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) Technology Height Seated (Max) RoHS Status Published Datasheet Package / Case Length Height Width Operating Supply Voltage Lead Free Number of Terminations Factory Lead Time Weight REACH SVHC Number of Pins Interface Lifecycle Status Pbfree Code ECCN Code Contact Plating 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) Time@Peak Reflow Temperature-Max (s) Subcategory Power Supplies Qualification Status JESD-30 Code Supplier Device Package Screening Level Memory Size Logic Function Number of Timers Clock Frequency Time-Min External Data Bus Width Time Format Interrupt Capability Volatile Information Access Method Date Format Current - Timekeeping (Max) Voltage - Supply, Battery Non-Volatile Memory
MCP79400T-I/MS MCP79400T-I/MS Microchip Technology
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0 0x0x0 download Clock/Calendar Surface Mount Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) CMOS 1.1mm ROHS3 Compliant 2011 /files/microchiptechnology-mcp79402isn-datasheets-0447.pdf 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) 3mm 3mm 8 7 Weeks 8 I2C, 2-Wire Serial EAR99 No e3 Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Matte Tin (Sn) - annealed 1.8V~5.5V DUAL 260 2.5V 0.65mm MCP79400 8 40 Timer or RTC 2/5V TS 16949 64B Clock 1 0.4MHz SECONDS HH:MM:SS (12/24 hr) Y NO I2C YY-MM-DD-dd 1.2μA Typ @ 3.3V 1.3V~5.5V
MCP7940NT-I/MNY MCP7940NT-I/MNY Microchip Technology
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0 0x0x0 download Clock/Calendar Automotive, AEC-Q100 Surface Mount Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) CMOS ROHS3 Compliant 2011 /files/microchiptechnology-mcp7940nisn-datasheets-8300.pdf 8-WFDFN Exposed Pad 3mm 750μm 2mm 8 6 Weeks 8 I2C, 2-Wire Serial EAR99 Gold No e4 Alarm, Leap Year, Square Wave Output, SRAM 1.8V~5.5V DUAL 260 2.5V 0.5mm MCP7940N 8 40 Timer or RTC 2/5V 64B Clock 0.032MHz SECONDS HH:MM:SS (12/24 hr) Y YES I2C YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
PCF85063ATT/AJ PCF85063ATT/AJ NXP Semiconductors
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) CMOS 1.1mm ROHS3 Compliant 2010 /files/nxpusainc-pcf85063atl1118-datasheets-3055.pdf 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) 3mm 3mm 8 10 Weeks I2C, 2-Wire Serial e4 Alarm, Leap Year, Square Wave Output Nickel/Palladium/Gold (Ni/Pd/Au) YES 0.9V~5.5V DUAL 260 3.3V 0.65mm 8 40 S-PDSO-G8 1 HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 0.6μA @ 3.3V
MCP79400T-I/SN MCP79400T-I/SN Microchip Technology
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0 0x0x0 download Clock/Calendar Surface Mount Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) CMOS 1.75mm ROHS3 Compliant 1998 /files/microchiptechnology-mcp79402isn-datasheets-0447.pdf 8-SOIC (0.154, 3.90mm Width) 4.9mm 3.9mm Lead Free 8 7 Weeks 8 I2C, 2-Wire Serial EAR99 No e3 Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Matte Tin (Sn) - annealed 1.8V~5.5V DUAL 260 2.5V 1.27mm MCP79400 8 40 Timer or RTC 2/5V TS 16949 Clock 1 0.4MHz SECONDS HH:MM:SS (12/24 hr) Y I2C YY-MM-DD-dd 1.2μA Typ @ 3.3V 1.3V~5.5V 64 B
BQ4285EP BQ4285EP Rochester Electronics
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0 0x0x0 download Clock/Calendar Through Hole 0°C~70°C Tube 3 (168 Hours) Non-RoHS Compliant /files/rochesterelectronicsllc-bq4285ep-datasheets-2740.pdf 24-DIP (0.600, 15.24mm) Parallel Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 4.5V~5.5V 24-PDIP 114B HH:MM:SS (12/24 hr) YY-MM-DD-dd 300μA @ 5V 2.5V~4V
RV-3149-C3-32.768KHZ-OPTION-A-TB-QA RV-3149-C3-32.768KHZ-OPTION-A-TB-QA Micro Crystal
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0 0x0x0 download Clock/Calendar Automotive, AEC-Q200 Surface Mount -40°C~125°C TA Tape & Reel (TR) 1 (Unlimited) ROHS3 Compliant /files/microcrystalag-rv3149c332768khzoptionbtaqc-datasheets-2756.pdf 10-VCDFN 2 Weeks SPI, 4-Wire Serial Alarm, EEPROM, NVRAM, Trickle Charger Gold Flash (Au) 1.3V~5.5V 260 40 2B 8B HH:MM:SS YY-MM-DD-dd 1μA @ 3V
RV-8803-C7-32.768KHZ-3PPM-TA-QA RV-8803-C7-32.768KHZ-3PPM-TA-QA Micro Crystal
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0 0x0x0 download Clock/Calendar Automotive, AEC-Q200 Surface Mount -40°C~85°C TA Tape & Reel (TR) 1 (Unlimited) ROHS3 Compliant /files/microcrystalag-rv8803c732768khz3ppmtaqa-datasheets-2742.pdf 8-WCDFN 2 Weeks I2C Alarm, Leap Year, RAM Gold Flash (Au) 1.5V~5.5V 260 40 HH:MM:SS YY-MM-DD-dd 350nA @ 3V
PCF8564AU/5GC/1,01 PCF8564AU/5GC/1,01 NXP USA Inc.
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Bulk 1 (Unlimited) CMOS ROHS3 Compliant 2008 /files/nxpusainc-pcf8564acx91005-datasheets-2675.pdf Die 9 I2C, 2-Wire Serial 8542.39.00.01 Alarm, Leap Year, Square Wave Output, Watchdog Timer YES 1V~5.5V UPPER 2V PCF8564 9 Timer or RTC 2/5V Not Qualified R-XUUC-N9 1 0.032MHz SECONDS HH:MM:SS (24 hr) Y NO I2C YY-MM-DD-dd 0.6μA~0.75μA @ 2V~5V
BQ3285LSS BQ3285LSS Rochester Electronics
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0 0x0x0 download Clock/Calendar Surface Mount Tube 3 (168 Hours) CMOS Non-RoHS Compliant 24-SSOP (0.154, 3.90mm Width) 24 Parallel yes e0 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output TIN LEAD YES 2.7V~3.6V DUAL NOT SPECIFIED 3.15V COMMERCIAL 70°C NOT SPECIFIED COMMERCIAL R-PDSO-G24 242B 1 8 HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4V~4V
RV-3149-C3-32.768KHZ-OPTION-B-TA-QC RV-3149-C3-32.768KHZ-OPTION-B-TA-QC Micro Crystal AG $3.71
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0 0x0x0 download Clock/Calendar Automotive, AEC-Q200 Surface Mount -40°C~85°C TA Tape & Reel (TR) 1 (Unlimited) ROHS3 Compliant /files/microcrystalag-rv3149c332768khzoptionbtaqc-datasheets-2756.pdf 10-VCDFN 2 Weeks SPI, 4-Wire Serial Alarm, EEPROM, NVRAM, Trickle Charger Gold Flash (Au) 1.3V~5.5V 260 40 2B 8B HH:MM:SS YY-MM-DD-dd 1μA @ 3V
RV-8564-C3-32.768KHZ-20PPM-TA-QC RV-8564-C3-32.768KHZ-20PPM-TA-QC Micro Crystal
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0 0x0x0 download Clock/Calendar Automotive, AEC-Q200 Surface Mount -40°C~85°C TA Tape & Reel (TR) 1 (Unlimited) ROHS3 Compliant /files/microcrystalag-rv8564c332768khz20ppmtaqc-datasheets-2729.pdf 10-VCDFN 2 Weeks I2C Alarm, Leap Year Gold Flash (Au) 1V~5.5V 260 40 HH:MM:SS YY-MM-DD-dd 350nA @ 3V
RV-8063-C7-32.768KHZ-20PPM-TA-QC RV-8063-C7-32.768KHZ-20PPM-TA-QC Micro Crystal
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0 0x0x0 download Clock/Calendar Automotive, AEC-Q200 Surface Mount -40°C~85°C TA Tape & Reel (TR) 1 (Unlimited) ROHS3 Compliant /files/microcrystalag-rv8063c732768khz20ppmtaqc-datasheets-2716.pdf 8-WCDFN 2 Weeks SPI, 3-Wire Serial Alarm, Leap Year, RAM Gold Flash (Au) 0.9V~5.5V 260 40 HH:MM:SS YY-MM-DD-dd 240nA @ 3V
DS1685-5+ DS1685-5+ Maxim Integrated
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0 0x0x0 download Clock/Calendar Through Hole Through Hole 0°C~70°C Tube 1 (Unlimited) CMOS ROHS3 Compliant 2000 /files/maximintegrated-ds16875-datasheets-0310.pdf 24-DIP (0.600, 15.24mm) 32.26mm 4.45mm 14.61mm 5V Lead Free 24 6 Weeks Unknown 24 Parallel yes EAR99 No 8473.30.11.80 e3 Alarm, NVSRAM, Square Wave Output, Y2K Matte Tin (Sn) 4.5V~5.5V DUAL 260 5V 2.54mm DS1685 24 30 Timer or RTC 5V 242B Clock 1 0.032MHz SECONDS HH:MM:SS (12/24 hr) Y YES YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
RTC-4574SA:B3:PURE SN RTC-4574SA:B3:PURE SN EPSON
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0 0x0x0 download Clock/Calendar RTC-4574SA Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) ROHS3 Compliant /files/epson-rtc4574sab3rohs-datasheets-8015.pdf 14-SOIC (0.197, 5.00mm Width) 15 Weeks 3-Wire Serial Alarm 1.6V~5.5V 14-SOP 1μA~2μA @ 3V~5V
S-35391A-I8T1U S-35391A-I8T1U ABLIC U.S.A. Inc.
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) CMOS 0.5mm RoHS Compliant /files/ablicusainc-s35391ai8t1u-datasheets-2825.pdf 8-SMD, Flat Lead 2.23mm 1.97mm 8 18 Weeks I2C, 2-Wire Serial yes unknown Alarm, Leap Year YES 1.3V~5.5V DUAL 3V 0.5mm R-PDSO-F8 0.4MHz HH:MM:SS (12/24 hr) SERIAL, 2-WIRE/I2C YY-MM-DD-dd 14μA~30μA @ 3V~5V
RV-3129-C3-32.768KHZ-OPTION-A-TA-QC RV-3129-C3-32.768KHZ-OPTION-A-TA-QC Micro Crystal
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0 0x0x0 download Clock/Calendar Automotive, AEC-Q200 Surface Mount -40°C~85°C TA Tape & Reel (TR) 1 (Unlimited) ROHS3 Compliant /files/microcrystalag-rv3129c332768khzoptionbtaqc-datasheets-2703.pdf 10-VCDFN 2 Weeks I2C, 2-Wire Serial Alarm, EEPROM, NVRAM, Trickle Charger Gold Flash (Au) 1.3V~5.5V 260 40 2B 8B HH:MM:SS YY-MM-DD-dd 1μA @ 3V
DS1556WP-120IND+ DS1556WP-120IND+ Maxim Integrated
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0 0x0x0 download Clock/Calendar Surface Mount Surface Mount -40°C~85°C Tube 3 (168 Hours) CMOS ROHS3 Compliant 2010 /files/maximintegrated-ds155670-datasheets-9871.pdf 34-PowerCap™ Module 3.3V Lead Free 34 10 Weeks 34 Parallel yes EAR99 No 8473.30.11.80 e3 Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Matte Tin (Sn) 2.97V~3.63V DUAL 3.3V DS1556 34 Timer or RTC 128KB Clock 0.032MHz SECONDS 8 HH:MM:SS (24 hr) Y NO YY-MM-DD-dd 4mA @ 3.3V 3V
RV-3129-C3-32.768KHZ-OPTION-B-TB-QA RV-3129-C3-32.768KHZ-OPTION-B-TB-QA Micro Crystal
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0 0x0x0 download Clock/Calendar Automotive, AEC-Q200 Surface Mount -40°C~125°C TA Tape & Reel (TR) 1 (Unlimited) ROHS3 Compliant /files/microcrystalag-rv3129c332768khzoptionbtaqc-datasheets-2703.pdf 10-VCDFN 2 Weeks I2C, 2-Wire Serial Alarm, EEPROM, NVRAM, Trickle Charger Gold Flash (Au) 1.3V~5.5V 260 40 2B 8B HH:MM:SS YY-MM-DD-dd 1μA @ 3V
RV-3149-C3-32.768KHZ-OPTION-A-TA-QC RV-3149-C3-32.768KHZ-OPTION-A-TA-QC Micro Crystal
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0 0x0x0 download Clock/Calendar Automotive, AEC-Q200 Surface Mount -40°C~85°C TA Tape & Reel (TR) 1 (Unlimited) ROHS3 Compliant /files/microcrystalag-rv3149c332768khzoptionbtaqc-datasheets-2756.pdf 10-VCDFN 2 Weeks SPI, 4-Wire Serial Alarm, EEPROM, NVRAM, Trickle Charger Gold Flash (Au) 1.3V~5.5V 260 40 2B 8B HH:MM:SS YY-MM-DD-dd 1μA @ 3V
RV-3129-C3-32.768KHZ-OPTION-B-TA-QC RV-3129-C3-32.768KHZ-OPTION-B-TA-QC Micro Crystal
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0 0x0x0 download Clock/Calendar Automotive, AEC-Q200 Surface Mount -40°C~85°C TA Tape & Reel (TR) 1 (Unlimited) ROHS3 Compliant /files/microcrystalag-rv3129c332768khzoptionbtaqc-datasheets-2703.pdf 10-VCDFN 2 Weeks I2C, 2-Wire Serial Alarm, EEPROM, NVRAM, Trickle Charger Gold Flash (Au) 1.3V~5.5V 260 40 2B 8B HH:MM:SS YY-MM-DD-dd 1μA @ 3V
DS1340C-18# DS1340C-18# Maxim Integrated
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tube 1 (Unlimited) CMOS 2.65mm ROHS3 Compliant 2002 /files/maximintegrated-ds1340z33tr-datasheets-8360.pdf 16-SOIC (0.295, 7.50mm Width) 10.3mm 7.5mm 16 6 Weeks I2C, 2-Wire Serial yes EAR99 not_compliant 8542.39.00.01 e3 Leap Year, Trickle-Charger Tin (Sn) YES 1.71V~5.5V DUAL 260 1.8V 1.27mm DS1340 16 40 Not Qualified R-PDSO-G16 0.032MHz HH:MM:SS (24 hr) I2C YY-MM-DD-dd 100μA @ 1.89V 1.3V~3.7V
PCF2127AT/1,518 PCF2127AT/1,518 NXP Semiconductors
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 3 (168 Hours) CMOS 2.65mm ROHS3 Compliant 2003 /files/nxpusainc-pcf2127at1512-datasheets-2610.pdf 20-SOIC (0.295, 7.50mm Width) 12.8mm 7.5mm 20 I2C, 2-Wire Serial unknown 8542.39.00.01 Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer YES 1.8V~4.2V DUAL 3V 1.27mm PCF2127 20 Timers or RTCs 2/4V Not Qualified R-PDSO-G20 512B 0.032MHz SECONDS HH:MM:SS (12/24 hr) Y YES I2C YY-MM-DD-dd 1.5μA @ 3.3V 1.8V~4.2V
DS1343E-3+ DS1343E-3+ Maxim Integrated
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0 0x0x0 download Clock/Calendar Surface Mount Surface Mount -40°C~85°C Tube 1 (Unlimited) CMOS 1.1mm ROHS3 Compliant 2002 /files/maximintegrated-ds1343e33-datasheets-1206.pdf 20-TSSOP (0.173, 4.40mm Width) 6.5mm 4.4mm 3V 20 6 Weeks 20 SPI yes EAR99 No 8542.39.00.01 Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger 2.7V~5.5V DUAL 3V 0.65mm DS1343 20 Timers or RTCs 3V 96B Clock 1 4MHz SECONDS HH:MM:SS (12/24 hr) Y NO SERIAL, 3-WIRE YY-MM-DD-dd 1.3V~5.5V
CBC92132C-Q3-TR3 CBC92132C-Q3-TR3 Cymbet Corporation
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) RoHS Compliant /files/cymbetcorporation-cbc92132cq3tr3-datasheets-2687.pdf 16-UFQFN Exposed Pad 9 Weeks I2C Alarm, Backup Supply Charger, Leap Year, RAM 2.5V~5.5V 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 50nA @ 2.5V~5.5V 3.2V
MAX31342EWA+ MAX31342EWA+ Maxim Integrated
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C 1 (Unlimited) ROHS3 Compliant https://pdf.utmel.com/r/datasheets/maximintegrated-max31342ewa-datasheets-2690.pdf 8-WFBGA, WLBGA I2C Alarm, Leap Year, Square Wave Output 1.6V~3.6V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.33μA @ 3V
M41T01M6F M41T01M6F STMicroelectronics
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0 0x0x0 download Clock/Calendar Surface Mount Surface Mount -40°C~85°C Cut Tape (CT) 1 (Unlimited) CMOS 1.75mm ROHS3 Compliant /files/stmicroelectronics-m41t01m6f-datasheets-2692.pdf 8-SOIC (0.154, 3.90mm Width) 4.9mm 3.9mm 8 10 Weeks 506.605978mg 8 I2C, 2-Wire Serial ACTIVE (Last Updated: 7 months ago) EAR99 No Leap Year 2V~5.5V DUAL 1.27mm M41T01 Clock HH:MM:SS SERIAL, 2-WIRE/I2C YY-MM-DD-dd 70μA @ 2V~5.5V 2.5V~3.5V
BQ4845S-A4 BQ4845S-A4 Rochester Electronics
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0 0x0x0 download Clock/Calendar Surface Mount 0°C~70°C Tube 1 (Unlimited) ROHS3 Compliant 28-SOIC (0.295, 7.50mm Width) Parallel Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer 4.75V~5.5V 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.3V~4V
BQ3285ESS BQ3285ESS Rochester Electronics
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0 0x0x0 download Clock/Calendar Surface Mount 0°C~70°C Tube 3 (168 Hours) CMOS 1.75mm Non-RoHS Compliant /files/rochesterelectronicsllc-bq3285ess-datasheets-2696.pdf 24-SSOP (0.154, 3.90mm Width) 8.65mm 3.9mm 24 Parallel yes e4 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output NICKEL PALLADIUM GOLD YES 4.5V~5.5V DUAL 260 5V 0.635mm 24 NOT SPECIFIED COMMERCIAL R-PDSO-G24 242B 1 0.032MHz 8 HH:MM:SS (12/24 hr) YY-MM-DD-dd 300μA @ 5V 2.5V~4V
ISL12058IRUZ-T ISL12058IRUZ-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-2697.pdf 8-UFDFN I2C, 2-Wire Serial Alarm, Leap Year 1.8V~3.6V 8-μTDFN (2x2) HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.65μA @ 1.8V
RX-4575LC:B RX-4575LC:B EPSON
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0 0x0x0 download Clock/Calendar RX-4575LC Surface Mount -40°C~85°C 1 (Unlimited) /files/epson-rx4575lcb3puresn-datasheets-2556.pdf 12-TFSOJ (0.094, 2.40mm Width) 3-Wire Serial Alarm 1.6V~5.5V 12-VSOJ 0.7μA~0.9μA @ 3V~5V

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