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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 Density Frequency Height Width Mounting Type Operating Temperature Technology Height Seated (Max) Manufacturer Package Identifier 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) Feature Supplier Device Package Number of Terminals Logic Function Access Time Accuracy Memory Size Number of Bits Voltage - Supply Time Format External Data Bus Width 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
DS1672S-3+T&R DS1672S-3+T&R Maxim Integrated 0.0000
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Min: 1

Mult: 1

0.00000000 download 9 Weeks Tape & Reel (TR) 2002 Active 1 (Unlimited) ROHS3 Compliant Lead Free 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Binary Counter DS1672 Trickle-Charger 8-SO 2.7V~3.3V Binary Binary 500μA @ 3.3V 1.3V~3.63V
PT7C43390WEX PT7C43390WEX Pericom 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RTC-4543SB:A RTC-4543SB:A EPSON 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Bulk Obsolete 1 (Unlimited) 85°C -40°C Non-RoHS Compliant 18-SOIC (0.209, 5.30mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Leap Year 18-SOP 2.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1μA~3μA @ 2V~5V
DS1500W DS1500W Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Through Hole Tube 2011 Obsolete 3 (168 Hours) 32 EAR99 Non-RoHS Compliant Contains Lead 32 32-DIP Module (0.600, 15.24mm) Parallel not_compliant Through Hole 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1500 32 2.54mm Timer or RTC Not Qualified 3.3V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 256B 3V~3.6V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 4mA @ 3V~3.6V 2.5V~3.7V
DS1743P-100+ DS1743P-100+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Surface Mount Tube 2012 yes Obsolete 3 (168 Hours) 34 EAR99 5V ROHS3 Compliant Lead Free No 34 A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel Unknown 100GHz Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 5V DS1743 34 Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 100 ns 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS N NO YY-MM-DD-dd 3mA @ 5V 3V
DS1388Z-33+T&R DS1388Z-33+T&R Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 6 Weeks Tape & Reel (TR) 2002 Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant Lead Free 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C S8+4 Clock/Calendar DS1388 EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer 8-SOIC 512B 2.97V~3.63V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 150μA @ 2.97V~3.63V 1.3V~5.5V
ISL12022MIBZR5421 ISL12022MIBZR5421 Renesas Electronics America 0.0000
RFQ

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
RX-4571SA:B PURE SN RX-4571SA:B PURE SN EPSON 0.0000
RFQ

Min: 1

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0.00000000 download 13 Weeks RX-4571SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.6V~5.5V 0.95μA~1μA @ 3V~5V
1337AGCSRGI 1337AGCSRGI Renesas Electronics America 0.0000
RFQ

Min: 1

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0.00000000 download Tube Active 3 (168 Hours) ROHS3 Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output 16-SOIC 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.3μA @ 1.3V~1.8V
DS1500WEN DS1500WEN Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tray 2005 Obsolete 3 (168 Hours) 32 EAR99 18.4mm Non-RoHS Compliant Contains Lead 32-LFSOP (0.724, 18.40mm Width) Parallel not_compliant 8mm Surface Mount -40°C~85°C CMOS 1.24mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V 20 DS1500 32 YES 0.5mm R-PDSO-G32 Timer or RTC Not Qualified 3.3V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 256B 3V~3.6V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 4mA @ 3V~3.6V 2.5V~3.7V
DS17885E-3 DS17885E-3 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Bulk 2010 3 28 EAR99 11.8mm Non-RoHS Compliant Lead Free not_compliant 8mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 240 3V 20 28 COMMERCIAL YES 0.55mm R-PDSO-G28 2.7V 70°C Timer or RTC Not Qualified 3V 3.7V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES PARALLEL, MUXED BUS 1
MCP795W22T-I/ST MCP795W22T-I/ST Microchip Technology 0.0000
RFQ

Min: 1

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0.00000000 download 3 Weeks Surface Mount Tape & Reel (TR) 2011 Active 1 (Unlimited) 14 EAR99 5mm ROHS3 Compliant No 14 ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ 14-TSSOP (0.173, 4.40mm Width) SPI 4.4mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 5V 40 MCP795W22 14 0.65mm 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
ISL12028IBZ ISL12028IBZ Rochester Electronics 0.0000
RFQ

Min: 1

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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 Alarm, Leap Year, Supervisor, Watchdog Timer 14-SOIC 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
DS1500WN DS1500WN Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2011 Obsolete 1 (Unlimited) 32 EAR99 Non-RoHS Compliant Contains Lead 32 32-DIP Module (0.600, 15.24mm) Parallel not_compliant Through Hole -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1500 32 2.54mm Timer or RTC Not Qualified 3.3V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 256B 3V~3.6V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 4mA @ 3V~3.6V 2.5V~3.7V
X1228S14IZ X1228S14IZ Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount 2005 3 14 EAR99 85°C -40°C 8.6614mm RoHS Compliant Lead Free SOIC 2-Wire, I2C, Serial 3.9116mm CMOS 1.7272mm 8542.39.00.01 e3 MATTE TIN DUAL 260 5V 40 14 INDUSTRIAL 1.27mm R-PDSO-G14 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 1 YY-MM-DD-dd
DS1248WP-120IND+ DS1248WP-120IND+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Tray 2012 yes Active 3 (168 Hours) 34 3A991.B.2.A 24.384mm ROHS3 Compliant Lead Free 34-PowerCap™ Module Parallel not_compliant 23.495mm Surface Mount -40°C~85°C CMOS 6.858mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED DS1248 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 3.3V NVSRAM 128KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V 3V
ISL12022MAIBZ-T ISL12022MAIBZ-T Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tape & Reel 2004 Active 1 20 EAR99 85°C -40°C 12.8mm RoHS Compliant No 20 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 7.5mm CMOS 2.65mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 3V 20 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock 0.0005 % 128B HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
DS12R885S-33+ DS12R885S-33+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tube 2003 yes Active 1 (Unlimited) 24 EAR99 3.3V 15.6mm ROHS3 Compliant Lead Free Tin No 24 24-SOIC (0.295, 7.50mm Width) Parallel Unknown 2.35mm 7.6mm Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e3 DUAL 260 3.3V DS12R885 24 1.27mm Timer or RTC Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger Clock 114B 2.97V~3.63V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 2mA @ 2.97V~3.63V 2V~3.05V
RX-8025SA:AA0:PURESN RX-8025SA:AA0:PURESN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RX-4574LC:B PURE SN RX-4574LC:B PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks RX-4574LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm 12-VSOJ 1.6V~5.5V 0.7μA~0.9μA @ 3V~5V
IDT1339-31DVGI8 IDT1339-31DVGI8 Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2006 85°C -40°C RoHS Compliant TSSOP 2-Wire, I2C, Serial HH:MM:SS (12/24 hr) YY-MM-DD-dd
DS1343E-3+ DS1343E-3+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 20 EAR99 3V 6.5mm ROHS3 Compliant No 20 20-TSSOP (0.173, 4.40mm Width) SPI 4.4mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar DUAL 3V DS1343 20 0.65mm Timers or RTCs 3V Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger Clock 96B 2.7V~5.5V HH:MM:SS (12/24 hr) 4MHz SECONDS Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 1.3V~5.5V
DS1553WP-120 DS1553WP-120 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2003 no Obsolete 3 (168 Hours) 34 EAR99 3.3V Non-RoHS Compliant Contains Lead Tin No 34 A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel Unknown Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e0 DUAL 240 3.3V DS1553 34 Timer or RTC Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 8KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 2mA @ 3.3V 3V
PT7C4563UEX PT7C4563UEX Diodes Incorporated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 9 Weeks Surface Mount Tape & Reel (TR) 2017 Last Time Buy 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C TA CMOS 1.1mm 8542.39.00.01 Clock/Calendar DUAL 3V PT7C4563 0.65mm S-PDSO-G8 Timer or RTC Not Qualified 1.5/5V Alarm, Leap Year, Square Wave Output Clock 1.3V~5.5V HH:MM:SS (24 hr) SECONDS Y YES I2C 1 YY-MM-DD-dd 0.65μA~0.85μA @ 3V~5V
DS1254YB-100 DS1254YB-100 Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tray 2005 Obsolete 4 (72 Hours) 5V Non-RoHS Compliant Contains Lead No 168 168-BGA Parallel 16 Mb 100GHz Surface Mount 0°C~70°C Phantom Time Chip DS1254 Leap Year, NVSRAM 100 ns 2MB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8b YY-MM-DD-dd 7mA @ 3.3V 3V
DS1672U-33 DS1672U-33 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

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
ISL12028IB27Z-T ISL12028IB27Z-T Rochester Electronics 0.0000
RFQ

Min: 1

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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 Alarm, Leap Year, Supervisor, Watchdog Timer 14-SOIC 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
1337DCGI8 1337DCGI8 Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

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0.00000000 icon-pbfree yes 1 EAR99 4.9mm RoHS Compliant compliant 3.9mm CMOS 1.75mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL GULL WING 260 3.3V 30 8 INDUSTRIAL YES 1.27mm R-PDSO-G8 1.8V 85°C -40°C Timer or RTC Not Qualified 2/5V 5.5V 8 TIMER, REAL TIME CLOCK SECONDS Y I2C 1
DS1685SN-3 DS1685SN-3 Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Tube 2005 Obsolete 1 (Unlimited) 24 EAR99 15.4mm Non-RoHS Compliant Contains Lead 24-SOIC (0.295, 7.50mm Width) Parallel not_compliant 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 245 3V NOT SPECIFIED DS1685 24 YES 1.27mm R-PDSO-G24 Timer or RTC Not Qualified 3V Alarm, NVSRAM, Square Wave Output, Y2K 242B 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS YES 1 YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
DS1557WP-120IND DS1557WP-120IND Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2005 no Obsolete 3 (168 Hours) 34 EAR99 Non-RoHS Compliant Contains Lead 34-PowerCap™ Module Parallel not_compliant Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e0 TIN LEAD DUAL 240 3.3V NOT SPECIFIED DS1557 34 YES R-XDMA-U34 Timer or RTC Not Qualified 3.3V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 512KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V 3V
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