Real Time Clock I2C RTCC 64B SRAM No VBAT
MCP7940M-I/ST
Microchip Technology
1:
S/2.76
1,302 In Stock
Mouser Part # 579-MCP7940M-I/ST
Microchip Technology
Real Time Clock I2C RTCC 64B SRAM No VBAT
1,302 In Stock
Alternative Packaging
1
S/2.76
25
S/2.57
100
S/2.41
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
TSSOP-8
No Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock Serial RTC A 595-BQ3 2000DR A 595-BQ3200 A 595-BQ32000DR
BQ32000D
Texas Instruments
1:
S/9.85
750 In Stock
Mouser Part # 595-BQ32000D
Texas Instruments
Real Time Clock Serial RTC A 595-BQ3 2000DR A 595-BQ3200 A 595-BQ32000DR
750 In Stock
Alternative Packaging
1
S/9.85
10
S/7.59
25
S/5.92
75
S/5.22
Buy
Min.: 1 Mult.: 1
Details
Serial
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
SOIC-8
Backup Switching
3 V
3.6 V
- 40 C
+ 85 C
BQ32000
SMD/SMT
Tube
Real Time Clock 2-Wire Real Time Clock IC
R2051L02-E2
Nisshinbo
1:
S/6.27
3,620 In Stock
Mouser Part # 848-R2051L02-E2
Nisshinbo
Real Time Clock 2-Wire Real Time Clock IC
3,620 In Stock
1
S/6.27
10
S/4.59
25
S/4.16
100
S/3.67
3,000
S/2.89
6,000
View
250
S/3.45
500
S/3.32
1,000
S/3.01
6,000
S/2.87
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 32.768kHz SPI Time Acc. 6ppm
RV-3149-C3 32.768kHz OPTION A TA QC
Micro Crystal
1:
S/16.82
439 In Stock
Mouser Part # 428-203658-MG01
Micro Crystal
Real Time Clock 32.768kHz SPI Time Acc. 6ppm
439 In Stock
1
S/16.82
10
S/12.65
25
S/11.64
100
S/10.47
1,000
S/9.26
2,000
View
250
S/9.96
500
S/9.89
2,000
S/9.07
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
+ 85 C
RV-3149
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RV-8803-C7, Real-Time Clock, I C-bus, 3ppm @ -40 to +85C (SMD 3.2 x 1.5 x 0.8)
RV-8803-C7-TA-QC
Micro Crystal
1:
S/12.77
923 In Stock
2,000 Expected 9/11/2026
Mouser Part # 428-RV-8803-C7-TA-QC
Micro Crystal
Real Time Clock RV-8803-C7, Real-Time Clock, I C-bus, 3ppm @ -40 to +85C (SMD 3.2 x 1.5 x 0.8)
923 In Stock
2,000 Expected 9/11/2026
1
S/12.77
10
S/9.50
25
S/8.68
100
S/7.79
250
S/7.59
1,000
S/6.42
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
RV-8803-C7
SMD/SMT
Reel, Cut Tape
Real Time Clock Real-time Clock IC
+2 images
PT7C4337AWEX
Diodes Incorporated
1:
S/4.75
59 In Stock
Mouser Part # 729-PT7C4337AWEX
Diodes Incorporated
Real Time Clock Real-time Clock IC
59 In Stock
Alternative Packaging
1
S/4.75
10
S/3.43
25
S/3.10
100
S/2.74
250
View
2,500
S/2.25
250
S/2.57
500
S/2.46
1,000
S/2.35
2,500
S/2.25
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)
No Backup Switching
1.2 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 3V/5V Real-Time Clocks
+1 image
DS17285SN-5+
Analog Devices / Maxim Integrated
1:
S/76.49
42 In Stock
Mouser Part # 700-DS17285SN-5
Analog Devices / Maxim Integrated
Real Time Clock 3V/5V Real-Time Clocks
42 In Stock
1
S/76.49
10
S/60.88
30
S/56.32
120
S/51.03
270
View
270
S/48.97
510
S/47.99
5,010
Quote
Buy
Min.: 1 Mult.: 1
Details
Multiplexed
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
2 kB
SO-24
Backup Switching
4.5 V
5.5 V
- 40 C
+ 85 C
DS17285SN
SMD/SMT
Tube
Real Time Clock .9RTC BASE
+1 image
1338-31DVGI8
Renesas Electronics
1:
S/12.57
85 In Stock
5,000 Expected 12/13/2027
Mouser Part # 972-1338-31DVGI8
Renesas Electronics
Real Time Clock .9RTC BASE
85 In Stock
5,000 Expected 12/13/2027
Alternative Packaging
1
S/12.57
10
S/9.38
25
S/8.56
100
S/7.71
250
View
2,500
S/6.70
250
S/7.28
500
S/7.12
1,000
S/6.73
2,500
S/6.70
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
MSOP-8
Backup Switching
1.3 V
3.7 V
- 40 C
+ 85 C
1338
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Real-Time Event Recorder
+1 image
DS1678+
Analog Devices / Maxim Integrated
1:
S/51.23
48 In Stock
Mouser Part # 700-DS1678
Analog Devices / Maxim Integrated
Real Time Clock Real-Time Event Recorder
48 In Stock
1
S/51.23
10
S/40.29
50
S/34.22
100
S/32.39
250
View
250
S/31.96
500
S/31.02
1,000
S/30.71
2,500
Quote
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
32 B
PDIP-8
Backup Switching
4.5 V
5.5 V
- 40 C
+ 85 C
DS1678
Through Hole
Tube
Real Time Clock I C 32-Bit Binary Counter RTC
DS1672S-2+
Analog Devices / Maxim Integrated
1:
S/22.11
99 In Stock
Mouser Part # 700-DS1672S-2
Analog Devices / Maxim Integrated
Real Time Clock I C 32-Bit Binary Counter RTC
99 In Stock
1
S/22.11
10
S/16.85
25
S/15.53
100
S/13.43
300
View
300
S/13.39
500
S/13.16
1,000
S/13.08
2,500
S/13.00
5,000
Quote
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
Binary
Binary
SOIC-8
Backup Switching
1.8 V
2.2 V
- 40 C
+ 85 C
DS1672S
SMD/SMT
Tube
Real Time Clock 1.8V-5.5V Real Time Clock 12C bus
PT7C4337ZEEX
Diodes Incorporated
1:
S/4.75
149 In Stock
Mouser Part # 729-PT7C4337ZEEX
Diodes Incorporated
Real Time Clock 1.8V-5.5V Real Time Clock 12C bus
149 In Stock
1
S/4.75
10
S/3.41
25
S/3.07
100
S/2.70
250
View
3,000
S/2.29
250
S/2.53
500
S/2.42
1,000
S/2.34
3,000
S/2.29
Buy
Min.: 1 Mult.: 1
Reel :3,000
Details
Reel, Cut Tape, MouseReel
Real Time Clock Serial SPI bus RTC
+1 image
M41T93SQA6F
STMicroelectronics
1:
S/31.53
176 In Stock
Mouser Part # 511-M41T93SQA6F
STMicroelectronics
Real Time Clock Serial SPI bus RTC
176 In Stock
1
S/31.53
10
S/24.29
25
S/22.50
100
S/20.51
250
S/19.00
1,000
S/16.27
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
32 B
QFN-16
Backup Switching
3 V
5.5 V
- 40 C
+ 85 C
M41T93
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Low Power Consumption IC RTC 3.2 x 2.5 x 1.0 mm (lwh)
ECS-RTC-3225-5609-TR
ECS
1:
S/19.73
11,712 In Stock
Mouser Part # 520-ECSRTC32255609TR
ECS
Real Time Clock Low Power Consumption IC RTC 3.2 x 2.5 x 1.0 mm (lwh)
11,712 In Stock
1
S/19.73
10
S/15.03
25
S/13.86
100
S/12.57
1,000
S/10.78
2,000
View
250
S/11.95
500
S/11.17
2,000
S/10.63
5,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD
HH:MM:SS (24 hr)
Backup Switching
2.5 V
5 V
- 20 C
+ 80 C
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I C RTC with Trickle Charger
+2 images
DS1340U-3+
Analog Devices / Maxim Integrated
1:
S/26.86
204 In Stock
Mouser Part # 700-DS1340U-3
Analog Devices / Maxim Integrated
Real Time Clock I C RTC with Trickle Charger
204 In Stock
Alternative Packaging
1
S/26.86
10
S/20.59
50
S/18.80
100
S/17.28
250
View
250
S/16.47
500
S/15.96
1,000
S/15.76
2,500
S/15.57
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
uSOP-8
Backup Switching
2.7 V
3.3 V
- 40 C
+ 85 C
DS1340U
SMD/SMT
Tube
Real Time Clock I C RTC with Trickle Charger
DS1340U-3+T&R
Analog Devices / Maxim Integrated
1:
S/23.86
1,526 In Stock
Mouser Part # 700-DS1340U-3T&R
Analog Devices / Maxim Integrated
Real Time Clock I C RTC with Trickle Charger
1,526 In Stock
Alternative Packaging
1
S/23.86
10
S/18.29
25
S/16.93
100
S/15.38
250
View
3,000
S/13.86
250
S/14.67
500
S/14.21
1,000
S/14.05
3,000
S/13.86
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
2.7 V
3.3 V
- 40 C
+ 85 C
DS1340U
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 3V/5V Real-Time Clocks
DS17287-3+
Analog Devices / Maxim Integrated
1:
S/121.45
54 In Stock
Mouser Part # 700-DS17287-3
Analog Devices / Maxim Integrated
Real Time Clock 3V/5V Real-Time Clocks
54 In Stock
1
S/121.45
10
S/95.83
28
S/91.82
112
S/85.48
252
View
252
S/82.25
504
S/80.30
2,506
Quote
Buy
Min.: 1 Mult.: 1
Details
Multiplexed
YY-MM-DD-dd
HH:MM:SS (24 hr)
2 kB
EDIP-24
Backup Switching
2.7 V
3.7 V
0 C
+ 70 C
DS17287
Through Hole
Tube
Real Time Clock 3V/5V Real-Time Clock
DS1685EN-3+
Analog Devices / Maxim Integrated
1:
S/56.36
89 In Stock
Mouser Part # 700-DS1685EN-3
Analog Devices / Maxim Integrated
Real Time Clock 3V/5V Real-Time Clock
89 In Stock
Alternative Packaging
1
S/56.36
10
S/44.49
25
S/39.59
100
S/38.15
248
View
248
S/36.67
558
S/35.58
1,054
S/34.76
2,542
Quote
Buy
Min.: 1 Mult.: 1
Details
Multiplexed
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
242 B
TSSOP-24
Backup Switching
2.7 V
3.7 V
- 40 C
+ 85 C
DS1685EN
SMD/SMT
Tube
Real Time Clock 3V/5V Real-Time Clock
DS1687-3+
Analog Devices / Maxim Integrated
1:
S/108.17
78 In Stock
Mouser Part # 700-DS1687-3
Analog Devices / Maxim Integrated
Real Time Clock 3V/5V Real-Time Clock
78 In Stock
1
S/108.17
10
S/84.97
28
S/81.16
112
S/75.20
252
View
252
S/72.36
504
S/70.65
2,506
Quote
Buy
Min.: 1 Mult.: 1
Details
Multiplexed
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
242 B
EDIP-24
Integrated Battery
2.7 V
3.7 V
0 C
+ 70 C
DS1687
Through Hole
Tube
Real Time Clock I C Serial Real-Time Clock
DS1339U-3+T&R
Analog Devices / Maxim Integrated
1:
S/24.52
2,433 In Stock
Mouser Part # 700-DS1339U-3T&R
Analog Devices / Maxim Integrated
Real Time Clock I C Serial Real-Time Clock
2,433 In Stock
Alternative Packaging
1
S/24.52
10
S/18.80
25
S/17.36
100
S/15.80
250
View
3,000
S/14.29
250
S/15.06
500
S/14.60
1,000
S/14.44
3,000
S/14.29
6,000
Quote
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)
uSOP-8
Backup Switching
2.7 V
3.3 V
- 40 C
+ 85 C
DS1339U
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
DS1746WP-120IND+
Analog Devices / Maxim Integrated
1:
S/280.07
20 In Stock
Mouser Part # 700-DS1746WP-120IND
Analog Devices / Maxim Integrated
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
20 In Stock
1
S/280.07
10
S/231.33
25
S/217.20
120
S/207.63
280
View
280
Quote
Buy
Min.: 1 Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS (24 hr)
128 kB
PowerCap Module-34
Backup Switching
2.97 V
3.63 V
- 40 C
+ 85 C
DS1746WP
SMD/SMT
Tray
Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS
ISL12058IRTZ
Renesas / Intersil
1:
S/11.05
953 In Stock
Mouser Part # 968-ISL12058IRTZ
Renesas / Intersil
Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS
953 In Stock
Alternative Packaging
1
S/11.05
10
S/8.25
25
S/7.55
100
S/6.73
300
View
300
S/6.34
500
S/6.19
1,000
S/5.96
2,500
S/5.76
5,000
S/5.61
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
TDFN-8
No Backup Switching
1.8 V
3.6 V
- 40 C
+ 85 C
ISL12058
SMD/SMT
Tube
Real Time Clock I C RTC with Trickle Charger
+2 images
DS1340U-18+
Analog Devices / Maxim Integrated
1:
S/26.86
259 In Stock
Mouser Part # 700-DS1340U-18
Analog Devices / Maxim Integrated
Real Time Clock I C RTC with Trickle Charger
259 In Stock
1
S/26.86
10
S/20.59
50
S/18.80
100
S/17.28
250
View
250
S/16.47
500
S/15.96
1,000
S/15.76
2,500
S/15.57
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
uSOP-8
Backup Switching
1.71 V
1.89 V
- 40 C
+ 85 C
DS1340U
SMD/SMT
Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
DS1746W-120IND+
Analog Devices / Maxim Integrated
1:
S/270.10
23 In Stock
Mouser Part # 700-DS1746W-120IND
Analog Devices / Maxim Integrated
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
23 In Stock
1
S/270.10
11
S/223.12
22
S/211.32
110
S/201.09
253
View
253
Quote
Buy
Min.: 1 Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS (24 hr)
128 kB
EDIP-32
Integrated Battery
2.97 V
3.63 V
- 40 C
+ 85 C
DS1746W
Through Hole
Tube
Real Time Clock Real-time Clock Mod I2C Bus
+2 images
PT7C4337WEX
Diodes Incorporated
1:
S/4.01
3,005 In Stock
Mouser Part # 729-PT7C4337WEX
Diodes Incorporated
Real Time Clock Real-time Clock Mod I2C Bus
3,005 In Stock
Alternative Packaging
1
S/4.01
10
S/2.88
25
S/2.59
100
S/2.28
2,500
S/1.88
5,000
View
250
S/2.13
500
S/2.04
1,000
S/1.97
5,000
S/1.87
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)
No Backup Switching
1.2 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Low-Current SPI/3-Wire RTCs
+2 images
DS1343D-33+
Analog Devices / Maxim Integrated
1:
S/32.00
152 In Stock
Mouser Part # 700-DS1343D-33+
Analog Devices / Maxim Integrated
Real Time Clock Low-Current SPI/3-Wire RTCs
152 In Stock
Alternative Packaging
1
S/32.00
10
S/24.68
25
S/22.85
100
S/19.00
2,500
View
2,500
Quote
Buy
Min.: 1 Mult.: 1
Details
Serial 3-Wire, SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
96 B
TDFN-EP-14
Backup Switching
3 V
5.5 V
- 40 C
+ 85 C
DS1343D
SMD/SMT
Tube
