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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 Operating Supply Current 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 Load Capacitance Supplier Device Package Number of Terminals Source Url Status Check Date Logic Function Access Time Memory Size Memory Type 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
ISL12024IRTCZ ISL12024IRTCZ Intersil 0.0000
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Min: 1

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0.00000000
ISL12027IV27AZ-T ISL12027IV27AZ-T Intersil 0.0000
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Min: 1

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0.00000000
ISL1220IUZ-T ISL1220IUZ-T Intersil (Renesas Electronics America) 0.0000
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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
DS1284QN/T&R DS1284QN/T&R Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Surface Mount Tape & Reel (TR) 2009 Obsolete 1 (Unlimited) 85°C -40°C Non-RoHS Compliant Contains Lead 28 28-LCC (J-Lead) Parallel 5.5V 4.5V Surface Mount -40°C~85°C Clock/Calendar DS1284 Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer 28-PLCC (11.51x11.51) Clock 50B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 7mA @ 5V 2.4V~3.5V
M41T82ZM6E M41T82ZM6E STMicroelectronics 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant Lead Free 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial unknown 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 3V 30 M41T82 8 1.27mm Timers or RTCs Not Qualified 3/5V Alarm, Leap Year, SRAM, Watchdog Timer Clock 7B 8 2.38V~5.5V HH:MM:SS:hh (24 hr) 0.4MHz 1/100SECOND Y NO I2C 1 YY-MM-DD-dd 10μA @ 5.5V 2V~5.5V
PCF8593T,118 PCF8593T,118 NXP Semiconductors / Freescale 0.0000
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Min: 1

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0.00000000 download Surface Mount Tape and Reel 85°C -40°C RoHS Compliant 8 SO 6V 1V 8 2013-06-14 00:00:00 HH:MM:SS:hh
RV-3029-C2-32.768KHZ-OPTION-B-TB-QA RV-3029-C2-32.768KHZ-OPTION-B-TB-QA Micro Crystal 0.0000
RFQ

Min: 1

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0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-TCDFN Exposed Pad I2C, 2-Wire Serial Surface Mount -40°C~125°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, NVRAM, RAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
RX-8571NB B3 PSN RX-8571NB B3 PSN Epson America, Inc 0.0000
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Min: 1

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0.00000000 download Tape and Reel Active Yes with exemptions 20 Clock/Calendar/Alarm/Timer/Interrupt HH:MM:SS DW:DM:M:Y
X1226V8T2 X1226V8T2 Intersil Corporation 0.0000
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Min: 1

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0.00000000 3 EAR99 4.4mm Non-RoHS Compliant not_compliant 3mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 240 5V 30 8 COMMERCIAL YES 0.65mm R-PDSO-G8 2.7V 70°C Timer or RTC Not Qualified 3/5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1
PCF2123BS/1,118 PCF2123BS/1,118 NXP Semiconductors 0.0000
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Min: 1

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0.00000000
DS1500YE+ DS1500YE+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tray 2011 yes Obsolete 1 (Unlimited) 32 EAR99 18.4mm ROHS3 Compliant Lead Free 32-LFSOP (0.724, 18.40mm Width) Parallel 8mm Surface Mount 0°C~70°C CMOS 1.24mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS1500 32 YES 0.5mm R-PDSO-G32 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 256B 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
DS1390U-33+T&R DS1390U-33+T&R Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant Lead Free Tin No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 5.5V Unknown 2.97V Surface Mount -40°C~85°C Clock/Calendar DS1390 Alarm, Leap Year, Square Wave Output, Trickle-Charger 10-μSOP Clock 2.97V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 175μA @ 2.97V~5.5V 1.3V~5.5V
BQ3287AMT-SB2 BQ3287AMT-SB2 Texas Instruments 0.0000
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Min: 1

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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 8473.30.11.80 DUAL 5V 24 COMMERCIAL 2.54mm Timer or RTC 5V Clock 114B HH:MM:SS (12/24 hr) SECONDS Y NO 1 YY-MM-DD-dd
DS1747WP-120+ DS1747WP-120+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 10 Weeks Surface Mount Tray 2012 yes Active 3 (168 Hours) 34 EAR99 3.3V 25.019mm ROHS3 Compliant Lead Free Tin No 34 34-PowerCap™ Module Parallel Unknown 23.495mm Surface Mount 0°C~70°C CMOS 2.3368mm 8473.30.11.80 Clock/Calendar e3 DUAL 260 3.3V DS1747 34 1.27mm Timer or RTC Leap Year, NVSRAM, Y2K 10pF Clock 512KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V 3V
X1226V8I X1226V8I Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 download Surface Mount Bulk 2005 1 (Unlimited) 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 240 5V 30 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 NO I2C 1 YY-MM-DD-dd
DS1340C-33#T&R DS1340C-33#T&R Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant Tin No 16 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 5.5V 2.97V Surface Mount -40°C~85°C Clock/Calendar DS1340 Leap Year, Trickle-Charger 16-SOIC Clock 2.97V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 150μA @ 5.5V 1.3V~5.5V
DS17885-3 DS17885-3 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) 24 EAR99 3V 31.75mm Non-RoHS Compliant Contains Lead No 24 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 DUAL 260 3V 30 DS17885 24 2.54mm Timer or RTC 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 8KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
DS1685EN-3+T DS1685EN-3+T Maxim Integrated 0.0000
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Min: 1

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0.00000000 Surface Mount yes 1 24 EAR99 7.8mm Non-RoHS Compliant Contains Lead 24 4.4mm CMOS 1.1mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL GULL WING 260 3V NOT SPECIFIED 24 INDUSTRIAL 0.65mm 2.7V 85°C -40°C Timer or RTC Not Qualified 3V 3.7V 242B 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES PARALLEL, MUXED BUS 1
DS2404B+ DS2404B+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 Surface Mount Bulk yes 1 16 EAR99 85°C -40°C 6.2mm RoHS Compliant Lead Free No 16 1 HZ FIXED O/P; 64-BIT LASERED ROM; TIMEKEEPING CURRENT = 350NA SSOP 5.5V 2.8V 5.29mm CMOS 1.99mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 5V 30 16 INDUSTRIAL 0.65mm Clock 512B 0.032MHz SERIAL, 3-WIRE Binary
RX8804CE XB0 RX8804CE XB0 EPSON 0.0000
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Min: 1

Mult: 1

0.00000000
DS1244WP-120 DS1244WP-120 Maxim Integrated 0.0000
RFQ

Min: 1

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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 A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel 120GHz Surface Mount 0°C~70°C CMOS 8542.39.00.01 Phantom Time Chip e0 TIN LEAD DUAL 240 3.3V DS1244 34 Timer or RTC 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 3V
DS1306EN/T&R DS1306EN/T&R Maxim Integrated 0.0000
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Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2002 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 20 20-TSSOP (0.173, 4.40mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar DS1306 Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 20-TSSOP 96B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
RX-4581NB:B:ROHS RX-4581NB:B:ROHS EPSON 0.0000
RFQ

Min: 1

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0.00000000 Surface Mount 85°C -40°C RoHS Compliant 22 SPI 16B HH:MM:SS (24 hr) YY-MM-DD-dd
PT7C4337BLEX PT7C4337BLEX Diodes Incorporated 0.0000
RFQ

Min: 1

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0.00000000 20 Weeks Tape & Reel (TR) Active 8-TSSOP (0.173, 4.40mm 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
X1227S8IZ-2.7AT1 X1227S8IZ-2.7AT1 Intersil Corporation 0.0000
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Min: 1

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0.00000000 1 EAR99 4.9022mm RoHS Compliant compliant 3.9116mm CMOS 1.7272mm 8542.39.00.01 e3 MATTE TIN DUAL GULL WING 260 5V 40 8 INDUSTRIAL YES 1.27mm R-PDSO-G8 2.7V 85°C -40°C Not Qualified 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz I2C 1
ISL12027IB30AZ-T ISL12027IB30AZ-T Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tape & Reel 1999 Active 1 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant No SOIC 2-Wire, I2C, Serial 5.5V 2.7V 3.9mm CMOS 1.75mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 8, 8 INDUSTRIAL 1.27mm R-PDSO-G8 Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
X1226V8 X1226V8 Intersil Corporation 0.0000
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Min: 1

Mult: 1

0.00000000 EAR99 4.4mm Non-RoHS Compliant not_compliant 3mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 5V 8 COMMERCIAL YES 0.65mm R-PDSO-G8 2.7V 70°C Timer or RTC Not Qualified 3/5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y NO I2C 1
DS1307Z+ DS1307Z+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tube 2005 yes Active 1 (Unlimited) 8 EAR99 5V 5mm ROHS3 Compliant Lead Free Tin No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial No SVHC 32.768kHz 1.5mm 4mm Surface Mount 540.001716mg 0°C~70°C CMOS 1.5mA Clock/Calendar e3 DUAL 260 5V DS1307 8 Timer or RTC 5V 5V 1 Leap Year, NVSRAM, Square Wave Output Clock 56B RAM 4.5V~5.5V HH:MM:SS (12/24 hr) SECONDS N YES I2C 1 YY-MM-DD-dd 200μA @ 5V 2V~3.5V
M41T94MQ602 M41T94MQ602 STMicroelectronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Through Hole 70°C 0°C RoHS Compliant Contains Lead 16 SOIC Parallel 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd
BQ4847MT BQ4847MT Texas Instruments 0.0000
RFQ

Min: 1

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0.00000000 download Through Hole Tube yes Obsolete 1 (Unlimited) 28 EAR99 5V 38.8mm ROHS3 Compliant Contains Lead No 28 28-DIP Module (0.61, 15.49mm) Parallel 9.52mm 18.42mm Through Hole 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar DUAL 5V BQ4847 2.54mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Clock 4.75V~5.25V HH:MM:SS (12/24 hr) SECONDS Y NO YY-MM-DD-dd 2.3V~4V
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