Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Part Status Type Series Mounting Type Operating Temperature Packaging Moisture Sensitivity Level (MSL) Max Operating Temperature Min Operating Temperature Technology Frequency Height Seated (Max) RoHS Status Published Datasheet Package / Case Length Height 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 Number of Functions 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 Supply Voltage-Max (Vsup) Supply Voltage-Min (Vsup) 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
PCF2129AT/1,512 PCF2129AT/1,512 NXP Semiconductors
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tube 3 (168 Hours) CMOS ROHS3 Compliant 2003 /files/nxpusainc-pcf2129at2518-datasheets-0379.pdf 20-SOIC (0.295, 7.50mm Width) 20 I2C, 2-Wire Serial 8542.39.00.01 e3 Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer MATTE TIN YES 1.8V~4.2V DUAL NOT SPECIFIED 1.27mm PCF2129 20 NOT SPECIFIED Timers or RTCs 2/4V Not Qualified R-PDSO-G20 SECONDS HH:MM:SS (12/24 hr) Y YES SERIAL, 4 WIRE/SPI YY-MM-DD-dd 1.5μA @ 3.3V 1.8V~4.2V
DS1315SN-33+T&R DS1315SN-33+T&R Maxim Integrated
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1337CSRI 1337CSRI Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C 1 (Unlimited) 16-SOIC (0.295, 7.50mm Width) I2C Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V 1.3V~3.7V
AM1815AQ AM1815AQ Ambiq Micro, Inc.
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 3 (168 Hours) RoHS Compliant /files/ambiqmicroinc-am1815aq-datasheets-2604.pdf 16-VFQFN Exposed Pad SPI Alarm, Leap Year, RAM, Supervisor, Trickle Charger, Unique ID, Watchdog Timer 1.5V~3.6V 16-QFN (3x3) 256B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 1.4V~3.6V
PT7C4563ZEEX PT7C4563ZEEX Diodes Incorporated
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C TA Tape & Reel (TR) 1 (Unlimited) CMOS 0.8mm /files/diodesincorporated-pt7c4563zee-datasheets-2594.pdf 8-WFDFN Exposed Pad 2.995mm 2mm 8 I2C, 2-Wire Serial EAR99 8542.39.00.01 Alarm, Leap Year, Square Wave Output YES 1.3V~5.5V DUAL 3V 0.5mm R-PDSO-N8 1 HH:MM:SS (24 hr) I2C YY-MM-DD-dd 0.65μA~0.85μA @ 3V~5V
RTC-4543SA:B3 ROHS RTC-4543SA:B3 ROHS EPSON
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0 0x0x0 download Clock/Calendar RTC-4543SA Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) /files/epson-rtc4543sbb3rohs-datasheets-1600.pdf 14-SOIC (0.197, 5.00mm Width) 3-Wire Serial Leap Year 2.5V~5.5V 14-SOP HH:MM:SS (24 hr) YY-MM-DD-dd 1μA~3μA @ 2V~5V
PCA2125TS/1,118 PCA2125TS/1,118 NXP Semiconductors
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~125°C Tape & Reel (TR) 1 (Unlimited) CMOS 1.1mm ROHS3 Compliant 2008 /files/nxpusainc-pca2125ts1118-datasheets-2605.pdf 14-TSSOP (0.173, 4.40mm Width) 5mm 4.4mm 14 SPI EAR99 unknown 8542.39.00.01 e4 Alarm, Leap Year, Square Wave Output, Watchdog Timer NICKEL PALLADIUM GOLD YES 1.6V~5.5V DUAL 260 2V 0.65mm PCA2125 14 30 Timer or RTC 1.5/5V Not Qualified R-PDSO-G14 AEC-Q100 0.032MHz SECONDS HH:MM:SS (12/24 hr) Y NO SERIAL, 3-WIRE YY-MM-DD-dd 1.8μA @ 2V~5V
PCA8802U/2AA/1,026 PCA8802U/2AA/1,026 NXP Semiconductors
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0 0x0x0 download Binary Counter -40°C~85°C Tray 1 (Unlimited) CMOS 0.215mm ROHS3 Compliant 2011 Die 1.19mm 1.14mm 8 I2C, 2-Wire Serial SEATED HGT_NOM; TERM PITCH-MAX 8542.39.00.01 1 Square Wave Output, Unique ID YES 1.6V~5.5V BOTTOM 3V 0.449mm PCA8802 5.5V 1.6V R-PBCC-B8 Binary 0.4μA @ 1.6V~5.5V
AS1810-PTR AS1810-PTR ams
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0 0x0x0 download Tape & Reel (TR) 1 (Unlimited)
RTC-4543SA:A ROHS RTC-4543SA:A ROHS EPSON
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0 0x0x0 download Clock/Calendar RTC-4543SA Surface Mount -40°C~85°C 1 (Unlimited) /files/epson-rtc4543sbb3rohs-datasheets-1600.pdf 14-SOIC (0.197, 5.00mm Width) 3-Wire Serial Leap Year 2.5V~5.5V 14-SOP HH:MM:SS (24 hr) YY-MM-DD-dd 1μA~3μA @ 2V~5V
1337CSRI8 1337CSRI8 Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) 16-SOIC (0.295, 7.50mm Width) I2C Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V 1.3V~3.7V
PT7C4302ZEEX PT7C4302ZEEX Diodes Incorporated
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C TA Tape & Reel (TR) 1 (Unlimited) ROHS3 Compliant /files/diodesincorporated-pt7c4302zeex-datasheets-2569.pdf 8-WFDFN Exposed Pad 3-Wire Serial Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 1.2V~5.5V 31B HH:MM:SS (12/24 hr) YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 1.5V~5.5V
PT7C4302ZEE PT7C4302ZEE Diodes Incorporated
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C TA 1 (Unlimited) /files/diodesincorporated-pt7c4302zeex-datasheets-2569.pdf 8-WFDFN Exposed Pad 3-Wire Serial Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 1.2V~5.5V 31B HH:MM:SS (12/24 hr) YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 1.5V~5.5V
PT7C4372AZEE PT7C4372AZEE Diodes Incorporated
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C TA 1 (Unlimited) 8-WFDFN Exposed Pad I2C, 2-Wire Serial Alarm, Leap Year 1.8V~6V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.8μA @ 3V
1339A-31DVGI8 1339A-31DVGI8 Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C Alarm, Leap Year, Square Wave Output, Trickle-Charger 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 3.63V~5.5V 1.3V~3.7V
DS1306EN+T&R/C04 DS1306EN+T&R/C04 Maxim Integrated
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0 0x0x0 download Tape & Reel (TR) 1 (Unlimited) 85°C -40°C ROHS3 Compliant /files/maximintegrated-ds1306entrc04-datasheets-2577.pdf TSSOP No Clock HH:MM:SS
RX-8731LC:B3 RX-8731LC:B3 EPSON
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0 0x0x0 download Clock/Calendar RX-8731LC Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) 85°C -40°C ROHS3 Compliant /files/epson-rx8731lcb3-datasheets-2580.pdf 12-TFSOJ (0.094, 2.40mm Width) 5.5V 1.7V 12 I2C Alarm, EEPROM, Leap Year, Unique ID 1.7V~5.5V 12-VSOJ 80b Clock HH:MM:SS (24 hr) YY-MM-DD-dd 1.4μA~1.5μA @ 3V~5V
PCF8563T/F4,112 PCF8563T/F4,112 NXP Semiconductors
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tube 1 (Unlimited) CMOS ROHS3 Compliant 2003 /files/nxpusainc-pcf8563t5518-datasheets-9882.pdf 8-SOIC (0.154, 3.90mm Width) 8 I2C, 2-Wire Serial 8542.39.00.01 e4 Alarm, Leap Year, Watchdog Timer Nickel/Palladium/Gold (Ni/Pd/Au) YES 1.8V~5.5V DUAL 260 2V 0.635mm PCF8563 8 30 Timer or RTC 2/5V Not Qualified R-PDSO-G8 0.032MHz SECONDS HH:MM:SS (24 hr) Y YES I2C YY-MM-DD-dd 0.6μA~0.75μA @ 2V~5V
RX-8581SA:B0 RX-8581SA:B0 EPSON
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0 0x0x0 download Clock/Calendar RX-8581SA Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) /files/epson-rx8581sab0-datasheets-2592.pdf 14-SOIC (0.197, 5.00mm Width) I2C, 2-Wire Serial Alarm, Leap Year 1.8V~5.5V 14-SOP HH:MM:SS (24 hr) YY-MM-DD-dd 0.8μA~1.2μA @ 3V~5V
PT7C4563ZEE PT7C4563ZEE Diodes Incorporated
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C TA 1 (Unlimited) CMOS 0.8mm /files/diodesincorporated-pt7c4563zee-datasheets-2594.pdf 8-WFDFN Exposed Pad 2.995mm 2mm 8 I2C, 2-Wire Serial EAR99 8542.39.00.01 Alarm, Leap Year, Square Wave Output YES 1.3V~5.5V DUAL 3V 0.5mm R-PDSO-N8 1 HH:MM:SS (24 hr) I2C YY-MM-DD-dd 0.65μA~0.85μA @ 3V~5V
RX-4575LC:B3:PURE SN RX-4575LC:B3:PURE SN EPSON
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) RoHS Compliant /files/epson-rx4575lcb3puresn-datasheets-2556.pdf 12-TFSOJ (0.094, 2.40mm Width) 12 3-Wire Serial compliant e3 Alarm, Leap Year Tin (Sn) YES 1.6V~5.5V DUAL 0.5mm Timers or RTCs 1.8/5V Not Qualified R-PDSO-J12 SECONDS HH:MM:SS (24 hr) Y YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 0.7μA~0.9μA @ 3V~5V
RTC-4701JE:B ROHS RTC-4701JE:B ROHS EPSON
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C 1 (Unlimited) /files/epson-rtc4701jebrohs-datasheets-2596.pdf 20-LSSOJ (0.213, 5.40mm Width) 3-Wire Serial Alarm 1.6V~5.5V 20-VSOJ
1339A-31DVGI 1339A-31DVGI Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C 1 (Unlimited) 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C Alarm, Leap Year, Square Wave Output, Trickle-Charger 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 3.63V~5.5V 1.3V~3.7V
MCP7940NT-E/SNVAO MCP7940NT-E/SNVAO Microchip Technology
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0 0x0x0 download Clock/Calendar Automotive, AEC-Q100 Surface Mount -40°C~125°C Tape & Reel (TR) 3 (168 Hours) CMOS 1.75mm /files/microchiptechnology-mcp7940nisn-datasheets-8300.pdf 8-SOIC (0.154, 3.90mm Width) 4.9mm 3.9mm 8 I2C, 2-Wire Serial compliant Alarm, Leap Year, Square Wave Output, SRAM YES 1.8V~5.5V DUAL 2.5V 1.27mm R-PDSO-G8 AEC-Q100; TS 16949 64B 1 HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
1337AGCSRGI8 1337AGCSRGI8 Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 3 (168 Hours) ROHS3 Compliant /files/renesaselectronicsamericainc-1337agdcgi8-datasheets-2483.pdf 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Alarm, Leap Year, Square Wave Output 1.8V~5.5V 16-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.3μA @ 1.3V~1.8V
RX-8731LC:B RX-8731LC:B EPSON
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0 0x0x0 download Clock/Calendar RX-8731LC Surface Mount -40°C~85°C 1 (Unlimited) 85°C -40°C 32.768kHz ROHS3 Compliant /files/epson-rx8731lcb3-datasheets-2580.pdf 12-TFSOJ (0.094, 2.40mm Width) 1.2mm 5.5V I2C Alarm, EEPROM, Leap Year, Unique ID 1.7V~5.5V 12-VSOJ 80b HH:MM:SS (24 hr) YY-MM-DD-dd 1.4μA~1.5μA @ 3V~5V
PT7C4337LE PT7C4337LE Diodes Incorporated
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C TA 1 (Unlimited) CMOS 1.2mm ROHS3 Compliant 2011 /files/diodesincorporated-pt7c4337le-datasheets-2560.pdf 8-TSSOP (0.173, 4.40mm Width) 4.4mm 3mm 8 8 Weeks I2C, 2-Wire Serial EAR99 8542.39.00.01 Alarm, Leap Year, Square Wave Output YES 1.8V~5.5V DUAL 3.3V 0.65mm Timer or RTC 2/5V Not Qualified R-PDSO-G8 1 0.032MHz SECONDS HH:MM:SS (12/24 hr) Y YES I2C YY-MM-DD-dd 0.8μA @ 1.3V~1.8V
1337AGDCGI8 1337AGDCGI8 Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) ROHS3 Compliant /files/renesaselectronicsamericainc-1337agdcgi8-datasheets-2483.pdf 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Alarm, Leap Year, Square Wave Output 1.8V~5.5V 8-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.3μA @ 1.3V~1.8V
1337AGDVGI8 1337AGDVGI8 Renesas Electronics America
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 3 (168 Hours) ROHS3 Compliant /files/renesaselectronicsamericainc-1337agdcgi8-datasheets-2483.pdf 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Alarm, Leap Year, Square Wave Output 1.8V~5.5V 8-TSSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.3μA @ 1.3V~1.8V
DS12885TN+ DS12885TN+ Maxim Integrated
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0 0x0x0 download Clock/Calendar Surface Mount -40°C~85°C Tape & Reel (TR) 1 (Unlimited) CMOS 1.2mm ROHS3 Compliant 2010 /files/maximintegrated-ds12885s-datasheets-1555.pdf 32-TQFP 7mm 7mm Lead Free 32 Parallel yes EAR99 8473.30.11.80 e3 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Matte Tin (Sn) YES 4.5V~5.5V QUAD 260 5V 0.8mm DS12885 32 30 Timer or RTC 5V Not Qualified S-PQFP-G32 114B 1 0.032MHz SECONDS 8 HH:MM:SS (12/24 hr) Y NO YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V

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