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ELECTRONIC COMPONENTS

Real Time Clocks

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
DS1678S+T&R Analog Devices Inc./Maxim Integrated

DS1678S+T&R

IC RTC TIME EVENT REC I2C 8SOIC

Analog Devices Inc./Maxim Integrated

1,188 -
Datasheet - 8-SOIC (0.209", 5.30mm Width) Tape & Reel (TR) Active Not Verified Time Event Recorder Alarm, Leap Year, NVSRAM, Y2K 32B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 4.5V ~ 5.5V 2.6V ~ 3.5V - -40°C ~ 85°C Surface Mount - - 8-SOIC
AB-RTCMC-32.768KHZ-EOA9-S3-HAT Abracon LLC

AB-RTCMC-32.768KHZ-EOA9-S3-HAT

IC RTC CLK/CALENDAR SPI MODULE

Abracon LLC

4,801 -
Datasheet - 10-SMD Module Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, EEPROM, TCXO/Crystal, Trickle-Charger - HH:MM:SS:hh YY-MM-DD-dd SPI 1.4V ~ 5.5V, 2.1V ~ 5.5V 1.4V ~ 5.5V 4.6µA ~ 5.5µA @ 1.4V ~ 5V -40°C ~ 125°C Surface Mount - - Module
AB-RTCMC-32.768KHZ-EOZ9-S3-HAT Abracon LLC

AB-RTCMC-32.768KHZ-EOZ9-S3-HAT

IC RTC CLK/CALENDAR I2C MODULE

Abracon LLC

3,443 -
Datasheet - 10-SMD Module Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, EEPROM, TCXO/Crystal, Trickle-Charger - HH:MM:SS:hh YY-MM-DD-dd I2C 1.4V ~ 5.5V, 2.1V ~ 5.5V 1.4V ~ 5.5V 4.6µA ~ 5.5µA @ 1.4V ~ 5V -40°C ~ 125°C Surface Mount - - Module
M41ST87YMX6TR STMicroelectronics

M41ST87YMX6TR

IC RTC CLOCK/CALENDAR I2C 28SO

STMicroelectronics

1,811 -
Datasheet - 28-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer 128B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 4.5V ~ 5.5V 2.5V ~ 5.5V 1mA @ 4.5V ~ 5.5V -40°C ~ 85°C Surface Mount - - 28-SO
DS17285SN-5 Analog Devices Inc./Maxim Integrated

DS17285SN-5

IC RTC CLK/CALENDAR PAR 24SOIC

Analog Devices Inc./Maxim Integrated

1,728 -
Datasheet - 24-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 3mA @ 4.5V ~ 5.5V -40°C ~ 85°C Surface Mount - - 24-SOIC
DS17285SN-3 Analog Devices Inc./Maxim Integrated

DS17285SN-3

IC RTC CLK/CALENDAR PAR 24SOIC

Analog Devices Inc./Maxim Integrated

2,208 -
Datasheet - 24-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.7V 2.5V ~ 3.7V 2mA @ 2.7V ~ 3.7V -40°C ~ 85°C Surface Mount - - 24-SOIC
DS17285E-3 Analog Devices Inc./Maxim Integrated

DS17285E-3

IC RTC CLK/CALENDAR PAR 28TSOP

Analog Devices Inc./Maxim Integrated

4,855 -
Datasheet - 28-TSSOP (0.465", 11.80mm Width) Bag Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.7V 2.5V ~ 3.7V 2mA @ 2.7V ~ 3.7V 0°C ~ 70°C Surface Mount - - 28-TSOP
M41ST87YMX6 STMicroelectronics

M41ST87YMX6

IC RTC CLOCK/CALENDAR I2C 28SO

STMicroelectronics

4,653 -
Datasheet - 28-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer 128B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 4.5V ~ 5.5V 2.5V ~ 5.5V 1mA @ 4.5V ~ 5.5V -40°C ~ 85°C Surface Mount - - 28-SO
RX-4571NB:B EPSON

RX-4571NB:B

IC RTC CLK/CALENDAR SER 22SON

EPSON

3,701 -
Datasheet RX-4571NB 22-LFDFN Strip Active Not Verified Clock/Calendar Alarm, Leap Year - - - 3-Wire Serial 1.6V ~ 5.5V - 0.95µA ~ 1µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 22-SON (6.3x4.8)
RX-4571NB:BX PURE SN EPSON

RX-4571NB:BX PURE SN

IC RTC CLK/CALENDAR SER 22SON

EPSON

3,547 -
Datasheet RX-4571NB 22-SMD, 20 Leads, Flat Leads Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year - - - 3-Wire Serial 1.6V ~ 5.5V - 0.95µA ~ 1µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 22-SON (6.3x4.8)
RX-4801SA:UB3 PURE SN EPSON

RX-4801SA:UB3 PURE SN

IC RTC CLK/CALENDAR SPI 14SOP

EPSON

1,632 -
Datasheet RX-4801SA 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 SPI 1.6V ~ 5.5V - 2.1µA ~ 3.4µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 14-SOP
DS12885T/T&R Analog Devices Inc./Maxim Integrated

DS12885T/T&R

IC RTC CLK/CALENDAR PAR 32TQFP

Analog Devices Inc./Maxim Integrated

4,517 -
Datasheet - 32-TQFP Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 4V 15mA @ 4.5V ~ 5.5V 0°C ~ 70°C Surface Mount - - 32-TQFP (7x7)
DS1558W Analog Devices Inc./Maxim Integrated

DS1558W

IC RTC CLK/CALENDAR PAR 48LQFP

Analog Devices Inc./Maxim Integrated

4,691 -
Datasheet - 48-LQFP Bag Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Watchdog Timer, Y2K - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V 2.5V ~ 3.7V 2mA @ 3.3V -40°C ~ 85°C Surface Mount - - 48-LQFP (7x7)
DS1558Y Analog Devices Inc./Maxim Integrated

DS1558Y

IC RTC CLK/CALENDAR PAR 48LQFP

Analog Devices Inc./Maxim Integrated

4,905 -
Datasheet - 48-LQFP Bag Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Watchdog Timer, Y2K - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 6mA @ 5V -40°C ~ 85°C Surface Mount - - 48-LQFP (7x7)
M41ST87WMX6 STMicroelectronics

M41ST87WMX6

IC RTC CLOCK/CALENDAR I2C 28SO

STMicroelectronics

1,452 -
Datasheet - 28-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer 128B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 3.6V 2.5V ~ 3.6V 0.5mA @ 2.7V ~ 3.6V -40°C ~ 85°C Surface Mount - - 28-SO
DS1689SN/T&R Analog Devices Inc./Maxim Integrated

DS1689SN/T&R

IC RTC CLK/CALENDAR PAR 28SOIC

Analog Devices Inc./Maxim Integrated

3,546 -
Datasheet - 28-SOIC (0.337", 8.56mm Width) Tape & Reel (TR) 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 -40°C ~ 85°C Surface Mount - - 28-SOIC
DS1689SN+T&R Analog Devices Inc./Maxim Integrated

DS1689SN+T&R

IC RTC CLK/CALENDAR PAR 28SOIC

Analog Devices Inc./Maxim Integrated

4,374 -
Datasheet - 28-SOIC (0.337", 8.56mm Width) Tape & Reel (TR) 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 -40°C ~ 85°C Surface Mount - - 28-SOIC
BQ4802YDWRG4 Texas Instruments

BQ4802YDWRG4

IC RTC CLK/CALENDAR PAR 28SOIC

Texas Instruments

2,234 -
Datasheet - 28-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) 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 4.5V ~ 5.5V 2.4V ~ 4V 1.5mA (Typ) @ 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount - - 28-SOIC
RTC-4574JE:B3 ROHS EPSON

RTC-4574JE:B3 ROHS

IC RTC CLK/CALENDAR SER 20VSOJ

EPSON

1,048 -
Datasheet RTC-4574JE 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 - 1µA ~ 2µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 20-VSOJ
RTC-4574NB:B3 ROHS EPSON

RTC-4574NB:B3 ROHS

IC RTC CLK/CALENDAR SER 22SON

EPSON

1,538 -
Datasheet RTC-4574NB 22-LFDFN 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 - - 22-SON (6.3x4.8)
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