Real Time Clock Serial Alarm Real-Time Clock
+5 images
DS1305EN+T&R
Analog Devices / Maxim Integrated
1:
NT$348.10
5,611 In Stock
Mouser Part #
700-DS1305ENT&R
Analog Devices / Maxim Integrated
Real Time Clock Serial Alarm Real-Time Clock
5,611 In Stock
Alternative Packaging
1
NT$348.10
10
NT$271.03
25
NT$251.67
100
NT$230.52
250
View
2,500
NT$198.61
250
NT$218.69
500
NT$214.02
1,000
NT$209.01
2,500
NT$198.61
Buy
Min.: 1
Mult.: 1
Reel :
2,500
Details
Serial 3-Wire, SPI
YY-MM-DD
HH:MM:SS (24 hr)
96 B
TSSOP-20
Backup Switching
2 V
5.5 V
- 40 C
+ 85 C
DS1305EN
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 64 x 8, Serial, I C Real-Time Clock
+2 images
DS1307Z+T&R
Analog Devices / Maxim Integrated
1:
NT$190.36
11,274 In Stock
Mouser Part #
700-DS1307ZT&R
Analog Devices / Maxim Integrated
Real Time Clock 64 x 8, Serial, I C Real-Time Clock
11,274 In Stock
Alternative Packaging
1
NT$190.36
10
NT$145.19
25
NT$133.72
100
NT$121.17
250
View
2,500
NT$108.98
250
NT$115.44
500
NT$111.85
1,000
NT$110.42
2,500
NT$108.98
Buy
Min.: 1
Mult.: 1
Max.: 2,500
Reel :
2,500
Details
I2C
YY-MM-DD
HH:MM:SS:hh (12 hr, 24 hr)
56 B
SOIC-8
Backup Switching
4.5 V
5.5 V
0 C
+ 70 C
DS1307Z
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I C RTC with 56-Byte NV RAM
+2 images
DS1338U-33+T&R
Analog Devices / Maxim Integrated
1:
NT$220.48
3,867 In Stock
Mouser Part #
700-DS1338U-33T&R
Analog Devices / Maxim Integrated
Real Time Clock I C RTC with 56-Byte NV RAM
3,867 In Stock
Alternative Packaging
1
NT$220.48
10
NT$168.85
25
NT$156.31
100
NT$141.97
250
View
3,000
NT$125.83
250
NT$135.15
500
NT$132.65
1,000
NT$131.93
3,000
NT$125.83
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
uSOP-8
Backup Switching
3 V
5.5 V
- 40 C
+ 85 C
DS1338U
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I C RTC with Trickle Charger
DS1340U-33+T&R
Analog Devices / Maxim Integrated
1:
NT$220.12
6,093 In Stock
Mouser Part #
700-DS1340U-33T&R
Analog Devices / Maxim Integrated
Real Time Clock I C RTC with Trickle Charger
6,093 In Stock
Alternative Packaging
1
NT$220.12
10
NT$168.85
25
NT$155.59
100
NT$141.61
250
View
3,000
NT$125.83
250
NT$134.80
500
NT$131.93
1,000
NT$130.49
3,000
NT$125.83
Buy
Min.: 1
Mult.: 1
Reel :
3,000
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
uSOP-8
Backup Switching
2.97 V
5.5 V
- 40 C
+ 85 C
DS1340U
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle
DS1391U-33+T&R
Analog Devices / Maxim Integrated
1:
NT$220.48
5,106 In Stock
Mouser Part #
700-DS1391U-33T&R
Analog Devices / Maxim Integrated
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle
5,106 In Stock
Alternative Packaging
1
NT$220.48
10
NT$168.85
25
NT$156.31
100
NT$141.97
250
View
3,000
NT$125.83
250
NT$135.15
500
NT$132.65
1,000
NT$131.93
3,000
NT$125.83
6,000
Quote
Buy
Min.: 1
Mult.: 1
Reel :
3,000
Details
SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
uSOP-10
Backup Switching
2.97 V
5.5 V
- 40 C
+ 85 C
DS1391U
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle
+1 image
DS1394U-33+T&R
Analog Devices / Maxim Integrated
1:
NT$220.48
5,340 In Stock
Mouser Part #
700-DS1394U-33T&R
Analog Devices / Maxim Integrated
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle
5,340 In Stock
Alternative Packaging
1
NT$220.48
10
NT$168.85
25
NT$156.31
100
NT$141.97
250
View
3,000
NT$125.83
250
NT$135.15
500
NT$132.65
1,000
NT$131.93
3,000
NT$125.83
Buy
Min.: 1
Mult.: 1
Reel :
3,000
Details
Serial 3-Wire, SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
uSOP-10
Backup Switching
2.97 V
5.5 V
- 40 C
+ 85 C
DS1394U
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Total-Elapsed-Time Recorder with Alarm
+2 images
DS1682S+T&R
Analog Devices / Maxim Integrated
1:
NT$320.86
6,610 In Stock
12,500 Expected 10/19/2026
Mouser Part #
700-DS1682ST&R
Analog Devices / Maxim Integrated
Real Time Clock Total-Elapsed-Time Recorder with Alarm
6,610 In Stock
12,500 Expected 10/19/2026
Alternative Packaging
1
NT$320.86
10
NT$248.80
25
NT$230.52
100
NT$210.80
250
View
2,500
NT$184.27
250
NT$201.48
500
NT$197.53
1,000
NT$194.31
2,500
NT$184.27
Buy
Min.: 1
Mult.: 1
Max.: 2,500
Reel :
2,500
Details
Serial 2-Wire
Binary
Binary
10 B
SOIC-8
No Backup Switching
2.5 V
5.5 V
- 40 C
+ 85 C
DS1682
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 1-Wire Time Chip With Interrupt
+1 image
DS2417P+T&R
Analog Devices / Maxim Integrated
1:
NT$169.21
6,878 In Stock
Mouser Part #
700-DS2417PT&R
Analog Devices / Maxim Integrated
Real Time Clock 1-Wire Time Chip With Interrupt
6,878 In Stock
Alternative Packaging
1
NT$169.21
10
NT$128.34
25
NT$117.95
100
NT$106.83
250
View
4,000
NT$91.78
250
NT$101.10
500
NT$100.02
1,000
NT$96.80
2,000
NT$95.36
4,000
NT$91.78
Buy
Min.: 1
Mult.: 1
Reel :
4,000
Details
Serial 1-Wire
Binary
Binary
4 B
Backup Switching
2.5 V
5.5 V
- 40 C
+ 85 C
DS2417P
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Extremely Accurate I C-Integrated RTC/TC
+4 images
DS3231SN#T&R
Analog Devices / Maxim Integrated
1:
NT$548.15
942 In Stock
4,000 Expected 10/12/2026
Mouser Part #
700-DS3231SN#T&R-
Analog Devices / Maxim Integrated
Real Time Clock Extremely Accurate I C-Integrated RTC/TC
942 In Stock
4,000 Expected 10/12/2026
Alternative Packaging
1
NT$548.15
10
NT$432.35
25
NT$402.24
100
NT$369.97
250
View
1,000
NT$338.42
250
NT$366.03
500
NT$351.33
1,000
NT$338.42
Buy
Min.: 1
Mult.: 1
Max.: 1,000
Reel :
1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
SO-16
Backup Switching
2.3 V
5.5 V
- 40 C
+ 85 C
DS3231SN
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 5ppm, I C Real-Time Clock with SRAM
DS3232MZ+TRL
Analog Devices / Maxim Integrated
1:
NT$458.88
4,829 In Stock
Mouser Part #
700-DS3232MZ+TRL
Analog Devices / Maxim Integrated
Real Time Clock 5ppm, I C Real-Time Clock with SRAM
4,829 In Stock
Alternative Packaging
1
NT$458.88
10
NT$359.93
25
NT$335.20
100
NT$307.95
250
View
2,500
NT$269.23
250
NT$302.93
500
NT$292.89
1,000
NT$289.31
2,500
NT$269.23
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)
236 B
SO-8
Backup Switching
2.3 V
4.5 V
- 40 C
+ 85 C
DS3232MZ
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Extremely Accurate I C RTC with Integrat
DS3232SN#T&R
Analog Devices / Maxim Integrated
1:
NT$531.66
9,171 In Stock
Mouser Part #
700-DS3232SN#T&R-
Analog Devices / Maxim Integrated
Real Time Clock Extremely Accurate I C RTC with Integrat
9,171 In Stock
Alternative Packaging
1
NT$531.66
10
NT$418.01
25
NT$388.97
100
NT$357.42
250
View
1,000
NT$325.52
250
NT$353.84
500
NT$333.05
1,000
NT$325.52
Buy
Min.: 1
Mult.: 1
Max.: 1,000
Reel :
1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
236 B
SO-20
Backup Switching
2.3 V
5.5 V
- 40 C
+ 85 C
DS3232SN
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in SO8 package.
+2 images
PCF85263AT/AJ
NXP Semiconductors
1:
NT$48.76
165,170 In Stock
Mouser Part #
771-PCF85263AT/AJ
NXP Semiconductors
Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in SO8 package.
165,170 In Stock
1
NT$48.76
10
NT$36.21
25
NT$32.09
100
NT$28.43
2,500
NT$24.09
5,000
View
250
NT$26.67
500
NT$25.60
1,000
NT$24.81
5,000
NT$23.52
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)
SO-8
Backup Switching
900 mV
5.5 V
- 40 C
+ 85 C
PCF85263A
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in HXSON10 package.
PCF85263ATL/AX
NXP Semiconductors
1:
NT$47.32
50,952 In Stock
Mouser Part #
771-PCF85263ATL/AX
NXP Semiconductors
Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in HXSON10 package.
50,952 In Stock
1
NT$47.32
10
NT$34.24
25
NT$30.97
100
NT$27.39
250
View
4,000
NT$22.30
250
NT$25.67
500
NT$24.63
1,000
NT$23.52
2,000
NT$22.87
4,000
NT$22.30
Buy
Min.: 1
Mult.: 1
Reel :
4,000
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
DFN2626-10
Backup Switching
900 mV
5.5 V
- 40 C
+ 85 C
PCF85263A
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:
NT$121.17
1,535 In Stock
Mouser Part #
428-203634-MG01
Micro Crystal
Real Time Clock 32.768kHz I2C Time Acc. 25ppm
1,535 In Stock
1
NT$121.17
10
NT$91.06
25
NT$83.53
100
NT$75.29
1,000
NT$68.47
2,000
View
250
NT$71.34
500
NT$69.91
2,000
NT$67.04
5,000
NT$66.32
Buy
Min.: 1
Mult.: 1
Reel :
1,000
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:
NT$141.97
2,935 In Stock
Mouser Part #
428-203639-MG01
Micro Crystal
Real Time Clock 32.768kHz I2C Time Acc. 25ppm AEC
2,935 In Stock
1
NT$141.97
10
NT$107.19
25
NT$98.59
100
NT$88.91
1,000
NT$81.74
2,000
View
250
NT$84.25
500
NT$83.17
2,000
NT$79.95
Buy
Min.: 1
Mult.: 1
Reel :
1,000
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. 25ppm AEC
RV-3149-C3 32.768kHz OPTION B TB QA
Micro Crystal
1:
NT$137.31
1,482 In Stock
Mouser Part #
428-203684-MG01
Micro Crystal
Real Time Clock 32.768kHz SPI Time Acc. 25ppm AEC
1,482 In Stock
1
NT$137.31
10
NT$103.61
25
NT$95.00
100
NT$85.68
1,000
NT$78.87
2,000
View
250
NT$81.38
500
NT$80.30
2,000
NT$77.08
Buy
Min.: 1
Mult.: 1
Reel :
1,000
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 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:
NT$116.51
6,881 In Stock
27,000 On Order
Mouser Part #
428-203803-MG01
Micro Crystal
Real Time Clock 32.768kHz I2C 2.5ppm 3.2x1.5x0.8mm Temperature Sensor & Real Time Clock
6,881 In Stock
27,000 On Order
1
NT$116.51
10
NT$86.76
25
NT$79.23
100
NT$71.34
1,000
NT$62.38
2,000
View
250
NT$67.40
500
NT$65.61
2,000
NT$61.30
5,000
NT$60.23
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 Real Time Clock, automotive grade AEC-Q200
RV-3029-C3-TB-QA-Opt. B
Micro Crystal
1:
NT$163.48
878 In Stock
Mouser Part #
428-RV3029C3TBQAOPTB
Micro Crystal
Real Time Clock Real Time Clock, automotive grade AEC-Q200
878 In Stock
1
NT$163.48
10
NT$123.32
25
NT$113.29
100
NT$102.17
250
NT$101.10
1,000
NT$85.32
Buy
Min.: 1
Mult.: 1
Reel :
1,000
Details
Serial 2-Wire, I2C
YY-MM-DD
HH:MM:SS:hh (12 hr, 24 hr)
SON-10
Backup Switching
1.3 V
5.5 V
- 40 C
+ 125 C
RV-3029-C3
SMD/SMT
AEC-Q200
Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM ID
MCP79400T-I/MS
Microchip Technology
1:
NT$36.93
4,388 In Stock
Mouser Part #
579-MCP79400TIMS
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM ID
4,388 In Stock
Alternative Packaging
1
NT$36.93
250
NT$33.63
500
NT$33.52
1,000
NT$31.19
2,500
NT$31.19
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)
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/MNY
Microchip Technology
1:
NT$27.60
4,324 In Stock
Mouser Part #
579-MCP7940MT-I/MNY
Microchip Technology
Real Time Clock I2C RTCC 64B SRAM No VBAT
4,324 In Stock
1
NT$27.60
3,300
NT$27.60
Buy
Min.: 1
Mult.: 1
Reel :
3,300
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
TDFN-8
No Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I2C RTCC 64B SRAM No VBAT
MCP7940MT-I/SN
Microchip Technology
1:
NT$25.45
5,384 In Stock
Mouser Part #
579-MCP7940MT-I/SN
Microchip Technology
Real Time Clock I2C RTCC 64B SRAM No VBAT
5,384 In Stock
Alternative Packaging
1
NT$25.45
10
NT$25.06
25
NT$25.02
100
NT$24.95
3,300
NT$22.44
9,900
View
250
NT$24.88
500
NT$23.34
1,000
NT$23.23
9,900
NT$21.15
Buy
Min.: 1
Mult.: 1
Reel :
3,300
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
MCP7940NT-E/MS
Microchip Technology
1:
NT$35.49
3,038 In Stock
Mouser Part #
579-MCP7940NT-E/MS
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM, EXT
3,038 In Stock
Alternative Packaging
1
NT$35.49
10
NT$35.42
250
NT$35.17
500
NT$34.77
1,000
NT$30.47
2,500
NT$30.47
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)
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 EXT
MCP7940NT-E/SN
Microchip Technology
1:
NT$34.06
3,132 In Stock
Mouser Part #
579-MCP7940NT-E/SN
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM EXT
3,132 In Stock
Alternative Packaging
1
NT$34.06
10
NT$33.95
25
NT$33.88
100
NT$33.77
250
View
3,300
NT$29.11
250
NT$33.52
500
NT$33.45
1,000
NT$33.34
3,300
NT$29.11
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
+ 125 C
MCP7940N
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM
MCP7940NT-I/MS
Microchip Technology
1:
NT$32.27
5,884 In Stock
Mouser Part #
579-MCP7940NT-I/MS
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM
5,884 In Stock
Alternative Packaging
1
NT$32.27
2,500
NT$32.27
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)
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
+1 image
MCP7940NT-I/ST
Microchip Technology
1:
NT$33.70
2,654 In Stock
Mouser Part #
579-MCP7940NT-I/ST
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM
2,654 In Stock
Alternative Packaging
1
NT$33.70
10
NT$33.56
1,000
NT$28.68
2,500
NT$28.68
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)
64 B
TSSOP-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape, MouseReel