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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
DS2404S-001

DS2404S-001

IC RTC BINARY CTR 1-WIRE 16SOIC

Analog Devices Inc./Maxim Integrated

3,547 0.00
RFQ
DS2404S-001

Datasheet

EconoRAM 16-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Binary Counter Alarm, Square Wave Output, SRAM 512B Binary Binary 1-Wire® and 3-Wire 2.8V ~ 5.5V 2.8V ~ 5.5V 500µA @ 5V -40°C ~ 85°C Surface Mount - - 16-SOIC
M41T56C64MY6F

M41T56C64MY6F

IC RTC CLK/CALENDAR I2C 18SOX

STMicroelectronics

4,121 0.00
RFQ
M41T56C64MY6F

Datasheet

- 18-SOX, 18-SOIC with Crystal (7.5mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar EEPROM, Leap Year, NVSRAM 56B, 8KB HH:MM:SS 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 - - 18-SOX
BQ4802LYDSH

BQ4802LYDSH

IC RTC CLK/CALENDAR PAR 28SOP

Texas Instruments

4,963 0.00
RFQ
BQ4802LYDSH

Datasheet

- 28-SOIC (0.345", 8.77mm Width) with SNAPHAT Sockets Tube Obsolete 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-SOP
RTC-4701NB:B3 ROHS

RTC-4701NB:B3 ROHS

IC RTC CLK/CALENDAR SER 22SON

EPSON

3,452 0.00
RFQ
RTC-4701NB:B3 ROHS

Datasheet

- 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 - - -40°C ~ 85°C Surface Mount - - 22-SON (6.3x4.8)
RX-4574LC:B3 PURE SN

RX-4574LC:B3 PURE SN

IC RTC CLK/CALENDAR SER 12VSOJ

EPSON

1,373 0.00
RFQ
RX-4574LC:B3 PURE SN

Datasheet

RX-4581NB 12-TFSOJ (0.094", 2.40mm 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 - 0.7µA ~ 0.9µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 12-VSOJ
DS1685S-3+T&R

DS1685S-3+T&R

IC RTC CLK/CALENDAR PAR 24SOIC

Analog Devices Inc./Maxim Integrated

3,510 4.49
RFQ
DS1685S-3+T&R

Datasheet

- 24-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, NVSRAM, Square Wave Output, Y2K 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.7V 2.5V ~ 3.7V 2mA @ 3V 0°C ~ 70°C Surface Mount - - 24-SOIC
DS1685E-5+T&R

DS1685E-5+T&R

IC RTC CLK/CALENDAR PAR 24TSSOP

Analog Devices Inc./Maxim Integrated

4,430 4.52
RFQ
DS1685E-5+T&R

Datasheet

- 24-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, NVSRAM, Square Wave Output, Y2K 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 3mA @ 5V 0°C ~ 70°C Surface Mount - - 24-TSSOP
DS1685E-3+T&R

DS1685E-3+T&R

IC RTC CLK/CALENDAR PAR 24TSSOP

Analog Devices Inc./Maxim Integrated

2,620 4.52
RFQ
DS1685E-3+T&R

Datasheet

- 24-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, NVSRAM, Square Wave Output, Y2K 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.7V 2.5V ~ 3.7V 2mA @ 3V 0°C ~ 70°C Surface Mount - - 24-TSSOP
RA-4565SA:B3 ROHS

RA-4565SA:B3 ROHS

IC RTC CLK/CALENDAR SER 14SOP

EPSON

2,811 0.00
RFQ
RA-4565SA:B3 ROHS

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 4-Wire Serial 1.6V ~ 5.5V - 1.6µA ~ 2µA @ 3V ~ 5V -40°C ~ 125°C Surface Mount Automotive AEC-Q200 14-SOP
DS1501WN

DS1501WN

IC RTC CLK/CALENDAR PAR 28DIP

Analog Devices Inc./Maxim Integrated

1,197 0.00
RFQ
DS1501WN

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 -40°C ~ 85°C Through Hole - - 28-PDIP
DS1501YN

DS1501YN

IC RTC CLK/CALENDAR PAR 28DIP

Analog Devices Inc./Maxim Integrated

4,552 0.00
RFQ
DS1501YN

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 -40°C ~ 85°C Through Hole - - 28-PDIP
RX-4571LCB PURE SN

RX-4571LCB PURE SN

RX-4571LC:B RTC {SN-AG OR SN} VS

EPSON

2,169 0.00
RFQ
RX-4571LCB PURE SN

Datasheet

RX-4571LC 12-TFSOJ (0.094", 2.40mm Width) Bulk Active - Clock/Calendar Alarm, Leap Year - HH:MM:SS YY-MM-DD 3-Wire Serial 1.6V ~ 5.5V 1V ~ 5.5V 950nA ~ 1µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 12-VSOJ
RX-8571LC:B PURE SN

RX-8571LC:B PURE SN

5+/-23PPM RTC BULK - CUT TAPE

EPSON

4,188 0.00
RFQ
RX-8571LC:B PURE SN

Datasheet

RX-8571LC 12-TFSOJ (0.094", 2.40mm Width) Bulk Active - Clock/Calendar Alarm, RAM 16B HH:MM:SS YY-MM-DD I2C 1.6V ~ 5.5V 1.3V ~ 5.5V 0.4µA @ 3V -40°C ~ 85°C Surface Mount - - 12-VSOJ
MAX6902ETA+T

MAX6902ETA+T

IC RTC CLK/CALENDAR SPI 8TDFN

Analog Devices Inc./Maxim Integrated

1,436 0.00
RFQ
MAX6902ETA+T

Datasheet

- 8-WDFN Exposed Pad Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Y2K 31B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2V ~ 5.5V - 1.05µA ~ 4.2µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount - - 8-TDFN (3x3)
RX-4803SA:UAB PURE SN

RX-4803SA:UAB PURE SN

IC RTC CLK/CALENDAR SPI 14SOP

EPSON

1,615 5.69
RFQ
RX-4803SA:UAB PURE SN

Datasheet

RX-4803SA 14-SOIC (0.197", 5.00mm Width) Tube Active 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
RX-8803SA:UA PURE SN

RX-8803SA:UA PURE SN

IC RTC CLK/CALENDAR I2C 14SOP

EPSON

2,767 5.69
RFQ
RX-8803SA:UA PURE SN

Datasheet

RX-8803SA 14-SOIC (0.197", 5.00mm Width) Tube Active Not Verified Clock/Calendar Alarm - HH:MM:SS YY-MM-DD I2C 1.6V ~ 5.5V - 2.1µA ~ 3.4µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 14-SOP
M41T00SC64MY6F

M41T00SC64MY6F

IC RTC CLK/CALENDAR I2C 18SOX

STMicroelectronics

3,992 0.00
RFQ
M41T00SC64MY6F

Datasheet

- 18-SOX, 18-SOIC with Crystal (7.5mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar EEPROM, Leap Year 8KB HH:MM:SS YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 2.5V ~ 35V 100µA (Typ) @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 18-SOX
DS2404B

DS2404B

IC RTC BINARY CTR 1-WIRE 16SSOP

Analog Devices Inc./Maxim Integrated

2,657 0.00
RFQ
DS2404B

Datasheet

EconoRAM 16-SSOP (0.209", 5.30mm Width) Tube Obsolete Not Verified Binary Counter Alarm, Square Wave Output, SRAM 512B Binary Binary 1-Wire® and 3-Wire 2.8V ~ 5.5V 2.8V ~ 5.5V 500µA @ 5V -40°C ~ 85°C Surface Mount - - 16-SSOP
DS1501WE/T&R

DS1501WE/T&R

IC RTC CLK/CALENDAR PAR 28TSOP

Analog Devices Inc./Maxim Integrated

4,310 0.00
RFQ
DS1501WE/T&R

Datasheet

- 28-TSSOP (0.465", 11.80mm Width) Tape & Reel (TR) 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 Surface Mount - - 28-TSOP
DS1685-5IND+

DS1685-5IND+

IC RTC CLK/CALENDAR PAR 24DIP

Analog Devices Inc./Maxim Integrated

4,580 0.00
RFQ
DS1685-5IND+

Datasheet

- 24-DIP (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Alarm, NVSRAM, Square Wave Output, Y2K 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 3mA @ 5V -40°C ~ 85°C Through Hole - - 24-PDIP
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