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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 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 Voltage - Rated DC Technology Height Seated (Max) HTS Code Nominal Supply Current Type JESD-609 Code Terminal Finish Terminal Position 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) Ambient Temperature Range High Number of Outputs Feature Supplier Device Package Source Url Status Check Date Logic Function Access Time Memory Size 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
PT7C4311WE PT7C4311WE Diodes Incorporated 0.0000
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0.00000000 download 9 Weeks Surface Mount Tube Last Time Buy 3 (168 Hours) 8 EAR99 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 DUAL 2V 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 1.8/5V Leap Year, Square Wave Output, Y2K 56B 1.2V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd 70μA @ 1.5V~5.5V 2V~5.5V
1338-31DCGI 1338-31DCGI Integrated Device Technology (IDT) 0.0000
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0.00000000 download 7 Weeks Surface Mount 2006 yes Active 1 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant Lead Free Tin No 8 SOIC 2-Wire, I2C, Serial 5.5V 2.45V 3.9mm 1.5mm CMOS 1.75mm e3 DUAL 260 30 8 INDUSTRIAL 1.27mm Timer or RTC 3.6/5V Clock 56B HH:MM:SS 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd
DS1307ZN/T&R DS1307ZN/T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2011 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 DS1307 Leap Year, NVSRAM, Square Wave Output 8-SOIC 56B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 5V 2V~3.5V
PCF8593T,118 PCF8593T,118 NXP Semiconductors 0.0000
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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
DS1557P-70IND DS1557P-70IND Maxim Integrated 0.0000
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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 5V NOT SPECIFIED DS1557 34 YES R-XDMA-U34 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 512KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V 3V
DS1744P-70 DS1744P-70 Maxim Integrated 0.0000
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0.00000000 download Tube 2006 yes Obsolete 3 (168 Hours) 34 EAR99 25.019mm Non-RoHS Compliant Contains Lead 34-PowerCap™ Module Parallel 23.495mm Surface Mount 0°C~70°C CMOS 2.3368mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 245 5V 40 DS1744 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 5V Leap Year, NVSRAM, Y2K 32KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 5V 3V
M48T86MH1F M48T86MH1F STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 1 (Unlimited) 28 EAR99 18.1mm ROHS3 Compliant Lead Free 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets Parallel 8.56mm Surface Mount 0°C~70°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar DUAL 260 5V 10 M48T86 28 1.27mm R-PDSO-G28 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output Clock 114B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 15mA @ 4.5V~5.5V
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
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
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
DS1344E-18+ DS1344E-18+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Obsolete 1 (Unlimited) 20 EAR99 1.8V 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 8473.30.11.80 Clock/Calendar DUAL 1.8V DS1344 20 0.65mm Timers or RTCs Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger Clock 96B 1.71V~5.5V HH:MM:SS (12/24 hr) 4MHz SECONDS Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 1.3V~5.5V
DS1501WS+ DS1501WS+ Maxim Integrated 0.0000
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0.00000000 download Tube 2013 yes Obsolete 1 (Unlimited) 28 EAR99 18.1mm ROHS3 Compliant Lead Free 28-SOIC (0.295, 7.50mm Width) Parallel 8.565mm Surface Mount 0°C~70°C CMOS 3.05mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED DS1501 28 YES 1.27mm R-PDSO-G28 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 YES 1 YY-MM-DD-dd 4mA @ 3V~3.6V 2.5V~3.7V
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
DS1302Z+ DS1302Z+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2002 yes Active 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant Lead Free 8 BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA 8-SOIC (0.154, 3.90mm Width) 3-Wire Serial 3.9mm Surface Mount 0°C~70°C 5.5V CMOS Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED DS1302 8 YES Timer or RTC Not Qualified 3/5V 1 Leap Year, NVSRAM, Trickle-Charger 31B 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N YES SERIAL, 3-WIRE YY-MM-DD-dd 0.3μA~1μA @ 2V~5V 2V~5.5V
M41T00M6 M41T00M6 STMicroelectronics 0.0000
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0.00000000 Surface Mount Rail/Tube 1 8 EAR99 85°C -40°C 4.9mm RoHS Compliant 8 SO I2C 5.5V 2V 32.768kHz 1.75mm 3.9mm CMOS 300μA e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 5V 30 8 INDUSTRIAL Timer or RTC Not Qualified 85°C 1 Clock 8B HH:MM:SS SECONDS N YES I2C
DS1746P-70IND DS1746P-70IND Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 Obsolete 3 (168 Hours) 34 EAR99 5V Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e0 TIN LEAD DUAL 240 5V DS1746 34 Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 128KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 5V 3V
X1288S16T1 X1288S16T1 Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2005 1 16 EAR99 70°C 0°C 10.3mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 7.5mm CMOS 2.65mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED 16 COMMERCIAL 1.27mm R-PDSO-G16 4.5V Timer or RTC Not Qualified 5V 5.5V 31.3kB HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1 YY-MM-DD-dd
ISL12024IVZ-T ISL12024IVZ-T Intersil 0.0000
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DS1554W-120+ DS1554W-120+ Maxim Integrated 0.0000
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0.00000000 download 9 Weeks Tube 2010 yes Active 1 (Unlimited) 32 EAR99 43.053mm ROHS3 Compliant Lead Free 32-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1554 32 NO 2.54mm R-PDIP-T32 Timer or RTC Not Qualified 3.3V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 32KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V
ISL12025IVZ-T ISL12025IVZ-T Intersil 0.0000
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BQ4830YMA-85 BQ4830YMA-85 Texas Instruments 0.0000
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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
DS1746WP-120IND DS1746WP-120IND Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2005 no Obsolete 3 (168 Hours) 34 EAR99 3.3V Non-RoHS Compliant Contains Lead Tin No 34 34-PowerCap™ Module Parallel Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e0 DUAL 240 3.3V DS1746 34 Timer or RTC Leap Year, NVSRAM, Y2K Clock 128KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V 3V
DS2417P+ DS2417P+ Maxim Integrated 2.6162
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0.00000000 download 6 Weeks Tube 2003 yes Active 1 (Unlimited) 6 EAR99 3.94mm ROHS3 Compliant Lead Free 6 6-LSOJ (0.148, 3.76mm Width) 1-Wire® Serial Surface Mount -40°C~85°C CMOS 1.5mm 8542.39.00.01 Binary Counter e3 Matte Tin (Sn) DUAL 260 3V 30 DS2417 6 YES 1.27mm Not Qualified Unique ID 2.5V~5.5V Binary 0.032MHz SERIAL, 1-WIRE 0.45μA @ 2.5V~5.5V
X1228S14-2.7T1 X1228S14-2.7T1 Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount 14 EAR99 70°C 0°C 8.65mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 3.9mm CMOS 1.75mm 8542.39.00.01 DUAL 5V 14 COMMERCIAL 1.27mm R-PDSO-G14 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
DS1646-120 DS1646-120 Maxim Integrated 0.0000
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0.00000000 download Tube 2003 Obsolete 1 (Unlimited) 32 EAR99 Non-RoHS Compliant Contains Lead 32-DIP Module (0.600, 15.24mm) Parallel not_compliant Through Hole 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED DS1646 32 NO R-XDMA-P32 Not Qualified Leap Year, NVSRAM 128KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 4mA @ 4.5 V~5.5 V 3V
PCF8593T,112 PCF8593T,112 NXP Semiconductors / Freescale 0.0000
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0.00000000 download Surface Mount Rail/Tube 85°C -40°C Non-RoHS Compliant 8 SO 6V 1V 8 2013-06-14 00:00:00 HH:MM:SS:hh
ISL12027IVAZ ISL12027IVAZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2010 Active 1 8 EAR99 85°C -40°C 3.3V 4.4mm RoHS Compliant No 8 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 3mm CMOS 1.2mm e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
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
X1226V8T2 X1226V8T2 Renesas Electronics America Inc. 0.0000
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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 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
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