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    Real Time Clocks

    制造商 Series Package/Case Packaging Product Status Programmable Type Features Memory Size Time Format Date Format Interface Voltage - Supply Voltage - Supply, Battery Current - Timekeeping (Max) Operating Temperature Mounting Type Grade Qualification Supplier Device Package























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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    Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Programmable Type Features Memory Size Time Format Date Format Interface Voltage - Supply Voltage - Supply, Battery Current - Timekeeping (Max) Operating Temperature Mounting Type Grade Qualification Supplier Device Package
    M41T60Q6F

    M41T60Q6F

    IC RTC CLK/CALENDAR I2C 16QFN

    STMicroelectronics

    2,202
    RFQ

    -

    - 16-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.3V ~ 4.4V - 0.7µA ~ 0.95µA @ 3.6V ~ 4.4V -40°C ~ 85°C Surface Mount - - 16-QFN (3x3)
    DS1682S/T&R

    DS1682S/T&R

    IC RTC ELAPSED CNT I2C 8SOIC

    Analog Devices Inc./Maxim Integrated

    2,176
    RFQ
    DS1682S/T&R

    Datasheet

    - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Elapsed Time Counter Alarm, EEPROM 10B Binary Binary I2C, 2-Wire Serial 2.5V ~ 5.5V - 4µA ~ 15µA @ 3V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-SOIC
    RX-8035SAAA0 PURE SN

    RX-8035SAAA0 PURE SN

    IC RTC TIME EVENT REC I2C 14SOP

    EPSON

    2,275
    RFQ
    RX-8035SAAA0 PURE SN

    Datasheet

    RX-8035SA 14-SOIC (0.197", 5.00mm Width) Tape & Reel (TR) Active - Clock/Calendar Alarm - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C 2.4V ~ 5.5V 1V ~ 5.5V 2.5µA @ 3V -40°C ~ 85°C Surface Mount - - 14-SOP
    AB0811-T3

    AB0811-T3

    IC RTC CLK/CALENDAR SPI 16QFN

    Abracon LLC

    2,848
    RFQ
    AB0811-T3

    Datasheet

    - 16-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Trickle-Charger - HH:MM:SS:hh YY-MM-DD-dd SPI 1.7V ~ 3.6V 1.5V ~ 3.6V 0.17µA ~ 0.22µA @ 1.8V ~ 3V -40°C ~ 85°C Surface Mount - - 16-QFN (3x3)
    AB0801-T3

    AB0801-T3

    IC RTC CLK/CALENDAR I2C 16QFN

    Abracon LLC

    2,416
    RFQ
    AB0801-T3

    Datasheet

    - 16-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Trickle-Charger - HH:MM:SS:hh YY-MM-DD-dd I2C, 2-Wire Serial 1.7V ~ 3.6V 1.5V ~ 3.6V 0.17µA ~ 0.22µA @ 1.8V ~ 3V -40°C ~ 85°C Surface Mount - - 16-QFN (3x3)
    RTC-4543SA:B3 ROHS

    RTC-4543SA:B3 ROHS

    IC RTC CLK/CALENDAR SER 14SOP

    EPSON

    4,535
    RFQ
    RTC-4543SA:B3 ROHS

    Datasheet

    RTC-4543SA 14-SOIC (0.197", 5.00mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd 3-Wire Serial 2.5V ~ 5.5V - 1µA ~ 3µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount - - 14-SOP
    RV-8523-C3-32.768KHZ-10PPM-TA-QC

    RV-8523-C3-32.768KHZ-10PPM-TA-QC

    IC RTC CLK/CALENDAR I2C 10SON

    Micro Crystal AG

    4,426
    RFQ
    RV-8523-C3-32.768KHZ-10PPM-TA-QC

    Datasheet

    C3 10-VCDFN Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Battery Switch, Leap Year, Programmable Clock Output, Timer, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.2V ~ 5.5V - 0.18µA @ 3V -40°C ~ 85°C (TA) Surface Mount - - 10-SON (3.7x2.5)
    RX-8025SA:AA0:ROHS

    RX-8025SA:AA0:ROHS

    IC RTC CLK/CALENDAR I2C 14SOP

    EPSON

    3,525
    RFQ
    RX-8025SA:AA0:ROHS

    Datasheet

    RX-8025SA 14-SOIC (0.197", 5.00mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.7V ~ 5.5V - 1.2µA ~ 1.8µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 14-SOP
    M41T94MQ6E

    M41T94MQ6E

    IC RTC CLK/CALENDAR SPI 16SO

    STMicroelectronics

    2,349
    RFQ
    M41T94MQ6E

    Datasheet

    - 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer 44B HH:MM:SS:hh (24 hr) YY-MM-DD-dd SPI 2.7V ~ 5.5V 2.5V ~ 3.5V 1.4mA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 16-SO
    1337GDCGI

    1337GDCGI

    IC RTC CLK/CALENDAR I2C 8SOIC

    Renesas Electronics Corporation

    2,169
    RFQ
    1337GDCGI

    Datasheet

    - 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V - 0.6µA @ 1.3V ~ 1.8V -40°C ~ 85°C Surface Mount - - 8-SOIC
    M41T64Q6F

    M41T64Q6F

    IC RTC CLK/CALENDAR I2C 16QFN

    STMicroelectronics

    4,800
    RFQ
    M41T64Q6F

    Datasheet

    Timekeeper® 16-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer - HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.3V ~ 4.4V - 0.7µA ~ 0.95µA @ 1.3V ~ 4.4V -40°C ~ 85°C Surface Mount - - 16-QFN (3x3)
    M41T66Q6F

    M41T66Q6F

    IC RTC CLK/CALENDAR I2C 16QFN

    STMicroelectronics

    3,491
    RFQ

    -

    Timekeeper® 16-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer - HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.5V ~ 4.4V - 0.9µA ~ 1.1µA @ 1.5V ~ 4.4V -40°C ~ 85°C Surface Mount - - 16-QFN (3x3)
    DS1306EN/T&R

    DS1306EN/T&R

    IC RTC CLK/CALENDAR SPI 20TSSOP

    Analog Devices Inc./Maxim Integrated

    4,056
    RFQ
    DS1306EN/T&R

    Datasheet

    - 20-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 96B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2V ~ 5.5V 2V ~ 5.5V 25.3µA ~ 81µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount - - 20-TSSOP
    RV-3129-C3-32.768KHZ-OPTION-A-TA-QC-T3

    RV-3129-C3-32.768KHZ-OPTION-A-TA-QC-T3

    TIMING REAL TIME CLOCK

    Micro Crystal AG

    4,808
    RFQ
    RV-3129-C3-32.768KHZ-OPTION-A-TA-QC-T3

    Datasheet

    C3 10-VCDFN Bulk Active - Clock/Calendar Alarm, EEPROM, RAM, Trickle Charger 8B HH:MM:SS YY-MM-DD-dd I2C, 2-Wire Serial 1.3V ~ 5.5V, 2.1V ~ 5.5V - 1µA @ 3V -40°C ~ 85°C (TA) Surface Mount - - 10-SON (3.7x2.5)
    PT7C4363BZEEX

    PT7C4363BZEEX

    IC RTC CLK/CALENDAR I2C 8TDFN

    Diodes Incorporated

    3,869
    RFQ
    PT7C4363BZEEX

    Datasheet

    - 8-WFDFN Exposed Pad Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.3V ~ 5.5V - 0.85µA ~ 0.9µA @ 3V ~ 5V -40°C ~ 85°C (TA) Surface Mount - - 8-TDFN (2x3)
    RX6110SA:BB PURE SN

    RX6110SA:BB PURE SN

    IC RTC CLK/CALENDAR I2C 14SOP

    EPSON

    2,923
    RFQ
    RX6110SA:BB PURE SN

    Datasheet

    RX6110SA 14-SOIC (0.197", 5.00mm Width) Tube Active Not Verified Clock/Calendar Alarm, SRAM 16B - - I2C, SPI 1.6V ~ 5.5V - 0.25µA @ 3V -40°C ~ 85°C Surface Mount - - 14-SOP
    RV-1805-C3-32.768KHZ-2PPM-TA-QC

    RV-1805-C3-32.768KHZ-2PPM-TA-QC

    IC RTC CLK/CALENDAR I2C 10SON

    Micro Crystal AG

    4,008
    RFQ
    RV-1805-C3-32.768KHZ-2PPM-TA-QC

    Datasheet

    - 10-VCDFN Tape & Reel (TR) Not For New Designs Not Verified Clock/Calendar Alarm, Programmable Clock Output, RAM, Timer, Trickle Charger, Watchdog Timer 256B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.5V ~ 3.6V - 0.08µA @ 3V -40°C ~ 85°C (TA) Surface Mount - - 10-SON (3.7x2.5)
    RX8111CE BB

    RX8111CE BB

    IC RTC CLK/CALENDAR I2C 10SMD

    EPSON

    3,271
    RFQ
    RX8111CE BB

    Datasheet

    RX8111CE 10-SMD, No Lead Bulk Active Not Verified Clock/Calendar Alarm, RAM - HH:MM:SS YY-MM-DD I2C 1.6V ~ 5.5V - 3µA @ 3V -40°C ~ 85°C (TA) Surface Mount - - 10-SMD
    RX-4045SA:AA0

    RX-4045SA:AA0

    IC RTC CLK/CALENDAR SPI 14SOP

    EPSON

    2,332
    RFQ
    RX-4045SA:AA0

    Datasheet

    RX-4045SA 14-SOIC (0.197", 5.00mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 1.7V ~ 5.5V - 1.2µA ~ 1.8µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 14-SOP
    V3020XSO8B+

    V3020XSO8B+

    LINEAR IC

    EM Microelectronic

    2,849
    RFQ
    V3020XSO8B+

    Datasheet

    - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Last Time Buy - Clock/Calendar Leap Year, RAM 1B HH:MM:SS YY-MM-DD-dd 3-Wire Serial 1.2V ~ 5.5V - 0.49µA ~ 0.6µA @ 3V ~ 5V -40°C ~ 125°C (TA) Surface Mount - - 8-SOIC
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