Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Part Status Type Series Mount Mounting Type Operating Temperature Packaging Moisture Sensitivity Level (MSL) Max Operating Temperature Min Operating Temperature Technology Height Seated (Max) RoHS Status Published Datasheet Package / Case Length Width Operating Supply Voltage Lead Free Number of Terminations Factory Lead Time Max Supply Voltage Min Supply Voltage Number of Pins Interface Pbfree Code ECCN Code Additional Feature Radiation Hardening Reach Compliance Code HTS Code JESD-609 Code Feature Terminal Finish Surface Mount Voltage - Supply Terminal Position Peak Reflow Temperature (Cel) Supply Voltage Terminal Pitch Base Part Number Pin Count Temperature Grade Operating Temperature (Max) Operating Temperature (Min) Time@Peak Reflow Temperature-Max (s) Subcategory Power Supplies Supply Current-Max Qualification Status JESD-30 Code Supplier Device Package Memory Size Number of Bits Logic Function RAM (words) Number of Timers On Chip Data RAM Width Clock Frequency Time-Min External Data Bus Width Time Format Interrupt Capability Volatile Information Access Method Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1557P-70IND DS1557P-70IND Rochester Electronics
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tube 3 (168 Hours) Non-RoHS Compliant /files/rochesterelectronicsllc-ds1557wp120-datasheets-9459.pdf 34-PowerCap™ Module 34 Parallel no e0 Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K TIN LEAD YES 4.5V~5.5V DUAL 240 5V 34 NOT SPECIFIED COMMERCIAL R-XDMA-U34 512KB 0.032MHz 8 HH:MM:SS (24 hr) YY-MM-DD-dd 6mA @ 5V 3V
PCF8563P/F4,112 PCF8563P/F4,112 NXP Semiconductors
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0 0x0x0 download Clock/Calendar Through Hole -40°C~85°C Tube 1 (Unlimited) CMOS 4.2mm ROHS3 Compliant 2000 /files/nxpusainc-pcf8563t5518-datasheets-9882.pdf 8-DIP (0.300, 7.62mm) 9.5mm 7.62mm 8 I2C, 2-Wire Serial unknown 8542.39.00.01 e4 Alarm, Leap Year, Watchdog Timer NICKEL PALLADIUM GOLD NO 1.8V~5.5V DUAL 250 2V 2.54mm PCF8563 8 40 Timer or RTC 2/5V Not Qualified R-PDIP-T8 0.032MHz SECONDS HH:MM:SS (24 hr) Y YES I2C YY-MM-DD-dd 0.6μA~0.75μA @ 2V~5V
DS14285S/T&R DS14285S/T&R Rochester Electronics
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0 0x0x0 download Clock/Calendar Surface Mount 0°C~70°C Tape & Reel (TR) 3 (168 Hours) Non-RoHS Compliant /files/rochesterelectronicsllc-ds14285-datasheets-9384.pdf 24-SOIC (0.295, 7.50mm Width) Parallel Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 4.5V~5.5V 24-SOIC 114B HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.5μA @ 4.5V~5.5V 2.5V~3.6V
PCF8583P/F5,112 PCF8583P/F5,112 NXP Semiconductors
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0 0x0x0 download Clock/Calendar Through Hole -40°C~85°C Tube 1 (Unlimited) CMOS 4.2mm ROHS3 Compliant 1997 /files/nxpusainc-pcf8583bs518-datasheets-2728.pdf 8-DIP (0.300, 7.62mm) 9.5mm 7.62mm 8 I2C, 2-Wire Serial 8542.39.00.01 e4 Alarm, NVSRAM, Square Wave Output Nickel/Palladium/Gold (Ni/Pd/Au) NO 2.5V~6V DUAL 250 5V 2.54mm PCF8583 8 40 Timer or RTC 3/5V 0.2mA Not Qualified R-PDIP-T8 240B 256 8 0.1MHz 1/100SECOND HH:MM:SS:hh (12/24 hr) Y YES I2C YY-MM-DD 10μA~50μA @ 1V~5V
DS1678 DS1678 Rochester Electronics
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0 0x0x0 download Time Event Recorder Through Hole -40°C~85°C Tube 1 (Unlimited) CMOS 4.572mm Non-RoHS Compliant /files/rochesterelectronicsllc-ds1678-datasheets-7851.pdf 8-DIP (0.300, 7.62mm) 9.375mm 7.62mm 8 I2C, 2-Wire Serial no e0 Alarm, Leap Year, NVSRAM, Y2K TIN LEAD NO 4.5V~5.5V DUAL 245 5V 2.54mm 8 NOT SPECIFIED COMMERCIAL R-PDIP-T8 32B 0.032MHz HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 2.6V~3.5V
DS1673E-3/T&R DS1673E-3/T&R Rochester Electronics
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0 0x0x0 download Portable System Controller Surface Mount 0°C~70°C Tape & Reel (TR) 1 (Unlimited) Non-RoHS Compliant /files/rochesterelectronicsllc-ds1673e5-datasheets-9419.pdf 20-TSSOP (0.173, 4.40mm Width) 3-Wire Serial Alarm, Leap Year, Watchdog Timer 2.7V~3.3V 20-TSSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 100μA @ 3V 2.5V~3.7V
DS1746WP-120IND+ DS1746WP-120IND+ Maxim Integrated
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tube 3 (168 Hours) CMOS 2.3368mm ROHS3 Compliant 2012 /files/maximintegrated-ds174670-datasheets-9700.pdf 34-PowerCap™ Module 25.019mm 23.495mm Lead Free 34 6 Weeks Parallel yes EAR99 8473.30.11.80 e3 Leap Year, NVSRAM, Y2K Matte Tin (Sn) YES 2.97V~3.63V DUAL NOT SPECIFIED 3.3V 1.27mm DS1746 34 NOT SPECIFIED Timers or RTCs 3.3V Not Qualified R-XDMA-U34 128KB 0.032MHz SECONDS 8 HH:MM:SS (24 hr) N NO YY-MM-DD-dd 2mA @ 3.3V 3V
RTC-4543SA:A0 RTC-4543SA:A0 EPSON
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0 0x0x0 download Clock/Calendar Surface Mount Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) 85°C -40°C Non-RoHS Compliant /files/epson-rtc4543saa0-datasheets-7919.pdf 14-SOIC (0.209, 5.30mm Width) 14 3-Wire Serial Leap Year 2.5V~5.5V 14-SOP HH:MM:SS (24 hr) YY-MM-DD-dd 1μA~3μA @ 2V~5V
RTC-72421B RTC-72421B EPSON
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0 0x0x0 download Clock/Calendar Through Hole -10°C~70°C Tube 1 (Unlimited) Non-RoHS Compliant /files/epson-rtc62423a3rohs-datasheets-2591.pdf 18-DIP (0.300, 7.62mm) Parallel Leap Year 4.5V~5.5V 18-DIP HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA~10μA @ 2V~5V
DS1685QN-5+ DS1685QN-5+ Maxim Integrated
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tube 1 (Unlimited) CMOS 4.57mm ROHS3 Compliant 2000 /files/maximintegrated-ds16875-datasheets-0310.pdf 28-LCC (J-Lead) 11.505mm 11.505mm Lead Free 28 14 Weeks Parallel yes EAR99 8473.30.11.80 e3 Alarm, NVSRAM, Square Wave Output, Y2K Tin (Sn) YES 4.5V~5.5V QUAD 260 5V 1.27mm DS1685 28 NOT SPECIFIED Timer or RTC 5V Not Qualified S-PQCC-J28 242B 1 0.032MHz SECONDS 8 HH:MM:SS (12/24 hr) Y YES YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
DS1244Y-70 DS1244Y-70 Rochester Electronics
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0 0x0x0 download Phantom Time Chip Through Hole 0°C~70°C Tube 1 (Unlimited) 9.398mm Non-RoHS Compliant /files/rochesterelectronicsllc-ds1244y70-datasheets-7868.pdf 28-DIP Module (0.600, 15.24mm) 38.862mm 15.24mm 28 Parallel no e0 Leap Year, NVSRAM TIN LEAD NO 4.5V~5.5V DUAL 240 5V 2.54mm 28 NOT SPECIFIED COMMERCIAL R-PDIP-P28 32KB 8 HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10mA @ 5V
DS17887-5IND+ DS17887-5IND+ Maxim Integrated
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0 0x0x0 download Clock/Calendar Through Hole Through Hole -40°C~85°C Tube 1 (Unlimited) CMOS 9.398mm ROHS3 Compliant 2000 /files/maximintegrated-ds174875ind-datasheets-1731.pdf 24-DIP Module (0.600, 15.24mm) 33.782mm 5V Lead Free 24 16 Weeks 24 Parallel yes EAR99 No 8542.39.00.01 e3 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Matte Tin (Sn) 4.5V~5.5V DUAL 5V 2.54mm DS17887 24 Timer or RTC 5V 8KB Clock 1 0.032MHz SECONDS 8 HH:MM:SS (12/24 hr) Y NO YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
DS12C887A DS12C887A Rochester Electronics
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0 0x0x0 download Clock/Calendar Through Hole 0°C~70°C Tube 1 (Unlimited) CMOS 9.398mm Non-RoHS Compliant /files/rochesterelectronicsllc-ds12885sn-datasheets-9370.pdf 24-DIP Module (0.600, 15.24mm) 33.782mm 15.24mm 24 Parallel no e0 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output TIN LEAD NO 4.5V~5.5V DUAL 225 5V 2.54mm 24 NOT SPECIFIED COMMERCIAL R-PDIP-T24 113B 1 0.032MHz 8 HH:MM:SS (12/24 hr) YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
CBC34803-M5C-TR1 CBC34803-M5C-TR1 Cymbet Corporation
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0 0x0x0 download Clock/Calendar EnerChip™ Surface Mount Surface Mount -10°C~70°C Tape & Reel (TR) 3 (168 Hours) RoHS Compliant 2014 /files/cymbetcorporation-cbc34803m5ctr1-datasheets-7870.pdf 16-LQFN Lead Free 2 Weeks 16 I2C, 2-Wire Serial unknown Alarm, Leap Year 2.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 2.75V~3.25V
DS17487-3IND+ DS17487-3IND+ Maxim Integrated
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0 0x0x0 download Clock/Calendar Through Hole -40°C~85°C Tube 1 (Unlimited) CMOS 9.398mm ROHS3 Compliant 2000 /files/maximintegrated-ds174875ind-datasheets-1731.pdf 24-DIP Module (0.600, 15.24mm) 33.782mm 15.24mm Lead Free 24 12 Weeks Parallel yes EAR99 not_compliant 8473.30.11.80 e3 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Matte Tin (Sn) NO 2.7V~3.7V DUAL NOT SPECIFIED 3V 2.54mm DS17487 24 NOT SPECIFIED Timer or RTC 3V Not Qualified R-PDIP-T24 4KB 1 0.032MHz SECONDS 8 HH:MM:SS (12/24 hr) Y NO YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
PCF8593P,112 PCF8593P,112 NXP Semiconductors
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0 0x0x0 download Clock/Calendar Through Hole -40°C~85°C Tube 1 (Unlimited) CMOS 4.2mm ROHS3 Compliant 1997 /files/nxpusainc-pcf8593t1118-datasheets-0124.pdf 8-DIP (0.300, 7.62mm) 9.5mm 7.62mm 8 I2C, 2-Wire Serial unknown 8542.39.00.01 e4 Alarm, NVSRAM NICKEL PALLADIUM GOLD NO 2.5V~6V DUAL 250 5V 2.54mm PCF8593 8 40 Timer or RTC 3/5V Not Qualified R-PDIP-T8 8B 0.032MHz 1/100SECOND HH:MM:SS:hh (12/24 hr) Y YES I2C YY-MM-DD-dd 8μA~15μA @ 2V~5V
DS1315S-33 DS1315S-33 Rochester Electronics
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0 0x0x0 download Phantom Time Chip Surface Mount 0°C~70°C Tube 3 (168 Hours) Non-RoHS Compliant /files/rochesterelectronicsllc-ds1315n33-datasheets-9422.pdf 16-SOIC (0.295, 7.50mm Width) Parallel Leap Year 3V~3.6V 16-SOIC HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 1.1mA @ 3.3V 2.5V~3.7V
ISL12022MIBZ ISL12022MIBZ Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tube 1 (Unlimited) CMOS 2.65mm ROHS3 Compliant 2011 /files/renesaselectronicsamericainc-isl12022mibzt-datasheets-8937.pdf 20-SOIC (0.295, 7.50mm Width) 12.8mm 7.5mm 20 6 Weeks I2C, 2-Wire Serial EAR99 ALSO OPERATES WITH 5 V NOMINAL 8542.39.00.01 e3 Alarm, Daylight Savings, Leap Year, SRAM Matte Tin (Sn) - annealed YES 2.7V~5.5V DUAL NOT SPECIFIED 3V 1.27mm ISL12022 20 NOT SPECIFIED R-PDSO-G20 128B HH:MM:SS (12/24 hr) I2C; SERIAL YY-MM-DD-dd 14μA~15μA @ 3V~5V 1.8V~5.5V
DS12885Q/T&R DS12885Q/T&R Rochester Electronics
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0 0x0x0 download Clock/Calendar Surface Mount Tape & Reel (TR) 3 (168 Hours) Non-RoHS Compliant 28-LCC (J-Lead) Parallel Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 4.5V~5.5V 28-PLCC (11.51x11.51) 114B HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5V~4V
DS17885S-5/T&R+ DS17885S-5/T&R+ Maxim Integrated
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0 0x0x0 download Clock/Calendar Surface Mount 0°C~70°C Tape & Reel (TR) 1 (Unlimited) ROHS3 Compliant 2000 /files/maximintegrated-ds174875ind-datasheets-1731.pdf 24-SOIC (0.295, 7.50mm Width) Lead Free 7 Weeks Parallel Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 4.5V~5.5V DS17885 24-SOIC 8KB HH:MM:SS (12/24 hr) YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
DS1557P-70 DS1557P-70 Rochester Electronics
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0 0x0x0 download Clock/Calendar Surface Mount 0°C~70°C Tube 3 (168 Hours) Non-RoHS Compliant /files/rochesterelectronicsllc-ds1557wp120-datasheets-9459.pdf 34-PowerCap™ Module 34 Parallel no e0 Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K TIN LEAD YES 4.5V~5.5V DUAL 240 5V 34 NOT SPECIFIED COMMERCIAL R-XDMA-U34 512KB 0.032MHz 8 HH:MM:SS (24 hr) YY-MM-DD-dd 6mA @ 5V 3V
DS1340Z-33 DS1340Z-33 Rochester Electronics
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tube 1 (Unlimited) CMOS 1.75mm Non-RoHS Compliant /files/rochesterelectronicsllc-ds1340z18-datasheets-5613.pdf 8-SOIC (0.154, 3.90mm Width) 4.9mm 3.9mm 8 I2C, 2-Wire Serial no unknown Leap Year, Trickle-Charger NOT SPECIFIED YES 2.97V~5.5V DUAL NOT SPECIFIED 3.3V 1.27mm 8 NOT SPECIFIED COMMERCIAL R-PDSO-G8 0.032MHz HH:MM:SS (24 hr) I2C YY-MM-DD-dd 150μA @ 5.5V 1.3V~5.5V
DS17285S-3/T&R DS17285S-3/T&R Rochester Electronics
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0 0x0x0 download Clock/Calendar Surface Mount 0°C~70°C Tape & Reel (TR) 1 (Unlimited) Non-RoHS Compliant /files/rochesterelectronicsllc-ds17285s5-datasheets-9372.pdf 24-SOIC (0.295, 7.50mm Width) Parallel Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2.7V~3.7V 24-SOIC 2KB HH:MM:SS (12/24 hr) YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
DS1338U-33/T&R DS1338U-33/T&R Rochester Electronics
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) Non-RoHS Compliant /files/rochesterelectronicsllc-ds1338z3-datasheets-5582.pdf 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Leap Year, NVSRAM, Square Wave Output 3V~5.5V 8-uMAX 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd 125μA~200μA @ 3.63V~5.5V 1.3V~3.7V
DS1315S-33+T&R DS1315S-33+T&R Maxim Integrated
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0 0x0x0 download Phantom Time Chip Surface Mount Surface Mount 0°C~70°C Tape & Reel (TR) 1 (Unlimited) 70°C 0°C ROHS3 Compliant 2011 /files/maximintegrated-ds1315s5-datasheets-0352.pdf 16-SOIC (0.295, 7.50mm Width) 3.3V 8 Weeks 3.6V 3V 16 Parallel No Leap Year 3V~3.6V DS1315 16-SOIC Clock HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 1.1mA @ 3.3V 2.5V~3.7V
RTC-72421A: PURE SN RTC-72421A: PURE SN EPSON
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0 0x0x0 download Clock/Calendar RTC-72421 Through Hole -10°C~70°C 1 (Unlimited) ROHS3 Compliant /files/epson-rtc72421arohs-datasheets-9817.pdf 18-DIP (0.300, 7.62mm) Parallel Leap Year 4.5V~5.5V HH:MM:SS (12/24 hr) 5μA~10μA @ 2V~5V
MAX6916EO33+ MAX6916EO33+ Rochester Electronics
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0 0x0x0 download Clock/Calendar/Supervisor Surface Mount Tube 3 (168 Hours) CMOS 1.73mm ROHS3 Compliant /files/rochesterelectronicsllc-max6916eo30-datasheets-9395.pdf 20-SSOP (0.154, 3.90mm Width) 8.65mm 3.9mm 20 SPI, 3-Wire Serial yes e3 MATTE TIN YES 3V~3.6V DUAL 260 3.3V 0.635mm 20 INDUSTRIAL 85°C -40°C 30 COMMERCIAL R-PDSO-G20 96B 8 0.032MHz HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd
PCF8563T/F4,112 PCF8563T/F4,112 Rochester Electronics
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tube 1 (Unlimited) ROHS3 Compliant /files/rochesterelectronicsllc-pcf8563tf4112-datasheets-7816.pdf 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Alarm, Leap Year, Watchdog Timer 1.8V~5.5V 8-SO HH:MM:SS (24 hr) YY-MM-DD-dd 0.6μA~0.75μA @ 2V~5V
RTC-63423B RTC-63423B EPSON
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0 0x0x0 download Clock/Calendar Surface Mount Surface Mount -40°C~85°C Tube 1 (Unlimited) Non-RoHS Compliant 24-SOIC (0.311, 7.90mm Width) Parallel Alarm 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd
ISL12025IBZ-T ISL12025IBZ-T Rochester Electronics
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) ROHS3 Compliant /files/rochesterelectronicsllc-isl12058iruzt-datasheets-2710.pdf 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Alarm, Leap Year, Supervisor, Unique ID, Watchdog Timer 2.7V~5.5V 8-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V

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