Real Time Clock 5ppm, I2C Real-Time Clock with Integrated MEMS Oscillator
MAX31343ETAY+
Analog Devices / Maxim Integrated
1:
$8.94
169 In Stock
490 Expected 19/8/2026
Mouser Part No 700-MAX31343ETAY+
Analog Devices / Maxim Integrated
Real Time Clock 5ppm, I2C Real-Time Clock with Integrated MEMS Oscillator
169 In Stock
490 Expected 19/8/2026
Alternative Packaging
1
$8.94
10
$6.85
25
$6.34
100
$5.77
250
View
250
$5.34
490
$5.20
980
$5.13
2,940
$5.07
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
64 B
TDFN-8
Backup Switching
1.6 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tray
Real Time Clock 1.8V-5.5V Real Time Clock 12C bus
+2 images
PT7C4337UEX
Diodes Incorporated
1:
$1.59
1,656 In Stock
Mouser Part No 729-PT7C4337UEX
Diodes Incorporated
Real Time Clock 1.8V-5.5V Real Time Clock 12C bus
1,656 In Stock
Alternative Packaging
1
$1.59
10
$1.15
25
$1.04
100
$0.913
250
View
2,500
$0.755
250
$0.854
500
$0.817
1,000
$0.813
2,500
$0.755
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
Reel, Cut Tape, MouseReel
Real Time Clock 2-Wire Real-time Clock module
+2 images
PT7C43390LEX
Diodes Incorporated
1:
$2.42
324 In Stock
Mouser Part No 729-PT7C43390LEX
Diodes Incorporated
Real Time Clock 2-Wire Real-time Clock module
324 In Stock
Alternative Packaging
1
$2.42
10
$1.78
25
$1.62
100
$1.44
2,500
$1.18
5,000
View
250
$1.35
500
$1.29
5,000
$1.15
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
Reel, Cut Tape, MouseReel
Real Time Clock Real-time Clock IC
+2 images
PT7C4372ALEX
Diodes Incorporated
1:
$1.32
126 In Stock
Mouser Part No 729-PT7C4372ALEX
Diodes Incorporated
Real Time Clock Real-time Clock IC
126 In Stock
Alternative Packaging
1
$1.32
10
$0.955
25
$0.86
100
$0.756
250
View
2,500
$0.626
250
$0.706
500
$0.676
1,000
$0.654
2,500
$0.626
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
Reel, Cut Tape, MouseReel
Real Time Clock RX4111CE:A3 REAL TIME CLOCK SPI-BUS 3.0V 11.5PPM 250TR
RX4111CE A3
Epson Timing
1:
$6.45
5,810 In Stock
Mouser Part No 732-RX4111CEA3
Epson Timing
Real Time Clock RX4111CE:A3 REAL TIME CLOCK SPI-BUS 3.0V 11.5PPM 250TR
5,810 In Stock
1
$6.45
10
$4.86
25
$4.46
100
$3.89
250
$3.89
Buy
Min.: 1 Mult.: 1
Reel :250
Details
Serial 4-Wire, SPI
Backup Switching
1.6 V
5.5 V
- 40 C
+ 85 C
RX4111CE
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface in HWSON8 package.
PCF85063TP/1Z
NXP Semiconductors
1:
$1.14
85 In Stock
76,000 Expected 15/2/2027
Mouser Part No 771-PCF85063TP/1Z
NXP Semiconductors
Real Time Clock RTC IC with 400 kHz I2C interface in HWSON8 package.
85 In Stock
76,000 Expected 15/2/2027
1
$1.14
10
$0.843
25
$0.766
100
$0.722
250
View
4,000
$0.585
250
$0.68
500
$0.654
1,000
$0.63
2,000
$0.62
4,000
$0.585
Buy
Min.: 1 Mult.: 1
Reel :4,000
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 RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in TSSOP8 package.
+1 image
PCF85363ATT/AJ
NXP Semiconductors
1:
$2.12
953 In Stock
7,500 Expected 21/9/2026
Mouser Part No 771-PCF85363ATT/AJ
NXP Semiconductors
Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in TSSOP8 package.
953 In Stock
7,500 Expected 21/9/2026
1
$2.12
10
$1.56
25
$1.41
100
$1.25
250
View
2,500
$1.00
250
$1.18
500
$1.13
1,000
$1.10
2,500
$1.00
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
TSSOP-8
Backup Switching
900 mV
5.5 V
- 40 C
+ 85 C
PCF85363A
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768 KHZ 3-OUTPUT
AB0805-T3
ABRACON
1:
$4.18
357 In Stock
12,000 Expected 28/12/2026
Mouser Part No 815-AB0805-T3
ABRACON
Real Time Clock 32.768 KHZ 3-OUTPUT
357 In Stock
12,000 Expected 28/12/2026
1
$4.18
10
$3.13
25
$2.86
100
$2.57
250
View
3,000
$2.01
250
$2.24
500
$2.19
1,000
$2.14
3,000
$2.01
Buy
Min.: 1 Mult.: 1
Reel :3,000
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
AB08x5
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768 KHZ
AB1805-T3
ABRACON
1:
$4.22
762 In Stock
12,000 On Order
Mouser Part No 815-AB1805-T3
ABRACON
Real Time Clock 32.768 KHZ
762 In Stock
12,000 On Order
View Dates
Stock:
762 Can Dispatch Immediately
On Order:
3,000 Expected 3/12/2026
9,000 Expected 18/12/2026
Factory Lead Time:
24 Weeks
1
$4.22
10
$3.16
25
$2.88
100
$2.58
3,000
$2.07
6,000
View
250
$2.27
500
$2.20
1,000
$2.15
6,000
$2.01
Buy
Min.: 1 Mult.: 1
Reel :3,000
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 32.768 KHZ
AB1815-T3
ABRACON
1:
$4.22
666 In Stock
3,000 Expected 11/12/2026
Mouser Part No 815-AB1815-T3
ABRACON
Real Time Clock 32.768 KHZ
666 In Stock
3,000 Expected 11/12/2026
1
$4.22
10
$3.16
25
$2.88
100
$2.58
250
View
3,000
$2.07
250
$2.45
500
$2.37
1,000
$2.31
3,000
$2.07
Buy
Min.: 1 Mult.: 1
Reel :3,000
Details
SPI
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 Timer Control Periph eral A 926-DP8570AV A 926-DP8570AVX/NOPB
DP8570AV/NOPB
Texas Instruments
1:
$72.20
17 In Stock
Mouser Part No 926-DP8570AV/NOPB
Texas Instruments
Real Time Clock Timer Control Periph eral A 926-DP8570AV A 926-DP8570AVX/NOPB
17 In Stock
Alternative Packaging
1
$72.20
10
$59.15
25
$55.26
105
$52.58
280
View
280
$51.27
1,750
Quote
Buy
Min.: 1 Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
32 B
PLCC-28
Backup Switching
4.5 V
5.5 V
- 40 C
+ 85 C
DP8570A
SMD/SMT
Tube
Real Time Clock LDAL TIME CLK & TEMP COMPENSATED CR
ISL12020MIRZ-T7A
Renesas / Intersil
1:
$15.44
50 In Stock
Mouser Part No 968-ISL12020MIRZ-T7A
Renesas / Intersil
Real Time Clock LDAL TIME CLK & TEMP COMPENSATED CR
50 In Stock
Alternative Packaging
1
$15.44
10
$12.06
25
$11.22
100
$10.30
250
$9.79
500
View
500
$9.52
1,000
$9.38
Buy
Min.: 1 Mult.: 1
Reel :250
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
128 B
DFN-20
Backup Switching
2.7 V
5.5 V
- 40 C
+ 85 C
ISL12020
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP
ISL12057IUZ
Renesas / Intersil
1:
$3.86
690 In Stock
3,100 Expected 25/1/2027
Mouser Part No 968-ISL12057IUZ
Renesas / Intersil
Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP
690 In Stock
3,100 Expected 25/1/2027
Alternative Packaging
1
$3.86
10
$2.88
50
$2.50
100
$2.35
250
View
250
$2.23
500
$2.16
1,000
$2.07
2,500
$2.01
5,000
$1.96
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
MSOP-8
No Backup Switching
1.8 V
3.6 V
- 40 C
+ 85 C
ISL12057
SMD/SMT
Tube
Real Time Clock I2C REAL TIME CLOCK/ CALENDAR 8LD
ISL1208IB8Z
Renesas / Intersil
1:
$4.01
801 In Stock
1,200 Expected 25/12/2026
Mouser Part No 968-ISL1208IB8Z
Renesas / Intersil
Real Time Clock I2C REAL TIME CLOCK/ CALENDAR 8LD
801 In Stock
1,200 Expected 25/12/2026
Alternative Packaging
1
$4.01
10
$2.94
25
$2.69
100
$2.42
300
View
300
$2.27
500
$2.23
1,000
$2.15
2,500
$2.07
5,000
$2.04
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
2 B
SOIC-8
Backup Switching
2.7 V
5.5 V
- 40 C
+ 85 C
ISL1208
SMD/SMT
Tube
Real Time Clock REAL TIME CLKRTC IN
+1 image
ISL1219IUZ
Renesas / Intersil
1:
$5.55
64 In Stock
980 Expected 11/9/2026
Mouser Part No 968-ISL1219IUZ
Renesas / Intersil
Real Time Clock REAL TIME CLKRTC IN
64 In Stock
980 Expected 11/9/2026
Alternative Packaging
1
$5.55
10
$4.19
25
$3.85
100
$3.59
250
View
250
$3.40
500
$3.25
980
$3.03
2,940
$2.98
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
2 B
MSOP-10
Backup Switching
2.7 V
5.5 V
- 40 C
+ 85 C
ISL1219
SMD/SMT
Tube
Real Time Clock RTC I2c Serial IC 1.8 to 5.5V 32kHz
1337AGDVGI
Renesas Electronics
1:
$3.63
7 In Stock
768 Expected 13/12/2027
Mouser Part No 972-1337AGDVGI
Renesas Electronics
Real Time Clock RTC I2c Serial IC 1.8 to 5.5V 32kHz
7 In Stock
768 Expected 13/12/2027
Alternative Packaging
1
$3.63
10
$2.71
25
$2.65
Buy
Min.: 1 Mult.: 1
Details
MSOP-8
1337AGD
SMD/SMT
Tube
Real Time Clock .9RTC BASE
1338-31DCGI8
Renesas Electronics
1:
$5.34
69 In Stock
6,000 Expected 13/12/2027
Mouser Part No 972-1338-31DCGI8
Renesas Electronics
Real Time Clock .9RTC BASE
69 In Stock
6,000 Expected 13/12/2027
Alternative Packaging
1
$5.34
10
$3.98
25
$3.64
100
$3.28
250
View
3,000
$3.05
250
$3.09
500
$3.05
3,000
$3.05
Buy
Min.: 1 Mult.: 1
Reel :3,000
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
56 B
SOIC-8
Backup Switching
1.3 V
3.7 V
- 40 C
+ 85 C
1338
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Automotive tiny Real-Time Clock/calendar with alarm function and I2C-bus
PCA85063ATT/AJ
NXP Semiconductors
1:
$2.16
29 In Stock
12,500 On Order
NRND
Mouser Part No 771-PCA85063ATT/AJ
NRND
NXP Semiconductors
Real Time Clock Automotive tiny Real-Time Clock/calendar with alarm function and I2C-bus
29 In Stock
12,500 On Order
View Dates
Stock:
29 Can Dispatch Immediately
On Order:
5,000 Expected 16/11/2026
7,500 Expected 15/2/2027
Factory Lead Time:
27 Weeks
1
$2.16
10
$1.58
25
$1.44
100
$1.22
250
View
2,500
$1.05
250
$1.15
500
$1.10
1,000
$1.09
2,500
$1.05
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
TSSOP-8
No Backup Switching
900 mV
5.5 V
- 40 C
+ 105 C
PCA85063A
SMD/SMT
AEC-Q100
Reel, Cut Tape, MouseReel
Real Time Clock 2-Wire Real Time Clock IC
R2051L01-E2
Nisshinbo
1:
$2.19
79 In Stock
Mouser Part No 848-R2051L01-E2
Nisshinbo
Real Time Clock 2-Wire Real Time Clock IC
79 In Stock
1
$2.19
10
$1.60
25
$1.46
100
$1.28
3,000
$1.04
6,000
View
250
$1.22
1,000
$1.04
6,000
$1.03
Buy
Min.: 1 Mult.: 1
Reel :3,000
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
QFN023023-16
Backup Switching
750 mV
5.5 V
- 40 C
+ 85 C
R2051L
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 114x8 NV SRAM
BQ3285S-SB2
Texas Instruments
1:
$22.90
20 In Stock
End of Life
Mouser Part No 595-BQ3285S-SB2
End of Life
Texas Instruments
Real Time Clock RTC IC with 114x8 NV SRAM
20 In Stock
Alternative Packaging
1
$22.90
10
$18.18
25
$17.00
100
$16.18
250
View
250
$15.44
500
$15.16
Buy
Min.: 1 Mult.: 1
Details
Multiplexed
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
114 B
SOIC-24
Backup Switching
4.5 V
5.5 V
0 C
+ 70 C
BQ3285
SMD/SMT
Tube
Real Time Clock Parallel RTC A 595-B Q4802YDWR A 595-BQ4 A 595-BQ4802YDWR
BQ4802YDW
Texas Instruments
1:
$34.76
7 In Stock
End of Life
Mouser Part No 595-BQ4802YDW
End of Life
Texas Instruments
Real Time Clock Parallel RTC A 595-B Q4802YDWR A 595-BQ4 A 595-BQ4802YDWR
7 In Stock
Alternative Packaging
1
$34.76
10
$27.78
20
$24.64
100
$24.36
260
View
260
$23.85
500
$23.54
Buy
Min.: 1 Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS (24 hr)
16 B
SOIC-28
Backup Switching
4.5 V
5.5 V
0 C
+ 70 C
BQ4802Y
SMD/SMT
Tube
Real Time Clock Real Time Clock MSOP-8 T&R 2.5K
+2 images
PT7C433833AUEX
Diodes Incorporated
1:
$2.01
2,103 In Stock
Factory Special Order
Mouser Part No 729-PT7C433833AUEX
Factory Special Order
Diodes Incorporated
Real Time Clock Real Time Clock MSOP-8 T&R 2.5K
2,103 In Stock
1
$2.01
10
$1.47
25
$1.34
100
$1.19
2,500
View
250
$1.12
500
$1.07
1,000
$1.06
2,500
$0.991
5,000
$0.99
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
56 B
Backup Switching
2.7 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape
Real Time Clock RX4901CE XS D0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR
RX4901CE XS D06
Epson Timing
1:
$8.06
1,922 In Stock
Mouser Part No 732-RX4901CEXSD06
Epson Timing
Real Time Clock RX4901CE XS D0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR
1,922 In Stock
1
$8.06
10
$6.16
25
$5.68
100
$5.17
250
View
2,000
$4.42
250
$4.91
500
$4.80
1,000
$4.77
2,000
$4.42
4,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :2,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
256 B
Backup Switching
1.6 V
5.5 V
- 40 C
+ 105 C
RX4901CE
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RX8901CE XS B0 REAL TIME CLOCK MODULE I2C-Bus 3.0V +/-3ppm 2k TR
RX8901CE XS B06
Epson Timing
1:
$8.06
28 In Stock
2,000 Expected 8/3/2027
Mouser Part No 732-RX8901CEXSB06
Epson Timing
Real Time Clock RX8901CE XS B0 REAL TIME CLOCK MODULE I2C-Bus 3.0V +/-3ppm 2k TR
28 In Stock
2,000 Expected 8/3/2027
1
$8.06
10
$6.16
25
$5.68
100
$5.17
250
View
2,000
$4.49
250
$4.91
500
$4.80
1,000
$4.77
2,000
$4.49
4,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :2,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
No Backup Switching
1.6 V
5.5 V
- 40 C
+ 105 C
RX8901CE
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Low Power High Stability 5 ppm -40 - +85C IC Real Time Clock 3.2 x 2.5 mm
ECS-RTC-3225-5699HS-TR
ECS
1:
$7.71
783 In Stock
Mouser Part No 520-RTC-32255699HSTR
ECS
Real Time Clock Low Power High Stability 5 ppm -40 - +85C IC Real Time Clock 3.2 x 2.5 mm
783 In Stock
1
$7.71
10
$5.89
25
$5.43
100
$4.92
1,000
$4.49
2,000
View
250
$4.90
500
$4.84
2,000
$4.43
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD
HH:MM:SS (24 hr)
Backup Switching
1.6 V
5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape, MouseReel
