Real Time Clock RTC Module with I2C or SPI interface featuring backup battery switch-over function in HLSON16 package.
PCF2131TFY
NXP Semiconductors
1:
$3.38
11,128 In Stock
Mouser Part No 771-PCF2131TFY
NXP Semiconductors
Real Time Clock RTC Module with I2C or SPI interface featuring backup battery switch-over function in HLSON16 package.
11,128 In Stock
1
$3.38
10
$2.54
25
$2.33
100
$2.09
250
View
4,000
$1.76
250
$1.98
500
$1.91
1,000
$1.85
2,000
$1.81
4,000
$1.76
Buy
Min.: 1 Mult.: 1
Details
Serial, I2C, SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
Backup Switching
1.2 V
5.5 V
- 40 C
+ 85 C
PCF2131
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Low Power Real time clocks
PCF85063TP/1Z
NXP Semiconductors
1:
$0.92
80,976 In Stock
Mouser Part No 771-PCF85063TP/1Z
NXP Semiconductors
Real Time Clock Low Power Real time clocks
80,976 In Stock
1
$0.92
10
$0.659
25
$0.588
100
$0.522
4,000
$0.413
8,000
View
250
$0.488
500
$0.467
1,000
$0.449
8,000
$0.407
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
HWSON-8
No Backup Switching
900 mV
5.5 V
- 40 C
+ 85 C
PCF85063TP
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Low Power Real time clocks
+2 images
PCF85263AT/AJ
NXP Semiconductors
1:
$1.21
155,373 In Stock
Mouser Part No 771-PCF85263AT/AJ
NXP Semiconductors
Real Time Clock Low Power Real time clocks
155,373 In Stock
1
$1.21
10
$0.885
25
$0.788
100
$0.713
2,500
$0.58
7,500
View
250
$0.669
500
$0.642
1,000
$0.62
7,500
$0.574
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
SO-8
Backup Switching
900 mV
5.5 V
- 40 C
+ 85 C
PCF85263A
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Low Power Real time clocks
PCF85363ATL/AX
NXP Semiconductors
1:
$1.46
86,698 In Stock
Mouser Part No 771-PCF85363ATL/AX
NXP Semiconductors
Real Time Clock Low Power Real time clocks
86,698 In Stock
1
$1.46
10
$1.06
25
$0.959
100
$0.852
4,000
$0.703
8,000
View
250
$0.80
500
$0.769
1,000
$0.744
8,000
$0.689
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
DFN2626-10
Backup Switching
900 mV
5.5 V
- 40 C
+ 85 C
PCF85363A
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768 KHZ
AB1805-T3
ABRACON
1:
$1.98
13,891 In Stock
Mouser Part No 815-AB1805-T3
ABRACON
Real Time Clock 32.768 KHZ
13,891 In Stock
1
$1.98
10
$1.46
25
$1.33
100
$1.19
250
View
3,000
$1.03
250
$1.12
500
$1.08
1,000
$1.04
3,000
$1.03
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
256 B
QFN-16
Backup Switching
1.7 V
3.6 V
- 40 C
+ 85 C
AB18x5
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP
ISL12057IBZ-T
Renesas / Intersil
1:
$2.73
12,748 In Stock
Mouser Part No 968-ISL12057IBZ-T
Renesas / Intersil
Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP
12,748 In Stock
Alternative Packaging
1
$2.73
10
$2.04
25
$1.86
100
$1.67
250
$1.62
2,500
$1.62
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
SOIC-8
No Backup Switching
1.8 V
3.6 V
- 40 C
+ 85 C
ISL12057
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Ultra-Low power 12C Real Time clock w/ p
Analog Devices / Maxim Integrated MAX31331TETB+T
MAX31331TETB+T
Analog Devices / Maxim Integrated
1:
$4.70
1,468 In Stock
2,500 Expected 03/03/2026
Mouser Part No 700-MAX31331TETB+T
Analog Devices / Maxim Integrated
Real Time Clock Ultra-Low power 12C Real Time clock w/ p
1,468 In Stock
2,500 Expected 03/03/2026
Alternative Packaging
1
$4.70
10
$3.12
25
$2.89
100
$2.51
2,500
$1.74
5,000
View
250
$2.38
500
$2.13
1,000
$1.80
5,000
$1.71
Buy
Min.: 1 Mult.: 1
Details
Reel, Cut Tape, MouseReel
Real Time Clock 32.768 kHz +/-20 PPM SPI -40/+85C
RV-8063-C7-32.768KHZ-20PPM-TA-QC
Micro Crystal
1:
$1.67
7,947 In Stock
Mouser Part No 428-203119-MG01
Micro Crystal
Real Time Clock 32.768 kHz +/-20 PPM SPI -40/+85C
7,947 In Stock
1
$1.67
10
$1.22
25
$1.11
100
$0.983
1,000
$0.821
4,000
View
250
$0.923
500
$0.888
4,000
$0.774
8,000
$0.751
Buy
Min.: 1 Mult.: 1
Details
Serial, I2C, SPI
YY-MM-DD-dd
HH:MM:SS (24 hr)
No Backup Switching
900 mV
5.5 V
- 40 C
+ 85 C
RV-8063-C7
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz SPI Time Acc. 25ppm
RV-3149-C3 32.768kHz OPTION B TA QC
Micro Crystal
1:
$3.87
737 In Stock
Mouser Part No 428-203605-MG01
Micro Crystal
Real Time Clock 32.768kHz SPI Time Acc. 25ppm
737 In Stock
1
$3.87
10
$2.92
25
$2.68
100
$2.42
1,000
$2.04
2,000
View
250
$2.29
500
$2.22
2,000
$1.97
5,000
$1.95
Buy
Min.: 1 Mult.: 1
Details
SPI
YY-MM-DD-dd
HH:MM:SS (24 hr)
8 B
Backup Switching
1.3 V
5.5 V
- 40 C
+ 85 C
RV-3149
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C Time Acc. 25ppm
RV-3129-C3 32.768kHz OPTION B TA QC
Micro Crystal
1:
$3.34
1,750 In Stock
Mouser Part No 428-203634-MG01
Micro Crystal
Real Time Clock 32.768kHz I2C Time Acc. 25ppm
1,750 In Stock
1
$3.34
10
$2.51
25
$2.30
100
$2.07
1,000
$1.82
2,000
View
250
$1.96
500
$1.89
2,000
$1.76
5,000
$1.73
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
8 B
Backup Switching
1.3 V
5.5 V
- 40 C
+ 85 C
RV-3129
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C Time Acc. 25ppm AEC
RV-3129-C3 32.768kHz OPTION B TB QA
Micro Crystal
1:
$4.15
1,168 In Stock
Mouser Part No 428-203639-MG01
Micro Crystal
Real Time Clock 32.768kHz I2C Time Acc. 25ppm AEC
1,168 In Stock
1
$4.15
10
$3.13
25
$2.88
100
$2.60
1,000
$2.12
2,000
View
250
$2.46
500
$2.38
2,000
$2.09
5,000
$2.08
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
8 B
Backup Switching
1.3 V
5.5 V
- 40 C
+ 125 C
RV-3129
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz SPI Time Acc. 6ppm AEC
RV-3149-C3 32.768kHz OPTION A TB QA
Micro Crystal
1:
$4.88
1,425 In Stock
Mouser Part No 428-203641-MG01
Micro Crystal
Real Time Clock 32.768kHz SPI Time Acc. 6ppm AEC
1,425 In Stock
1
$4.88
10
$3.71
25
$3.42
100
$3.09
1,000
$2.76
2,000
View
250
$2.94
500
$2.85
2,000
$2.66
Buy
Min.: 1 Mult.: 1
Details
SPI
YY-MM-DD-dd
HH:MM:SS (24 hr)
8 B
Backup Switching
1.3 V
5.5 V
- 40 C
+ 125 C
RV-3149
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz SPI Time Acc. 25ppm AEC
RV-3149-C3 32.768kHz OPTION B TB QA
Micro Crystal
1:
$5.56
1,196 In Stock
Mouser Part No 428-203684-MG01
Micro Crystal
Real Time Clock 32.768kHz SPI Time Acc. 25ppm AEC
1,196 In Stock
1
$5.56
10
$3.82
25
$3.56
100
$3.13
1,000
$2.25
2,000
View
250
$2.97
500
$2.67
2,000
$2.17
Buy
Min.: 1 Mult.: 1
Details
SPI
YY-MM-DD-dd
HH:MM:SS (24 hr)
8 B
Backup Switching
1.3 V
5.5 V
- 40 C
+ 125 C
RV-3149
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock
RV-8263-C7-32.768KHZ-20PPM-TA-QC
Micro Crystal
1:
$1.51
4,807 In Stock
Mouser Part No 428-8263C7328K20PTQC
Micro Crystal
Real Time Clock
4,807 In Stock
1
$1.51
10
$1.12
25
$1.03
100
$0.908
1,000
$0.776
4,000
View
250
$0.855
500
$0.821
4,000
$0.764
8,000
$0.751
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
No Backup Switching
900 mV
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM ID
MCP79400-I/SN
Microchip Technology
1:
$0.95
1,636 In Stock
Mouser Part No 579-MCP79400ISN
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM ID
1,636 In Stock
Alternative Packaging
1
$0.95
25
$0.88
100
$0.846
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
SOIC-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
MCP79400
SMD/SMT
Tube
Real Time Clock I2C GP RTCC 64B SRAM ID
MCP79400T-I/MS
Microchip Technology
1:
$1.00
3,514 In Stock
Mouser Part No 579-MCP79400TIMS
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM ID
3,514 In Stock
Alternative Packaging
1
$1.00
25
$0.92
100
$0.87
2,500
$0.87
10,000
$0.869
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape
Real Time Clock I2C RTCC 64B SRAM No VBAT
MCP7940MT-I/SN
Microchip Technology
1:
$0.67
5,468 In Stock
Mouser Part No 579-MCP7940MT-I/SN
Microchip Technology
Real Time Clock I2C RTCC 64B SRAM No VBAT
5,468 In Stock
Alternative Packaging
1
$0.67
25
$0.62
100
$0.602
3,300
$0.602
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
SOIC-8
No Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM ExT SER EE, ExT
MCP7940N-E/SN
Microchip Technology
1:
$0.92
1,592 In Stock
Mouser Part No 579-MCP7940N-E/SN
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM ExT SER EE, ExT
1,592 In Stock
Alternative Packaging
1
$0.92
25
$0.85
100
$0.833
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
SOIC-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 125 C
SMD/SMT
Tube
Real Time Clock I2C GP RTCC 64B SRAM
MCP7940N-I/MS
Microchip Technology
1:
$0.90
3,055 In Stock
Mouser Part No 579-MCP7940N-I/MS
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM
3,055 In Stock
Alternative Packaging
1
$0.90
25
$0.83
100
$0.82
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
MSOP-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock I2C GP RTCC 64B SRAM
MCP7940N-I/SN
Microchip Technology
1:
$0.85
4,200 In Stock
Mouser Part No 579-MCP7940N-I/SN
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM
4,200 In Stock
Alternative Packaging
1
$0.85
25
$0.79
100
$0.769
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
SOIC-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock I2C GP RTCC 64B SRAM, EXT
MCP7940NT-E/MS
Microchip Technology
1:
$0.97
1,684 In Stock
2,422 Expected 19/03/2026
Mouser Part No 579-MCP7940NT-E/MS
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM, EXT
1,684 In Stock
2,422 Expected 19/03/2026
Alternative Packaging
1
$0.97
25
$0.90
100
$0.85
2,500
$0.85
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
MSOP-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 125 C
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM
MCP7940NT-I/MNY
Microchip Technology
1:
$0.95
2,743 In Stock
Mouser Part No 579-MCP7940NT-I/MNY
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM
2,743 In Stock
1
$0.95
25
$0.88
100
$0.846
3,300
$0.846
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
TDFN-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM
MCP7940NT-I/MS
Microchip Technology
1:
$0.90
6,341 In Stock
Mouser Part No 579-MCP7940NT-I/MS
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM
6,341 In Stock
Alternative Packaging
1
$0.90
25
$0.83
100
$0.82
2,500
$0.82
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
MSOP-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM
MCP7940NT-I/SN
Microchip Technology
1:
$0.85
9,658 In Stock
Mouser Part No 579-MCP7940NT-I/SN
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM
9,658 In Stock
Alternative Packaging
1
$0.85
25
$0.79
100
$0.769
3,300
$0.769
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
SOIC-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM
+1 image
MCP7940NT-I/ST
Microchip Technology
1:
$0.90
5,483 In Stock
Mouser Part No 579-MCP7940NT-I/ST
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM
5,483 In Stock
Alternative Packaging
1
$0.90
25
$0.83
100
$0.82
2,500
$0.82
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
TSSOP-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape, MouseReel
Israel