Real Time Clock Low-Current I C RTCs for High-ESR Crystals
DS1342T+T&R
Analog Devices / Maxim Integrated
1:
$5.00
246 In Stock
Mouser Part # 700-DS1342T+T&R
Analog Devices / Maxim Integrated
Real Time Clock Low-Current I C RTCs for High-ESR Crystals
246 In Stock
Alternative Packaging
1
$5.00
10
$3.81
25
$3.51
100
$3.18
250
View
2,500
$2.84
250
$3.02
500
$2.93
1,000
$2.89
2,500
$2.84
5,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
TDFN-EP-8
No Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
DS1342T
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus
360°
+3 images
RX8900SA UA3 PURE SN
Epson Timing
1:
$10.01
263 In Stock
Mouser Part # 732-RX8900SAUA3SN
Epson Timing
Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus
263 In Stock
1
$10.01
10
$7.80
25
$7.04
100
$6.53
250
$6.14
500
View
500
$6.12
1,000
$5.86
2,500
Quote
Buy
Min.: 1 Mult.: 1
Reel :250
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
Backup Switching
2.5 V
5.5 V
- 40 C
+ 85 C
RX8900SA
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RX4901CEXS A0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR
RX4901CE XS A06
Epson Timing
1:
$5.93
1,988 In Stock
Mouser Part # 732-RX4901CEXSA06
Epson Timing
Real Time Clock RX4901CEXS A0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR
1,988 In Stock
1
$5.93
10
$4.53
25
$4.18
100
$3.80
250
View
2,000
$3.19
250
$3.61
500
$3.53
1,000
$3.32
2,000
$3.19
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 32.768kHz-DTCXO 5ppm I2C-Bus
360°
+3 images
RX8900SA UC3 PURE SN
Epson Timing
1:
$6.12
766 In Stock
Mouser Part # 732-RX8900SAUC3SN
Epson Timing
Real Time Clock 32.768kHz-DTCXO 5ppm I2C-Bus
766 In Stock
1
$6.12
10
$4.69
25
$4.34
100
$3.95
250
$3.75
500
View
500
$3.61
1,000
$3.54
2,500
$3.41
5,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :250
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
Backup Switching
2.5 V
5.5 V
- 40 C
+ 85 C
RX8900SA
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 5+/-23PPM RTC 250TR
RX-8571LC:B3 PURE SN
Epson Timing
1:
$7.27
844 In Stock
Mouser Part # 732-RX-8571LCB3
Epson Timing
Real Time Clock 5+/-23PPM RTC 250TR
844 In Stock
Alternative Packaging
1
$7.27
10
$5.61
25
$4.99
100
$4.65
250
$4.23
500
View
500
$4.19
2,500
$4.14
5,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :250
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
16 B
VSOJ-12
No Backup Switching
1.6 V
5.5 V
- 40 C
+ 85 C
RX-8571LC
SMD/SMT
Reel, Cut Tape
Real Time Clock RX-8571LC:B0 PURE SN 5+/-23PPM REAL TIME CLOCK
+2 images
RX-8571LCB0 PURE SN
Epson Timing
1:
$3.59
544 In Stock
Mouser Part # 732-RX8571LCB0PURESN
Epson Timing
Real Time Clock RX-8571LC:B0 PURE SN 5+/-23PPM REAL TIME CLOCK
544 In Stock
Alternative Packaging
1
$3.59
10
$2.71
25
$2.49
100
$2.24
1,000
$1.77
5,000
View
250
$2.13
500
$1.78
5,000
$1.76
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
16 B
No Backup Switching
1.6 V
5.5 V
- 40 C
+ 85 C
RX-8571LC
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock REAL TIME CLOCK 3.0V 5+/-23PPM 250TR
360°
+3 images
RX6110SA:B3 PURE SN
Epson Timing
1:
$5.06
412 In Stock
Mouser Part # 732-RX6110SAB3PURESN
Epson Timing
Real Time Clock REAL TIME CLOCK 3.0V 5+/-23PPM 250TR
412 In Stock
Alternative Packaging
1
$5.06
10
$3.85
25
$3.55
100
$3.37
250
$3.21
500
View
500
$2.87
1,000
$2.83
2,500
$2.76
5,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :250
Details
Serial, I2C, SPI
YY-MM-DD-dd
HH:MM:SS (24 hr)
16 B
Backup Switching
1.6 V
5.5 V
- 40 C
+ 85 C
RX6110SA
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus
AB-RTC-TH-32.768kHz-2-T3
ABRACON
1:
$3.15
2,960 In Stock
New Product
Mouser Part # 815-ABRTCTH32768K2T3
New Product
ABRACON
Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus
2,960 In Stock
1
$3.15
10
$2.35
25
$2.15
100
$1.93
250
$1.82
3,000
$1.54
Buy
Min.: 1 Mult.: 1
Reel :3,000
Details
I2C
Backup Switching
1.6 V
5.5 V
- 40 C
+ 85 C
AB-RTC-TH-32.768kHz-2
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus
AB-RTC-TA-32.768kHz-2-T3
ABRACON
1:
$1.65
2,364 In Stock
New Product
Mouser Part # 815-ABRTCTA32768K2T3
New Product
ABRACON
Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus
2,364 In Stock
1
$1.65
10
$1.21
25
$1.10
3,000
$0.808
6,000
$0.79
Buy
Min.: 1 Mult.: 1
Reel :3,000
Details
I2C
SOP-8
Backup Switching
1.6 V
5.5 V
- 40 C
+ 85 C
AB-RTC-TA-32.768kHz-2
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus
AB-RTC-TC-32.768kHz-2-T
ABRACON
1:
$3.67
2,050 In Stock
New Product
Mouser Part # 815-ABRTCTC32768K2T3
New Product
ABRACON
Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus
2,050 In Stock
1
$3.67
10
$2.77
25
$2.54
100
$2.30
1,300
$2.03
2,600
View
250
$2.18
500
$2.11
2,600
$1.95
Buy
Min.: 1 Mult.: 1
Reel :1,300
Details
I2C
Backup Switching
1.6 V
5.5 V
- 40 C
+ 85 C
AB-RTC-TC-32.768kHz-2
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Built-In XO Real Time Clock Module with I2C Bus
AB-RTC-XB-32.768kHz-2-T3
ABRACON
1:
$2.64
2,968 In Stock
New Product
Mouser Part # 815-ABRTCXB32768K2T3
New Product
ABRACON
Real Time Clock Built-In XO Real Time Clock Module with I2C Bus
2,968 In Stock
1
$2.64
10
$1.96
25
$1.79
100
$1.60
250
$1.51
3,000
$1.28
Buy
Min.: 1 Mult.: 1
Reel :3,000
Details
I2C
Backup Switching
1.2 V
5.5 V
- 40 C
+ 85 C
AB-RTC-XB-32.768kHz-2
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.6mm
RV-3028-C8-32.768kHz-1PPM-TA-QC
Micro Crystal
1:
$2.90
571 In Stock
1,000 Expected 9/25/2026
New Product
Mouser Part # 428-RV3028C81PPMTAQC
New Product
Micro Crystal
Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.6mm
571 In Stock
1,000 Expected 9/25/2026
1
$2.90
10
$2.16
25
$1.98
100
$1.78
1,000
$1.58
2,000
View
250
$1.68
500
$1.63
2,000
$1.55
5,000
$1.54
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
2 B
SON-8
Backup Switching
1.1 V
5.5 V
- 40 C
+ 85 C
RV-3028-C8
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7mm
RV-8263-C8 32.768kHz-20PPM-TA-QC
Micro Crystal
1:
$1.51
4,571 In Stock
Mouser Part # 428-204208-MC01
Micro Crystal
Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7mm
4,571 In Stock
1
$1.51
10
$1.11
25
$0.991
100
$0.879
1,000
$0.792
2,000
View
250
$0.826
500
$0.793
2,000
$0.749
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
SON-8
900 mV
5.5 V
- 40 C
+ 85 C
RV-8263-C8
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C 2.5ppm 3.2x1.5x0.8mm Temperature Sensor & Real Time Clock
+1 image
RV-3032-C7 32.768kHz-2.5PPM-TA-QC
Micro Crystal
1:
$3.25
9,601 In Stock
27,000 Expected 8/14/2026
Mouser Part # 428-203803-MG01
Micro Crystal
Real Time Clock 32.768kHz I2C 2.5ppm 3.2x1.5x0.8mm Temperature Sensor & Real Time Clock
9,601 In Stock
27,000 Expected 8/14/2026
1
$3.25
10
$2.42
25
$2.21
100
$1.99
1,000
$1.74
2,000
View
250
$1.88
500
$1.83
2,000
$1.71
5,000
$1.68
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
16 B
Backup Switching
1.3 V
5.5 V
- 40 C
+ 105 C
RV-3032-C7
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM
MCP7940NT-I/SN
Microchip Technology
1:
$0.85
20,441 In Stock
Mouser Part # 579-MCP7940NT-I/SN
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM
20,441 In Stock
Alternative Packaging
Buy
Min.: 1 Mult.: 1
Reel :3,300
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 SPI GP RTCC 2Kb EE 64B SRAM ID
MCP79520-I/MS
Microchip Technology
1:
$1.39
10,382 In Stock
Mouser Part # 579-MCP79520-I/MS
Microchip Technology
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM ID
10,382 In Stock
Alternative Packaging
Buy
Min.: 1 Mult.: 1
Details
SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
2 kB
MSOP-10
Backup Switching
1.8 V
3.6 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock Automotive high-spee d CMOS timer with i
TLC3555QDRQ1
Texas Instruments
1:
$1.08
4,939 In Stock
Mouser Part # 595-TLC3555QDRQ1
Texas Instruments
Real Time Clock Automotive high-spee d CMOS timer with i
4,939 In Stock
1
$1.08
10
$0.77
25
$0.693
100
$0.61
250
View
3,000
$0.528
250
$0.57
500
$0.546
1,000
$0.528
3,000
$0.528
Buy
Min.: 1 Mult.: 1
Max.: 1,001
Reel :3,000
Details
SOIC-8
No Backup Switching
1.5 V
18 V
- 40 C
+ 125 C
TLC3555
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Serial 64 (8X8)
M41T0M6F
STMicroelectronics
1:
$4.70
5,872 In Stock
12,500 On Order
Mouser Part # 511-M41T0M6F
STMicroelectronics
Real Time Clock Serial 64 (8X8)
5,872 In Stock
12,500 On Order
View Dates
Stock:
5,872 Can Ship Immediately
On Order:
5,000 Expected 9/14/2026
7,500 Expected 5/17/2027
Factory Lead-Time:
30 Weeks
1
$4.70
10
$3.54
25
$3.25
100
$2.94
250
View
2,500
$2.54
250
$2.79
500
$2.77
1,000
$2.60
2,500
$2.54
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
8 B
SOIC-8
No Backup Switching
2 V
5.5 V
- 40 C
+ 85 C
M41T0
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Serial I2C bus RTC
M41T82ZM6F
STMicroelectronics
1:
$3.55
10,363 In Stock
Mouser Part # 511-M41T82ZM6F
STMicroelectronics
Real Time Clock Serial I2C bus RTC
10,363 In Stock
1
$3.55
10
$2.67
25
$2.45
100
$2.20
2,500
$1.86
5,000
View
250
$2.08
500
$2.03
1,000
$1.93
5,000
$1.82
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
Serial
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
32 B
SOIC-8
Backup Switching
2.38 V
5.5 V
- 40 C
+ 85 C
M41T82
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Serial SPI bus RTC
M41T93RMY6F
STMicroelectronics
1:
$10.58
7,723 In Stock
Mouser Part # 511-M41T93RMY6F
STMicroelectronics
Real Time Clock Serial SPI bus RTC
7,723 In Stock
1
$10.58
10
$8.26
25
$7.68
100
$7.05
250
View
1,000
$6.40
250
$6.69
500
$6.56
1,000
$6.40
2,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
32 B
SOX-18
Backup Switching
2.7 V
5.5 V
- 40 C
+ 85 C
M41T93
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 16K (2Kx8) 150ns
M48T12-150PC1
STMicroelectronics
1:
$42.44
555 In Stock
Mouser Part # 511-M48T1215PC1
STMicroelectronics
Real Time Clock 16K (2Kx8) 150ns
555 In Stock
Alternative Packaging
1
$42.44
10
$33.91
25
$32.53
100
$31.06
280
View
280
$30.46
560
Quote
Buy
Min.: 1 Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS (24 hr)
8 kB
PCDIP-24
Integrated Battery
4.5 V
5.5 V
0 C
+ 70 C
M48T12
Through Hole
Tube
Real Time Clock 64K (8Kx8) 70ns
+3 images
M48T58Y-70MH1F
STMicroelectronics
1:
$23.40
1,040 In Stock
Mouser Part # 511-M48T58Y-70MH1F
STMicroelectronics
Real Time Clock 64K (8Kx8) 70ns
1,040 In Stock
1
$23.40
10
$18.71
25
$17.54
100
$16.25
250
View
936
$14.31
250
$15.74
500
$14.62
936
$14.31
Buy
Min.: 1 Mult.: 1
Reel :936
Details
Parallel
YY-MM-DD-dd
HH:MM:SS (24 hr)
64 kB
SOX-28
Backup Switching
4.5 V
5.5 V
0 C
+ 70 C
M48T58Y
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48
MCP79411-I/SN
Microchip Technology
1:
$1.13
12,592 In Stock
Mouser Part # 579-MCP79411ISN
Microchip Technology
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48
12,592 In Stock
Alternative Packaging
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
SMD/SMT
Tube
Real Time Clock 3WIRE REAL TIME CLCK
S-35192A-I8T1U
ABLIC
1:
$1.83
4,806 In Stock
Mouser Part # 628-S-35192A-I8T1U
ABLIC
Real Time Clock 3WIRE REAL TIME CLCK
4,806 In Stock
1
$1.83
10
$1.34
25
$1.22
100
$1.08
250
View
5,000
$0.898
250
$1.02
500
$0.984
1,000
$0.979
2,500
$0.918
5,000
$0.898
Buy
Min.: 1 Mult.: 1
Reel :5,000
Details
SNT-A-8
S-35192
Reel, Cut Tape
Real Time Clock 64k NV SRAM with Phantom Clock
DS1243Y-120+
Analog Devices / Maxim Integrated
1:
$55.15
1,002 In Stock
756 Expected 9/3/2026
Mouser Part # 700-DS1243Y-120
Analog Devices / Maxim Integrated
Real Time Clock 64k NV SRAM with Phantom Clock
1,002 In Stock
756 Expected 9/3/2026
1
$55.15
12
$44.96
24
$42.33
108
$41.74
252
$39.29
Buy
Min.: 1 Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
8 kB
EDIP-28
Integrated Battery
4.5 V
5.5 V
0 C
+ 70 C
DS1243Y
Through Hole
Tube
