Real Time Clocks

Results: 2,385
Stocking Options
Environmental Options
Media
Marketplace Product
2,385Results

Showing
of 2,385
Mfr Part #
Quantity Available
Price
Series
Package
Product Status
DigiKey Programmable
Type
Features
Memory Size
Time Format
Date Format
Interface
Voltage - Supply
Voltage - Supply, Battery
Current - Timekeeping (Max)
Operating Temperature
Mounting Type
Grade
Qualification
Package / Case
Supplier Device Package
8 SOIC
MCP7940N-I/SN
IC RTC CLK/CALENDAR I2C 8SOIC
Microchip Technology
6,166
In Stock
100 : $1.21600
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output, SRAM
64B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 5.5V
1.3V ~ 5.5V
1.2µA @ 3.3V
-40°C ~ 85°C
Surface Mount
Automotive
AEC-Q100
8-SOIC (0.154", 3.90mm Width)
8-SOIC
PCF85263ATL/AX
PCF85063ATL/1,118
IC RTC CLK/CALENDAR I2C 10DFN
NXP USA Inc.
32,406
In Stock
1 : $1.23000
Cut Tape (CT)
4,000 : $0.56344
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output
-
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
0.9V ~ 5.5V
-
0.6µA @ 3.3V
-40°C ~ 85°C
Surface Mount
-
-
10-XFDFN Exposed Pad
10-DFN (2.6x2.6)
8-TDFN
MCP7940MT-I/MNY
IC RTC CLK/CALENDAR I2C 8TDFN
Microchip Technology
14,394
In Stock
1 : $1.23000
Cut Tape (CT)
3,300 : $1.08000
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output, SRAM
64B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 5.5V
-
1µA @ 5.5V
-40°C ~ 85°C
Surface Mount
-
-
8-WFDFN Exposed Pad
8-TDFN (2x3)
8 SOIC
MCP7940NT-I/SN
IC RTC CLK/CALENDAR I2C 8SOIC
Microchip Technology
21,498
In Stock
1 : $1.36000
Cut Tape (CT)
3,300 : $1.21601
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output, SRAM
64B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 5.5V
1.3V ~ 5.5V
1.2µA @ 3.3V
-40°C ~ 85°C
Surface Mount
Automotive
AEC-Q100
8-SOIC (0.154", 3.90mm Width)
8-SOIC
8-MSOP
MCP7940NT-I/MS
IC RTC CLK/CALENDAR I2C 8MSOP
Microchip Technology
24,182
In Stock
1 : $1.44000
Cut Tape (CT)
2,500 : $1.28000
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output, SRAM
64B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 5.5V
1.3V ~ 5.5V
1.2µA @ 3.3V
-40°C ~ 85°C
Surface Mount
Automotive
AEC-Q100
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-MSOP
8-MSOP
MCP7940N-I/MS
IC RTC CLK/CALENDAR I2C 8MSOP
Microchip Technology
2,472
In Stock
1 : $1.44000
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output, SRAM
64B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 5.5V
1.3V ~ 5.5V
1.2µA @ 3.3V
-40°C ~ 85°C
Surface Mount
Automotive
AEC-Q100
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-MSOP
8 SOIC
PCF85063AT/AY
IC RTC CLOCK/CALENDAR I2C 8SO
NXP USA Inc.
59,057
In Stock
1 : $1.46000
Cut Tape (CT)
2,500 : $0.68803
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output
-
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
0.9V ~ 5.5V
-
0.6µA @ 3.3V
-40°C ~ 85°C
Surface Mount
-
-
8-SOIC (0.154", 3.90mm Width)
8-SO
PCA9306DP,118
PCF85063ATT/AJ
IC RTC CLK/CALENDAR I2C 8TSSOP
NXP USA Inc.
35,280
In Stock
1 : $1.47000
Cut Tape (CT)
2,500 : $0.69466
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output
-
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
0.9V ~ 5.5V
-
0.6µA @ 3.3V
-40°C ~ 85°C
Surface Mount
-
-
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-TSSOP
8-HWSON
PCF85063TP/1Z
IC RTC CLK/CALENDAR I2C 8HWSON
NXP USA Inc.
32,024
In Stock
1 : $1.47000
Cut Tape (CT)
4,000 : $0.68259
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output
-
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
0.9V ~ 5.5V
-
0.6µA @ 3.3V
-40°C ~ 85°C
Surface Mount
-
-
8-WFDFN Exposed Pad
8-HWSON (2x3)
8 SOIC
MCP7940NT-E/SN
IC RTC CLK/CALENDAR I2C 8SOIC
Microchip Technology
4,549
In Stock
1 : $1.47000
Cut Tape (CT)
3,300 : $1.30000
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output, SRAM
64B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 5.5V
1.3V ~ 5.5V
1.2µA @ 3.3V
-40°C ~ 125°C
Surface Mount
Automotive
AEC-Q100
8-SOIC (0.154", 3.90mm Width)
8-SOIC
8-TDFN
MCP7940NT-I/MNY
IC RTC CLK/CALENDAR I2C 8TDFN
Microchip Technology
39,960
In Stock
1 : $1.52000
Cut Tape (CT)
3,300 : $1.32801
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output, SRAM
64B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 5.5V
1.3V ~ 5.5V
1.2µA @ 3.3V
-40°C ~ 85°C
Surface Mount
Automotive
AEC-Q100
8-WFDFN Exposed Pad
8-TDFN (2x3)
8 SOIC
MCP79400T-I/SN
IC RTC CLK/CALENDAR I2C 8SOIC
Microchip Technology
2,298
In Stock
1 : $1.52000
Cut Tape (CT)
3,300 : $1.32801
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
64B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 5.5V
1.3V ~ 5.5V
1.2µA (Typ) @ 3.3V
-40°C ~ 85°C
Surface Mount
-
-
8-SOIC (0.154", 3.90mm Width)
8-SOIC
8 SOIC
PCF8563T/5,518
IC RTC CLOCK/CALENDAR I2C 8SO
NXP USA Inc.
5,129
In Stock
1 : $1.63000
Cut Tape (CT)
2,500 : $0.78081
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Watchdog Timer
-
HH:MM:SS (24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1V ~ 5.5V
-
0.6µA ~ 0.75µA @ 2V ~ 5V
-40°C ~ 85°C
Surface Mount
-
-
8-SOIC (0.154", 3.90mm Width)
8-SO
8 SOIC
MCP79410-I/SN
IC RTC CLK/CALENDAR I2C 8SOIC
Microchip Technology
4,878
In Stock
1 : $1.66000
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
64B, 1Kb
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 5.5V
1.3V ~ 5.5V
1.2µA @ 3.3V
-40°C ~ 85°C
Surface Mount
-
-
8-SOIC (0.154", 3.90mm Width)
8-SOIC
8 SOIC
MCP79410T-I/SN
IC RTC CLK/CALENDAR I2C 8SOIC
Microchip Technology
3,012
In Stock
1 : $1.66000
Cut Tape (CT)
3,300 : $1.45600
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
64B, 1Kb
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 5.5V
1.3V ~ 5.5V
1.2µA @ 3.3V
-40°C ~ 85°C
Surface Mount
-
-
8-SOIC (0.154", 3.90mm Width)
8-SOIC
8-MSOP
MCP79410T-I/MS
IC RTC CLK/CALENDAR I2C 8MSOP
Microchip Technology
9,845
In Stock
1 : $1.73000
Cut Tape (CT)
2,500 : $1.54000
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
64B, 1Kb
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 5.5V
1.3V ~ 5.5V
1.2µA @ 3.3V
-40°C ~ 85°C
Surface Mount
-
-
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-MSOP
8-MSOP
MCP79410-I/MS
IC RTC CLK/CALENDAR I2C 8MSOP
Microchip Technology
4,157
In Stock
1 : $1.73000
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
64B, 1Kb
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 5.5V
1.3V ~ 5.5V
1.2µA @ 3.3V
-40°C ~ 85°C
Surface Mount
-
-
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-MSOP
PCF85263ATL/AX
PCF85263ATL/AX
IC RTC CLK/CALENDAR I2C 10DFN
NXP USA Inc.
1,223
In Stock
1 : $1.79000
Cut Tape (CT)
4,000 : $0.84771
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Watchdog Timer
-
HH:MM:SS:hh (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
0.9V ~ 5.5V
0.9V ~ 5.5V
0.885µA @ 3.3V
-40°C ~ 85°C
Surface Mount
-
-
10-XFDFN Exposed Pad
10-DFN (2.6x2.6)
8-TDFN
MCP79410T-I/MNY
IC RTC CLK/CALENDAR I2C 8TDFN
Microchip Technology
23,074
In Stock
1 : $1.81000
Cut Tape (CT)
3,300 : $1.60000
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
64B, 1Kb
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 5.5V
1.3V ~ 5.5V
1.2µA @ 3.3V
-40°C ~ 85°C
Surface Mount
-
-
8-WFDFN Exposed Pad
8-TDFN (2x3)
8 SOIC
MCP79411-I/SN
IC RTC CLK/CALENDAR I2C 8SOIC
Microchip Technology
3,232
In Stock
1 : $1.81000
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
64B, 1Kb
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 5.5V
1.3V ~ 5.5V
1.2µA @ 3.3V
-40°C ~ 85°C
Surface Mount
-
-
8-SOIC (0.154", 3.90mm Width)
8-SOIC
8 SOIC
PCF85263AT/AJ
IC RTC CLOCK/CALENDAR I2C 8SO
NXP USA Inc.
128,776
In Stock
1 : $1.87000
Cut Tape (CT)
2,500 : $0.90776
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Watchdog Timer
-
HH:MM:SS:hh (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
0.9V ~ 5.5V
0.9V ~ 5.5V
0.885µA @ 3.3V
-40°C ~ 85°C
Surface Mount
-
-
8-SOIC (0.154", 3.90mm Width)
8-SO
PCA9306DP,118
PCF85263ATT/AJ
IC RTC CLK/CALENDAR I2C 8TSSOP
NXP USA Inc.
44,206
In Stock
1 : $1.87000
Cut Tape (CT)
2,500 : $0.90776
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Watchdog Timer
-
HH:MM:SS:hh (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
0.9V ~ 5.5V
0.9V ~ 5.5V
0.885µA @ 3.3V
-40°C ~ 85°C
Surface Mount
-
-
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-TSSOP
8-MSOP
MCP79411-I/MS
IC RTC CLK/CALENDAR I2C 8MSOP
Microchip Technology
1,744
In Stock
1 : $1.89000
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
64B, 1Kb
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 5.5V
1.3V ~ 5.5V
1.2µA @ 3.3V
-40°C ~ 85°C
Surface Mount
-
-
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-MSOP
10 MSOP
MCP79510-I/MS
IC RTC CLK/CALENDAR SPI 10MSOP
Microchip Technology
5,162
In Stock
1 : $2.06000
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID
64B
HH:MM:SS:hh (12/24 hr)
YY-MM-DD-dd
SPI
1.8V ~ 3.6V
1.3V ~ 3.6V
1µA @ 1.8V ~ 3.6V
-40°C ~ 85°C
Surface Mount
-
-
10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
10-MSOP
10 MSOP
MCP79510T-I/MS
IC RTC CLK/CALENDAR SPI 10MSOP
Microchip Technology
4,025
In Stock
1 : $2.06000
Cut Tape (CT)
2,500 : $1.80801
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID
64B
HH:MM:SS:hh (12/24 hr)
YY-MM-DD-dd
SPI
1.8V ~ 3.6V
1.3V ~ 3.6V
1µA @ 1.8V ~ 3.6V
-40°C ~ 85°C
Surface Mount
-
-
10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
10-MSOP
Showing
of 2,385

Real Time Clocks


Real Time Clocks (RTCs) provide time and/or date information in almost any electronic device which needs to keep accurate time. The clock types are binary counter, clock/calendar/supervisor, elapsed time counter, phantom time chip, portable system controller, temperature recorder, time event recorder, and timer clock peripheral.  They contain memory sizes ranging from 2 B to 2 MB and have interface options of I2C, Parallel, Serial, SPI, 1-Wire, 2-Wire, 3-Wire, and 4-Wire.