOIC 2-Wire, I2C, Serial 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd
X1288V14I-2.7AT1 X1288V14I-2.7AT1 Intersil Corporation 0.0000
RFQ

Min: 1

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0.00000000 1 EAR99 5mm Non-RoHS Compliant not_compliant 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 240 5V 30 14 INDUSTRIAL YES 0.65mm R-PDSO-G14 2.7V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V 14 TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1
AB-RTCMK-32.768KHZ-T3 AB-RTCMK-32.768KHZ-T3 Abracon LLC 0.0000
RFQ

Min: 1

Mult: 1

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 Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output, TCXO/Crystal 8-SMT 1.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD 2μA @ 3V
RTC-4574JE:B3ROHS RTC-4574JE:B3ROHS EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS1393U-18+T&R DS1393U-18+T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2002 Obsolete 1 (Unlimited) 85°C -40°C 1.8V ROHS3 Compliant No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) 3-Wire Serial 1.89V 1.71V Surface Mount -40°C~85°C Clock/Calendar DS1393 Alarm, Leap Year, Square Wave Output, Trickle-Charger 10-uMAX Clock 1.71V~1.89V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 100μA @ 1.71V~1.89V 1.3V~3.7V
RV-3129-C3-32.768KHZ-OPTION-A-TA-QC RV-3129-C3-32.768KHZ-OPTION-A-TA-QC Micro Crystal 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-VCDFN I2C, 2-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, EEPROM, NVRAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
DS1670S DS1670S Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 20-SOIC (0.295, 7.50mm Width) 3-Wire Serial Surface Mount 0°C~70°C Portable System Controller Alarm, Leap Year, Watchdog Timer 20-SOIC 2.97V~3.63V HH:MM:SS (12/24 hr) YY-MM-DD-dd 100μA @ 3.3V 2.5V~3.7V
ISL12022MIBZ ISL12022MIBZ Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount 2007 Active 1 20 EAR99 85°C -40°C 13mm RoHS Compliant Lead Free Tin No 20 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 2.35mm 7.6mm CMOS 8542.39.00.01 e3 DUAL 260 3V 30 20 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock 0.0005 % 128B HH:MM:SS 0.032MHz SECONDS Y I2C 128 B YY-MM-DD-dd
PCA8565AU/5BB/1,01 PCA8565AU/5BB/1,01 NXP Semiconductors 0.0000
RFQ

Min: 1

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0.00000000 download 7 Weeks Bulk 2001 Automotive, AEC-Q100 Active Not Applicable 9 ROHS3 Compliant Die I2C, 2-Wire Serial Surface Mount -40°C~125°C CMOS Clock/Calendar UPPER NOT SPECIFIED 2V NOT SPECIFIED YES R-XUUC-N9 Alarm, Leap Year, Square Wave Output, Watchdog Timer 2013-06-14 00:00:00 1.8V~5.5V HH:MM:SS (24 hr) I2C 1 YY-MM-DD-dd 0.9μA~1.8μA @ 2V~5V
DS1685Q-5 DS1685Q-5 Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube no Obsolete 1 (Unlimited) 28 11.505mm Non-RoHS Compliant 28-LCC (J-Lead) Parallel unknown 11.505mm Surface Mount 0°C~70°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
DS1603 DS1603 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tray 2002 no Obsolete 1 (Unlimited) 7 EAR99 5V 21.335mm Non-RoHS Compliant Contains Lead No 7 ONE BYTE PROTOCOL; 1 HZ FIXED O/P; 10 YEARS DATA RETENTION; ACCURACY 2 MIN/MONTH 14-DIP Module (0.335, 8.51mm) 3-Wire Serial Through Hole 0°C~70°C CMOS 8.38mm 8542.39.00.01 Elapsed Time Counter e0 TIN LEAD SINGLE 240 5V DS1603 7 2.54mm 1mA 50pF Clock, Counter 4.5V~5.5V Binary 2MHz SERIAL, 3-WIRE 1 50μA @ 5V 3V~4.5V
X1226S8IT1 X1226S8IT1 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 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
DS12R885-5 DS12R885-5 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Bulk 24 EAR99 85°C -40°C 5V 17.9mm RoHS Compliant No 24 SOIC 7.5mm CMOS 2.67mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 5V 24 INDUSTRIAL YES 1.27mm Timer or RTC 5V Clock 8 0.032MHz SECONDS Y NO PARALLEL, MUXED BUS 1
ISL12028IV27AZ-T ISL12028IV27AZ-T Renesas Electronics America 0.0000
RFQ

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 ISL12028 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
MCP79522-I/MS MCP79522-I/MS Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 5 Weeks Tube 2012 Active 1 (Unlimited) 10 EAR99 3mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 950μm 3mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 3V 40 MCP79522 YES 0.5mm Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID Clock 64B 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 5MHz YY-MM-DD-dd 1μA @ 1.8V~3.6V 1.3V~3.6V
MCP7940MT-I/SN MCP7940MT-I/SN Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2007 Active 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP7940M 1.27mm 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
MCP79400T-I/ST MCP79400T-I/ST Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2 Weeks Surface Mount Tape & Reel (TR) 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 MCP79400 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
MCP795W21T-I/SL MCP795W21T-I/SL Microchip Technology 0.0000
RFQ

Min: 1

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0.00000000 download 5 Weeks Surface Mount Tape & Reel (TR) 2011 Active 1 (Unlimited) 14 EAR99 8.65mm ROHS3 Compliant No 14 ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ 14-SOIC (0.154, 3.90mm Width) SPI 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 5V 40 MCP795W21 14 1.27mm Timer or RTC 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer Clock 64B 8 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 10MHz 1/100SECOND Y NO YY-MM-DD-dd 1μA @ 1.8V~5.5V 1.3V~3.6V
DS1338Z-18 DS1338Z-18 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2009 no Obsolete 1 (Unlimited) 8 EAR99 4.9mm Non-RoHS Compliant Contains Lead 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial not_compliant 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e0 TIN LEAD DUAL 245 1.8V NOT SPECIFIED DS1338 8 YES 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 1.8V Leap Year, NVSRAM, Square Wave Output 56B 1.71V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd 100μA @ 1.89V 1.3V~3.7V
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