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Mfr Part #
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Datasheet
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Mounting Type
Memory Size
Interface
Type
Operating Temperature
Voltage - Supply
Time Format
Date Format
Supplier Device Package
Voltage - Supply, Battery
Current - Timekeeping (Max)
DigiKey Programmable
M41T256YMT7F
IC RTC CLK/CALENDAR I2C 44SOH
Contact
- immediate
STMicroelectronics
1
ROHS3 Compliant
Timekeeper®
Cut Tape (CT)
Obsolete
Datasheet
Leap Year, NVSRAM 44-BSOP (0.337", 8.56mm Width) Surface Mount 32KB I2C, 2-Wire Serial Clock/Calendar -25°C ~ 70°C 4.5V ~ 5.5V HH:MM:SS:hh (24 hr) YY-MM-DD-dd 44-SOH 2.5V ~ 3.5V 2.5mA @ 4.5V ~ 5.5V Not Verified
COM-10079
REAL TIME CLOCK - DS3234
Contact
- immediate
SparkFun Electronics
1
ROHS3 Compliant
-
Bulk
Active
Datasheet
Alarm, Leap Year, Square Wave Output, SRAM 20-SOIC (0.295", 7.50mm Width) Surface Mount 256B SPI Clock/Calendar 0°C ~ 70°C (TA) 2V ~ 5.5V HH:MM:SS (12/24 hr) YY-MM-DD 20-SOIC 2V ~ 3.8V 120µA ~ 160µA @ 3.63V ~ 5.5V Not Verified
DS1501WZ+
IC RTC CLK/CALENDAR PAR 28SOIC
Contact
- immediate
Analog Devices Inc./Maxim Integrated
50
ROHS3 Compliant
-
Tube
Active
Datasheet
Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 28-SOIC (0.295", 7.50mm Width) Surface Mount 256B Parallel Clock/Calendar 0°C ~ 70°C 3V ~ 3.6V HH:MM:SS (24 hr) YY-MM-DD-dd 28-SOIC 2.5V ~ 3.7V 4mA @ 3V ~ 3.6V Not Verified
RX-4803LC:AA3 PURE SN
IC RTC CLK/CALENDAR SPI 12VSOJ
Contact
- immediate
EPSON
250
ROHS3 Compliant
RX-4803LC
Tape & Reel (TR)
Active
Datasheet
Alarm, Leap Year 12-TFSOJ (0.094", 2.40mm Width) Surface Mount - SPI Clock/Calendar -40°C ~ 85°C 1.6V ~ 5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 12-VSOJ - 2.1µA ~ 3.4µA @ 3V ~ 5V Not Verified
RX-4803LC:UC3 PURE SN
IC RTC CLK/CALENDAR SPI 12VSOJ
Contact
- immediate
EPSON
250
ROHS3 Compliant
RX-4803LC
Tape & Reel (TR)
Active
Datasheet
Alarm, Leap Year 12-TFSOJ (0.094", 2.40mm Width) Surface Mount - SPI Clock/Calendar -40°C ~ 85°C 1.6V ~ 5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 12-VSOJ - 2.1µA ~ 3.4µA @ 3V ~ 5V Not Verified
DS17487-5
IC RTC CLK/CALENDAR PAR 24EDIP
Contact
- immediate
Analog Devices Inc./Maxim Integrated
14
RoHS Compliant By Exemption
-
Tube
Obsolete
Datasheet
Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 24-DIP Module (0.600", 15.24mm) Through Hole 4KB Parallel Clock/Calendar 0°C ~ 70°C 4.5V ~ 5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 24-EDIP 2.5V ~ 3.7V 3mA @ 4.5V ~ 5.5V Not Verified
DS17487-3
IC RTC CLK/CALENDAR PAR 24EDIP
Contact
- immediate
Analog Devices Inc./Maxim Integrated
14
RoHS Compliant By Exemption
-
Tube
Obsolete
Datasheet
Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 24-DIP Module (0.600", 15.24mm) Through Hole 4KB Parallel Clock/Calendar 0°C ~ 70°C 2.7V ~ 3.7V HH:MM:SS (12/24 hr) YY-MM-DD-dd 24-EDIP 2.5V ~ 3.7V 2mA @ 2.7V ~ 3.7V Not Verified
RX-4803LC:UA3 PURE SN
IC RTC CLK/CALENDAR SPI 12VSOJ
Contact
- immediate
EPSON
250
ROHS3 Compliant
RX-4803LC
Tape & Reel (TR)
Active
Datasheet
Alarm, Leap Year 12-TFSOJ (0.094", 2.40mm Width) Surface Mount - SPI Clock/Calendar -40°C ~ 85°C 1.6V ~ 5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 12-VSOJ - 2.1µA ~ 3.4µA @ 3V ~ 5V Not Verified
M41T256YMH7F
IC RTC CLK/CALENDAR I2C 44SOH
Contact
- immediate
STMicroelectronics
936
ROHS3 Compliant
Timekeeper®
Tape & Reel (TR)
Obsolete
Datasheet
Leap Year, NVSRAM 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Surface Mount 32KB I2C, 2-Wire Serial Clock/Calendar -25°C ~ 70°C 4.5V ~ 5.5V HH:MM:SS:hh (24 hr) YY-MM-DD-dd 44-SOH 2.5V ~ 3.5V 2.5mA @ 4.5V ~ 5.5V Not Verified
M41T256YMH7F
IC RTC CLK/CALENDAR I2C 44SOH
Contact
- immediate
STMicroelectronics
1
ROHS3 Compliant
Timekeeper®
Cut Tape (CT)
Obsolete
Datasheet
Leap Year, NVSRAM 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Surface Mount 32KB I2C, 2-Wire Serial Clock/Calendar -25°C ~ 70°C 4.5V ~ 5.5V HH:MM:SS:hh (24 hr) YY-MM-DD-dd 44-SOH 2.5V ~ 3.5V 2.5mA @ 4.5V ~ 5.5V Not Verified
RX-4803LC:AAB PURE SN
IC RTC CLK/CALENDAR SPI 12VSOJ
Contact
- immediate
EPSON
100
ROHS3 Compliant
RX-4803LC
Strip
Active
Datasheet
Alarm, Leap Year 12-TFSOJ (0.094", 2.40mm Width) Surface Mount - SPI Clock/Calendar -40°C ~ 85°C 1.6V ~ 5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 12-VSOJ - 2.1µA ~ 3.4µA @ 3V ~ 5V Not Verified
RX-4803LC:UCB PURE SN
IC RTC CLK/CALENDAR SPI 12VSOJ
Contact
- immediate
EPSON
100
ROHS3 Compliant
RX-4803LC
Strip
Active
Datasheet
Alarm, Leap Year 12-TFSOJ (0.094", 2.40mm Width) Surface Mount - SPI Clock/Calendar -40°C ~ 85°C 1.6V ~ 5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 12-VSOJ - 2.1µA ~ 3.4µA @ 3V ~ 5V Not Verified
RX-4803LC:UA PURE SN
IC RTC CLK/CALENDAR SPI 12VSOJ
Contact
- immediate
EPSON
100
ROHS3 Compliant
RX-4803LC
Strip
Active
Datasheet
Alarm, Leap Year 12-TFSOJ (0.094", 2.40mm Width) Surface Mount - SPI Clock/Calendar -40°C ~ 85°C 1.6V ~ 5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 12-VSOJ - 2.1µA ~ 3.4µA @ 3V ~ 5V Not Verified
RX-8803LC:UA PURE SN
IC RTC CLK/CALENDAR I2C 12VSOJ
Contact
0 - immediate
EPSON
100
ROHS3 Compliant
RX-8803LC
Bulk
Active
Datasheet
- - - - - - - - - - - - - -
DS1501WEN+
IC RTC CLK/CALENDAR PAR 28TSOP
Contact
0 - immediate
Analog Devices Inc./Maxim Integrated
234
ROHS3 Compliant
-
Tray
Obsolete
Datasheet
- - - - - - - - - - - - - -