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Real Time Clocks

Photo Mfr. Part # Availability 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
MAX6917EO30+T Analog Devices Inc./Maxim Integrated electronic component

MAX6917EO30+T

IC RTC CLK/CAL/SUPER I2C 20QSOP

Analog Devices Inc./Maxim Integrated

0
RFQ

-

- 20-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar/Supervisor - 96B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 3.3V - - -40°C ~ 85°C Surface Mount - - 20-QSOP
MAX6917EO50+T Analog Devices Inc./Maxim Integrated electronic component

MAX6917EO50+T

IC RTC CLK/CAL/SUPER I2C 20QSOP

Analog Devices Inc./Maxim Integrated

0
RFQ

-

- 20-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar/Supervisor - 96B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 4.5V ~ 5.5V - - -40°C ~ 85°C Surface Mount - - 20-QSOP
MAX6909EO30+T Analog Devices Inc./Maxim Integrated electronic component

MAX6909EO30+T

IC RTC CLK/CAL/SUPER I2C 20QSOP

Analog Devices Inc./Maxim Integrated

0
RFQ

Datasheet

- 20-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar/Supervisor - 31B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 3.3V - - - Surface Mount - - 20-QSOP
MAX6909EO33+T Analog Devices Inc./Maxim Integrated electronic component

MAX6909EO33+T

IC RTC CLK/CAL/SUPER I2C 20QSOP

Analog Devices Inc./Maxim Integrated

0
RFQ

Datasheet

- 20-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar/Supervisor - 31B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 3V ~ 3.6V - - - Surface Mount - - 20-QSOP
ISL12022MIBZ-T7A Renesas Electronics Corporation electronic component

ISL12022MIBZ-T7A

IC RTC CLK/CALENDAR I2C 20SOIC

Renesas Electronics Corporation

0
RFQ

-

- 20-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, SRAM 128B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 14µA ~ 15µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 20-SOIC
M41ST85WMH6TR STMicroelectronics electronic component

M41ST85WMH6TR

IC RTC CLK/CALENDAR I2C 28SOH

STMicroelectronics

0
RFQ

Datasheet

- 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer 44B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 3.6V 2.5V ~ 3.5V 0.5mA @ 2.7V ~ 3.6V -40°C ~ 85°C Surface Mount - - 28-SOH
DS1689S Analog Devices Inc./Maxim Integrated electronic component

DS1689S

IC RTC CLK/CALENDAR PAR 28SOIC

Analog Devices Inc./Maxim Integrated

0
RFQ

Datasheet

- 28-SOIC (0.337", 8.56mm Width) Tube Obsolete Not Verified Clock/Calendar NVSRAM 114B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.3V, 4.5V ~ 5.5V 2.5V ~ 3.7V 2mA @ 3V, 3mA @ 5V 0°C ~ 70°C Surface Mount - - 28-SOIC
DS1501Y Analog Devices Inc./Maxim Integrated electronic component

DS1501Y

IC RTC CLK/CALENDAR PAR 28DIP

Analog Devices Inc./Maxim Integrated

0
RFQ

Datasheet

- 28-DIP (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 256B HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 5mA @ 4.5V ~ 5.5V 0°C ~ 70°C Through Hole - - 28-PDIP
DS1501W Analog Devices Inc./Maxim Integrated electronic component

DS1501W

IC RTC CLK/CALENDAR PAR 28DIP

Analog Devices Inc./Maxim Integrated

0
RFQ

Datasheet

- 28-DIP (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 256B HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V 2.5V ~ 3.7V 4mA @ 3V ~ 3.6V 0°C ~ 70°C Through Hole - - 28-PDIP
MAX6910EO33+T Analog Devices Inc./Maxim Integrated electronic component

MAX6910EO33+T

IC RTC CLK/CAL/SUPER I2C 20QSOP

Analog Devices Inc./Maxim Integrated

0
RFQ

Datasheet

- 20-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar/Supervisor - 31B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 3V ~ 3.6V - - - Surface Mount - - 20-QSOP
MAX6910EO30+T Analog Devices Inc./Maxim Integrated electronic component

MAX6910EO30+T

IC RTC CLK/CAL/SUPER I2C 20QSOP

Analog Devices Inc./Maxim Integrated

0
RFQ

Datasheet

- 20-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar/Supervisor - 31B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 3.3V - - - Surface Mount - - 20-QSOP
M48T86PC1 STMicroelectronics electronic component

M48T86PC1

IC RTC CLK/CALENDAR PAR 24-DIP

STMicroelectronics

0
RFQ

Datasheet

- 24-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output 114B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 15mA @ 4.5V ~ 5.5V 0°C ~ 70°C Through Hole - - 24-PCDIP, CAPHAT®
M41T56MH6F STMicroelectronics electronic component

M41T56MH6F

IC RTC CLK/CALENDAR I2C 28SOH

STMicroelectronics

0
RFQ

Datasheet

- 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM 56B HH:MM:SS (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 4.5V ~ 5.5V 2.5V ~ 3.5V 100µA (Typ) @ 4.5V ~ 5.5V -40°C ~ 85°C Surface Mount - - 28-SOH
RTC-72423B0:PURE SN EPSON electronic component

RTC-72423B0:PURE SN

IC RTC CLK/CALENDAR PAR 24SOP

EPSON

0
RFQ

Datasheet

RTC-72423 24-SOIC (0.311", 7.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 5µA ~ 10µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount - - 24-SOP
KR3225Y32768EAW30TAA KYOCERA AVX electronic component

KR3225Y32768EAW30TAA

IC RTC CLOCK/CALENDAR I2C SMD

KYOCERA AVX

0
RFQ

Datasheet

- 8-SMD Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm - HH:MM:SS YY-MM-DD-dd I2C, 2-Wire Serial 1.3V ~ 5.5V - 2µA @ 3V -40°C ~ 85°C Surface Mount - - SMD
BQ4802LYPWG4 Texas Instruments electronic component

BQ4802LYPWG4

IC RTC CLK/CALENDAR PAR 28TSSOP

Texas Instruments

0
RFQ

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Tube Discontinued at Digi-Key Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.6V 2.4V ~ 4V 1.5mA (Typ) @ 2.7 V ~ 3.6 V 0°C ~ 70°C Surface Mount - - 28-TSSOP
DS1344D-3+ Analog Devices Inc./Maxim Integrated electronic component

DS1344D-3+

IC RTC CLK/CALENDAR SPI 14TDFN

Analog Devices Inc./Maxim Integrated

0
RFQ

Datasheet

- 14-WFDFN Exposed Pad Tube Active Not Verified Clock/Calendar Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger 96B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2.7V ~ 5.5V 1.3V ~ 5.5V - -40°C ~ 85°C Surface Mount - - 14-TDFN (3x3)
ISL12022MIBZR5421 Renesas Electronics Corporation electronic component

ISL12022MIBZR5421

IC RTC CLK/CALENDAR I2C 20SOIC

Renesas Electronics Corporation

0
RFQ

Datasheet

- 20-SOIC (0.295", 7.50mm Width) Tube Active Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, SRAM 128B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 14µA ~ 15µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 20-SOIC
RA-4574SA:B3 ROHS EPSON electronic component

RA-4574SA:B3 ROHS

IC RTC CLK/CALENDAR SER 14SOP

EPSON

0
RFQ

Datasheet

- 14-SOIC (0.197", 5.00mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd 3-Wire Serial 1.6V ~ 5.5V - 1µA ~ 2µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount Automotive AEC-Q200 14-SOP
RTC-4701JE:B3 ROHS EPSON electronic component

RTC-4701JE:B3 ROHS

IC RTC CLK/CALENDAR SER 20VSOJ

EPSON

0
RFQ

Datasheet

- 20-LSSOJ (0.213", 5.40mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd 3-Wire Serial 1.6V ~ 5.5V - - -40°C ~ 85°C Surface Mount - - 20-VSOJ
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